14: At 0600 your loran reads: 9960-W-14546.3 9960-X-25909.5 9960-Y-43945.0 What is your 0600 position?

15: The Clinch River empties into which river? 50: Alterations or repairs on inspected small passenger vessels must be done _________. 170: You observe the lower limb of the Sun at a sextant altitude (hs) of 54ø28.2' on 22 July 1981. The index error is 1.5' off the arc. The height of eye is 56 feet (17.1 meters). What is the observed altitude (Ho)? 171: At 2015, your vessel is at the Chesapeake Bay Bridge and Tunnel midway between buoys "13" and "14". If the height of tide is -1 foot (-0.3 meters), what is the approximate depth of water? 172: If you steer 143ø pgc from your 2015 position at an engine speed of 8.0 knots, at what time would you reach a point midway between buoys "11" and "12" (ignore set and drift)? 173: At 2015, you alter course to 154ø pgc. What is the course per standard magnetic compass (psc)? 174: Which of the following concerning Thimble Shoal Channel is TRUE? 175: At 2118, you obtain the following bearings: Cape Henry Light - 148ø pgc Cape Charles Light - 033ø pgc Thimble Shoal Light - 291ø pgc From this position, you proceed to Norfolk, VA, a distance of approximately 26.0 miles. To arrive at Norfolk by 0200 the next day, what is the speed to make good from your 2118 position to arrive at this time? 176: What is your 2118 position? 177: From your 2118 position, you steer a course of 288øT at an engine speed of 7.0 knots. Visibility is suddenly reduced to 2 miles. At what time can you expect to see Old Point Comfort Light? 178: If the Old Point Comfort main light was inoperative what emergency light would be shown? 179: In order to check your compasses, you sight North Dumpling Island Light in line with Latimer Reef Light bearing 077ø pgc. The helmsman was steering 307ø pgc and 320ø per standard magnetic compass at the time. Which statement is TRUE? 180: On 4 July 1981 you observe the lower limb of the Sun at a sextant altitude (hs) of 25ø29.8'. The index error is 3.1' off the arc. The height of eye is 48 feet (14.6 meters). What is the observed altitude (Ho)? 181: You are on course 192ø pgc at 12 knots. You obtain a loran fix at 1900 using the following information: 9960-X-27120 9960-Y-41623 9960-Z-58729 What is your latitude and longitude at 1900? 182: What course should you steer using the standard magnetic compass (psc) to make good the course of 192ø pgc? 183: At 1920, the buoy off your starboard bow is _____________. 184: At 1930, your position is LAT 37ø16.7' N, LONG 75ø37.7' W. The depth of water is approximately _____________. 185: At 1950, your position is LAT 37ø12.3' N, LONG 75ø38.6' W. The set and drift from 1930 to 1950 were ____________. 186: Assume set and drift have no effect on your vessel. If you change course to 187ø pgc from your 1950 position, how close will you pass Cape Charles Lighted Bell Buoy "14"? 187: At 2020, you obtain a fix using the following information: 9960-X-27112 9960-Y-41432 Cape Charles Lighted Bell Buoy "14" bears 333ø pgc. Your longitude is _____________. 188: At 2020, what is the course to steer to enter the inbound lane of North Chesapeake Entrance traffic seperation scheme if a northwestly wind causes 3ø of leeway? 189: At 0645, Watch Hill Point (left tangent) bears 316.5ø pgc at 2.75 miles. What was the speed made good between 0600 and 0645? 190: On 2 January 1981 you observe the lower limb of the Sun at a sextant altitude (hs) of 35ø50.4'. The index error is 0.8' on the arc. The height of eye is 24 feet (7.3 meters). What is the observed altitude (Ho)? 191: If you make good 12 knots, what is the ETA at North Chesapeake Channel Entrance Buoy "NCA" (LL #375)? 192: At 2100, Cape Charles Light bears 321ø pgc, and Cape Henry Light bears 247ø pgc. Your latitude is _________. 193: If the visibility is 3 miles, at what range will you lose sight of Chesapeake Light? 194: At 2100, you alter course to 250ø T and reduce speed to 7 knots. You enter the traffic separation scheme on the inbound side. At 2200, your fix shows you crossing a broken purple line on the chart, and you observe North Chesapeake Entrance Lighted Gong Buoy "NCD" to port. This area is _____________. 196: What course per standard magnetic compass is (psc) the same as 247ø pgc? 197: At 2215, Cape Henry Light bears 242ø pgc, Cape Charles Light bears 010.5ø pgc, and Chesapeake Channel Tunnel North Light bears 319ø pgc. You are heading 271ø pgc. What is the relative bearing of Thimble Shoal Light? 198: While navigating inbound Thimble Shoal Channel system you must ____________. 199: You are underway in the vicinity of Block Island and obtain the following lines of position: Montauk Point Light 263ø pgc Block Island Southeast Light 026ø pgc Radar Bearing to Block Island Southwest Point 348ø pgc What is your position at the time of these sightings? 200: You observe the upper limb of the Sun at a sextant altitude (hs) of 4ø15.8' on 16 December 1981. The index error is 2.6ø on the arc. The height of eye is 58 feet. The temperature is 5ø F, and the barometer reads 1027.8 millibars. What is the observed altitude (Ho)? 201: What course should you steer by your standard magnetic compass to make good a course of 280ø T? 202: Which of the following statements, concerning the radiobeacon at Montauk Point Light, is TRUE? 203: At 1800, your position is LAT 41ø06.5' N, LONG 71ø43.5' W. How would the buoy which bears 030ø T from your position at a range of approximately 0.5 mile be painted? 204: From your 1800 position you steer a course of 350ø psc at a speed of 10.0 knots. At 1830, your position is LAT 41ø11.7' N, LONG 71ø45.8' W. What are the set and drift of the current? 205: From your 1830 fix, you come left to a course of 290ø T. Which of the following statements concerning Watch Hill Light is FALSE? 206: At 1850, you obtain the following bearings and distances: Montauk Point 189ø pgc 8.7 miles Watch Hill Light 340ø pgc 5.7 miles What true course did you make good between 1830 and 1850? 207: If your height of eye is 35 feet (10.7 meters), what is the approximate geographic range of Block Island North Light? 208: From your 1850 fix, you come left to a course of 280ø T, while maintaining a speed of 10 knots. Which of the following combinations of available Loran-C lines would be best for position determination? 209: At 0705, you take the following bearings: Watch Hill Light 034.5ø pgc Latimer Reef Light 338.0ø pgc Race Rock Light 268.0ø pgc What was the true course made good between 0645 and 0705? 210: During evening twilight on 28 December 1981, the sextant altitude (hs) of the planet Venus was 29ø43.2'. The height of eye was 40 feet, and the index error was 2.0' on the arc. What was the observed altitude (Ho)? 211: You decide to use the 9960-Y and 9960-W rates. At 1915, you obtain the following readings: 9960-Y-43936.0 9960-W-14653.3 What is your 1915 position? 212: If you were to head into Fishers Island Sound, which of the following charts would you switch to for better detail of Mystic and Mystic Harbor? 213: From your 1915 position, you come left and set a course for Gardiners Point. At 1930, your position is LAT 41ø12.7' N, LONG 71ø56.8' W. What type of bottom is charted at this position? 214: From your 1930 position, you plot a course to pass 0.5 mile due south of Race Rock Light. If your vessel's speed is 10.0 knots, the current's set and drift are 040ø T at 1.8 knots, and a north wind produces a 3ø leeway, what true course should you steer to make good your desired course? 215: As an option to heading into Long Island Sound, you consider anchoring in the vicinity of the Gardiners Point Ruins at the north end of Gardiners Island. What is the minimum recommended distance from the ruins for fishing, trawling, or anchoring? 216: NOAA VHF-FM weather broadcasts from New London, CT are on ___________. 217: Your 1600 position is LAT 37ø22.5' N, LONG 75ø32.3' W. The depth of water under the keel is about __________. 218: If there is no current, what is the course per gyro compass from your 1600 position to point A located 0.5 mile due east of Hog Island Lighted Bell Buoy "12"? 219: At 1630, you reach point A and come right to 204ø T. Your engine speed is 12 knots. Your 1715, position is LAT 37ø09.8' N, LONG 75ø37.4' W. The current was ___________. 220: From your 1715 fix, you steer 214ø T at 12 knots. At 1800, you take a fix using the following Loran-C readings: 9960 - X - 27116.8 9960 - Y - 41386.0 9960 - Z - 58620.6 Your 1800 position is _____________. 221: At 1815, your position is LAT 37ø01.0' N, LONG 75ø42.7' W. If there is no current, what is the course per standard magnetic compass to arrive at a point 0.3 mile due north of North Chesapeake Entrance Lighted Whistle Buoy "NCA" (LL#375)? 222: From your 1815 position, you want to make good a course of 263ø T. Your engines are turning RPM's for 12 knots. The current is 050ø T at 1.9 knots. Adjusting your course for set and drift, at what time should you expect to enter the red sector of Cape Henry Light? 223: At 1920, Cape Henry Light bears 225ø pgc, and Chesapeake Channel Tunnel North Light bears 288ø pgc. If your heading is 268ø T, what is the relative bearing of Chesapeake Light? 224: Which statement concerning your 1920 position is TRUE? 225: From your 1920 position, you change course to enter Chesapeake Channel between bouys 9 and 10. What is the course per standard magnetic compass (psc) ? 226: At 2000, your position is LAT 37ø04.1' N, LONG 76ø05.6' W. You change course for the Eastern Shore. At 2037, Old Plantation Flats Light bears 033ø pgc, and York Spit Light bears 282ø pgc. The course made good from your 2000 position is __________. 227: At 2037, you change course to make good a course of 016ø T. There is no current, but a westerly wind is causing 3ø leeway. What course per standard magnetic compass (psc) should you steer to make good the course 016ø T? 228: Your height of eye is 25 feet (7.6 meters). If the visibility is 5.5 nautical miles, what is the luminous range of Wolf Trap Light? 229: If you want a more detailed chart of the area at your 2115 DR position, which chart should you use? 230: At 2123, your position is LAT 37ø20.0' N, LONG 76ø03.0' W. What is your distance offshore of Savage Neck? 231: From your 2123 position, you are approximately 42 miles from Crisfield, MD. If you are making good a speed of 13 knots, at what time should you arrive at Crisfield, MD? 232: At 0700, Stratford Shoal Middle Ground Light bears 137ø pgc. From your radar, you get a bearing of 007² pgc to the south tip of Stratford Point with a range of 4.5 miles. What is your 0700 position? 233: At 0725, you are heading 054ø T, and Stratford Point Light is abeam to port at 3.1 miles. The current is 135ø T at 1.8 knots. If you make turns for an engine speed of 8 knots, which course must you steer to make good 048ø T. 234: Which structure should you look for while trying to locate Southwest Ledge Light? 235: At 0830, you obtained the following Loran-C readings: 9960-X-26562.5 9960-Y-44028.1 What is your vessel's position? 236: From your 0830 position, you wish to make good 097ø T. There is no current, but a southerly wind is producing 3ø leeway. What course should you steer per standard magnetic compass in order to make good your true course? 237: At 0845, you are on a course of 097ø T, and Townshend Ledge Buoy "10A" is close abeam to port. With a westerly current of 1.2 knots, what speed will you have to turn for from your 0845 position in order to arrive abeam of Six Mile Reef Buoy "8C" at 1030? 238: At 0910, your DR position is LAT 41ø11.9' N, LONG 72ø47.8' W. Your vessel is on course 097ø T at 9.5 knots, and the weather is foggy. At 0915, Branford Reef Light is sighted through a break in the fog bearing 318ø T. At 0945, Falkner Island Light is sighted bearing 042ø T. What is your 0945 running fix position? 239: What do the dotted lines around Goose Island and Kimberly Reef represent? 240: At 1100, your position is LAT 41ø11.3' N, LONG 72ø28.0' W. You are steering a course of 069ø T to leave Black Point one mile off your port beam. It has been reported that the Long Sand Shoal Buoys and Hatchett Reef Buoys are off station. Which of the following will serve as a line marking the hazards and keep your vessel in safe water? 241: Little Gull Island Light is _____________. 242: At 1210, you are in position LAT 41ø14.3' N, LONG 72ø16.5' W. What is the depth of water below your keel? 243: From your 1210 position, you are steering a course of 083ø T. Your engines are turning RPMs for 10 knots. The set and drift of the current are 310ø at 1.7 knots. At what time should you expect to enter the red sector of New London Harbor Light? 244: Your vessel is entering New London Harbor Channel. If there is no current, what should you steer per gyro compass to stay on the range? 245: On chart 12354, the datum from which heights of objects are taken is _____________. 246: The red sector of New London Harbor Light covers from _____. 247: What type of bottom is found at Long Sand Shoal? 248: You are southeast of Saybrook Breakwater Light passing Saybrook Bar Lighted Bell Buoy "8". This buoy marks ________. 249: At 0005, on 26 January, your position is LAT 41ø11.8' N, LONG 72ø20.5' W. From this position, you plot a course to steer to Mattituck Breakwater Light "MI" with an engine speed of 9.0 knots. If there are no set and drift, what course should you steer? 250: At 0045, you obtain the following information: Radar range to Inlet Point is 1.4 miles; Radar range to Rocky Point is 2.8 miles. Radar range to Horton Point is 2.8 miles. What were the set and drift between 0005 and 0045? 251: You alter course from your 0045 position to head for Mattituck Breakwater Light "MI". If the visibility is 10 miles and you make good 9 knots, at what time will you lose sight of Saybrook Breakwater Light? 252: At 0100, you obtain the following radar ranges: Inlet Point - 2.7 miles, Rocky Point - 4.5 miles, Horton Point - 1.0 mile. What was the speed made good between 0045 and 0100? 253: According to the DR track line from your 0100 position, how far off Roanoke Point Shoal Buoy "5" should you be when the buoy is abeam? 254: At 0130, you obtain the following radar ranges: Horton Point Light - 4.3 miles; Mattituck Breakwater Light - 3.45 miles; Duck Pond Point - 2.0 miles. What were the course and speed made good between 0100 and 255: From your 0130 position, you change course to adjust for set and drift, and you later obtain the following loran lines of position: 9960-W-14975 9960-X-26412 9960-Y-43919 What is the latitude and longitude of the loran fix? 256: At 0209, your position is LAT 41ø01.8' N, LONG 72ø40.8' W. What course should you steer per standard magnetic compass to make good 278ø magnetic? (assume no set and drift) 257: At 0705, you change course to head for The Race. You wish to leave Race Rock Light bearing due north at 0.4 mile. If the current is 110ø T, at 2.8 knots, and you are turning for 12.0 knots, what course (pgc) should you steer? 258: During twilight on 28 December 1981, about 1800 GMT, in DR position LAT 4ø00' N, LONG 0ø06' W, the sextant altitude (hs) of Venus was 30ø46.8'. The height of eye was 36 feet, and the index error was 2.0' on the arc. The temperature was 68ø F. The barometer read 1030 mb. Calculate the observed altitude (Ho). 259: The south coast of Long Island Sound between Mattituck Inlet and Port Jefferson is ____________. 260: At 0300, your position is LAT 41ø01.7' N, LONG 72ø55.1' W. From this position you steer a course of 289øz per standard magnetic compass at an engine speed of 10.0 knots. At what time can you first expect to see Stratford Shoal Middle Ground Light if the luminous range is 8.0 miles? 261: You must arrive at your final destination by 0800. The distance from your 0300 position to the final destination is 40.5 miles. What minimum speed must be made good to arrive on time? 262: You are northwest of Port Jefferson Harbor steering 242ø per standard magnetic compass. As you continue westward, you see that the Port Jefferson Range Front Light and Rear Light come into line. If the deviation table is correct, the bearing of the range should be ____________. 263: As you enter the New Haven Outer Channel, you sight the range markers in line directly over the stern. Your heading at the time is 155.5ø per gyrocompass. What is the gyro error? 264: At 0720, you are in the outer channel between buoy "1" and buoy "2" and change course to pass Townshend Ledge Lighted Gong Buoy "10A" abeam to port at 200 yards. What is your ETA off the buoy? 265: At 0740, you plot a loran fix from the following readings: 9960-X-26542.0 9960-Y-44023.0 9960-W-15027.0 What is your position? 266: From your 0740 position, you change course to pass 1.1 miles north of Falkner Island Light. What loran reading will ensure that you will remain clear of the 18' shoal located 1 mile NW of Falkner Island Light? 267: At 0802, Branford Reef Light bears 348ø T at 0.75 mile, and the north point of Falkner Island bears 088ø T at 6.7 miles. What were the set and drift since 0740? 268: What publication contains information on the navigational hazards in the vicinity of Falkner Island? 269: If there is no current, what is the course per standard magnetic compass from your 0802 fix to the position 1.1 miles north of Falkner Island Light? 270: At 0830, you wish to get the latest weather forecasts for the Falkner Island area. On what frequency would you set your FM radio for this information? 271: At 0844, the range to the north end of Falkner Island is 2.0 miles and the left tangent bearing is 102ø T. What is the approximate charted depth of the water? 272: At 0925, you plot the following loran fix: 9960-W-14931.5 9960-X-26418.2 9960-Y-44006.5 If you correct for a current setting 215ø T at 0.5 knot, what course will you steer from the 0925 position to arrive at a position 0.5 mile south of Long Sand Shoal West End Horn Buoy "W"? 273: If you correct for the current in question 15 (215ø T at 0.5 knot) and maintain an engine speed of 7.5 knots, what is your ETA 0.5 mile south of buoy "W"? 274: At what approximate distance would you expect Bartlett Reef Light to break the horizon, if the visibility is 27 nautical miles? 275: At 1038, you are 0.4 mile south of Long Sand Shoal Buoy "8A" on course 090² T when visibility is reduced to 1 mile in rain and haze. You intend to stay on 090ø T until your Loran shows a reading that you can safely follow to the approaches of New London. Which of the following Loran readings will you look for? 276: At 1200, your position is 2.0 miles southwest of Bartlett Reef Light. Your heading is 075ø T. Visibility is less than 0.2 mile in fog and rain. Which of the following signals is most likely to be from another vessel? 277: What chart should you use after you enter New London Harbor? 278: The National Weather Service provides 24 hour weather broadcasts to vessels transiting the Chesapeake Bay Bridge Tunnel area on which frequency? 279: At 1752, your position is LAT 37ø04.3' N, LONG 76ø06.4' W. On a flood current you should expect to be set to the _____. 280: Your 1752 position places you _____________. 281: What is the average velocity of the maximum flood current at the Tail of the Horseshoe? 282: From your 1752 position, you steer 307ø pgc at 9 knots. At 1805, you obtain the visual bearings. What are the latitude and longitude of your 1805 position? Old Pt. Comfort Light 232ø pgc. Chesapeake Bay Tunnel North Light 130ø pgc. 283: At 1810, you sight a buoy on your starboard side labelled This buoy marks _____________. 284: Based on a DR, at approximately 1817 you would expect to __________. 285: At 1845, you obtain a loran fix using the following information: 9960-X-27252.0 9960-Y-41432.0 9960-Z-58537.5 Your latitude is _____________. 286: Your 1900 position is LAT 37ø12.9' N, LONG 76ø13.5' W. You change course to 317ø pgc and slow to 8.0 knots. What is the course per standard magnetic compass? 287: If the visibility is 11 miles, what is the luminous range of New Point Comfort Spit Light "4"? 288: According to your track line, how far off New Point Comfort Spit Light "4" will you be when abeam of this light? 289: At 1930, you take a fix using the following radar ranges: York Spit Light - 3.6 miles; New Point Comfort Spit Light "2" - 2.0 miles; York Spit Swash Channel Light "3" - 2.5 miles. Your longitude is _____________. 290: What was the speed made good from 1845 to 1930? 291: What is the height above water of Davis Creek Channel Light 292: If you have 17.3 miles to reach your destination from your 2000 position and want to be there at 2230, what speed should you make good? 293: At 1730, your position is LAT 37ø13.9' N, LONG 76ø26.4' W. You are steering course 088² per standard magnetic compass (psc) at an engine speed of 8.0 knots. What is your distance off Tue Marshes Light at 1730? 294: What is the maximum allowable speed of vessels underway up river from Tue Marshes Light? 295: At 1750, your position is LAT 37ø14.5' N, LONG 76ø22.9' W. What was the course made good between 1730 and 1750? 296: At 1800, Tue Marshes Light bears 264.5ø pgc, York Spit Swash Channel Light "3" bears 007ø pgc. Your position is _______. 297: What course should you steer per standard magnetic compass in order to navigate down the center of York River Entrance Channel (ignore set and drift)? 298: You have just passed York River Entrance Channel Lighted Buoys "13" and "14". The chart shows a light approximately 1.0 mile off your port beam with a light characteristic "Fl 6 sec". What is the name of this light? 299: At 1930, your vessel is between York River Entrance Channel Lighted Buoys "1YR" and "2". From this position, you change course to 142ø pgc at an engine speed of 8.0 knots. At 2001, you obtain the following information: Chesapeake Channel Tunnel North Light - 131ø pgc; Thimble Shoal Light - 248ø pgc What were the set and drift between 1930 and 2001? 300: You are bound for New London. Where will you cross the demarcation line and be governed by the Inland Rules of the Road? 301: You depart LAT 28ø55.0' N, LONG 89ø10.0' W, enroute to LAT 24ø25.0' N, LONG 83ø00.0' W. Determine the true course and distance by mid-latitude sailing? 302: A vessel steams 720 miles on course 058ø T from LAT 30ø06.0' S, LONG 31ø42.0' E. What are the latitude and longitude of the point of arrival by mid-latitude sailing? 303: A vessel steams 576 miles on course 260ø T from LAT 40ø36' N, LONG 50ø24' W. What are the latitude and longitude of the point of arrival by midlatitude sailing? 304: A vessel steams 580 miles on course 083ø T from LAT 13ø12' N, LONG 71ø12' W. What are the latitude and longitude of the point of arrival by midlatitude sailing? 305: A vessel steams 666 miles on course 295ø T from LAT 24ø24' N, LONG 83ø00' W. What are the latitude and longitude of the point of arrival by midlatitude sailing? 306: A vessel steams 640 miles on course 047ø T from LAT 34ø45' N, LONG 140ø00' E. What are the latitude and longitude of the point of arrival by midlatitude sailing? 307: A vessel at LAT 28ø00'N, LONG 116ø00' W is to proceed to LAT 34ø00' N, LONG 123ø40' W. What is the course and distance by midlatitude sailing? 308: A vessel at LAT 20ø00' N, LONG 107ø30' W is to proceed to LAT 24ø40' N, LONG 112ø30 W. What is the course and distance by midlatitude sailing? 309: A vessel at LAT 14ø10' N, LONG 61ø00' W is to proceed to LAT 10ø00' N, LONG 53ø23' W. What is the course and distance by mid-latitude sailing? 310: A vessel at LAT 28ø20' N, LONG 16ø00' W is to proceed to LAT 21ø00' N, LONG 18ø00' W. What is the course and distance by midlatitude sailing? 311: A vessel at LAT 20ø10' N, LONG 122ø00' E is to proceed to LAT 26ø18' N, LONG 128ø20' E. What are the course and distance by midlatitude sailing? 312: A vessel at LAT 07ø05' N, LONG 81²45ø W is to proceed to LAT 08ø40' N, LONG 88ø00' W. What are the course and distance by mid-latitude sailing? 313: At 1400, your position is LAT 37ø14.7' N, LONG 76ø22.3' W. From this position, you head for the York River Entrance Channel Buoy "17". What should you steer per standard magnetic compass for this heading? 314: At 1430, your position is LAT 37ø12.8' N, LONG 76ø17.7' W. At this time, you come left and steer 045ø T. This course will lead you through a channel bordered by yellow buoys. The dashed magenta lines between the buoys mark ___________. 315: From your 1430 fix, you order turns for 8 knots. You steer 045ø T and experience no set and drift. At what time would you expect to have New Point Comfort Spit Light "4" abeam? 316: From your 1830 fix, you continue south on a course of 150ø T turning RPMs for 6 knots. You encounter a flood current in the direction of 330ø T at 2 knots. Adjusting your course for set and drift, which course would you steer to make good a course of 150ø T while turning RPMs for 6 knots? 317: Determine your 1915 position using the following information obtained at 1915. Visual bearings Cape Charles Light 107ø pgc Cape Henry Light 172ø pgc Radar Bearing and Range Chesapeake Channel Tunnel South Light 189ø pgc at 7.2 miles 318: From your 1915 fix you come right and steer a course of 200ø T. At 2000, your position is LAT 37ø05.5' N, LONG 76ø07.0' W. Your intention is to pass through Chesapeake Channel. If there are no set and drift, what course would you steer per standard magnetic compass to make good a course of 145ø T? 319: At 2100, you have passed through the Chesapeake Bay Bridge and Tunnel and determine your position to be LAT 37ø01.3' N, LONG 76ø03.0' W. The current is flooding in a direction of 303ø T at 2.5 knots. Adjusting your course for set and drift, which course would you steer while turning RPMs for 6 knots to make good a course of 175ø T? 320: At 2150, your position is LAT 36ø57.2' N, LONG 76ø01.3' W. In this position on the chart, you note a light magenta line running in a direction of 030² T. This line indicates the limits of _____________. 321: At 2200, you are in position LAT 36ø57.5' N, LONG 76ø02.5' W. You intend to travel up the Thimble Shoals auxiliary Channel to Hampton Roads. According to the Coast Pilot, what is the depth of the auxiliary channel on either side of the main channel? 322: From your 2200 fix, you steer course 288ø T to travel up the Thimble Shoal North Auxiliary Channel. If you are making good 6.0 knots, at what time would you expect to pass buoy "18" at the west end of the channel? (There are no set and drift.) 323: At 2205, you are in Thimble Shoal North Auxiliary Channel abeam of lighted gong buoy "4". At this time the visibiliy decreases to 5 miles. You continue to turn RPMs for 6 knots and experience no set and drift. What time would you expect Old Point Comfort Light (white sector) to become visible? 324: The mean high water level at Old Point Comfort is _________. 325: You are entering Norfolk Harbor and have just passed Craney Island. Which chart should you use for your final approach into Norfolk Harbor? 326: Your 0200 position is LAT 37ø23.5' N, LONG 76ø09.2' W. Your speed is 8 knots, and your course is 095ø T. Which statement is TRUE? 327: At 0315, you obtain the following loran readings: 9960-Y-41588.0 9960-X-27240.0 What is the true course from this position to the entrance of York Spit Channel? 328: From your 0315 position, what time can you expect to reach York Spit Channel Buoys "37" and "38"? 329: The engineer has advised that it will be necessary to secure the gyrocompass and the electronic equipment. From your 0315 position, what is your course per standard magnetic compass to York Spit Channel Buoy "38", if there is no current? 330: Which chart could you use for greater detail of the area at the south end of York Spit Channel? 331: You leave York Spit Channel at buoy "14" at 0600 with an engine speed of 12 knots. You receive orders to rendezvous with the tug "Quicksilver" and her tow at Hog Island Bell Buoy "12". What is your ETA at the rendezvous point, if you pass through Chesapeake Channel to buoy "CBJ", through the outbound traffic separation lane to buoy "NCA" (LL#375), and then to the rendezvous point? 332: You arrive at the rendezvous point, secure the tow, and head back southward. At 1200, you take the following loran readings: 9960-Y-41534 9960-X-27114 9960-Z-58691 What is your 1200 position? 333: From your noon position, if there is no set and drift, what is your course per standard magnetic compass to the "NCA" (LL #375) buoy? 334: Your gyro and electronic gear are again operating. At 1710, Chesapeake Light bears 137ø pgc at 6.6 miles. The current is setting 160ø T at 2 knots. At your speed of 6 knots, what is your true course to steer to remain in the inbound traffic lane? 335: At 1810, you obtain the following loran readings: 9960-X-27158.0 9960-Y-41292.5 9960-Z-58546.9 What is your position? 336: What speed have you made good from 1710 to 1810? 337: If you make good a speed of 6.0 knots from your 1810 position, what is your ETA at Chesapeake Channel Lighted Bell Buoy "2C"? 338: You passed Cape Henry Light at 0730 outbound at maximum flood. What approximate current can you expect on entering Chesapeake Channel? 339: The coastline by Cape Henry is best described as ___________. 340: Inbound, the color of Cape Henry Light will _______. 341: You are on course 082ø T, and the engines are turning for 8 knots. At 0352, you take the following bearings: Stratford Point Light 016ø pgc Stratford Shoal (Middle Ground) Light 137ø pgc What is your 0352 position? 342: If the visibility is 11 miles, what is the earliest time you can expect to see New Haven Light? 343: While on a heading of 082ø T, you sight Middle Ground Light in line with Old Field Point Light bearing 206² per standard magnetic compass. From this you can determine the ________. 344: The maximum ebb current at a location 4.3 miles south of Stratford Point will occur at 0413. The predicted current will be 1.0 knot at 075ø. What will be your course made good if you steer 082ø T at 8 knots? 345: The characteristic of Branford Reef Light is _____________. 346: At 0415, you take the following bearings: Stratford Point Light 329.5ø pgc Middle Ground Light 223.5ø pgc Old Field Point Light 199.5ø pgc Which statement is TRUE? 347: If you change course at 0420, what is the course to make good to leave Twenty Eight Foot Shoal Lighted Buoy abeam to port at 1 mile? 348: At 0430, you take the following loran readings: 9960-X-26605.5 9960-Y-43985.0 What is your 0430 position? 349: From your 0430 position, what is the course per standard magnetic compass to a position where Twenty-eight foot Shoal lighted buoy "TE" is abeam to port at 1 mile? 350: By 0430, the wind has increased, and the visibility cleared due to passage of a front. You estimate 3ø leeway due to NW'ly winds. What is the course per gyrocompass to pass 1.2 miles due south of Twenty-eight Foot Shoal Lighted Buoy "TE"? 351: At 0430, you change course and speed to make good 090ø T at 10 knots. At 0433, you slow due to an engineering casualty and estimate you are making good 5.5 knots. At what time will Branford Reef Light bear 000ø T? 352: What is the approximate distance to New Bedford, MA, from your 0530 DR position, if your 0352 position was 7 miles from Bridgeport, CT? 353: At 0550, engineering repairs are complete and speed is increased to 9.6 knots. At 0630, Falkner Island Light bears 023ø pgc and Horton Point Light bears 097ø pgc. From your 0630 fix you steer to make good a course of 086ø T while turning for 9.6 knots. At 0700, Falkner Island Light bears 336.0² pgc and Horton Point Light bears 105.5ø pgc. The radar range to the south tip of Falkner Island is 5.7 miles. Which statement is TRUE? 354: The south shore of Long Island Sound from Horton Point to Orient Point is ____________. 355: If visibility permits, Orient Point Light will break the horizon at a range of about _______________. 356: At 0410, you take the following bearings: New Point Comfort Light "2" 242ø T Wolf Trap Light 313ø T Horn Harbor Entrance Light "HH" 262ø T What is your 0410 position? 357: If the visibility is 5 miles and you are in the red sector, at what distance off should you sight Cape Henry Light? 358: From your 0410 fix, what is the course per standard magnetic compass to the entrance to York Spit Channel between buoys "37" and "38"? 359: You are turning for 9 knots, a westerly wind is causing 3ø of leeway, and the current is 320ø T at 1.2 knots. What true course should you steer to remain in the northern leg of York Spit Channel? 360: If you are making 8.3 knots over the ground, what is your ETA at the first turning point in York Spit Channel between buoys "29" and "30"? 361: Wich publication contains the specific information about navigating in York Spit Channel? 362: At 0530, the Coast Guard announces that Chesapeake Channel is closed indefinitely due to a collision occurring in the channel between Trestle "B" and "C" of the Chesapeake Bay Bridge and Tunnel. You exit York Spit Channel, leaving buoy "20" abeam to port at 0.1 mile, and alter course to leave Horseshoe Crossing Lighted Bell Buoy abeam to port at 0.2 mile. What is the course per gyrocompass? 363: After you enter Thimble Shoal Channel, you will alter course to pass between Trestle "A" and "B". Which channel should you use? 364: As you pass through the Chesapeake Bay Bridge and Tunnel, you sight Trestle "A" in line bearing 198ø pgc. What is the gyro error? 365: You sighted Trestle "A" in line at 0707 and are steering 108ø T. At 0731, Cape Henry Light bears 136ø T; Cape Charles Light bears 032.5ø T; and Thimble Shoal Tunnel South Light bears 282ø T. What was the speed made good between 0707 and 0731? 366: At 0731, approximately how much water is under your keel? 367: What is the distance from your 0731 fix to Wilmington, N.C. (LAT 34ø14.0' N, LONG 77ø57.0' W)? 368: You will enter waters governed by the International Rules when _____________. 369: At 0812, you take the following loran readings: 9960-X-27155.2 9960-Y-41267.9 9960-Z-58537.8 What is your 0812 position? 370: At 0812, you are on course 132ø T. The standard magnetic compass reads 135ø. What should you conclude? 371: You are steering 087ø pgc and turning for 6.8 knots. At 0600, you take the following loran readings: 9960-W-14784.4 9960-X-26208.3 9960-Y-43959.1 What is your 0600 position? 372: If you change course at 0610, what is the course to steer to a point where Little Gull Island Light bears 180ø T at 0.7 mile (Point "A")? 373: What is your ETA at point "A"? 374: You calculate that the current will be ebbing at the Race at 0700. You should expect to be set in which general direction at the Race? 375: As you near Little Gull Island, you use your loran to insure that you do not come within 0.5 mile of the island. Which of the following loran readings will act as a danger line and keep you off Little Gull Island by a minimum of 0.5 mile? 376: You depart LAT 40ø42.0' N, LONG 74ø01.0' W, and steam 3365.6 miles on course 118ø T. What is the longitude of your arrival by Mercator sailing? 377: You depart LAT 22ø35.0' N, LONG 157ø30.0' W, and steam 4505.0 miles on course 135ø T. What are the latitude and longitude of your arrival by Mercator sailing? 378: A vessel at LAT 37ø24.0' N, LONG 178ø15.0' W, heads for a destination at LAT 34ø18.0' N, LONG 178ø25.0ø E. Determine the true course and distance by Mercator sailing. 379: A vessel at LAT 32ø05.0' N, LONG 81ø06.0' W, heads for a destination at LAT 35ø57.0' N, LONG 5ø45.0' W. Determine the distance by Mercator sailing. 380: A vessel at LAT 21ø18.5' N, LONG 157ø52.2' W, heads for a destination at LAT 8ø53.0' N, LONG 79ø31.0' W. Determine the true course and distance by Mercator sailing. 381: At 1540, your position is LAT 37ø18.4' N, LONG 76ø10.5' W. Which course should you steer per gyrocompass to head for the entrance to Cape Charles City? 382: You arrive at Cape Charles City at 1700 and depart at 1800. You are underway in Chesapeake Bay and encounter heavy fog. At 1830, you obtain the following Loran-C readings: 9960-X-27224 9960-Y-41456 9960-Z-58572 What is your 1830 position? 383: From point "A", you lay out an intended track line to a point where Block Island North Light bears 180ø T at 2.9 miles (Point "B"). What is the length of this leg of the voyage? 384: What is the course per standard magnetic compass between points "A" and "B"? 385: At 0715 you take the following bearings: Race Rock Light 328ø pgc Little Gull Island Light 249ø pgc Mt. Prospect Antenna 036ø pgc Based on your 0715 fix, which statement is TRUE? 386: From your 0715 position, you set a course of 085ø T. At 0745 you take the following bearings: Race Rock Light 278ø pgc Watch Hill Light 049ø pgc Fisher's Island East Harbor Cupola 010ø pgc What was the current encountered between 0715 and 0745? 387: The wind is southerly, and you estimate 3ø leeway. Allowing for leeway, what is the course to steer from your 0745 position to pass 1 mile south of Watch Hill Buoy "WH"? 388: From your 0745 fix, you change course to pass 1.0 mile south of buoy "WH" and estimate your speed at 7 knots. If the visibility clears, what is the earliest time you can expect to see Block Island North Light tower? 389: Which statement describes the shore between Watch Hill Point and Point Judith? 390: A vessel at LAT 29ø38.0' N, LONG 93ø49.0' W, heads for a destination at LAT 24ø38.0' N, LONG 82ø55.2' W. Determine the true course and distance by Mercator sailing. 391: A vessel at LAT 40ø42.0' N, LONG 74ø01.0' W, heads for a destination at LAT 14ø41.0' N, LONG 17ø26.0' W. Determine the true course and distance by Mercator sailing. 392: A vessel at LAT 32ø14.7' N, LONG 66ø28.9' W, heads for a destination at LAT 36ø58.7' N, LONG 75ø42.2' W. Determine the true course by Mercator sailing. 393: A vessel at LAT 32ø14.7' N, LONG 66ø28.9' W, heads for a destination at LAT 36ø58.7' N, LONG 75ø42.2' W. Determine the distance by Mercator sailing. 394: A vessel at LAT 38ø03.0' S, LONG 49ø38.0' W, heads for a destination at LAT 41ø26.0' S, LONG 38ø32.0' W. Determine the true course by Mercator sailing. 395: A vessel at LAT 45ø36.0' N, LONG 11ø36.0' W, heads for a destination at LAT 24ø16.0' N, LONG 73ø52.0' W. Determine the true course and distance by Mercator sailing. 396: A vessel at LAT 10ø22.0' S, LONG 7ø18.0' E, heads for a destination at LAT 6ø52.0' N, LONG 57ø23.0' W. Determine the true course and distance by Mercator sailing. 397: Your vessel departs LAT 32ø45' N, LONG 79ø50' W, and is bound for LAT 34ø21' S, LONG 18ø29' E. Determine the distance by Mercator sailing. 398: You depart LAT 32ø16.6' N, LONG 68ø28.0' W. What is the course and distance as calculated by Mercator sailing to a position at LAT 43ø12.2' N, LONG 55ø39.0' W? 399: A vessel at LAT 11ø22' S, LONG 009ø18' E heads for a destination at LAT 06ø52' N, LONG 57ø23' W. Determine the true course and distance by Mercator sailing. 400: Your vessel receives a distress call from a vessel reporting her position at LAT 5ø24' N, LONG 31ø16' W. Your position is LAT 2ø39' S, LONG 39ø24' W. Determine the distance from your vessel to the vessel in distress by Mercator sailing. 401: Your vessel receives a distress call from a vessel reporting her position as LAT 35ø01' S, LONG 18ø51' W. Your position is LAT 30ø18' S, LONG 21ø42' W. Determine the true course from your vessel to the vessel in distress by Mercator sailing. 402: A vessel at LAT 38ø36' N, LONG 11ø36' W, heads for a destination at LAT 24ø16' N, LONG 71ø52' W. Determine the true course and distance by Mercator sailing. 403: You receive a distress call from a vessel reporting her position as LAT 30ø21' N, LONG 88ø34' W. Your position is LAT 24ø30' N, LONG 83ø00' W. Determine the true course and distance to the distress scene by Mercator sailing. 404: You depart LAT 18ø54' N, LONG 73ø00' E, and steam 1150 miles on course 253ø T. What are the latitude and longitude of your arrival by Mercator sailing? 405: You depart LAT 33ø45.0' N, LONG 118ø30.0' W, and steam 2216 miles on course 250ø T. What is the longitude of your arrival by Mercator sailing? 406: You depart LAT 49ø45.0' N, LONG 06ø35.0' W, and steam 3599 miles on course 246.5ø T. What is the longitude of your arrival by Mercator sailing? 407: You depart LAT 34ø22' S, LONG 18ø23' E, and steam 3174 miles on course 282ø T. What is the longitude of your arrival by Mercator sailing? 408: You depart LAT 37ø36' N, LONG 123ø00' W, and steam 2022 miles on course 241ø T. What is the longitude of your arrival by Mercator sailing? 409: A vessel steams 1082 miles on course 047ø T from LAT 37ø18.0' N, LONG 24ø40.0' W. What is the latitude and longitude of the point of arrival by Mercator sailing? 410: A vessel steams 666 miles on course 135ø T from LAT 40ø24.0' N, LONG 74ø30.0' W. What is the latitude and longitude of the point of arrival by Mercator sailing? 411: A vessel steams 3312 miles on course 282ø T from LAT 34ø24' S, LONG 18ø18' E. What is the latitude and longitude of the point of arrival by Mercator sailing? 412: A vessel steams 1650 miles on course 077ø T from LAT 12ø47' N, LONG 45ø10' E. What is the latitude and longitude of the point of arrival by Mercator sailing? 413: A vessel steams 1106 miles on course 249ø T from LAT 13ø30.0' N, LONG 144ø30.3' E. What is the latitude and longitude of the point of arrival by Mercator sailing? 414: A vessel at LAT 49ø45' N, LONG 6ø35' W, heads for a destination at LAT 25ø50' N, LONG 77ø00' W. Determine the true course and distance by Mercator sailing. 415: A vessel at LAT 33ø45' N, LONG 118ø30' W, heads for a destination at LAT 21ø15' N, LONG 157ø36' W. Determine the true course and distance by Mercator sailing. 416: A vessel at LAT 18ø54' N, LONG 73ø00' E, heads for a destination at LAT 13ø12' N, LONG 54ø00' E. Determine the true course and distance by Mercator sailing. 417: A vessel at LAT 21ø32' N, LONG 160ø30' W, heads for a destination at LAT 30ø00' N, LONG 150ø00' E. Determine the true course and distance by Mercator sailing. 418: At 0830, Watch Hill Point bears 343ø T at 3.5 miles by radar. What was the speed made good since 0745? 419: At 0900, you take the following radar ranges: Watch Hill Point 5.4 miles Block Island Grace Point 8.3 miles Which statement about this fix is TRUE? 420: At 0930, your position is LAT 41ø16.5' N, LONG 71ø41.4' W, and you are turning for 7 knots. Allowing 3ø leeway for southerly winds and estimating the current as 035ø at 0.3 knot. What is the course to steer to point "B"? 421: At 0345, you set a course to depart New London Harbor. Assuming no set and drift, which standard magnetic compass course must you steer to stay in the middle of the channel? 422: Which statement regarding the wreck 0.2 mile south of buoys "1" and "2" at the entrance to New London Harbor is TRUE? 423: At 0530, your position is LAT 41ø13.6' N, LONG 72ø08.5' W. What is the color of New London Light? 424: From your 0530 position, you set a course of 271ø psc with an engine speed of 9 knots. At 0645, Cornfield Safe-Water Buoy is abeam to starboard. What speed have you averaged since 0530? 425: At 0730, your position is LAT 41ø10.5' N, LONG 72ø32.2' W. From this position you steer course 286ø psc with an engine speed of 9.0 knots. What is the approximate depth of water under your keel? 426: The broken magenta line which runs parallel to the shore between Roanoke Point and Mattituck Inlet marks a _________. 427: Assuming no current, at what time can you expect to be abeam of Townshend Ledge Lighted Buoy? 428: At 0730, visibility is 5.5 miles. At what time will you lose sight of Horton Point Light? 429: At 0820, you take the following Loran-C readings: 9960-W-14978.0 9960-Y-43993.5 9960-X-26464.1 What are the set and drift since 0730? 430: At 0820, you change course to 301ø psc and reduce speed to 7.5 knots. At 0900, you take the following visual bearings: Branford Reef Light 023ø psc New Haven Light 293ø psc Tweed Airport Aerobeacon 332ø psc Your 0900 position is ________________. 431: At 0900, the current is flooding in a direction of 350ø T at 1.2 knots. If your engines are turning RPMs for 9 knots, which course should you steer per standard magnetic compass to make good a course of 297ø true? 432: Which chart would you use for more detailed information on New Haven Harbor? 433: What true course and speed did you make good between 0730 and 0900? 434: As you enter the New Haven Outer Channel, you sight the outer range markers in line directly ahead. Your heading at this time is 347ø psc. What is your compass deviation by observation? 435: Which course should you change to per standard magnetic compass as you pass SW Ledge Light to remain in the channel? 436: At 0227, you take the following radar ranges and bearings: Bartlett Reef Light 359ø T at 2.4 miles Race Rock Light 083ø T at 4.1 miles What is your 0227 position? 437: At 0227, you are on course 087ø T at 10 knots. What course per standard magnetic compass should you steer to make good your true course? 438: You estimate that you are making 9.3 knots over the ground. At what time will you enter waters governed by the COLREGS? 439: At 0337, fog closes in and you anchor under the following radar ranges and bearing. South tip of Watch Hill Point 3.0 miles East point of Fishers Island 1.4 miles Latimer Reef Light 331ø T What is the approximate depth of water at your anchorage? 440: By 1015, visibility has increased to 5.0 miles and you can see Fishers Island. Fishers Island has ________________. 441: You get underway at 1030. The wind is out of the SSE and you estimate 3ø leeway. What course should you steer per gyrocompass to make good a desired course of 075ø T? 442: Shortly after getting underway, you sight Stonington Outer Breakwater Light in line with Stonington Inner Breakwater Light bearing 000ø per gyrocompass. Which statement is TRUE? 443: At 1104, Watch Hill Point Light is in line with Stonington Outer Breakwater Light, the range to the south tip of Watch Hill Point is 2.6 miles and the range to the beach is 1.9 miles. You are steering to make good 075ø T, speed 10.0 knots. At 1110, you change course to head for a position of LAT 41ø05.0' N, LONG 71ø50.0' W. What is the true course? 444: At 1110, you increase speed to 12 knots. What is your ETA at the new position? 445: You can follow what loran reading between your two positions? 446: At 1345, you depart from a position 1 mile due east of Montauk Point Light and set course for Block Island Southeast Light at 9 knots. At 1430, you take the following loran readings: 9960-W-14600.8 9960-Y-43866.3 9960-X-25912.3 What was the current encountered since 1345? 447: You are encountering heavy weather. What action should you take based on your 1430 fix? 448: At 2100, you set course of 000ø T, speed 10 knots from LAT 41ø07.0' N, LONG 71ø30.0' W. Visibility is 5.5 n.m. What is the earliest time you can expect to sight Point Judith Light? (Use charted range of 20 miles as nominal range.) 449: You estimate the current to be 160ø T at 1.2 knots. What should your course and speed be in order to make good 000ø T at 10 knots? 450: If you want to put into Point Judith Harbor of Refuge, what chart should you use? 451: Determine the great circle distance and initial course from LAT 27ø51.0' N, LONG 71ø41.0' W to LAT 49ø45.0' N, LONG 06ø14.0' W. 452: Determine the great circle distance and initial course from LAT 35ø17.6' N, LONG 144ø23.0' E to LAT 47ø36.0' N, LONG 124ø22.0' W. 453: Determine the great circle distance and initial course from LAT 08ø36.0' N, LONG 126ø17.0' E to LAT 02ø12.0' S, LONG 81ø53.0' W. 454: Determine the great circle distance and initial course from LAT 26ø00.0' S, LONG 56ø00.0' W to LAT 34ø00.0' S, LONG 18ø15.0' E. 455: Determine the great circle distance and initial course from LAT 24ø52.0' N, LONG 78ø27.0' W to LAT 47ø19.0' N, LONG 06ø42.0' W. 456: At 0630, you pass Buoy "PI" close abeam on the starboard side. You are steering 078ø T and are headed directly toward Race Rock Light. At 0654, Little Gull Island Light is bearing 207ø T and Race Rock Light is bearing 072ø T. What is your 0654 position? 457: Determine the great circle distance and initial course from LAT 31ø57.0' S, LONG 115ø52.0' E to LAT 24ø47.0' N, LONG 66ø59.0' E. 458: Determine the great circle distance and initial course from LAT 38ø42.0' N, LONG 09ø10.5' W to LAT 32ø05.0' N, LONG 81ø05.0' W. 459: Determine the great circle distance and initial course from LAT 25ø47.0' N, LONG 79ø59.5' W to LAT 38ø42.0' N, LONG 09ø10.5' W. 460: Determine the great circle distance and initial course from LAT 35ø27.0' N, LONG 140ø20.5' E to LAT 47ø51.0' N, LONG 122ø51.0' W. 461: Determine the great circle distance and initial course from LAT 32ø43.0' N, LONG 121ø18.0' W to LAT 35ø27.0' N, LONG 140ø20.5' E. 462: Determine the great circle distance and initial course from LAT 12ø45.2' N, LONG 124ø20.1' E to LAT 33ø48.8' N, LONG 120ø07.0' W. 463: Determine the great circle distance and initial course from LAT 37ø47.5' N, LONG 122ø27.8' W to LAT 33ø51.7' S, LONG 151ø12.7' E. 464: Determine the great circle distance and initial course from LAT 33ø53.3' S, LONG 18ø23.1' E to LAT 40ø27.0' N, LONG 73ø49.4' W. 465: Determine the great circle distance and initial course from LAT 34ø51.0' N, LONG 115ø01.2' E to LAT 10ø16.0' S, LONG 51ø42.6' E. 466: Determine the great circle distance and initial course from LAT 25ø50.0' N, LONG 77ø00.0' W to LAT 35ø56.0' N, LONG 06ø15.0' W. 467: Determine the great circle initial course from LAT 29ø46.0' S, LONG 30ø26.0' E to LAT 31ø52.0' S, LONG 115ø22.0' E. 468: Determine the great circle initial course from LAT 07ø05.0' N, LONG 81ø45.0' W to LAT 21ø15.0' N, LONG 157ø40.0' W. 469: Determine the great circle initial course from LAT 37ø12.6' S, LONG 73ø58.0' W to LAT 10ø33.0' S, LONG 142ø08.0' E. 470: Determine the great circle distance and initial course from LAT 35ø08.0' S, LONG 19ø26.0' E to LAT 33ø16.0' S, LONG 115ø36.0' E. 471: The great circle distance from LAT 35ø57.2' N, LONG 05ø45.7' W to LAT 24ø25.3' N, LONG 83ø02.6' W is 3966.5 miles and the initial course is 283.7ø T. The latitude of the vertex is 38ø09.4' N. What is the longitude of the vertex? 472: The great circle distance from LAT 38ø17.0' N, LONG 123ø16.0' W to LAT 35ø01.0' N, LONG 142ø21.0' E is 4330 miles and the initial course is 300.9ø T. The latitude of the vertex is 47ø40.5' N. What is the longitude of the vertex? 473: The great circle distance from LAT 08ø50.0' N, LONG 80ø21.0' W to LAT 22ø36.0' N, LONG 128ø16.0' E is 7801 miles and the initial course is 324ø44' T. The latitude of the vertex is 56ø52.7' N. What is the longitude of the vertex? 474: You are on a great circle track departing from LAT 25ø50.0' N, LONG 77ø00.0' W and your initial course is 061.7ø T. The position of the vertex is LAT 37ø35.6' N, LONG 25ø57.8' W. What is the distance along the great circle track between the point of departure and the vertex? 475: The great circle distance from LAT 35ø08.0' S, LONG 19ø26.0' E to LAT 33ø16.0' S, LONG 115ø36.0' E is 4559 miles and the initial course is 121ø T. Determine the latitude of the vertex. 476: The great circle distance from LAT 35ø08.0' S, LONG 19ø26.0' E to LAT 33ø16.0' S, LONG 115ø36.0' E is 4559 miles and the initial course is 121ø T. Determine the longitude of the vertex. 477: The great circle distance from LAT 08ø50.0' N, LONG 80ø21.0' W to LAT 12ø36.0' N, LONG 128ø16.0' E is 8664 miles, and the initial course is 306.6ø T. Determine the latitude of the vertex. 478: The great circle distance from LAT 38ø17' N, LONG 123ø16' W to LAT 35ø01' N, LONG 142ø21' E is 4330 miles, and the initial course is 300.9ø T. Determine the latitude of the vertex. 479: The great circle distance from LAT 35ø57.2' N, LONG 05ø45.7' W to LAT 24ø25.3' N, LONG 83ø02.6' W is 3966.5 miles, and the initial course is 076.3ø T. Determine the latitude of the vertex. 480: The great circle distance from LAT 25ø50' N, LONG 77ø00' W to LAT 35ø56' N, LONG 06ø15' W is 3616 miles, and the initial course is 061.7² T. The position of the vertex is LAT 37ø35.6' N, LONG 25ø57.8' W. Determine the latitude intersecting the great circle track 600 miles west of the vertex, along the great circle track. 481: The great circle distance from LAT 25ø50' N, LONG 77ø00' W to LAT 35ø56' N, LONG 06ø15' W is 3616 miles, and the initial course is 061.7ø T. Determine the latitude of the vertex. 482: The great circle distance from LAT 25ø50' N, LONG 77ø00' W to LAT 35ø56' N, LONG 06ø15' W is 3616 miles, and the initial course is 061.7ø T. Determine the longitude of the vertex, given the latitude of the vertex as 37ø35.6' N. 483: The great circle distance from LAT 25ø50' N, LONG 77ø00' W to LAT 36ø56' N, LONG 06ø15' W is 3616 miles, and the initial course is 061.7ø T. The position of the vertex is LAT 37ø35.6' N, LONG 25ø57.8' W. The difference of longitude from the vertex to a point (X) on the great circle track is 10ø W. Determine the latitude which intersects the great circle at point (X). 484: You are on a great circle track departing from position LAT 25ø50' N, LONG 77ø00' W. The position of the vertex is LAT 37ø35.6' N, LONG 25ø57.8' W. The distance along the great circle track from the vertex to a point (X) is 600 miles westward. Determine the position of point (X) on the great circle track. 485: Determine the great circle distance and initial course from LAT 08ø53.0' N, LONG 79ø31.0' W to LAT 33ø51.5' S, LONG 151ø13.0' E. 486: What is your speed from your 0630 position, with Buoy "PI" close abeam, to your 0654 position? 487: At 0700, your gyro alarm sounds. What course should you steer by the standard magnetic compass in order to maintain your original heading of 078ø T? 488: At 0705, with your gyro again functioning properly, you change course to 096ø T. At this time Race Rock Light is bearing 000ø T at 0.35 mile. You are now governed by which Navigation Rules? 489: At 0728, Race Rock Light is bearing 282ø T at 3.8 miles, and the closest point on Fishers Island is at a radar range of 2.1 miles. What speed have you been making since you changed course at 0705? 490: At 0728, you change course to 080ø T. When steady on course, the standard magnetic compass reads 097ø. Which statement is TRUE? 491: At 0748, you take the following Loran-C readings: 9960-W-14651.0 9960-X-26034.8 9960-Y-43943.8 What is the approximate depth of water at this position? 492: At 0748, you change course to 160ø T. What loran reading can you follow to remain on this course? 493: At 0815, Montauk Pt. Light House is bearing 167ø T, Shagwong Pt. has a radar range of 4.5 miles, and Cerberus Shoal "9" Buoy is bearing 284ø T. If the engine is making turns for 10 knots, what was the set and drift of the current since 0748? 494: What action should you take to compensate for the above current? 495: At 0815, visibility is excellent and you can see Montauk Point. Montauk Point is ________________. 496: At 0815, you change course to 079ø T and head for the entrance of Great Salt Pond on Block Island. To compensate for a northerly wind, you estimate a 5ø leeway is necessary. What course should you steer per gyrocompass to make good 079ø T? 497: At 0845, Montauk Pt. Light is bearing 205ø T at a radar distance of 6.6 miles. What is your speed made good from your 0815 position 498: As you head toward Great Salt Pond, visibility is unlimited. At what time will you lose sight of Montauk Pt. Light? 499: Which chart should you use to enter Great Salt Pond? 500: Your position is LAT 40ø59.0' N, LONG 73ø06.2' W. What is the course per standard magnetic compass to New Haven Harbor Lighted Whistle Buoy "NH"? 501: You depart from the position in question 6 at 2114 and make good 12 knots on a course of 040ø T. At what time will you sight New Haven Light if the visibility is 11 miles? 502: At 2142, you take the following bearings: Stratford Point Light 331ø T Stratford Shoal Middle Ground Light 280ø T Old Field Point Light 223ø T What is your 2142 position? 503: What was the speed made good between 2114 and 2142? 504: At 2142, you change course to make good 030ø T and increase speed to 14 knots. You rendezvous with another vessel and receive fresh supplies while off New Haven Harbor Lighted Whistle Buoy "NH". What is the light characteristic of this buoy? 505: At 0109 you get underway, and at 0112 you take the following Loran-C readings: 9960-W-15026.9 9960-X-26536.9 9960-Y-44015.7 What is your 0112 position? 506: At 0112, what is the approximate depth under the keel? 507: At 0112, you are on course 124ø T and turning for 12.0 knots. What course will you make good if the current is 255ø T at 1.2 knots? 508: Branford reef is _________________________ . 509: At 0112, the radar range to Branford Reef Light is 2.9 miles. At 0125, the range is 3.6 miles. What is the position of your 0125 running fix if you make good 124ø T at 12 knots? 510: You observe the star Deneb at a sextant altitude (hs) of 48ø34.8' on 16 December 1981. The index error is 4.0' off the arc. The height of eye is 58 feet. What is the observed altitude (Ho)? 511: At 0130, your position is LAT 41ø09.3' N, LONG 72ø46.9' W when you change course to 086ø T. If you make good 086ø T, what is the closest point of approach to Twenty-Eight Foot Shoal Lighted Buoy? 512: At 0200, you take the following bearings: Falkner Island Light 004.5ø T Stone Island Reef Light 054.0ø T Horton Point Light 115.0ø T What were the set and drift from 0130? 513: What is the distance from your 0200 position to the point where Twenty-Eight Foot Shoal Lighted Buoy is abeam to starboard? 514: The shoreline along Rocky Point should give a good radar return because _____________. 515: You depart LAT 50ø06.0' N, LONG 153ø06.0' E and steam 879 miles on course 090ø. What is the LONG of arrival? 516: You sight Bartlett Reef Light in line with New London Harbor Light bearing 043ø pgc. You are heading 088ø pgc and 098.5ø per standard magnetic compass at the time of the observation. Which statement is TRUE? 517: At 0520, you take the following observations: Point Judith Light 032ø pgc Point Judith Harbor of Refuge Main Breakwater Center Light 308ø pgc What is the position of your 0520 fix? 518: Point Judith Harbor of Refuge __________. 519: At 0520 you are on course 243ø pgc at 12 knots. What is the course per standard magnetic compass? 520: On 29 June 1981 you observe the star Achernar at a sextant altitude (Hs) of 54ø18.9'. The index error is 4.7' off the arc. The height of eye is 58 feet. What is the observed altitude (Ho)? 521: The coastline between Point Judith and Watch Hill is _______. 522: In clear weather, how far away will you sight Point Judith Light? 523: At what time will you cross the 60 foot curve if you make good 12 knots? 524: The two wavy magenta lines running to Green Hill Point represent __________. 525: At 0600 your loran reads: 9960-W-14542.5 9960-X-25909.5 9960-Y-43950.0 What is your 0600 position? 526: Your vessel receives a distress call from a vessel reporting her position as LAT 35ø01.0' S, LONG 18ø51.0' W. Your position is LAT 35ø01.0' S, LONG 21ø42.0' W. Determine the true course and distance from your vessel to the vessel in distress by parallel sailing. 527: You depart LAT 25ø54' N, LONG 9ø38' E and steam 592 miles on course 270ø. What is the longitude of arrival? 528: You depart LAT 38ø12' S, LONG 12ø06' W and steam 1543 miles on course 270ø. What is the Longitude of arrival? 529: You depart LAT 51ø48.0' S, LONG 178ø35.0' W and steam 179 miles on course 270ø. What is the longitude of arrival? 530: You observe the planet Jupiter at a sextant altitude (hs) of 66ø27.6' on 26 May 1981. The index error is 5.2' on the arc. The height of eye is 52 feet. What is the observed altitude (Ho)? 531: You depart LAT 15ø48' N, LONG 174ø06' E and steam 905 miles on course 090ø. What is the LONG of arrival? 532: You depart LAT 26ø03' S, LONG 10ø28' E, for LAT 26ø03' S, LONG 01ø16' W. What are the course and distance by parallel sailing? 533: You depart LAT 38ø14' N, LONG 12ø42' W, for LAT 38ø14' N, LONG 46ø09' W. What are the course and distance by parallel sailing? 534: You depart LAT 52ø01' N, LONG 176ø09' E, for LAT 52ø01' N, LONG 178ø46' W. What are the course and distance by parallel sailing? 535: You depart LAT 49ø38' N, LONG 152ø49' E, for LAT 49ø38' N, LONG 176ø12' E. What are the course and distance by parallel sailing? 536: Determine the distance from LAT 63ø54.0' N, LONG 04ø52.0' E to LAT 63ø54.0' N, LONG 18ø24.0' W by parallel sailing. 537: Determine the distance from LAT 19ø54.0' N, LONG 166ø36.0' E to LAT 19ø54.0' N, LONG 157ø54.0' W. by parallel sailing. 538: Determine the distance from LAT 23ø24' S, LONG 13ø54' E to LAT 23ø24' S, LONG 42ø48' W. by parallel sailing. 539: Determine the distance from LAT 59ø12' N, LONG 14ø00' W to LAT 59ø12' N, LONG 03ø20' W by parallel sailing. 540: Determine the distance from LAT 34ø18'S, LONG 172ø40' E to LAT 34ø18' S, LONG 152ø38' E, by parallel sailing. 541: You depart LAT 16ø24' S, LONG 169ø38' W, for LAT 16ø24' S, LONG 174ø52' E. What are the course and distance by parallel sailing? 542: You observe the planet Saturn at a sextant altitude (hs) of 63ø05.1' on 25 May 1981. The index error is 4.5' off the arc. The height of eye is 62 feet. What is the observed altitude (Ho)? 543: What was the current between 0520 and 0600? 544: From your 0600 position, what is the course per gyrocompass to leave Watch Hill Light abeam to starboard at 2.0 miles if a southerly wind is producing 3ø of leeway? 545: At 0645, Watch Hill Point (left tangent) bears 314.5ø T at 2.75 miles. What was the speed made good between 0600 and 546: At 0705, you take the following bearings: Watch Hill Light 030.5ø pgc Latimer Reef Light 329.0ø pgc Race Rock Light 262.0ø pgc What was the true course made good between 0645 and 0705? 547: At 0705, you change course to head for The Race. You wish to leave Race Rock Light bearing due north at 0.4 mile. If the current is 100ø T, at 2.8 knots, and you are turning for 12.0 knots, what course (pgc) should you steer? 548: You are bound for New London. Where will you cross the demarcation line and be governed by the Inland Rules of the Road? 549: In order to check your compasses, you sight North Dumpling Island Light in line with Latimer Reef Light bearing 074ø pgc. The helmsman was steering 303ø pgc and 315ø per standard magnetic compass at the time. Which of the following is TRUE? 550: You observe the star Antares at a sextant altitude (hs) of 38ø18.7' on 28 February 1981. The index error is 2.4' on the arc. The height of eye is 40 feet (12.2 meters). What is the observed altitude (Ho)? 551: You are on course 092ø T, and the engines are turning for 8 knots. At 0452, you take the following bearings: Stratford Point Light 020ø pgc Stratford Shoal (Middle Ground) Light 141ø pgc What is your 0452 position? 552: If the visibility is 10 miles, what is the earliest time you can expect to see New Haven Light? 553: At 0507, Stratford Shoal Middle Ground Light bears 208ø pgc. What is the position of your 0507 running fix? 554: Based on your running fix, you ____________. 555: Your 0507 position is about 7 miles from Bridgeport, CT. What is the distance from this position to Newport, RI? 556: Your 0530 position is LAT 41ø04.9' N, LONG 73ø01.1' W. What is the course per standard magnetic compass to a position 1.0 mile south of Twenty Eight Foot Shoal "TE" buoy? 557: The south shore of Long Island Sound near your position is ________________. 558: At 0530, you change course to 090ø T and increase speed to 8.5 knots. What is the course to steer per gyro compass if northerly winds are causing 2ø of leeway? 559: At 0615, Stratford Point Light bears 292ø pgc, Falkner Island Light bears 052ø pgc, and Branford Reef Light bears 018ø pgc. What was the current since 0530? 560: Which loran line can you follow to remain clear of all danger until south of New London? 561: At 0615 you change course to 078ø T. If there is no current, when will Falkner Island Light be abeam? 562: At 0700, Falkner Island Light bears 023ø pgc, and the range to the south tip of Falkner Island is 7.1 miles. What was the course made good since 0615? 563: At 0705, the gyro loses power. At 0730, you are on course 092ø per standard magnetic compass (psc). Falkner Light bears 352ø psc, Horton Point Light bears 119ø psc, and Stone Island Reef Light bears 229ø psc. What is the position of your 0715 fix? 564: Horton Point Light _____________. 565: If visibility permits, Little Gull Island Light will break the horizon at a range of approximately ___________. 566: Your cargo vessel is berthed near Lamberts Point in Norfolk. You wish to sail on the first slack water. Slack before ebb at Chesapeake Bay Entrance is predicted for 0312. What time should you plan on getting underway? 567: What is the distance from Lamberts Point to Thimble Shoal Lt.? 568: You are delayed in sailing due to engineering problems. You get underway at 0630. A Coast Guard radio broadcast advises that an aircraft carrier will transit the Elizabeth River enroute Norfolk Naval Shipyard and a safety zone is in effect. Further information on how far you must remain from the carrier found is in _____. 569: At 0823, Old Point Comfort Light bears 000ø T at 0.6 mile. What is your 0823 position? 570: On 2 June 1981, because of an indistinct horizon, you take a back sight of the Sun. The sextant altitude (hs) of the upper limb as observed in the scope is 118ø41.4'. The index error is 2.0' on the arc, and the height of eye is 24 feet. Calculate the observed altitude (Ho). 571: At 0845, you are approaching the entrances to Thimble Shoal Channel. What channel must you use? 572: At 0908, you change course to 010ø T. What course should you steer per standard magnetic compass? 573: Visibility has decreased to 1 mile in haze. At 0948, you take the following radar ranges. What course should you steer from this fix to the York Spit channel between buoys "19" and "20"? Thimble Shoal Light - 5.9 miles South end of trestle C of the Chesapeake Bay Bridge and Tunnel - 3.8 miles South end of trestle B of the Chesapeake Bay Bridge and Tunnel - 5.4 miles 574: If you are making 10 knots, what is your ETA at York Spit Channel Buoys "19" and "20"? 575: What is the course per standard magnetic compass on the southern leg of York Spit Channel between buoys "15" and 576: What is indicated by the dashed magenta line crossing York Spit Channel between buoys "20" and "22"? 577: At 1015, you estimate you have 139 miles to complete the voyage. If you average 9.5 knots, you will complete the voyage in _________. 578: At 1018, you are entering York Spit Channel and buoy "19" is abeam to your starboard. What speed are you making good? 579: Which loran line of positon will serve as a danger reading on the loran to keep you west of the submerged obstruction at LAT 37ø24.2' N, LONG 76ø03.7' W, after you leave York Spit Channel? 580: At 1037, you are on course 010ø T at 10 knots, when you take the following loran readings: 9960-X-27243.8 9960-Y-41497.6 9960-Z-58575.9 What is your 1037 position? 581: At 1119, Wolf Trap Light bears 268ø T at 4.4 miles by radar. What were the set and drift since your 1037 fix? 582: You are in New Haven Outer Channel and sight the range markers in line directly over the stern. Your heading at the time is 168ø per standard magnetic compass. What is the magnetic compass error? 583: At 0720, you are in the outer channel between buoy "1" and buoy "2" and change course to pass Townshend Ledge Lighted Gong Buoy "10A" abeam to port at 0.1 miles. What is the course to steer per gyro compass if a northerly wind causes 2ø of leeway? 584: At 0740, you plot a loran fix from the following readings: 9960-X-26545.9 9960-Y-44022.3 9960-W-15030.3 What is your position? 585: From your 0740 position, you change course to pass 0.8 miles north of Falkner Island Light. Which loran reading will ensure that you will remain clear of the 18' shoal located 1 mile NW of Falkner Island Light? 601: At 1210 zone time, on 1 December 1981, you depart Seattle, LAT 47ø36.0' N, LONG 122ø22.0' W (ZD +8). You are bound for Guam, LAT 13ø27.0' N, LONG 144ø37.0' E, and you estimate your speed of advance at 20 knots. The distance is 4,948 miles. What is your estimated zone time of arrival at Guam? 602: At 1845 zone time, on 24 October 1981, you depart Bimini Island, LAT 25ø50.0' N, LONG 77ø00.0' W (ZD +5). You are bound for Bishop Rock, LAT 49ø40.0' N, LONG 6ø34.0' W, and you estimate your speed of advance at 13.6 knots. The distance is 3,491 miles. What is your estimated zone time of arrival at Bishop Rock? 603: At 0915 zone time, on 7 November 1981, you depart Seattle, LAT 47ø36.0' N, LONG 122ø22.0' W (ZD +8). You are bound for Kobe, LAT 34ø40.0' N, LONG 135ø12.0' E, and you estimate your speed of advance at 18.5 knots. The distance is 4,527 miles. What is your estimated zone time of arrival at Kobe? 604: At 1820 zone time, on 21 March 1981, you depart San Francisco, LAT 37ø48.5' N, LONG 122ø24.0' W (ZD +8). You are bound for Melbourne, LAT 37ø49.2' S, LONG 144ø56.0' E, and you estimate your speed of advance at 21 knots. The distance is 6,970 miles. What is your estimated zone time of arrival at Melbourne? 605: At 0915 ZT, on 26 July 1981, you depart Yokohama, LAT 35ø27.0' N, LONG 139ø39.0' E (ZD -9). You are bound for Seattle, LAT 47ø36.0' N, LONG 122ø22.0' W, and you estimate your speed of advance at 14 knots. The distance is 4,245 miles. What is your estimated ZT of arrival at Seattle? 606: At 0915 zone time, on 11 May 1981, you depart Yokohama, LAT 35ø27.0' N, LONG 139ø39.0' E (ZD -9). You are bound for Seattle, LAT 47ø36.0' N, LONG 122ø22.0' W, and you estimate your speed of advance at 19.5 knots. The distance is 4,276 miles. What is your estimated zone time of arrival at Seattle? 607: At 0915 zone time, on 6 March 1981, you depart Sydney, LAT 33ø51.5' S, LONG 151ø13.0' E (ZD -10). You are bound for Kodiak, LAT 57ø47.0' N, LONG 152ø25.0' W, and you estimate your speed of advance at 21 knots. The distance is 6,222 miles. What is your estimated zone time of arrival at Kodiak? 608: At 1200 zone time, on 10 October 1981, you depart San Francisco, LAT 37ø48.5' N, LONG 122ø24.0' W (ZD +8). You are bound for Yokohama, LAT 35ø27.0' N, LONG 139ø39.0' E, and you estimate your speed of advance at 22 knots. The distance is 4,536 miles. What is your estimated zone time of arrival at Yokohama? 609: At 0915 zone time, on 7 April 1981, you depart San Francisco, LAT 37ø48.5' N, LONG 122ø24.0' W (ZD +8). You are bound for Kobe, LAT 34ø40.0' N, LONG 135ø12.0' E, and you estimate your speed of advance at 17 knots. The distance is 4,819 miles. What is your estimated zone time of arrival at Kobe? 610: At 0820 zone time, on 10 April 1981, you depart Yokohoma, LAT 35ø27.0' N, LONG 139ø39.0'E (ZD -9). You are bound for Honolulu, LAT 21ø18.5' N, LONG 157ø52.2' W (ZD +10) and you estimate your speed of advance at 17.5 knots. The distance is 3,397 miles. What is your estimated zone time of arrival at Honolulu? 611: At 0600 zone time, on 22 October 1981, you depart Manila, LAT 14ø35.0' N, LONG 120ø58.0' E (ZD -8). You are bound for Los Angeles, LAT 33ø46.0' N, LONG 118ø11.0' W, and you estimate your speed of advance at 20.2 knots. The distance is 6,385.9 miles. What is your estimated zone time of arrival at Los Angeles? 612: At 0530 zone time, on 20 December 1981, you depart Capetown (ZD -1). You are bound for New York (ZD +5), and you estimate your speed of advance at 25 knots. The distance is 6,762 miles. What is your estimated zone time of arrival at New York? 613: On 21 November, at 2100 zone time, you depart LAT 32ø12.0' N, LONG 69ø26.0' W enroute to LAT 12ø05.0' N, LONG 7ø32.0' W. The distance is 3,519 miles, and the average speed will be 12.5 knots. What is the zone time of arrival? 614: Your vessel departs Arkhangel'sk, USSR, from position LAT 64ø32' N, LONG 40ø31' E at 0236 zone time, on 19 August. It is bound for New York, NY, at position LAT 40ø42' N, LONG 74ø01' W. The distance is determined to be 4,216 miles, and you estimate that you will average 13.0 knots. What is your estimated zone time of arrival? 615: Your vessel departs Yokohama from position LAT 35ø27.0' N, LONG 139ø39.0' E (ZD -9), at 1330 ZT, on 23 July, bound for Seattle at position LAT 47ø36.0' N, LONG 122ø22.0' W (ZD +8). The distance by great circle is 4,245 miles, and you estimate that you will average 13.6 knots. What is your estimated ZT of arrival? 616: At 0800 zone time, on 15 April, your vessel is heading west in position LAT 15ø10.0' N, LONG 165ø15.0' W at a speed of 22 knots. The distance to your destination at LAT 15ø10.0' N, LONG 135ø15.0' E is 3,600 miles. What is your ETA? 617: Your vessel will sail from a position in LAT 8ø51.0' N, LONG 81ø31.0' W to a position at LAT 33ø51.5' S, LONG 151ø13.0' E. The distance by great circle is 7,635 miles, and you estimate an average speed of 15.0 knots. What is your estimated zone time of arrival if you depart at 1510 ZT, on 23 July? 618: Your vessel departs Seattle at 1010 zone time (ZD +8), on 28 May, bound for Apra, Guam (ZD -10). The distance by great circle is 4,948 miles, and you estimate that you will average 18.5 knots. What is your estimated zone time of arrival? 619: Your vessel departs Montevideo, Uruguay, LAT 34ø40.3' S, LONG 54ø09.1' W (ZD +4), at 1800 zone time, on 15 October 1981. It is bound for New York, LAT 40ø27.5' N, LONG 73ø49.9' W (ZD +5). The distance is 5,749 miles, and you expect to average 20 knots. What is your estimated zone time of arrival? 620: On 21 May 1981, at 0630 PDT (ZD +7), your vessel takes departure at the San Francisco Sea Buoy, LAT 37ø45.0' N, LONG 122ø41.5' W, enroute to Kobe, LAT 33ø52.0' N, LONG 135ø00.0' E via great circle. The distance is 4,245 miles, and you estimate that you will average 14.0 knots. What will be your estimated zone time of arrival? 621: You are on a voyage from New York, NY, to San Francisco, CA. The distance from pilot to pilot is 5132 miles. The speed of advance is 13.5 knots. You estimate 32 hours for bunkering at Colon, and 14 hours for the Panama Canal transit. If you take departure at 0600 hours (ZD +4), 16 May, what is your ETA (ZD +7) at San Francisco? 622: You are on a voyage from Limoy, Costa Rica, to Los Angeles, CA. The distance from departure to arrival is 3150 miles. The speed of advance is 14.0 knots. You estimate 24.0 hours for bunkering at Colon, and 12.0 hours for the Panama Canal transit. If you take departure at 1836 hours (ZD +6), 28 January, what is your ETA (ZD +8) at Los Angeles? 623: You are on a voyage from Baltimore, MD, to Seattle, WA. The distance from pilot to pilot is 5960 miles. The speed of advance is 16.0 knots. You estimate 16 hours for bunkering at Colon, and 12.0 hours for the Panama Canal transit. If you take departure at 0824 hours (ZD +5), 18 November, what is your ETA (ZD +8) at Seattle? 624: You are on a voyage from San Diego, CA, to New York, NY. The distance from pilot to pilot is 4860 miles. The speed of advance is 15.0 knots. You estimate 18 hours for bunkering at Colon, and 14 hours for the Panama Canal transit. If you take departure at 0836 hours (ZD +7), 4 July, what is your ETA (ZD +4) at New York? 625: You are on a voyage from Boston, MA, to South Pass, LA. The distance is 1870 miles, and the speed of advance is 13.6 knots. You estimate 16.5 hours for bunkering enroute at Port Everglades, FL. If you sail at 0836 hours (ZD +5), 26 Feburary, what is your ETA (ZD +6) at South Pass? 626: You are on a voyage from St. John, Canada, to Galveston, TX. The distance is 2280 miles, and the speed of advance is 15.0 knots. You estimate 16.5 hours for bunkering enroute at Ft. Lauderdale, FL. If you sail at 1642 hours (ZD +4), 27 February, what is your ETA (ZD +6) at Galveston? 627: You are on a voyage form Halifax, Nova Scotia, to Galveston, TX. The distance is 2138 miles, and the speed of advance is 12.5 knots. You estimate 18.0 hours for bunkering enroute at Port Everglades, FL. If you sail at 0648 hours (ZD +4), 12 June, what is your ETA (ZD +5) at Galveston? 628: You are on a voyage from Valdez, AK, to the Panama Canal. The distance from pilot to pilot is 4950 miles. The speed of advance is 15.0 knots. You estimate a layover in San Francisco, CA, of 36.0 hours. If you take departure at 0800 (ZD +10), 29 October, what is your ETA (ZD +5) at the Panama Canal? 629: You are on a voyage from Belem, Brazil, to Mobile, AL. The distance from departure to arrival is 3150 miles. The speed of advance is 14.0 knots. You estimate a layover in San Juan, Puerto Rico, of 17.5 hours. If you take departure at 2200 (ZD +3h 30m), 26 February, what is your ETA (ZD +6) at Mobile? 630: You are on a voyage from Corpus Christi, TX, to Fort de France, Martinique. The distance from pilot to pilot is 2190 miles. The speed of advance is 15.0 knots. You estimate a layover in Charlotte Amalie, Virgin Islands, of 16.0 hours. If you take departure at 0654 (ZD +6), 27 November, what is your ETA (ZD +4) at Fort de France? 631: From your 0100 position, you change course to 258ø per standard magnetic compass. Your engine speed is 10.0 knots. A short time later, your fathometer reads 51 feet (15.5 meters) under the keel. What is the water depth? 651: You are planning a voyage by great circle from Reykjavik (LAT 63ø30' N, LONG 24ø00' W) to the Azores (LAT 39ø30' N, LONG 29ø00' W). Which statement is TRUE? (Use gnomonic tracking chart WOXZC 5274) 652: On a voyage via the southern tip of Nova Scotia (LAT 43ø20' N, LONG 65ø35' W) you wish to sail the shortest route to La Coruna, Spain (LAT 43ø20' N, LONG 8ø24' W). Which of the following will require you to plot a composite sailing? (Use gnomonic tracking chart WOXZC 5274) 653: On which voyage would a great circle track be significantly shorter than a rhumb line track? (Use gnomonic tracking chart WOXZC 5274) 654: In planning a North Pacific voyage, you wish to steam the minimum distance from LAT 48ø30' N, LONG 124ø45' W to LAT 44ø00' N, LONG 150ø00' E, while remaining south of 51ø N latitude. Which track meets these requirements? (Use gnomonic tracking chart WOXZC 5270) 655: On a North Pacific voyage, you wish to sail the shortest distance from LAT 46ø05' N, LONG 124ø00' W to LAT 44ø00' N, LONG 150ø00' E. You do not want to exceed 50ø N latitude due to anticipated fog conditions. Which voyage plot meets these requirements? (Use gnomonic tracking chart WOXZC 5270) 656: You are planning a voyage by great circle to Reykjavik, Iceland, via Cape Race, Newfoundland, LAT 46ø30' N, LONG 53ø00' W. Which statement is TRUE? (Use gnomonic tracking chart WOXZC 5274) 657: You are planning a voyage by great circle from the mouth of the Delaware River (LAT 38ø40'N, LONG 75ø00'W) to Lisbon, Portugal. Which statement is TRUE? (Use gnomonic tracking chart WOXZC 5274.) 658: You are planning a voyage by great circle from LAT 59ø00' N, LONG 07ø00' W via LAT 38ø00' N, LONG 61ø30' W. Which of the following statements is TRUE? (Use gnomonic tracking chart WOXZC 5274) 659: You are planning a voyage from LAT 48ø30' N, LONG 125ø00' W to Korea via LAT 48ø30' N, LONG 153ø00' E. Which of the following track lines would you select for the safest and most direct route? (Use gnomonic tracking chart WOXZC 660: You are planning a voyage between Portland, LAT 46ø05' N, LONG 124ø00' W, and Korea via LAT 44ø00' N, LONG 155ø00' E. Which statement is TRUE? (Use gnomonic tracking chart WOXZC 5270) 661: Your voyage commences off Cape May, NJ, at LAT 38ø40' N, LONG 74²00' W, for LAT 44ø00' N, LONG 10ø00' W. Sea ice is north of 45ø N and west of 45ø W. Extensive naval exercises will be conducted within a 150-mile radius of LAT 50ø00' N, LONG 35ø00' W. Which statement about a direct great circle route is TRUE? (Use gnomonic tracking chart WOXZC 5274.) 662: You are planning a voyage by great circle from LAT 38ø00' N, LONG 73ø00' W to LAT 49ø00' N, LONG 06ø00' W. Which of the following statements is TRUE? (Use gnomonic tracking chart WOXZC 5274) 666: You are on a voyage via position LAT 44ø00' N, LONG 150ø00' E to LAT 46ø15' N, LONG 124ø00' W. Using gnomonic chart WOXZC 5270, determine which statement is TRUE? 667: You are planning a voyage from departure Seattle (LAT 48ø30' N, LONG 125ø00' W) to a position at LAT 44ø00' N, LONG 161ø00' E). Which statement is TRUE? (Use gnomonic chart WOXZC5270) 668: A great circle track would be most advantageous when compared to the rhumb line track on which route? (Use gnomonic tracking chart WOXZC5274) 669: You are planning a voyage from Cape May (LAT 38ø45' N, LONG 74ø45' W) to Lisbon (LAT 38ø37' N, LONG 09ø45' W). Which of the following is TRUE. (Use gnomonic chart WOXZC 5274) 670: You are on a voyage from Cape May (LAT 39ø50' N, LONG 74ø45' W) to the English Channel (LAT 49ø00' N, LONG 05ø00' W). What will NOT prohibit the use of a great circle track from departure to arrival? (Use gnomonic chart WOXZC5274.) 671: You are on a voyage from Nome to Honolulu via Unimak Pass (LAT 54ø30' N, LONG 164ø30' W). The great circle track passes through a point at LAT 38ø00' N, LONG 161ø40' W. Using gnomonic chart WOXZC5270, determine which answer is TRUE. (The great circle distance, Unimak Pass to Honolulu, is 2013 miles.) 675: You are planning a voyage from Godthab, Greenland, to Cayenne, French Guiana. Using chart WOXZC 5274, determine which statement is TRUE. 676: You are planning a voyage from Jacksonville, FL, to the Strait of Gibraltar. Using chart WOXZC 5274, determine which statement is TRUE. 677: Which statement about a great circle track between Cape Fattery (LAT 48ø30' N, LONG 125ø00' W) and Guam (LAT 14ø00' N, LONG 145ø00' E) is TRUE? (Use gnomonic tracking chart WOXZC 5270) 678: Using gnomonic tracking chart WOXZC 5270, determine which of the following statements about a voyage from Valdez, AK, to Hilo, HI, is TRUE. 679: Using gnomonic tracking chart WOXZC 5270, determine which of the following statements about a voyage from San Francisco to San Bernardino Strait (LAT 13ø00' N, LONG 125ø30' E) is TRUE. 680: On which voyage would a great circle track provide a significant savings in distance to steam, when compared to a rhumb line track? (Use gnomonic tracking chart WOXZC 726: On 16 December 1981, your 1810 zone time DR position is LONG 129ø46.5' W. At that time you observe Polaris with a sextant altitude (hs) of 23ø56.8'. The chronometer time of the sight is 03h 12m 31s, and the chronometer error is 02m 16s fast. The index error is 2.5' off the arc, and the height of eye is 52.6 feet. What is your latitude by Polaris? 727: On 11 February 1981, your 1832 zone time DR position is LONG 110ø52.6' W. At that time you observe Polaris with a sextant altitude (hs) of 26ø19.8'. The chronometer time of the sight is 01h 34m 56s, and the chronometer error is 02m 16s fast. The index error is 2.7' off the arc, and the height of eye is 60.2 feet. What is your latitude by Polaris? 728: On 2 January 1981, your 1759 zone time DR position is LONG 45ø17.6' W. At that time you observe Polaris with a sextant altitude (hs) of 24ø16.5'. The chronometer time of the sight is 08h 57m 10s, and the chronometer error is 02m 16s slow. The index error is 3.5' on the arc, and the height of eye is 42.5 feet. What is your latitude by Polaris? 729: On 24 September 1981, your 1841 zone time DR position is LONG 129ø34.5' E. At that time you observe Polaris with a sextant altitude (hs) of 25ø20.8'. The chronometer time of the sight is 09h 38m 12s, and the chronometer error is 03m 12s slow. The index error is 4.3' off the arc, and the height of eye is 52 feet (15.9 meters). What is your latitude by Polaris? 730: On 18 November 1981, your 1750 zone time DR position is LONG 110ø16.0' W. At that time you observe Polaris with a sextant altitude (hs) of 21ø29.8'. The chronometer time of the sight is 00h 52m 43s, and the chronometer error is 02m 18s fast. The index error is 3.2' on the arc, and the height of eye is 49.5 feet. What is your latitude by Polaris? 731: On 2 January 1981, your 1759 zone time DR position is LONG 45ø17.6' W. At that time you observe Polaris with a sextant altitude (hs) of 24ø16.5'. The chronometer time of the sight is 08h 57m 10s, and the chronometer error is 02m 16s slow. The index error is 3.5' on the arc, and the height of eye is 42.5 feet. What is your latitude by Polaris? 732: On 3 January 1981, your 1759 zone time DR position is LONG 60ø53.2' W. At that time you observe Polaris with a sextant altitude (hs) of 22ø55.8'. The chronometer time of the sight is 09h 57m 10s, and the chronometer error is 02m 26s slow. The index error is 2.9' off the arc, and the height of eye is 52.5 feet. What is your latitude by Polaris? 733: On 12 March 1981, your 1846 zone time DR position is LONG 129ø16.5' W. At that time you observe Polaris with a sextant altitude (hs) of 28ø01.5'. The chronometer time of the sight is 03h 44m 10s, and the chronometer error is 01m 55s slow. The index error is 2.2' off the arc, and the height of eye is 59.8 feet (18.2 m). What is your latitude by Polaris? 734: On 11 March 1981, your 1846 zone time DR position is LAT 25ø05.7' N, LONG 124ø29.0' W. At that time you observe Polaris with a sextant altitude (hs) of 25ø59.1'. The chronometer time of the sight is 02h 44m 01s, and the chronometer error is 02m 15s slow. The index error is 3.9' on the arc, and the height of eye is 42.7 feet (13.0 meters). What is your latitude by Polaris? 735: On 22 August 1981, your 1852 zone time DR position is LONG 155ø54.0' E. At that time you observe Polaris with a sextant altitude (hs) of 27ø36.9'. The chronometer time of the sight is 08h 54m 06s, and the chronometer error is 02m 20s fast. The index error is 3.6' off the arc, and the height of eye is 61.5 feet. What is your latitude by Polaris? 736: On 6 March 1981, your 1854 zone time DR position is LAT 23ø51.5' N, LONG 73ø14.0' W. At that time you observe Polaris with a sextant altitude (hs) of 24ø16.5'. The chronometer time of the sight is 11h 52m 40s, and the chronometer error is 01m 56s slow. The index error is 5.0' on the arc, and the height of eye is 43.5 feet (13.3 meters.) What is your latitude by Polaris? 737: On 29 July 1981, your 1930 zone time DR position is LONG 164ø26.0' E. At that time you observe Polaris with a sextant altitude (hs) of 23ø46.8'. The chronometer time of the sight is 08h 32m 18s, and the chronometer error is 02m 26s fast. The index error is 2.7' on the arc, and the height of eye is 56.0 feet. What is your latitude by Polaris? 738: On 24 September 1981, your 1841 zone time DR position is LAT 25ø15.0' N, LONG 129ø34.5' E. At that time you observe Polaris with a sextant altitude (hs) of 25ø20.8'. The chronometer time of the sight is 09h 38m 12s, and the chronometer error is 03m 12s slow. The index error is 4.3' off the arc, and the height of eye is 52.0 feet. What is your latitude by Polaris? 739: On 29 April 1981, your 1913 zone time DR position is LAT 22ø09.0' N, LONG 56ø16.0' W. At that time you observe Polaris with a sextant altitude (hs) of 22ø25.8'. The chronometer time of the sight is 11h 11m 14s, and the chronometer error is 02m 18s slow. The index error is 1.5' off the arc, and the height of eye is 61.5 feet. What is your latitude by Polaris? 740: On 14 March 1981, your 1846 ZT DR position is LAT 21ø57.6' N, LONG 132ø16.2' W. At that time you observe Polaris with a sextant altitude (hs) of 22ø16.8'. The chronometer time of the sight is 03h 45m 10s, and the chronometer error is 01m 32s slow. The index error is 3.2² off the arc, and the height of eye is 44.9 feet. What is your latitude by Polaris? 741: On 16 February 1981, your 1845 ZT DR position is LAT 25ø50.5' N, LONG 46ø24.0' W. At that time you observe Polaris with a sextant altitude (hs) of 26ø25.5'. The chronometer time of the sight is 09h 47m 30s and the chronometer error is 02m 16s fast. The index error is 2.5' off the arc, and the height of eye is 55.0 feet. What is your latitude by Polaris? 742: On 15 July 1981, at 0447 ZT, your vessel's DR position is LAT 22ø42' N, LONG 126ø36' E. At approximately this time, you obtain a sextant altitude (hs) of Polaris reading 23ø46.2' with an index error of 1.6' off the arc. Your chronometer reads 08h 48m 28s, and is 1m 16s fast. What is your latitude by Polaris, given a height of eye of 33 feet? 743: On 7 March 1981, at 1838 ZT, in DR position LAT 34ø26.9' N, LONG 58ø16.2' W, you observe Polaris for latitude. The sextant altitude (hs) is 35ø08.4'. The index error is 2.5' off the arc. The height of eye is 54 feet. What is the latitude at the time of the sight? 744: On 22 May 1981, at 0440 ZT, your vessel's DR position is LAT 23ø24' N, LONG 110ø24' W. At approximately this time, you obtain a sextant altitude (hs) of Polaris reading 23ø40.9' with an index error of 1.6' on the arc. Your chronometer reads 11h 42m 14s, and is 2m 36s fast. What is your latitude by Polaris, given a height of eye of 24 feet? 745: On 13 October 1981, at 1847 ZT, your vessel's DR position is LAT 42ø17.4' N, LONG 138ø46.2' W. At approximately this time, you obtain a sextant altitude (hs) of Polaris reading 42ø16.8', with an index error of 3.2' on the arc. Your chronometer reads 03h 45m 20s and is 1m 32s slow. What is your latitude by Polaris, given a height of eye of 44 feet? 746: On 16 January 1981, at 1804 zone time, you take a sextant observation of Polaris. Your vessel's DR position is LAT 36ø12' N, LONG 124ø36' W, and your sextant reads (hs) 37ø16.4'. Your chronometer reads 02h 02m 12s, and is 01m 36s slow. Your height of eye is 60 feet, and the index error is 1.5' on the arc. From your observation of Polaris, what is the latitude of your vessel? 747: On 14 March 1981, at 1845 ZT, you take a sextant observation of Polaris. Your DR position is LAT 29ø10' N, LONG 154ø30' W, and your sextant reads 29ø53.5'. Your chronometer reads 04h 42m 36s, and the chronometer error is 02m 24s slow. Your height of eye is 24 feet, and the index error is 1.3' off the arc. Determine the latitude by Polaris. 748: On 7 May 1981, you observe Polaris for latitude at 0303 ZT. Your DR position is LAT 56ø35.4' N, LONG 05ø38.9' W. The sextant altitude is 56ø11.1'. The height of eye is 36', and the index error is 3.3' off the arc. What is the latitude at the time of the sight? 749: On 15 February 1981 at 0610 ZT, in DR position LAT 56ø53.0' N, LONG 157ø02.9' E, you observe Polaris at a sextant altitude (hs) of 56ø10.4'. The index error is 2.5' on the arc, and the height of eye is 18 meters. What is the latitude? 750: On 28 October 1981, at 1754 ZT, your vessel's DR position is LAT 28ø30' N, LONG 63ø24' W. At this time, you obtain a sextant altitude (hs) of Polaris reading 28ø42.6', with an index error of 2.4' on the arc. Your chronometer reads 09h 50m 00s, and is 4m 14s slow. What is your latitude by Polaris, given a height of eye of 28 feet (8.5 meters)? 751: On 16 July 1981, at 2000 zone time, you take a sextant observation of Polaris. Your vessel's DR position is LAT 27ø22.0' N, LONG 148ø35.0' W, and your sextant reads 26ø57.5'. Your chronometer reads 05h 59m 16s, and your chronometer error is 01m 28s slow. Your height of eye is 48 feet, and the index error for your sextant is 1.3' off the arc. What is the latitude of your vessel from your observation of Polaris? 752: On 5 May 1981, at 1953 zone time, you take a sextant observation of Polaris. Your vessel's DR position is LAT 29ø30.0' N, LONG 66ø25.7' W, and your sextant reads 29ø07.2'. Your chronometer reads 11h 51m 45s, and your chronometer error is 01m 36s slow. Your height of eye is 56 feet, and the index error for your sextant is 1.5' on the arc. What is the latitude of your vessel from your observation of Polaris? 753: On 10 June 1981, your 2010 zone time DR position is LAT 41ø10.0' N, LONG 61ø15.0' W. At that time, you observe Polaris with a sextant altitude (hs) of 40ø35.8'. The chronometer time of the sight is 00h 08m 18s, and the chronometer error is 01m 54s slow. The index error is 2.0' on the arc, and the height of eye is 40 feet. What is your latitude by Polaris? 755: You are taking a time tick using the 1400 signal from Buenos Aires, Argentina. You hear a 0.4 second dash followed by a series of dots, noting that the 29th and the 56th to 59th dots are omitted. At the start of the following 0.4 second dash (which is followed by an 8 second pulse), the comparing watch reads 01h 59m 57s. When compared to the chronometer, the comparing watch reads 02h 00m 38s, and the chronometer reads 02h 01m 33s. What is the chronometer error? 756: Anchorage regulations for this area may be obtained from _____________. 801: On 28 April 1981, your 0510 zone time DR position is LAT 27ø37.6' N, LONG 147ø33.8' E. Your vessel is on course 240ø T, and your speed is 18.0 knots. At 0650 zone time, a meridian altitude of the Moon's lower limb is observed. The sextant altitude (hs) is 44ø19.2'. The chronometer reads 08h 48m 30s, and is slow 01m 50s. Your height of eye is 42 feet, and the index error is 1.5' on the arc. What is the calculated latitude at 0650 zone time? 802: On 27 May 1981, your 0424 zone time DR position is LAT 28ø38.7' N, LONG 70ø17.4' W. Your vessel is on course 040ø T, and your speed is 20.0 knots. At 0624 zone time, a meridian altitude of the Moon's lower limb is observed. The sextant altitude (hs) is 50ø35.0'. The chronometer reads 11h 22m 06s, and is slow 02m 06s. Your height of eye is 44 feet, and the index error is 2.0' on the arc. What is the calculated latitude at 0624 zone time? 803: On 19 November 1981, your 1150 zone time DR position is LAT 26ø20.0' N, LONG 156ø26.6' E. Your vessel is on course 250ø T, and your speed is 18.0 knots. At 1450 zone time, a meridian altitude of the planet Venus is observed. The sextant altitude (hs) is 37ø19.1'. The chronometer reads 04h 52m 36s, and is fast 02m 36s. Your height of eye is 46 feet, and the index error is 2.5' on the arc. What is the calculated latitude at 1450 zone time? 804: On 24 November 1981, your 1205 zone time DR position is LAT 29ø01.0' N, LONG 142ø36.3' W. Your vessel is on course 210ø T, and your speed is 20.0 knots. At 1441 zone time, a meridian altitude of the planet Venus is observed. The sextant altitude (hs) is 36ø30.8'. The chronometer reads 00h 39m 06s, and is slow 01m 54s. Your height of eye is 38 feet, and the index error is 2.0' on the arc. What is the calculated latitude at 1441 zone time? 805: On 12 March 1981, your 1524 zone time DR position is LAT 26ø30.6' S, LONG 62ø42.4' E. Your vessel is on course 055ø T, and your speed is 18.0 knots. At 1724 zone time, a meridian altitude of the Moon's upper limb is observed. The sextant altitude (hs) is 45ø02.3'. The chronometer reads 01h 21m 48s, and is slow 02m 24s. Your height of eye is 54 feet, and the index error is 2.0' off the arc. What is the calculated latitude at 1724 zone time? 806: On 15 November 1981, your 0913 zone time fix gives you a position of LAT 22ø30.0' N, LONG 68ø28.0' W. Your vessel is on course 164ø T, and your speed is 13.5 knots. Local apparent noon (LAN) occurs at 1118 zone time at which time ameridian altitude of the Sun's lower limb is observed. The observed altitude (Ho) for this sight is 49ø46.0'. What is the calculated latitude at LAN? 807: On 12 February 1981 your 0542 zone time (ZT) fix gives you a position of LAT 26ø42.0' N, LONG 60ø18.0' W. Your vessel is on course 300ø T, and your speed is 9.8 knots. Local apparent noon (LAN) occurs at 1220 ZT at which time a meridian altitude of the Sun's lower limb is observed. The observed altitude (Ho) for this sight is 49ø10.0'. What is the calculated latitude at LAN? 808: On 28 July 1981, your 0800 zone time fix gives you a position of LAT 25ø16.0' N, LONG 71ø19.0' W. Your vessel is on course 026ø T, and your speed is 17.5 knots. Local apparent noon (LAN) occurs at 1149 zone time, at which time a meridian altitude of the Sun's lower limb is observed. The observed altitude (Ho) for this sight is 82ø28.7'. What is the calculated latitude at LAN? 809: On 7 November 1981, your 0830 zone time fix gives you a position of LAT 27ø36.0' N, LONG 163ø19.0' W. Your vessel is on course 289ø T, and your speed is 19.0 knots. Local apparent noon (LAN) occurs at 1138 zone time, at which time a meridian altitude of the Sun's lower limb is observed. The observed altitude (Ho) for this sight is 45ø35.0'. What is the calculated latitude at LAN? 810: On 13 October 1981, your 0515 zone time (ZT) fix gives you a position of LAT 26ø53.0' N, LONG 90ø05.0' W. Your vessel is on course 068ø T, and your speed is 7.8 knots. Local apparent noon (LAN) occurs at 1145 zone time, at which time a meridian altitude of the Sun's lower limb is observed. The observed altitude (Ho) for this sight is 54ø51.5'. What is the calculated latitude at LAN? 811: On 1 July 1981, your 0515 ZT fix gives you a position of LAT 24ø36.0' S, LONG 151ø42.0' W. Your vessel is on course 300ø T, and your speed is 10.0 knots. Local apparent noon (LAN) occurs at 1215 ZT, at which time a meridian altitude of the Sun's lower limb is observed. The observed altitude (Ho) for this sight is 42ø55.0'. What is the calculated latitude at LAN? 812: On 28 July 1981, your 0800 zone time (ZT) fix gives you a position of LAT 25ø16.0' N, LONG 71ø19.0' W. Your vessel is on course 026ø T, and your speed is 17.5 knots. Local apparent noon (LAN) occurs at 1150 ZT, at which time a meridian altitude of the Sun's lower limb is observed. The observed altitude (Ho) for this sight is 82ø28.7'. What is the latitude at 1200 ZT? 813: On 7 November 1981, your 0830 zone time fix gives you a position of LAT 27ø36.0' N, LONG 162ø19.0' W. Your vessel is on course 289ø T and your speed is 19.0 knots. Local apparent noon (LAN) occurs at 1138 zone time, at which time a meridian altitude of the Sun's lower limb is observed. The observed altitude (Ho) for this sight is 45ø35.0'. What is the latitude at 1200 ZT? 814: On 1 July 1981, your 0515 zone time fix gives you a position of LAT 23ø24.0' S, LONG 151ø42.0' W. Your vessel is on course 240ø T, and your speed is 10.0 knots. Local apparent noon (LAN) occurs at 1215 zone time, at which time a meridian altitude of the Sun's lower limb is observed. The observed altitude (Ho) for this sight is 42ø55.0'. What is the latitude at 1200 ZT? 815: On 13 October 1981, your 0515 zone time fix gives you a position of LAT 26ø53.0' N, LONG 90ø05.0' W. Your vessel is on course 068ø T, and your speed is 7.8 knots. Local apparent noon (LAN) occurs at 1145 zone time, at which time a meridian altitude of the Sun's lower limb is observed. The observed altitude (Ho) for this sight is 54ø51.5'. What is the latitude at 1200 ZT? 816: On 15 November 1981, your 0813 zone time (ZT) fix gives you a position of LAT 22ø30.0' N, LONG 67ø28.0' W. Your vessel is on course 164ø T, and your speed is 13.5 knots. Local apparent noon (LAN) occurs at 1215 ZT, at which time a meridian altitude of the Sun's lower limb is observed. The observed altitude (Ho) for this sight is 49ø46.0'. What is the latitude at 1200 ZT? 817: On 15 December 1981, in DR position LAT 23ø24.0' N, LONG 55ø36.0' W, you take an ex-meridian observation of the Sun's lower limb. The chronometer time of the sight is 03h 45m 19s, and the chronometer error is 00m 00s. The sextant altitude (hs) is 43ø02.3'. The index error is 2.6' on the arc, and your height of eye is 65.0 feet. What is the latitude at 1145 ZT? 818: On 30 December 1981, in DR position LAT 28ø24.0' S, LONG 32ø15.0' W, you take an ex-meridian observation of the Sun's lower limb. The chronometer time of the sight is 02h 09m 16s, and the chronometer error is 00m 00s. The sextant altitude (hs) is 84ø03.3'. The index error is 3.5' off the arc, and your height of eye is 62.0 feet. What is the latitude at 1209 ZT? 819: On 27 March 1981, in DR position LAT 32ø31.0' N, LONG 76ø25.0' W, you take an ex-meridian observation of the Sun's lower limb. The chronometer time of the sight is 05h 23m 32s, and the chronometer error is 01m 30s fast. The sextant altitude (hs) is 59ø59.0'. The index error is 1.8' off the arc, and your height of eye is 52 feet. What is the latitude at the time of the sight? 820: On 15 March 1981, in DR position LAT 21ø42.0' N, LONG 55ø26.0' W, you take an ex-meridian observation of the Sun's lower limb. The chronometer time of the sight is 04h 02m 40s, and the chronometer error is 02m 24s fast. The sextant altitude (hs) is 66ø15.6'. The index error is 2.8' on the arc, and your height of eye is 56 feet. What is the latitude at 1200 ZT? 821: On 30 August 1981, in DR position LAT 26ø34.0' N, LONG 141ø36.0' W, you take an ex-meridian observation of the Sun's lower limb. The chronometer time of the sight is 09h 15m 26s, and the chronometer error is 00m 00s. The sextant altitude (hs) is 71ø41.7'. The index error is 3.2' off the arc, and your height of eye is 49.6 feet. What is the latitude at 1215 ZT? 822: On 10 March 1981, in DR position LAT 21ø42.0' S, LONG 57ø28.0' E, you take an ex-meridian observation of the Sun's lower limb. The chronometer time of the sight is 08h 28m 17s, and the chronometer error is 00m 00s. The sextant altitude (hs) is 72ø08.0'. The index error is 3.4' on the arc, and your height of eye is 52.7 feet. What is the latitude at 1228 ZT? 823: On 15 October 1981, an ex-meridian altitude of the Sun's lower limb at upper transit was observed at 1146 ZT. Your DR position is LAT 22ø42.0' N, LONG 139ø52.0' E, and your sextant altitude (hs) is 58ø30.4'. The index error is 3.4' on the arc, and your height of eye is 56.7 feet. The chronometer time of the observation is 02h 45m 06s, and the chronometer error is 01m 06s slow. Find the latitude from the ex-meridian observation. 824: On 30 October 1981, an ex-meridian altitude of the Sun's lower limb at upper transit was observed at 1144 ZT. Your DR position is LAT 22ø42.0' S, LONG 137ø16.0' W, and your sextant altitude (hs) is 80ø59.4'. The index error is 2.5' off the arc, and your height of eye is 42.5 feet. The chronometer time of the observation is 08h 46m 15s, and the chronometer error is 02m 12s fast. Find the latitude from the ex-meridian observation. 825: On 15 August 1981, an ex-meridian altitude of the Sun's lower limb at upper transit was observed at 1130 ZT. Your DR position is LAT 26ø24.0' S, LONG 155ø02.0' E, and your sextant altitude (hs) is 48ø45.9'. The index error is 2.6' on the arc, and your height of eye is 51.5 feet. The chronometer time of the observation is 01h 27m 38s, and the chronometer error is 02m 14s slow. Find the latitude from the ex-meridian observation. 826: On 5 May 1981, in DR position LAT 38ø34.5' N, LONG 124ø20.7' W, you take an ex-meridian observation of the Sun's lower limb. The chronometer time of the sight is 07h 59m 10s, and the chronometer error is 01m 10s slow. The sextant altitude (hs) is 67ø27.0'. The index error is 1.4' on the arc, and your height of eye is 30 feet. What is the latitude at 1200 ZT? 827: On 16 November 1981, your 1200 ZT DR position is LAT 26ø48.0' S, LONG 124ø32.0' W. Your vessel is on course 078² T, speed 17.0 knots. You observe an ex-meridian of the Sun's lower limb. The sextant (hs) reads 81ø41.3'. The index error is 1.5' off the arc, and your height of eye is 56 feet. The chronometer time of the observation is 08h 15m 32s, and the chronometer is 03m 06s fast. What is your latitude at the time of the sight? 828: On 2 January 1981, your 1000 DR position is LAT 29ø22.0' N, LONG 68ø22.0' W. Your vessel is on course 332ø T, speed 14.7 knots. You estimate the time of LAN to be 1134 ZT; however, the sky is overcast. At 1126 ZT, you observe the upper limb of the Sun through a break in the clouds. The chronometer at the time of the sight reads 04h 25m 51s and is 17s slow. The sextant reads 37ø40.0' and the index error is 2.5' on the arc. The height of eye is 39 feet. What is the latitude at 1200 ZT? 829: On 8 May 1981, in DR position LAT 30ø26.0' N, LONG 46ø55.1' W, you take an ex-meridian observation of Dubhe. The chronometer time of the sight is 11h 10m 54s, and the chronometer error is 01m 18s slow. The sextant altitude (hs) is 58ø35.0'. The index error is 1.5' on the arc, and your height of eye is 44 feet. What is the latitude at 2012 ZT? 830: On 23 August 1981, in DR position LAT 24ø22.0' S, LONG 64ø55.3' E, you take an ex-meridian observation of the Moon's upper limb at upper transit. The chronometer time of the sight is 02h 15m 04s, and the chronometer error is 01m 06s fast. The sextant altitude (hs) is 48ø03.6'. The index error is 2.0' on the arc, and your height of eye is 60 feet (21.0 meters). What is the latitude at 0614 zone time? 831: On 30 March 1981, in DR position LAT 20ø26.2' N, LONG 131ø17.9' E, you take an ex-meridian observation of the Moon's lower limb at upper transit. The chronometer time of the sight is 10h 36m 02s, and the chronometer error is 02m 06s slow. The sextant altitude (hs) is 48ø21.4'. The index error is 2.0' on the arc, and your height of eye is 40 feet. What is the latitude at 0738 zone time? 832: On 19 November 1981, in DR position LAT 20ø03.5' N, LONG 129ø48.0' W, you take an ex-meridian observation of the planet Venus at upper transit. The chronometer time of the sight is 11h 29m 44s, and the chronometer error is 01m 23s slow. The sextant altitude (hs) is 43ø54.3'. The index error is 2.0' off the arc, and your height of eye is 48 feet. What is the latitude at 1431 zone time? 833: On 17 November 1981, in DR position LAT 01ø14.4' S, LONG 148ø45.5' E, you take an ex-meridian observation of the planet Venus at upper transit. The chronometer time of the sight is 05h 31m 42s, and the chronometer error is 01m 50s fast. The sextant altitude (hs) is 64ø41.1'. The index error is 1.8' off the arc, and your height of eye is 50 feet. What is the latitude at 1530 zone time? 834: On 15 December 1981, while enroute from Christchurch, New Zealand, to McMurdo Sound, you observe an upper limb of the Sun at lower transit. Your DR position at 2345 ZT is LAT 69ø22.7' S, LONG 162ø14.8' W. The sextant altitude is 3ø20.8', and the index error is 2.8' on the arc. Your height of eye is 57 feet. The temperature is 14² Fahrenheit, and the barometer reading is 1031 millibars. What is your latitude? 835: On 6 July 1981, in DR position LAT 53ø57.0' N, LONG 45ø40.1' W, you take an ex-meridian observation of Dubhe at lower transit. The chronometer time of the sight is 07h 17m 06s, and the chronometer error is 01m 48s slow. The sextant altitude (hs) is 25ø59.5'. The index error is 1.5' off the arc, and your height of eye is 32 feet. What is the latitude at 0419 ZT? 836: On 16 June 1981, in DR position LAT 50ø57.0' S, LONG 53ø03.9' W (ZD+4), you take an ex-meridian observation of Acrux at lower transit. The chronometer time of the sight is 10h 08m 18s, and the chronometer error is 02m 12s fast. The sextant altitude (hs) is 23ø49.0'. The index error is 1.1' off the arc, and your height of eye is 26 feet. What is the latitude at 0606 ZT? 837: On 6 July 1981, in DR position LAT 53ø57.0' N, LONG 45ø40.1' W, you take an ex-meridian observation of Dubhe at lower transit. The chronometer time of the sight is 07h 17m 06s, and the chronometer error is 01m 48s slow. The sextant altitude (hs) is 25ø59.5'. The index error is 1.5' off the arc, and your height of eye is 32 feet. What is the latitude at 0419 zone time? 838: On 16 June 1981, in DR position LAT 50ø57.0' S, LONG 53ø03.9' W, you take an ex-meridian observation of Acrux at lower transit. The chronometer time of the sight is 10h 08m 18s, and the chronometer error is 02m 12s fast. The sextant altitude (hs) is 23ø49.0'. The index error is 1.1' off the arc, and your height of eye is 26 feet. What is the latitude at 0706 zone time? 839: On 22 August 1981, in DR position LAT 29ø41.8' N, LONG 33ø15.5' W, you take an ex-meridian observation of the Moon's upper limb at upper transit. The chronometer time of the sight is 08h 00m 02s, and the chronometer error is 02m 20s slow. The sextant altitude (hs) is 74ø32.4'. The index error is 1.5' off the arc, and your height of eye is 48 feet. What is the latitude at 0602 zone time? 840: On 29 October 1981, in DR position LAT 41ø12.0' N, LONG 50ø18.9' W, you take an ex-meridian observation of the Sun's lower limb, near upper transit. The chronometer time of the sight is 03h 21m 12s, and the chronometer error is 01m 50s slow. The sextant altitude (hs) is 34ø54.2'. The index error is 2.0' on the arc, and your height of eye is 45 feet. What is the latitude at the time of the sight? 841: On 7 July 1981, at 0006 ZT, your DR longitude is 165ø11.7' W. At this time you observe the sun's lower limb during lower meridian transit. The sextant altitude (Hs) is 04ø12.8', and the index error is 1.8' on the arc. The height of eye is 30 feet. What is your latitude at lower transit? 842: On 15 June 1981, at 2358 ZT, your DR longitude is 163ø05.4' W. At this time you observe the sun's lower limb during lower meridian transit. The sextant altitude (Hs) is 04ø22.8', and the index error is 1.5' off the arc. The height of eye is 18 feet. What is your latitude at lower transit? 843: On 10 June 1981, at 2339 ZT, your DR longitude is 170ø12.0' E. At this time you observe the sun's lower limb during lower meridian transit. The sextant altitude (Hs) is 05ø18.5', and the index error is 1.5' on the arc. The height of eye is 32 feet. What is your latitude at lower transit? 844: On 12 September 1981, your 0600 zone time (ZT) fix gives you a position of LAT 22ø51.9' N, LONG 133ø40.1' W. Your vessel is on course 062ø T, and your speed is 12.3 knots. Local apparent noon (LAN) occurs at 1142 ZT, at which time a meridian altitude of the Sun's upper limb is observed. The observed altitude (Ho) for this sight is 70ø33.2'. What is the calculated latitude at LAN? 845: On 16 September 1981, your 0600 ZT fix gives you a position of LAT 29ø47.2' N, LONG 65ø28.4' W. Your vessel is on course 242ø T and your speed is 13.5 knots. Local apparent noon (LAN) occurs at 1227 ZT, at which time a meridian altitude of the Sun's lower limb is observed. The observed altitude (Ho) for this sight is 63ø25.3'. What is the calculated latitude at LAN? 846: On 22 February 1981, your 0612 zone time fix gives you a position of LAT 27ø16.2' S, LONG 37ø41.6' W. Your vessel is on course 298ø T, and your speed is 14.2 knots. Local apparent noon (LAN) occurs at 1147 zone time, at which time a meridian altitude of the Sun's lower limb is observed. The observed altitude (Ho) for this sight is 73ø33.3'. What is the calculated latitude at LAN? 847: On 17 December 1981, your 0600 ZT fix gives you a position of LAT 27ø16.7' N, LONG 138ø39.2' W. Your vessel is on course 137ø T, and your speed is 14.8 knots. Local apparent noon (LAN) occurs at 1207 ZT, at which time a meridian altitude of the Sun's lower limb is observed. The observed altitude (Ho) for this sight is 40ø22.1'. What is the calculated latitude at LAN? 848: On 4 July 1981, at 0022 ZT, your DR longitude is 25ø27.1' E. At this time you observe the sun's lower limb during lower meridian transit. The sextant altitude (Hs) is 05ø18.l5', and the index error is 2.0' on the arc. The height of eye is 21 feet. What is your latitude at lower transit? 849: On 10 June 1981, at 0027 ZT, your DR longitude is 08ø03.6' E. At this time you observe the sun's lower limb during lower meridian transit. The sextant altitude (Hs) is 06ø10.1', and the index error is 1.8' off the arc. The height of eye is 32 feet. What is your latitude at lower transit? 976: On 7 November 1981, your 0830 zone time position was LAT 27ø36.0' N, LONG 162ø19.0' W. Your vessel was steaming on course 289ø T at a speed of 19.0 knots. An observation of the Sun's lower limb was made at 0945 ZT. The chronometer read 08h 43m 11s and was slow 01m 51s. The observed altitude (Ho) was 38ø21.1'. Local Apparent Noon (LAN) occurred at 1138 zone time. The observed altitude (Ho) was 45ø35.0'. What was the longitude of your 1200 zone time running fix? 977: On 8 February 1981, your 0800 zone time (ZT) position was LAT 28ø55.0' S, LONG 52ø27.0' W. Your vessel was steaming on course 036² T at a speed of 19.0 knots. An observation of the Sun's lower limb was made at 0938 ZT. The chronometer read 12h 37m 23s and was slow 01m 24s. The observed altitude (Ho) was 45ø29.2'. Local Apparent Noon (LAN) occurred at 1240 ZT. The observed altitude (Ho) was 77ø10.5'. What was the longitude of your 1200 ZT running fix? 978: On 11 November 1981, your 0730 zone time position was LAT 19ø58.0' N, LONG 143ø54.0' W. Your vessel was steaming on course 084ø T at a speed of 15.0 knots. An observation of the Sun's lower limb was made at 0931 ZT. The chronometer read 07h 29m 22s and was slow 02m 22s. The observed altitude (Ho) was 44ø17.6'. LAN occurred at 1125 zone time (ZD +10). The observed altitude (Ho) was 52ø17.4'. What was the longitude of your 1200 zone time running fix? 980: On 29 April 1981, your 0530 zone time position was LAT 23ø04.0' S, LONG 162ø12.0' E. Your vessel was steaming on course 120ø T at a speed of 9.0 knots. An observation of the Sun's upper limb was made at 0830 ZT. The chronometer read 09h 27m 32s and was slow 02m 24s. The observed altitude (Ho) was 24ø58.0'. LAN occurred at 1205 zone time. The observed altitude (Ho) was 52ø04.0'. What was the longitude of your 1200 zone time running fix? 981: On 20 September 1981, your 0730 zone time position was LAT 28ø58.0' N, LONG 152ø26.0' W. Your vessel was steaming on course 225ø T at a speed of 19.0 knots. An observation of the Sun's lower limb was made at 0931 ZT. The chronometer read 07h 29m 20s and was slow 02m 22s. The observed altitude (Ho) was 44ø14.4'. LAN occurred at 1206 zone time. The observed altitude (Ho) was 62ø49.5'. What was the longitude of your 1200 zone time running fix? 982: On 15 August 1981, your 0512 zone time position was LAT 29ø18.0' N, LONG 57ø24.0' W. Your vessel was steaming on course 262ø T at a speed of 20.0 knots. An observation of the Sun's lower limb was made at 0824 ZT. The chronometer read 00h 22m 24s and was slow 01m 34s. The observed altitude (Ho) was 38ø16.7'. LAN occurred at 1204 zone time. The observed altitude (Ho) was 74ø58.0'. What was the longitude of your 1204 zone time running fix? 983: On 17 January 1981, your 0730 zone time position was LAT 22ø26.0' N, LONG 152ø17.0' E. Your vessel was steaming on course 136ø T at a speed of 17.0 knots. An observation of the Sun's lower limb was made at 1015 ZT. The chronometer read 00h 13m 23s and was slow 01m 49s. The observed altitude (Ho) was 40ø25.7'. LAN occurred at 1222 zone time. The observed altitude (Ho) was 47ø48.1'. What was the longitude of your 1200 zone time running fix? 984: On 28 July 1981, your 0800 ZT fix gives you a position of LAT 25ø16.0' N, LONG 71ø19.0' W. Your vessel is steaming a course of 026ø T at a speed of 17.5 knots. An observation of the Sun's upper limb is made at 0905 ZT, and the observed altitude (Ho) is 51ø06.8'. The chronometer reads 02h 07m 10s, and the chronometer error is 02m 24s fast. Local apparent noon occurs at 1149 ZT, and a meridian altitude of the Sun's lower limb is made. The observed altitude (Ho) for this sight is 82ø28.7'. Determine the vessel's 1200 ZT position. 986: At 0900 zone time, on 23 September 1981, your DR position is LAT 28ø48.0' N, LONG 153ø11.5' W. You are steering course 257ø T at a speed of 18.0 knots. You observed 3 morning sun lines. Determine the latitude and longitude of your 1020 running fix? 987: On 17 January 1981, your 0730 zone time fix gives you a position of LAT 22ø26.0' S, LONG 152ø17.0' E. Your vessel is steaming on a course of 116ø T at a speed of 17 knots. An observation of the Sun's lower limb is made at 1015 zone time. The chronometer reads 00h 13m 23s, and the chronometer error is 01m 49s slow. The observed altitude (Ho) is 66ø02.1'. LAN occurs at 1152 zone time and a meridian altitude of the Sun's lower limb is made. The observed altitude (Ho) is 87ø54.2'. Determine the vessel's 1200 zone time position. 988: On 29 June 1981, your 0800 zone time fix gives you a position of LAT 26ø16.0' S, LONG 61ø04.0' E. Your vessel is steaming a course of 079ø T at a speed of 15.5 knots. An observation of the Sun's upper limb is made at 0905 zone time, and the observed altitude (Ho) is 25ø20.1. The chronometer reads 05h 08m 12s, and the chronometer error is 02m 27s fast. Local apparent noon occurs at 1154 zone time, and a meridian altitude of the Sun's lower limb is made. The observed altitude (Ho) for this sight is 40ø44.2'. Determine the vessel's 1200 zone time position. 989: On 2 April 1981, your 0830 zone time fix gives you a position of LAT 20ø16.0' S, LONG 004ø12.0' E. Your vessel is steaming a course of 143ø T at a speed of 18.0 knots. An observation of the Sun's upper limb is made at 0903 zone time, and the observed altitude (Ho) is 42ø39.6'. The chronometer reads 09h 05m 40s, and the chronometer error is 02m 15s fast. Local apparent noon occurs at 1145 zone time, and a meridian altitude of the Sun's lower limb is made. The observed altitude (Ho) for this sight is 63ø46.2'. Determine the vessel's 1200 zone time position. 990: On 24 March 1981, your 0800 zone time fix gives you a position of LAT 22ø16.0' N, LONG 31ø45.0' W. Your vessel is steaming a course of 285ø T at a speed of 16.5 knots. An observation of the Sun's upper limb is made at 0938 zone time, and the observed altitude (Ho) is 46ø32.2'. The chronometer reads 11h 41m 01s, and the chronometer error is 02m 50s fast. Local apparent noon occurs at 1214 zone time, and a meridian altitude of the Sun's lower limb is made. The observed altitude (Ho) for this sight is 68ø55.8'. Determine the vessel's 1200 zone time position. 991: On 23 June 1981, your 0900 zone time DR position is LAT 21ø26.0' N, LONG 137ø46.0' W. Your vessel is on course 059ø T at a speed of 19.0 knots. What is the zone time of local apparent noon (LAN)? 992: At 0100 zone time, on 23 September 1981, your DR position is LAT 24ø25.0' N, LONG 83ø00.0' W. You are steering course 315ø T. The speed over the ground is 10.0 knots. You observed 3 morning sun lines. Determine the latitude and longitude of your 1100 running fix? 993: Your 0745 ZT, 15 July 1981, position is LAT 29ø04.0' N, LONG 71ø17.5' W. You are on course 165ø T, and your speed is 8.0 knots. You observed 3 morning sun lines. Determine the latitude and longitude of your 1130 running fix? 994: At 0600 zone time, on 16 March 1981, your DR position is LAT 20ø10.0' N, LONG 81ø30.0' W. You are steering course 300ø T. The speed over the ground is 10 knots. You observed 3 morning sun lines. Determine the latitude and longitude of your 1130 running fix? 996: On 30 August 1981 your 0554 zone time (ZT) position was LAT 25ø39.0' S, LONG 31ø51.0' E. Your vessel was steaming on course 325ø T at a speed of 15.0 knots. An observation of the Sun's lower limb was made at 0836 ZT. The chronometer read 06h 38m 36s and was fast 02m 24s. The observed altitude (Ho) was 30ø49.2'. LAN occurred at 1157 ZT. The observed altitude (Ho) was 56ø40.0'. What was the longitude of your 1157 ZT running fix? 997: On 20 November 1981, your 0612 zone time (ZT) position was LAT 25ø38.0' N, LONG 166ø54.0' W. Your vessel was steaming on course 126ø T at a speed of 20.0 knots. An observation of the Sun's lower limb was made at 0854 ZT. The chronometer read 07h 51m 14s and was slow 02m 52s. The observed altitude (Ho) was 27ø58.3'. LAN occurred at 1147 ZT. The observed altitude (Ho) was 45ø35.0'. What was the longitude of your 1147 ZT running fix? 998: On 23 May 1981, your 0628 zone time position was LAT 28ø18.0' S, LONG 102ø42.0' E. Your vessel was steaming on course 040ø T at a speed of 20.0 knots. An observation of the Sun's lower limb was made at 0758 ZT. The chronometer read 01h 02m 06s and was fast 04m 04s. The observed altitude (Ho) was 13ø16.7'. LAN occurred at 1201 zone time. The observed altitude (Ho) was 42ø32.0'. What was the longitude of your 1201 zone time running fix? 999: On 16 February 1981, your 0640 zone time (ZT) position was LAT 23ø46.0' N, LONG 156ø24.0' W. Your vessel was steaming on course 222ø T at a speed of 18.0 knots. An observation of the Sun's lower limb was made at 0910 ZT. The chronometer read 07h 08m 06s and was slow 01m 56s. The observed altitude (Ho) was 27ø15.8'. LAN occurred at 1245 ZT (ZD +10). The observed altitude (Ho) was 55ø25.3'. What was the longitude of your 1245 ZT running fix? 1000: On 18 May 1981, your 1030 ZT DR position is LAT 18²30' N, LONG 62²31' W. You are on course 286² T, speed 24 knots. Determine your 1200 position using the following observations of the Sun. ZONE TIME GHA DECLINATION Ho 1204 61ø54.6' N 19ø37.6' 88ø39.7' 1210 63ø24.6' N 19ø37.7' 88ø59.2' 1001: On 26 July 1981, your 1030 ZT DR position is LAT 18ø25' N, LONG 51ø15' W. You are on course 231ø T, speed 15 knots. Determine your 1200 position using the following observations of the Sun. ZONE TIME GHA DECLINATION Ho 1228 50ø23.5' N 19ø21.9' 88ø14.3' 1236 52ø23.5' N 19ø21.8' 88ø29.0' 1002: On 13 November 1981, your 1030 ZT DR position is LAT 19ø03' S, LONG 6ø34' E. You are on course 164ø T, speed 12 knots. Determine your 1200 position using the following observations of the Sun. ZONE TIME GHA DECLINATION Ho 1112 351ø55.4' S 18ø00.4' 88ø08.0' 1121 354ø10.4' S 18ø00.5' 88ø33.9' 1003: On 15 November 1981, your 1030 ZT DR position is LAT 17ø25' S, LONG 42ø12' W. You are on course 059ø T, speed 22 knots. Determine your 1200 position using the following observations of the Sun. ZONE TIME GHA DECLINATION Ho 1128 40ø50.4' S 18ø33.6' 88ø18.4' 1133 42ø05.4' S 18ø33.6' 88ø37.7' 1004: On 15 November 1981, your 1030 ZT DR position is LAT 19ø41' S, LONG 41ø37' W. You are on course 239ø T, speed 22 knots. Determine your 1200 position using the following observations of the Sun. ZONE TIME GHA DECLINATION Ho 1128 40ø50.4' S 18ø33.6' 88ø18.4' 1133 42ø05.4' S 18ø33.6' 88ø37.7' 1005: On 18 May 1981, your 1030 ZT DR position is LAT 20ø41' N, LONG 63ø32' W. You are on course 106ø T, speed 24 knots. Determine your 1200 position using the following observations of the Sun. ZONE TIME GHA DECLINATION Ho 1204 61ø54.6' N 19ø37.6' 88ø39.7' 1210 63ø24.6' N 19ø37.7' 88ø59.2' 1006: On 30 July 1981, your 1030 ZT DR position is LAT 19²02' N, LONG 138²12' W. You are on course 309² T, speed 24 knots. Determine your 1200 position using the following observations of the Sun. ZONE TIME GHA DECLINATION Ho 1220 138ø25.0' N 18ø22.3' 88ø43.3' 1226 139ø55.0' N 18ø22.2' 88ø24.0' 1007: On 30 July 1981, your 1030 ZT DR position is LAT 17ø46' N, LONG 139ø30' W. You are on course 129ø T, speed 24 knots. Determine your 1200 position using the following observations of the Sun. ZONE TIME GHA DECLINATION Ho 1220 138ø25.0' N 18ø22.3' 88ø43.3' 1226 139ø55.0' N 18ø22.2' 88ø24.0' 1008: On 27 March 1981, your 0730 zone time position is LAT 28ø16' N, LONG 56ø37' W. Your vessel is on course 158ø T at a speed of 15.0 knots. An observation of the Sun's lower limb is made at 0915 zone time. The chronometer reads 01h 14m 11s, and the chronometer error is 00m 53s slow. The observed altitude (Ho) is 45ø10.7'. LAN occurs at 1150 zone time, and a meridian altitude of the Sun's lower limb is made. The observed altitude (Ho) is 65ø32.8'. Determine the vessel's 1200 zone time position. 1009: On 22 February 1981, your 0800 zone time position is LAT 24ø16' S, LONG 95ø37' E. Your vessel is on course 126ø T at a speed of 14 knots. An observation of the Sun's lower limb is made at 0945 zone time. The chronometer reads 03h 47m 22s, and the chronometer error is 02m 37s fast. The observed altitude (Ho) is 57ø02.1'. LAN occurs at 1148 zone time, and a meridian altitude of the Sun's lower limb is made. The observed meridian altitude (Ho) is 75ø22.3'. Determine the vessel's 1200 zone time position. 1010: On 8 February 1981, your 0800 zone time position is LAT 21ø55' S, LONG 52ø27' W. Your vessel is on course 056ø T at a speed of 17.5 knots. An observation of the Sun's lower limb is made at 0938 zone time, and the observed altitude (Ho) is 46ø06.5'. The chronometer reads 12h 37m 23s, and the chronometer error is 1m 24s slow. LAN occurs at 1243 zone time, and a meridian altitude of the Sun's lower limb is made. The observed altitude (Ho) for this sight is 83ø56.1'. Determine the vessel's 1200 zone time position. 1011: On 6 December 1981, your 0800 zone time DR position was LAT 21ø48.0' N, LONG 124ø30.0' E. Your vessel was steaming on course 045ø T at a speed of 20.0 knots. An observation of the Sun's lower limb was made at 1012 ZT. The chronometer read 02h 10m 42s and was slow 01m 02s. The observed altitude (Ho) was 41ø17.1'. LAN occurred at 1129 zone time. The observed altitude (Ho) was 44ø53.7'. What was the longitude of your 1200 zone time running fix? 1021: On 30 March 1981, your 0145 DR position is LAT 29ø30' S, LONG 122ø45' E. You are on course 055ø T at a speed of 22 knots. You observed 3 celestial bodies. Determine the latitude and longitude of your 0600 running fix? 1076: On 25 Mar 1981, your 0500 ZT DR position is LAT 28²14.0' S, LONG 93ø17.0' E. You are on course 291ø T at a speed of 16.0 knots. You observed 3 celestial bodies. Determine the latitude and longitude of your 0550 running fix? 1077: On 15 July 1981, your 1845 ZT DR position is LAT 27ø42.0' N, LONG 167ø02.0' E. You are on course 243ø T at a speed of 16.0 knots. You observed 3 celestial bodies. Determine the latitude and longitude of your 1945 running fix? 1078: On 6 April 1981, your 1830 ZT DR position is LAT 26ø33.0' N, LONG 64ø31.0' W. You are on course 082ø T at a speed of 16 knots. You observed 3 celestial bodies. Determine the latitude and longitude of your 1900 running fix? 1079: On 12 Dec. 1981, your 1830 ZT DR position is LAT 24ø16.0' S, LONG 41ø18.0' W. You are on course 235ø T at a speed of 16.0 knots. You observed 3 celestial bodies. Determine the latitude and longitude of your 1930 running fix? 1080: On 20 Feb. 1981, your 0530 ZT DR position is LAT 24ø15.0' N, LONG 137ø33.0' W. You are on course 033ø T at a speed of 18 knots. You observed 3 celestial bodies. Determine the latitude and longitude of your 0600 running fix? 1081: On 14 Sept 1981, your 1810 ZT DR position is LAT 27ø12.0' S, LONG 71ø10.0' E. You are on course 060ø T at a speed of 15.0 knots. You observed 3 celestial bodies. Determine the latitude and longitude of your 1822 running fix? 1082: On 20 Nov. 1981, your 1030 ZT DR position is LAT 27ø16.0' N, LONG 157ø18.6' E. You are on course 060ø T at a speed of 20 knots. You observed 3 celestial bodies. Determine the latitude and longitude of your 1200 running fix? 1083: On 21 Nov. 1981, your 1146 ZT DR position is LAT 26ø05.0' N, LONG 90ø02.0' W. You are on course 300ø T at a speed of 20.0 knots. You observed 3 celestial bodies. Determine the latitude and longitude of your 1246 running fix? 1084: On 4 Dec. 1981, your 1500 ZT DR position is LAT 18ø06.0' N, LONG 75ø42.0' W. You are on course 020ø T at a speed of 15.0 knots. You observed 3 celestial bodies. Determine the latitude and longitude of your 1548 running fix? 1085: On 20 Feb. 1981, your vessel is enroute from Honolulu, HI, to San Francisco, CA. You are steering course 033ø T and making a speed of 18 knots. Your 0530 zone time DR is LAT 24ø15.0' N, LONG 137ø33.0' W. You observed 3 celestial bodies. Determine the latitude and longitude of your 0600 running fix? 1086: On 15 July 1981, your vessel is enroute from Portland, OR, to Singapore, Malaysia. You are steering course 243ø T and making a speed of 16 knots. Your 1845 zone time DR is LAT 27ø42.0' N, LONG 167ø02.0' E. You observed 3 celestial bodies. Determine the latitude and longitude of your 1945 running fix? 1087: On 15 August 1981, your vessel is enroute from Bombay, India, to San Francisco, CA. You are steering course 020ø T and making a speed of 20.0 knots. Your 1830 zone time DR is LAT 26ø13.0' N, LONG 135ø18.0' W. You observed 3 celestial bodies. Determine the latitude and longitude of your 1935 running fix? 1088: On 9 June 1981, your 0000 DR position is LAT 26ø14.0' S, LONG 176ø38.1' E. You are on course 223ø T, speed 17.8 knots. You observed 4 celestial bodies. Determine the latitude and longitude of your 0630 running fix? 1089: At 1830 zone time, on 6 April 1981, your DR position is LAT 26ø33.0' N, LONG 64ø31.0' W. You are steering course 082ø T at a speed of 16.0 knots. You observed 3 celestial bodies. Determine the latitude and longitude of your 1900 running fix? 1090: At 0450 zone time, on 25 June 1981, your DR position is LAT 21ø26.0' N, LONG 160ø24.5' W. You are steering course 100ø T at a speed of 10 knots. You observed 3 celestial bodies. Determine the latitude and longitude of your 0514 running fix? 1091: On 10 August 1981, your 0430 ZT position is LAT 29ø56.7' S, LONG 139ø11.0' E. Your course is 321ø T, speed 18.2 knots. You observed 3 celestial bodies. Determine the latitude and longitude of your 0500 running fix? 1092: On 3 April 1981, your vessel's 1400 ZT DR position is LAT 20ø08.0' N, LONG 147ø45.0' W. You are steering course 023ø T at 18.0 knots. You observed 3 celestial bodies. Determine the latitude and longitude of your 1900 running fix? 1093: On 22 Nov. 1981, your vessel is enroute from Accra, Ghana, to Montevideo, Uruguay. You are on course 240ø T and making a speed of 15.0 knots. Your 1129 DR position is LAT 28ø25.0' S, LONG 42ø40.0' W. You observed 3 celestial bodies. Determine the latitude and longitude of your 1137 running fix? 1094: On 12 Oct. 1981, your vessel is on course 081ø T, speed 20 knots. Your 1800 zone time DR position is LAT 26ø11.0' S, LONG 77ø18.0' E. You observed 3 celestial bodies. Determine the latitude and longitude of your 1835 running fix? 1095: On 25 Oct. 1981, your 0430 ZT DR position is LAT 24ø48.O' N, LONG 65ø21.1' W. Your vessel is on course 030ø T at a speed of 18 knots. You observed 3 celestial bodies. Determine the latitude and longitude of your 0455 running fix? 1096: On 24 October 1981, your 0100 DR position is LAT 27ø42' N, LONG 158ø35' E. You are on course 085ø T at a speed of 12 knots. You observed 3 celestial bodies. Determine the latitude and longitude of your 0700 running fix? 1097: On 9 November 1981, your 0400 DR position is LAT 18ø24.0' S, LONG 97ø36.0' W. You are on course 138ø T at a speed of 16 knots. You observed 3 celestial bodies. Determine the latitude and longitude of your 0600 running fix? 1098: On 19 September 1981, your 0300 zone time DR position is LAT 24ø35' N, LONG 88ø40' W. You are on course 288ø T at a speed of 14 knots. You observed 3 celestial bodies. Determine the latitude and longitude of your 0600 running fix? 1099: On 6 April 1981, your 0300 DR position is LAT 27ø42' S, LONG 128ø58' W. You are on course 097ø T at a speed of 18 knots. You observed 3 celestial bodies. Determine the latitude and longitude of your 0600 running fix? 1100: Charles Island (LAT 41ø11.5' N, LONG 73ø03.4' W) is ____________. 1101: On 21 Dec. 1981, your 0300 DR position is LAT 21ø24.0' N, LONG 65ø15.0' W. You are on course 122ø T at a speed of 18 knots. You observed 3 celestial bodies. Determine the latitude and longitude of your 0700 running fix? 1102: On 19 November 1981, your 0200 zone time DR position is LAT 18ø41' N, LONG 150ø37' E. You are on course 014ø T at a speed of 18 knots. You observed 3 celestial bodies. Determine the latitude and longitude of your 0600 running fix? 1103: On 25 August 1981, your 0300 zone time DR position is LAT 21ø28.0' N, LONG 167ø48.0 E. You are on course 248ø T at a speed of 12 knots. You observed 3 celestial bodies. Determine the latitude and longitude of your 0600 running fix? 1104: On 19 November 1981, your 0200 zone time DR position is LAT 20ø29.0' N, LONG 150ø21.3' E. You are on course 136ø T at a speed of 18 knots. You observed 3 celestial bodies. Determine the latitude and longitude of your 0600 running fix? 1105: On 28 May 1981, your 0200 DR position is LAT 19ø16.5' S , LONG 119ø24.0' W. You are on course 107ø T at a speed of 18 knots. You observed 3 celestial bodies. Determine the latitude and longitude of your 0600 running fix? 1106: On 23 January 1981, your 0200 DR position is LAT 18ø32.5' N, LONG 135ø14.0' E. You are on course 064ø T at a speed of 15 knots. You observed 3 celestial bodies. Determine the latitude and longitude of your 0600 running fix? 1107: On 16 April 1981, your 0200 zone time DR position is LAT 17ø18' S, LONG 168ø46' E. You are on course 236ø T at a speed of 16 knots. You observed 3 celestial bodies. Determine the latitude and longitude of your 0600 running fix? 1108: On 19 January 1981, your 0300 zone time DR position is LAT 22ø13' N, LONG 40ø19' W. You are on course 297ø T at a speed of 17 knots. You observed 3 celestial bodies. Determine the latitude and longitude of your 0545 running fix? 1109: On 5 May 1981, your 1600 zone time DR position is LAT 17ø28' S, LONG 143ø39' E. You are on course 316ø T at a speed of 17 knots. You observed 3 celestial bodies. Determine the latitude and longitude of your 1800 running fix? 1110: On 19 November 1981, your 0300 zone time DR position is LAT 19ø23' N, LONG 151ø37' E. You are on course 293ø T at a speed of 17 knots. You observed 3 celestial bodies. Determine the latitude and longitude of your 0600 running fix? 1111: On 19 November 1981, your 1914 zone time DR position is LAT 30ø12' S, LONG 12ø15' E. You are on course 135ø T at a speed of 15 knots. You observed 3 celestial bodies. Determine the latitude and longitude of your 0600 running fix? 1151: On 12 February 1981, your 1800 zone time DR position is LAT 29ø25.5' S, LONG 154ø22.1' W. You are on course 240ø T; speed 14.0 knots. At what time will Atria transit the lower branch of your meridian? 1152: On 21 August 1981, your 0400 zone time, your DR position is LAT 28ø09.6' N, LONG 164ø18.7' E. You are on course 108ø T; speed 22.0 knots. At what time will Kochab transit the lower branch of your meridian? 1153: On 12 August 1981, your 0400 zone time DR position is LAT 26ø06.0' N, LONG 160ø06.6' W. You are on course 063ø T; speed 18.0 knots. At what time will Kochab transit the lower branch of your meridian? 1154: On 22 January 1981, your 1730 zone time DR position is LAT 22ø45.3' N, LONG 49ø29.1' W. You are on course 303ø T; speed 13.0 knots. At what time will Kochab transit the lower branch of your meridian? 1155: On 30 January 1981, your 1630 zone time DR position is LAT 29ø48.9' N, LONG 155ø55.1' E. You are on course 243ø T; speed 21.0 knots. At what time will Kochab transit the lower branch of your meridian? 1156: On 24 November 1981, your 1853 zone time DR position is LAT 52ø00.0' S, LONG 75ø20.7' W. You are on course 270ø T; speed 20.0 knots. At what time will Acrux transit the lower branch of your meridian? 1157: On 3 August 1981, your 1531 zone time DR position is LAT 55ø00.0' S, LONG 177ø30.0' E. You are on course 310ø T; speed 22.0 knots. At what time will Achernar transit the lower branch of your meridian? 1158: On 14 December 1981, your 2000 zone time DR position is LAT 50ø42.6' S, LONG 65ø31.3' W. You are on course 050ø T; speed 24.0 knots. At what time will Hadar transit the lower branch of your meridian? 1159: On 20 July 1981, your 0548 zone time DR position is LAT 40ø12.0' S, LONG 16ø39.5' W. You are on course 090ø T; speed 20.0 knots. At what time will Rigil Kentaurus transit the lower branch of your meridian? 1160: On 9 December 1981, your 2014 zone time DR position is LAT 55ø18.0' S, LONG 84ø43.0' W. You are on course 270ø T; speed 24.0 knots. At what what time will Rigil Kentaurus transit the lower branch of your meridian? 1161: On 14 February 1981, your 0328 zone time DR position is LAT 54ø37.2' S, LONG 175ø19.8' E. You are on course 130ø T; speed 15.0 knots. At what time will Archernar transit the lower branch of your meridian? 1162: On 25 May 1981, your 1940 zone time DR position is LAT 50ø12.0' N, LONG 150ø29.0' W. You are on course 270ø T; speed 20.0 knots. At what time will Schedar transit the lower branch of your meridian? 1175: On 12 February 1981, your 0900 zone time DR position is LAT 16ø43.0' N, LONG 51ø42.0' W. Your vessel is on course 093ø T at a speed of 18.5 knots. What is the zone time of local apparent noon (LAN)? 1176: On 24 January 1981, your 0700 zone time DR position is LAT 22ø25.0' N, LONG 46ø10.0' W. Your vessel is on course 110ø T at a speed of 12.0 knots. What is the zone time of local apparent noon (LAN)? 1177: On 2 April 1981, your 0900 zone time DR position is LAT 28ø04.0' S, LONG 94ø14.0' E. Your vessel is on course 316ø T at a speed of 18.5 knots. What is the zone time of local apparent noon (LAN)? 1178: On 27 August 1981, your 0900 zone time DR position is LAT 24ø25.0' N, LONG 94ý20.0' W. Your vessel is on course 071ý T at a speed of 20.0 knots. What is the zone time of local apparent noon (LAN)? 1179: On 26 September 1981, your 0830 zone time DR position is LAT 26ø04.0' N, LONG 129ø16.0' W. Your vessel is on course 119ø T at a speed of 20.0 knots. What is the zone time of local apparent noon (LAN)? 1180: On 3 May 1981, your 1009 zone time DR position is LAT 30ø1.0' N, LONG 123ø15.0' W. Your vessel is on course 330ø T at a speed of 8.6 knots. What is the zone time of local apparent noon (LAN)? 1181: On 4 January 1981, your 0800 zone time DR position is LAT 25ø25.0 S, LONG 16ø09.0' W. Your vessel is on course 290ø T at a speed of 13.5 knots. What is the zone time of local apparent noon (LAN)? 1182: On 10 July 1981, your 1030 zone time DR position is LAT 20ø31.0' S, LONG 24ø41.0' W. Your vessel is on course 038ø T at a speed of 22.0 knots. What is the zone time of local apparent noon (LAN)? 1183: On 25 June 1981, your 0900 zone time DR position is LAT 24ø10.0' S, LONG 148ø30.0' W. Your vessel is on a course of 230ø T at a speed of 18.0 knots. What is the zone time of local apparent noon (LAN)? 1184: On 8 April 1981, your 0830 zone time DR position is LAT 22ø49.0' N, LONG 84ø37.0' W. Your vessel is on course 228ø T at a speed of 19.0 knots. What is the zone time of local apparent noon (LAN)? 1185: On 31 January 1981, your 0920 zone time DR position is LAT 24ø16.0' S, LONG 151ø33.0' E. Your vessel is on course 258ø T at a speed of 18.5 knots. What is the zone time of local apparent noon (LAN)? 1186: On 16 November 1981, your 0800 zone time DR position is LAT 25ø11.0' N, LONG 117ø41.0' W. Your vessel is on course 252ø T at a speed of 14.5 knots. What is the zone time of local apparent noon (LAN)? 1187: On 17 March 1981, your 0800 zone time DR position is LAT 21ø27.0' N, LONG 65ø25.0' W. Your vessel is on course 105ø T at a speed of 17.5 knots. What is the zone time of local apparent noon (LAN)? 1188: On 9 February 1981, your 0830 zone time DR position is LAT 22ø19.0' N, LONG 64ø37.0' E. Your vessel is on course 128ø T at a speed of 19.0 knots. What is the zone time of local apparent noon (LAN)? 1189: On 7 February 1981, your 0800 zone time DR position is LAT 22ø16.0' N, LONG 92ø26.0' W. Your vessel is on course 270ø T at a speed of 20.0 knots. What is the zone time of local apparent noon (LAN)? 1190: On 12 February 1981, your 0930 zone time DR position is LAT 25ø20.0' N, LONG 30ø40.0' W. Your vessel is on course 135ø T at a speed of 11.2 knots. What is the zone time of local apparent noon (LAN)? 1191: On 14 October 1981, your 0800 ZT DR position is LAT 28ø22.0' N, LONG 161ø17.0' E. Your vessel is on course 116ø T at a speed of 17.5 knots. What is the ZT of local apparent noon (LAN)? 1192: On 3 October 1981, your 0830 ZT position is LAT 26ø15.0' S, LONG 73ø16.0' E. Your vessel is on course 280ø T at a speed of 19.0 knots. What is the ZT of local apparent noon (LAN)? 1193: On 26 September 1981, your 0830 zone time DR position is LAT 23ø04.0' N, LONG 129ø16.0' E. Your vessel is on course 119ø T at a speed of 20.0 knots. What is the zone time of local apparent noon (LAN)? 1194: On 16 January 1981 your 0930 ZT DR position is LAT 26ø07.0' S, LONG 51ø43.0' E. Your vessel is on course 238ø T at a speed of 17.0 knots. What is the ZT of local apparent noon (LAN)? 1195: On 23 June 1981, your 0900 zone time DR position is LAT 21ø26.0' N, LONG 137ø46.0' W. Your vessel is on course 059ø T at a speed of 19.0 knots. What is the zone time of local apparent noon (LAN)? 1196: On 14 October 1981 your 0800 zone time (ZT) dead reckoning position is LAT 28ø22.0' N, LONG 161ø17.0' E. Your vessel is on course 116ø T at a speed of 17.5 knots. What is the ZT of local apparent noon (LAN)? 1197: On 16 November 1981, your 0800 ZT DR position is LAT 25ø11.0' N, LONG 117ø41.0' W. Your vessel is on a course of 252ø T at a speed of 14.5 knots. What is the ZT of local apparent noon (LAN)? 1198: On 3 October 1981, your 0830 zone time DR position is LAT 26ø15.0' S, LONG 73ø16.0' E. Your vessel is on course 280ø T at a speed of 19.0 knots. What is the zone time of local apparent noon (LAN)? 1199: On 20 June 1981, your 0800 zone time DR position is LAT 21ø02.0' N, LONG 152ø50.0' E. Your vessel is on course 265ø T at a speed of 15.0 knots. What is the zone time of local apparent noon (LAN)? 1200: On 26 September 1981, your 0830 DR position is LAT 26ø04.0' N, LONG 129ø16.0' W. Your vessel is on a course of 119ø T at a speed of 20.0 knots. What is the zone time of local apparent noon (LAN)? 1201: On 10 October 1981, your 0930 zone time position is LAT 25ø00.0' S, LONG 164ø38.6' W. Your vessel is on course 180ø T at a speed to 10.0 knots. What is the zone time of local apparent noon (LAN)? 1202: Your 0830 DR position is LAT 27ø33' S, LONG 79ø17' E. Your vessel is on a course of 066ø T, at a speed of 19.5 knots. Determine the time of LAN on 10 December 1981. 1203: You are keeping ZD +4 on your vessel. On 21 June 1981, at 0906 DST, loran fixes your position at LAT 30ø48.0' N, LONG 71ø00.0' W. You are on a course of 167ø T at 15.2 knots. At what time will local apparent noon (LAN) occur ZT at your vessel? You are keeping DST. 1204: On 25 April 1981, your 0930 zone time position is LAT 28ø35' S, LONG 82ø30' W. Your vessel is on course 300ø T at a speed of 20.0 knots. Determine the time of LAN. 1205: On 25 April 1981, your 1130 DR position is LAT 24ø50.0' N, LONG 61ø25.0' W. Your vessel is on a course of 300ø T at a speed of 16.0 knots. Determine the zone time of (LAN) for your vessel. 1206: Your 0900 DR position is LAT 23ø16' N, LONG 146ø12' E. Your vessel is on a course of 286ø T, at a speed of 14.5 knots. Determine the zone time of LAN on 14 March 1981. 1207: On 10 July 1981, your 0930 zone time DR position is LAT 26ø31.0' S, LONG 4ø41.0' E. Your vessel is on course 308ø T at a speed of 22.0 knots. What is the zone time of local apparent noon (LAN)? 1208: On 12 July 1981, your 0800 ZT DR position is LAT 24ø15.0' N, LONG 132ø30.0' W. Your vessel is on course 045ø T at a speed of 15.0 knots. What is the ZT of local apparent noon (LAN)? 1209: It is 22 October 1981 and you are keeping zone time +4. You are on course 083ø T, speed 24 knots. Your 0820 DR position is LAT 26ø10.0' N, LONG 52ø20.0' W. What is the time of the second estimate of LAN by ship's clocks? 1210: It is 19 October 1981 and you are keeping +4 zone time. You are on course 275ø, speed 16 knots. Your 0800 DR position is LAT 25ø34.0' N, LONG 74ø36.0' W. What is the second estimate of the time of LAN by ship's clocks? 1211: It is 15 July 1981 and you are keeping +7 zone time. You are on course 095ø, speed 16 knots. Your 0800 DR position is LAT 25ø39.4' N, LONG 129ø46.2' W. What is the time of the second estimate of LAN by ship's clocks? 1212: It is 21 November 1981 and you are keeping zone time +8. You are on course 082ø T, speed 19 knots. Your 0830 DR position is LAT 24ø14.8' N, LONG 133ø35.5' W. What is the time of the second estimate of LAN by ship's clocks? 1213: It is 23 November 1981 and you are keeping zone time +4. You are on course 262ø T, speed 21 knots. Your 0800 DR position is LAT 24ø30.0' N, LONG 48ø40.0' W. What is the time of the second estimate of LAN by ship's clocks? 1214: It is 25 February 1981 and you are keeping zone time +4. You are on course 283ø T, speed 22 knots. Your 0900 DR position is LAT 29ø10.3' N, LONG 72ø04.9' W. What is the time of the second estimate of LAN by ship's clocks? 1215: It is 9 February 1981 and you are keeping zone time -6. You are on course 258ø T, speed 19 knots. Your 0840 DR position is LAT 26ø21.0' S, LONG 78ø39.0' E. What is the time of the second estimate of LAN by ship's clocks? 1216: It is 8 March 1981 and you are keeping zone time -3. You are on course 104ø T, speed 21 knots. Your 0830 DR position is LAT 25ø35.0' S, LONG 66ø34.0' E. What is the time of the second estimate of LAN by ship's clocks? 1217: It is 31 October 1981, and you are keeping zone time -12. You are on course 095ø T, speed 24 knots. Your 0730 DR position is LAT 29ø20.0' N, LONG 178ø54.0' E. What is the time of the second estimate of LAN by ship's clocks? 1218: It is 22 February 1981, and you are keeping zone time +12. You are on course 267ø T, speed 22 knots. Your 0800 DR position is LAT 28ø15.0' N, LONG 179ø18.0' W. What is the time of the second estimate of LAN by ship's clocks? 1220: Anchorage regulations for this area may be obtained from __________. 1251: On 16 August 1981, your 1600 ZT DR position is LAT 26ø17.0' N, LONG 165ø17.0' E. You are on course 301ø T at a speed of 15 knots. What will be the zone time of sunset at your vessel? 1252: On 13 August 1981, your 0345 ZT DR position is LAT 21ø35.0' N, LONG 135ø26.0' W. You are on course 052ø T at a speed of 14 knots. What will be the zone time of sunrise at your vessel? 1253: On 8 August 1981, your 0400 ZT DR position is LAT 23ø16.0' S, LONG 105ø33.0' W. You are on course 295ø T at a speed of 25 knots. What will be the zone time of sunrise at your vessel? 1254: On 19 July 1981, your 1500 ZT DR position is LAT 28ø25.0' N, LONG 120ø28.0' W. You are on course 233ø T at a speed of 10 knots. What will be the zone time of sunset at your vessel? 1255: On 12 June 1981, your 0400 ZT DR position is LAT 22ø31.0' N, LONG 31ø45.0' W. You are on course 240ø T at a speed of 16.5 knots. What will be the zone time of sunrise at your vessel? 1256: On 17 May 1981, your 0300 ZT DR position is LAT 27ø21.0' N, LONG 146ø14.0' E. You are on course 107ø T at a speed of 18 knots. What will be the zone time of sunrise at your vessel? 1257: On 5 May 1981, your 1300 ZT DR position is LAT 25ø16.0' S, LONG 12ø30.0' W. You are on course 012ø T at a speed of 14 knots. What will be the zone time of sunset at your vessel? 1258: On 28 April 1981, your 1600 ZT DR position is LAT 26ø21.0' S, LONG 68ø42.0' E. You are on course 072ø T at a speed of 17 knots. What will be the zone time of sunset at your vessel? 1259: On 10 April 1981, your 1630 ZT DR position is LAT 21ø03.0' N, LONG 63ø11.0' W. You are on course 324ø T at a speed of 22 knots. What will be the zone time of sunset at your vessel? 1260: On 16 March 1981, your 0330 ZT DR position is LAT 22ø36.0' S, LONG 76ø16.0' E. You are on course 098ø T at a speed of 16 knots. What will be the ZT of sunrise at your vessel? 1261: On 16 February 1981, your 0300 ZT DR position is LAT 28ø32.0' S, LONG 176ø49.0' E. You are on course 082ø T at a speed of 21 knots. What will be the zone time of sunrise at your vessel? 1262: On 27 September 1981, your 0345 ZT DR position is LAT 26ø18.0' S, LONG 4ø18.0' W. You are on course 271ø T at a speed of 15 knots. What will be the zone time of sunrise at your vessel? 1263: On 18 October 1981, your 1330 ZT DR position is LAT 27ø32.0'N, LONG 154ø47.0' W. You are on course 115ø T at a speed of 20 knots. What will be the zone time of sunset at your vessel? 1264: On 17 November 1981, your 1530 ZT DR position is LAT 27ø13.0' S, LONG 153ø21.0' W. You are on course 261ø T at a speed of 14 knots. What will be the ZT of sunset at your vessel? 1265: On 22 November 1981, your 1400 ZT DR position is LAT 22ø16.0' N, LONG 136ø37.0' E. You are on course 038ø T at a speed of 22 knots. What will be the zone time of sunset at your vessel? 1266: On 1 December 1981, your 1600 ZT DR position is LAT 22ø48.0' S, LONG 91ø26.0' E. You are on course 327ø T at a speed of 16 knots. What will be the zone time of sunset at your vessel? 1267: On 10 December 1981, your 1300 zone time (ZT) DR position is LAT 26ø27.0' S, LONG 79ø04.0' E. You are on course 068ø T at a speed of 14 knots. What will be the zone time of sunset at your vessel? 1268: On 25 December 1981, your 0330 ZT DR position is LAT 25ø15.0' N, LONG 32ø16.0' W. You are on course 145ø T at a speed of 20 knots. What will be the zone time of sunrise at your vessel? 1269: At 1400 zone time, on 11 April 1981, your DR position is LAT 25ø40' N, LONG 91ø00' W. You are steering 180ø T at a speed of 10.0 knots. What is your zone time of sunset? 1270: At 0500 zone time, on 21 August 1981, your DR position is LAT 47ø00' N, LONG 125ø15' W. You are steering 000ø T at a speed of 9.8 knots. What is the zone time of sunrise? 1271: At 0400 zone time, on 24 June 1981, your DR position is LAT 23ø10.0' N, LONG 085ø33' W. You are steering 295ø T at a speed of 10.0 knots. What is the zone time of sunrise? 1272: At 1800 zone time, on 7 December 1981, your DR position is LAT 22ø48' S, LONG 91ø26' W. You are steering 320ø T at a speed of 14.0 knots. What is the zone time of sunset? 1273: At 1544 zone time, on 5 October 1981, your DR position is LAT 25ø00' N, LONG 60ø15' W. You are steering 270ø T at a speed of 6.8 knots. What is the zone time of sunset? 1274: On 13 February 1981, at 0325 zone time, your DR position is LAT 23ø20' N, LONG 155ø15' W. You are steering 240ø T at a speed of 13.6 knots. What is the zone time of sunrise? 1275: At 1730 zone time, on 3 March 1981, your DR position is LAT 16ø00' S, LONG 80ø00' W. You are steering 000ø T at a speed of 7.5 knots. What is the zone time of sunset? 1276: Your 0000 zone time position on 13 June 1981 is LAT 24ø35' N, LONG 142ø26' E. Your vessel is on course 245ø T, speed is 13.5 knots. What is the zone time of sunrise? 1277: On 22 June 1981, your 0400 zone time DR position is LAT 23ø00' N, LONG 81ø45' W. You are steaming on course 110ø T at a speed of 8.6 knots. What will be the zone time of sunrise at your vessel? 1278: On 17 April 1981, your vessel is enroute from the Panama Canal to Kobe, Japan. Your 0400 zone time DR position is LAT 26ø12.0' N, LONG 126ø12.0' W. Your vessel is on course 285ø T at a speed of 18 knots. What will be the zone time of sunrise at your vessel? 1279: At 0327 ZT, on 29 May 1981, your DR position is LAT 25ø00' N, LONG 64ø15' W. You are steering 270ø T at a speed of 13.6 knots. What is the zone time of sunrise? 1280: On 27 March 1981, your 0330 zone time DR position is LAT 23ø32' N, LONG 154ø47' E. Your vessel is on a course of 105ø T at a speed of 20 knots. What will be the zone time of sunrise at your vessel? 1281: On 2 January 1981, you are on a course of 094ø T at a speed of 20 knots. At 0430 ZT, your DR position is LAT 24ø12' N, LONG 71ø24' W. Determine the zone time of sunrise. 1282: On 1 November 1981, your 1600 zone time DR position is LAT 27ø48' S, LONG 91ø26' E. Your vessel is on a course of 327ø T at a speed of 16 knots. What will be the zone time of sunset at your vessel? 1283: On 5 May 1981, your 1800 ZT DR position is LAT 26ø11.5' N, LONG 65ø35.0' W. You are on course 270ø T at a speed of 12 knots. What will be the ZT of sunset at your vessel? 1284: On 10 November 1981, your 1630 zone time DR position is LAT 25ø10.0' N, LONG 71ø12.0' W. You are on course 335ø T at a speed of 24 knots. What will be the zone time of sunset at your vessel? 1285: On 28 June 1981, your 1820 ZT DR position is LAT 16ø00.0' N, LONG 31ø00.0' W. You are on course 310ø T at a speed of 18 knots. What will be the zone time of sunset at your vessel? 1351: On 9 March 1981, your 1700 ZT DR position is LAT 22ø17' S, LONG 168ø12' E. You are on course 343ø T, and your speed is 14.9 knots. The zone time of Moonset _____. 1352: On 16 October 1981, your 1500 DR position is LAT 22ø16' N, LONG 56ø28' W. You are on course 018ø, speed 16.2 knots. What is the zone time of Moonrise? 1353: On 21 June 1981, your 0400 DR position is LAT 22ø16' S, LONG 156ø28' E. You are on course 078ø, speed 14.5 knots. What is the zone time of Moonset? 1354: On 25 March 1981, your 0500 DR position is LAT 22ø21.0' S, LONG 177ø33.2' W. You are on course 198ø, speed 15.0 knots. What is the zone time of Moonset? 1355: On 26 April 1981, your 2000 ZT DR position is LAT 22ø19.0' N, LONG 172ø10.1' E. You are on course 258ø, speed 13.5 knots. What is the time of Moonrise at your vessel? 1356: On 15 September 1981, your 0400 DR position is LAT 22ø22.0 N, LONG 128ø39.9' W. You are on course 295ø, speed 14.8 knots. What is the zone time of Moonset? 1357: On 30 January 1981, your 2100 DR position is LAT 22ø26.0' S, LONG 158ø50.1' E. You are on course 115ø speed 15.5 knots. What is the zone time of Moonrise? 1359: On 3 November 1981, your 2100 DR position is LAT 23ø28.9' N, LONG 132ø51.0' E. You are on course 280ø, speed 18.0 knots. What is the ZT of Moonset? 1360: On 4 November 1981, your 2200 DR position is LAT 23ø37.0' N, LONG 153ø59.0' W. You are on course 100ø, speed 13.0 knots. What is the zone time of Moonset? 1361: On 6 August 1981, your 2200 DR position is LAT 23ø26.5' S, LONG 40ø39.0' W. You are on course 066ø T at a speed of 14.0 knots. What is the zone time of Moonset? 1362: On 6 August 1981, your 2000 DR position is LAT 23ø01.5' S, LONG 141ø18.0' E. You are on course 245ø, speed 12.0 knots. What is the zone time of Moonset? 1363: You are taking a time tick using the 1400 signal from Buenos Aires, Argentina. You hear a 0.4 second dash followed by a series of dots, noting that the 29th and the 56th to 59th dots are omitted. At the start of the following 0.4 second dash (which is followed by an 8 second pulse), the comparing watch reads 02h 00m 15s. When compared to the chronometer, the comparing watch reads 02h 01m 29s, and the chronometer reads 01h 59m 50s. What is the chronometer error? 1451: On 11 December 1981, your 1816 ZT DR position is LAT 26ø30.0' N, LONG 140ø35.0' E. At that time, you observe Venus bearing 230ø pgc. The chronometer reads 09h 14m 52s and the chronometer error is 01m 02s slow. The variation is 3.5ø E. What is the gyro error? 1452: On 6 November 1981, your 0752 zone time DR position is LAT 25ø11.0' N, LONG 76ø07.0' W. At that time, you observe the Sun bearing 119ø psc. The chronometer reads 00h 53m 07s, and the chronometer error is 01m 19s fast. The variation is 3ø W. What is the deviation of the standard magnetic compass? 1453: On 15 October 1981, your 0325 zone time DR position is LAT 26ø51.0' N, LONG 138ø17.0' W. At that time, you observe Canopus bearing 167ø pgc. The chronometer reads 00h 25m 36s, and the chronometer error is 00m 20s slow. The variation is 2ø E. What is the gyro error? 1454: On 4 October 1981, your 0734 zone time DR position is LAT 24ø11.0' N, LONG 162ø34.0' E. At that time, you observe the Sun bearing 105.5ø psc. The chronometer reads 08h 36m 11s, and the chronometer error is 01m 46s fast. The variation is 7ø W. What is the deviation of the standard compass? 1455: On 4 October 1981, your 1907 zone time DR position is LAT 25ø15.0' S, LONG 105ø44.0' E. At that time, you observe Deneb bearing 011.5ø psc. The chronometer reads 00h 07m 42s, and the chronometer error is 00m 36s fast. The variation is 7.5ø W. What is the deviation of the standard compass? 1456: On 12 September 1981, your 0736 zone time DR position is LAT 28ø34.0' S, LONG 174ø49.0' E. At that time, you observe the Sun bearing 084ø per standard magnetic compass (psc). The chronometer reads 07h 38m 11s, and the chronometer error is 01m 46s fast. The variation is 11ø W. What is the deviation of the standard magnetic compass? 1457: On 25 August 1981, your 1926 zone time DR position is LAT 24ø17.0' S, LONG 05ø47.0' W. At that time, you observe Fomalhaut bearing 117ø psc. The chronometer reads 07h 26m 52s, and the chronometer error is 00m 15s fast. The variation is 1.5ø E. What is the deviation of the standard magnetic compass? 1458: On 6 August 1981, your 1552 zone time DR position is LAT 24ø26.0' S, LONG 73ø19.0' E. At that time, you observe the Sun bearing 302ø psc. The chronometer reads 10h 55m 07s, and the chronometer error is 02m 38s fast. The variation is 6ø E. What is the deviation of the standard magnetic compass? 1459: On 28 July 1981, your 1937 zone time DR position is LAT 26ø13.0' N, LONG 78ø27.0' E. At that time, you observe Deneb bearing 048.7ø pgc. The chronometer reads 02h 37m 42s, and the chronometer error is 00m 15s fast. The variation is 4ø W. What is the gyro error? 1460: On 27 June 1981, your 1905 ZT DR position is LAT 24ø35.0' N, LONG 50ø15.0' W. At that time, you observe Saturn bearing 211ø pgc. The chronometer reads 10h 04m 26s and the chronometer error is 01m 20s slow. The variation is 4.5ø E. What is the gyro error? 1461: On 27 June 1981, your 0734 zone time DR position is LAT 22ø14.0' N, LONG 53ø52.0' W. At that time, you observe the Sun bearing 069.5ø psc. The chronometer reads 11h 32m 51s and the chronometer error is 01m 26s slow. The variation is 5ø E. What is the deviation of the standard magnetic compass? 1462: On 17 June 1981, your 0815 zone time DR position is LAT 25ø27.0' N, LONG 47ø16.0' W. At that time, you observe the Sun bearing 079.5ø psc. The chronometer reads 11h 15m 03s, and the chronometer error is 01m 15s fast. The variation is 3ø E. What is the deviation of the standard magnetic compass? 1463: On 26 May 1981, your 0723 zone time DR position is LAT 24ø50.0' N, LONG 38ø11.0' W. At that time, you observe the Sun bearing 076.5ø psc. The chronometer reads 10h 25m 43s, and the chronometer error is 02m 57s fast. The variation is 7ø W. What is the deviation of the standard magnetic compass? 1464: On 17 May 1981, your 1554 zone time DR position is LAT 26ø33.0' N, LONG 65ø46.0' W. At that time, you observe the Sun bearing 269ø psc. The chronometer reads 07h 55m 47s, and the chronometer error is 01m 14s fast. The variation is 3ø W. What is the deviation of the standard magnetic compass? 1465: On 22 April 1981, your 0344 zone time DR position is LAT 21ø16.0' N, LONG 107ø32.0' W. At that time, you observe Spica bearing 236ø psc. The chronometer reads 10h 45m 16s, and the chronometer error is 00m 25s fast. The variation is 7.5ø E. What is the deviation of the standard compass? 1466: On 21 April 1981, your 1542 zone time DR position is LAT 28ø54.0' S, LONG 19ø07.0' W. At that time, you observe the Sun bearing 299ø psc. The chronometer reads 04h 44m 11s, and the chronometer error is 01m 54s fast. The variation is 3ø E. What is the deviation of the standard compass? 1467: On 17 April 1981, your 1610 ZT DR position is LAT 22ø07.0' N, LONG 158ø16.0' W. At that time, you observe the Sun bearing 271ø psc. The chronometer reads 03h 08m 52s, and the chronometer error is 01m 16s slow. The variation is 4ø E. What is the deviation of the standard magnetic compass? 1468: On 17 April 1981, your 1516 zone time DR position is LAT 27ø24.0' N, LONG 115ø24.0' E. At that time, you observe the Sun bearing 247ø psc. The chronometer reads 07h 16m 26s, and the chronometer error is 00m 32s slow. The variation is 4.5ø E. What is the deviation of the standard compass? 1469: On 2 March 1981, your 2216 ZT DR position is LAT 21ø20.0' S, LONG 17ø10.0' W. At that time, you observe Saturn bearing 078ø psc. The chronometer reads 11h 14m 04s, and the chronometer error is 02m 20s slow. The variation is 4.5ø W. What is the deviation of the standard compass? 1470: On 1 March 1981, your 2135 zone time DR position is LAT 23ø54.0' N, LONG 63ø22.0' W. At that time, you observe Schedar bearing 328ø psc. The chronometer reads 01h 35m 16s, and the chronometer error is 00m 07s slow. The variation is 3.5ø E. What is the deviation of the standard compass? 1471: On 21 February 1981, your 0823 zone time DR position is LAT 21ø44.0' S, LONG 80ø14.0' E. At that time, you observe the Sun bearing 096ø psc. The chronometer reads 03h 25m 19s, and the chronometer error is 01m 52s fast. The variation is 5ø W. What is the deviation of the standard magnetic compass? 1472: On 9 February 1981, your 0739 zone time DR position is LAT 23ø31.0' N, LONG 143ø41.0' E. At that time, you observe the Sun bearing 104.5ø psc. The chronometer reads 09h 37m 12s, and the chronometer error is 01m 52s slow. The variation is 3.5ø W. What is the deviation of the standard magnetic compass? 1473: On 26 January 1981, your 1615 ZT DR position is LAT 27ø14.0' S, LONG 57ø22.0' W. At that time, you observe the Sun bearing 266ø psc. The chronometer reads 08h 13m 19s, and the chronometer error is 01m 46s slow. The variation is 4ø E. What is the deviation of the standard magnetic compass? 1474: On 14 January 1981, your 0746 zone time DR position is LAT 26ø37.0' N, LONG 153ø19.0' W. At that time, you observe the Sun bearing 123ø psc. The chronometer reads 05h 49m 16s, and the chronometer error is 02m 29s fast. The variation is 3ø W. What is the deviation of the standard magnetic compass? 1475: On 26 February 1981, your vessel's 1615 ZT DR position is LAT 25ø14' S, LONG 57ø22' W, when an azimuth of the Sun is observed. The chronometer time of the sight is 8h 13m 19s, and the Sun is bearing 266.0ø per standard magnetic compass. The chronometer error is 01m 46s slow, and the variation in the area is 6ø E. What is the deviation of the standard compass? 1476: On 16 September 1981, your vessel's 0736 zone time DR position is LAT 27ø34' S, LONG 174ø49' E, when an azimuth of the Sun is observed. The chronometer time of the sight is 07h 38m 11s, and the Sun is bearing 079.8ø per gyrocompass. The chronometer error is 01m 46s fast, and the variation in the area is 11.0ø W. At the time of the sight, the helmsman reports that he was heading 252ø pgc and 258ø per magnetic compass. What is the deviation of the magnetic compass? 1477: On 27 June 1981, your vessel's 0816 ZT DR position is LAT 22ø14' S, LONG 53ø52' W, when an azimuth of the Sun is observed. The chronometer time of the sight is 12h 15m 02s, and the Sun is bearing 047.5ø per standard magnetic compass. The chronometer error is 00m 46s slow, and the variation in the area is 6.0ø E. What is the deviation of the standard magnetic compass? 1478: On 12 June 1981, at 0919 zone time, your position is LAT 26ø52' N, LONG 84ø34' W. The chronometer reads 03h 17m 00s. Chronometer error is 01m 40s slow. At that time, an azimuth of the Sun is obtained. The bearing is 089.5ø per standard magnetic compass. Variation for this area is 4.5ø E. What is the deviation of the standard magnetic compass? 1479: On 6 November 1981, your vessel's 0706 zone time DR position is LAT 25ø30.0' N, LONG 85ø35.0' W, when an azimuth of the Sun is observed. The chronometer time of the sight is 01h 03m 30s, and the Sun is bearing 114.0ø pgc. The chronometer error is 02m 30s slow, and the variation in the area is 2ø E. What is the gyro error? 1480: On 28 November 1981, your vessel's 0712 zone time DR position is LAT 26ø54' S, LONG 45ø18' W, when you take an azimuth of the Sun. Determine the gyro error using the azimuth information. Chronometer time: 10h 09m 18s Chronometer error: slow 02m 54s Gyro bearing: 102ø 1481: On 24 May 1981, your vessel's 1000 ZT position is LAT 25ø36.0' N, LONG 118ø39.5' W, when you take an azimuth of the Sun. Determine the gyro error using the azimuth information. Chronometer time: 06h 21m 48s Chronometer error: fast 01m 36s Gyro bearing: 099.4ø Variation: 11.1ø E 1482: On 20 July 1981, your vessel's 1626 zone time DR position is LAT 27ø13.0' N, LONG 63ø42.0' W, when you take an azimuth of the Sun. Determine the gyro error using the azimuth information. Chronometer time: 08h 24m 18s Chronometer error: slow 02m 12s Gyro bearing: 279.3ø Variation: 15ø W 1483: On 31 May 1981, your vessel's 1420 zone time DR position is LAT 29ø06' N, LONG 120ø06' W, when an azimuth of the Sun is observed. The bearing of the Sun per standard magnetic compass was 255.3ø. The chronometer time of the observation is 10h 17m 24s. The chronometer error is 02m 32s slow. The variation for this area is 12.9ø E. What is the deviation of the standard magnetic compass? 1484: On 7 December 1981, your vessel's 0835 zone time DR position is LAT 28ø30.0' N, LONG 125ø39.3' W, when an azimuth of the Sun is observed. The chronometer time of the sight is 04h 34m 48s, and the Sun is bearing 113ø per standard magnetic compass. The chronometer error is 01m 24s slow, and the variation in the area is 13.0ø E. What is the deviation of the standard magnetic compass? 1485: On 6 October 1981, your 0416 zone time DR position is LAT 25ø16.0' N, LONG 130ø25.0' E. At that time, you observe Mars bearing 083ø psc. The chronometer reads 07h 16m 22s, and the chronometer error is 00m 10s fast. The variation is 1.5ø E. What is the deviation of the standard compass? 1486: On 1 September 1981, your 1115 zone time DR position is LAT 25ø20.0' N, LONG 28ø24.0' W. At that time, you observe the Sun bearing 160.5ø psc. The chronometer reads 01h 14m 58s, and the chronometer error is 01m 17s fast. The variation is 13.5ø W. What is the deviation of the standard compass? 1487: On 5 June 1981, your 0420 zone time DR position is LAT 26ø47.0' N, LONG 133ø19.5' W. At that time, you observe Vega bearing 298.1ø psc. The chronometer reads 01h 21m 17s, and the chronometer error is 02m 25s fast. The variation is 3.5ø E. What is the deviation of the standard compass? 1488: At 2326 ZT, on 22 June 1981, your vessel's position is LAT 28ø30' N, LONG 150ø04' W. An azimuth of the planet Jupiter is observed, and the standard compass bearing is 250.4ø. The chronometer reads 09h 24m 36s and is 01m 12s slow. The variation of this area is 13.5ø E. What is the deviation of the standard compass? 1489: On 23 July 1981, your 2100 ZT position is LAT 36ø43.0' N, LONG 16ø09.8 W, when you observed an azimuth of Polaris to determine the compass error. Polaris bears 359.0ø per gyrocompass. At the time of the observation, the helmsman noted that he was heading 319.0ø per gyrocompass and 331.0ø per standard compass. Variation is 12.0ø W. Which of the following statements is TRUE? 1490: On 11 January 1981, your 0450 ZT position is LAT 38ø42' N, LONG 14ø16' W. You observe Polaris bearing 358.5ø pgc. At the time of the observation the helmsman noted that he was heading 160ø pgc and 173ø psc. The variation is 9ø W. What is the deviation for that heading? 1491: On 5 February 1981, your 2320 ZT position is LAT 52ø28' N, LONG 23ø48' W. You observe Polaris bearing 000.2ø pgc. At the time of the observation the helmsman noted that he was heading 224ø pgc and 244ø psc. The variation is 20ø W. What is the deviation for that heading? 1492: On 22 February 1981, your 2045 ZT position is LAT 33ø19' N, LONG 52ø06' W. You observe Polaris bearing 358.1ø pgc. At the time of the observation the helmsman noted that he was heading 048ø pgc and 065ø psc. The variation is 19ø W. What is the deviation for that heading? 1493: On 11 July 1981, your 0240 ZT position is LAT 14ø52' N, LONG 34ø23' W. You observe Polaris bearing 359.8ø pgc. At the time of the observation the helmsman noted that he was heading 279ø pgc and 299ø psc. The variation is 19ø W. What is the deviation for that heading? 1494: On 5 August 1981, your 0310 ZT position is LAT 09ø02' N, LONG 21ø08' W. You observe Polaris bearing 002ø pgc. At the time of the observation the helmsman noted that he was heading 316ø pgc and 329ø psc. The variation is 15ø W. What is the deviation for that heading? 1495: On 9 September 1981, your 2043 ZT position is LAT 24ø18' N, LONG 66ø46' W. You observe Polaris bearing 001ø pgc. At the time of the observation the helmsman noted that he was heading 031ø pgc and 040ø psc. The variation is 11ø W. What is the deviation for that heading? 1496: On 3 October 1981, your 2122 ZT position is LAT 26ø32' N, LONG 84ø26' W. You observe Polaris bearing 359.8ø pgc. At the time of the observation the helmsman noted that he was heading 106ø pgc and 107ø psc. The variation is 0ø. What is the deviation for that heading? 1497: On 19 November 1981, your 0146 ZT position is LAT 33ø48' N, LONG 25ø22' E. You observe Polaris bearing 359.8ø pgc. At the time of the observation the helmsman noted that he was heading 224ø pgc and 222.5ø psc. The variation is 2ø E. What is the deviation for that heading? 1498: On 7 December 1981, your 0350 ZT position is LAT 35ø42' N, LONG 17ø38' E. You observe Polaris bearing 359.7ø pgc. At the time of the observation the helmsman noted that he was heading 016ø pgc and 014ø psc. The variation is 1ø E. What is the deviation for that heading? 1499: On 16 June 1981, your 0430 zone time DR position is LAT 29ø24.0' S, LONG 36ø16.0' E. At that time, you observe Vega bearing 341.0ø psc. The chronometer reads 02h 32m 06s, and the chronometer error is 01m 54s fast. The variation is 20.5ø W. What is the deviation? 1500: On September 9 1981, your 2130 zone time (ZD +5) DR position is LAT 45ø08' N, LONG 82ø38' W. At that time, you observe Polaris bearing 000.5² pgc. The chronometer time of the observation is 02h 26m 09s, and the chronometer is 1m 43s slow. The variation is 8.7ø W. What is the gyro error? 1501: On 3 October 1981, your 0330 zone time (ZD + 5) DR position is LAT 47ø41' N, LONG 86ø49' W. At that time, you observe Polaris bearing 357.5ø pgc. The chronometer time of the observation is 08h 32m 04s, and the chronometer is 0m 27s slow. The variation is 5.5ø W. What is the gyro error? 1502: On May 20 1981, your 2300 zone time (ZD +5) DR position is LAT 42ø07' N, LONG 81ø02' W. At that time, you observe Polaris bearing 012ø psc. The chronometer time of the observation is 03h 02m 23s, and the chronometer is 1m 17s fast. The variation is 9.5ø W. What is the deviation of the magnetic compass? 1503: On 30 July 1981, your 0200 zone time (ZD +4) DR position is LAT 43ø48' N, LONG 78ø00 W. At that time, you observe Polaris bearing 008.7ø psc. The chronometer time of the observation is 05h 58m 07s, and the chronometer is 0m 23s slow. The variation is 10.5ø W. What is the deviation of the magnetic compass? 1642: From your 2129 position you reduce engine speed to 14 knots. What is the course to make good from your 2129 position to arrive 0.3 mile north of Lighted Whistle Buoy "NCA" (LL#375) assuming no set and drift? 1644: From your 2207 position you adjust your course to arrive 0.3 mile north of Lighted Whistle Buoy "NCA". If you make good 14 knots, at what time will Cape Charles Light be abeam? 1650: On 22 October 1981, in DR position LAT 21ø51.0' S, LONG 76ø24.0' E, you observe an amplitude of the Sun. The Sun's center is on the visible horizon and bears 256ø psc. The chronometer reads 01h 01m 25s and is 01m 15s fast. Variation for the area is 2ø E. What is the deviation of the standard magnetic compass? 1651: On 23 October 1981, in DR position LAT 21ø13.0' N, LONG 152ø18.0' E, you observe an amplitude of the Sun. The Sun's center is on the visible horizon and bears 259ø psc. The chronometer reads 07h 21m 46s and is 01m 32s slow. Variation in the area is 5ø E. What is the deviation of the magnetic compass? 1652: On 16 April 1981, in DR position LAT 28ø07.0' N, LONG 81ø47.0' W, you observe an amplitude of the Sun. The Sun's center is on the visible horizon and bears 073.5ø psc. The chronometer reads 10h 53m 41s and is 02m 23s slow. Variation in the area is 11ø E. What is the deviation of the magnetic compass? 1653: On 28 Sept. 1981, in DR position LAT 24ø12.0' S, LONG 85ø25.0' E, you observe an amplitude of the Sun. The Sun's center is on the visible horizon and bears 094ø psc. The chronometer reads 11h 29m 42s and is 03m 30s slow. Variation in the area is 4ø W. What is the deviation of the magnetic compass? 1654: On 28 September 1981, in DR position LAT 27ø16.7' S, LONG 113ø27.2' W, you observe an amplitude of the Sun. The Sun's center is on the celestial horizon and bears 273ø psc. The chronometer reads 01h 17m 26s and is 01m 49s slow. Variation in the area is 6ø W. What is the deviation of the standard magnetic compass? 1657: On 24 August 1981, in DR position LAT 26ø49.4' N, LONG 146ø19.4' E, you observe an amplitude of the Sun. The Sun's center is on the celestial horizon and bears 084ø psc. The chronometer reads 07h 55m 06s and is 01m 11s fast. Variation in the area is 15ø W. What is the deviation of the magnetic compass? 1658: On 23 August 1981, in DR position LAT 24ø07.0' N, LONG 136ø16.0' E, you observe an amplitude of the Sun. The Sun's center is on the visible horizon and bears 074.5ø psc. The chronometer reads 08h 56m 19s and is 02m 34s fast. Variation in the area is 2ø W. What is the deviation of the magnetic compass? 1659: On 15 July 1981, in DR position LAT 22ø19.0' N, LONG 154ø37.0' W, you observe an amplitude of the Sun. The Sun's center is on the visible horizon and bears 298ø psc. The chronometer reads 04h 45m 19s and is 01m 56s slow. Variation in the area is 7.5ø W. What is the deviation of the standard magnetic compass? 1660: On 23 June 1981, in DR position LAT 21ø39.0' S, LONG 106ø28.0' W, you observe an amplitude of the Sun. The Sun's center is on the celestial horizon and bears 078ø psc. The chronometer reads 02h 14m 39s and is 01m 43s slow. Variation in the area is 9ø W. What is the deviation of the standard magnetic compass? 1661: On 11 May 1981, in DR position LAT 28ø13.7' N, LONG 168ø36.3' E, you observe an amplitude of the Sun. The Sun's center is on the celestial horizon and bears 283ø psc. The chronometer reads 07h 13m 19s and is 02m 56s slow. Variation in the area is 13ø E. What is the deviation of the standard magnetic compass? 1662: On 5 September 1981, in DR position LAT 23ø17.0' S, LONG 154ø35.0' E, you observe an amplitude of the Sun. The Sun's center is on the visible horizon and bears 275ø per standard magnetic compass. The chronometer reads 07h 49m 26s and is 01m 52s fast. Variation in the area is 3ø W. What is the deviation of the standard magnetic compass? 1663: On 7 April 1981, in DR position LAT 27ø42.0' N, LONG 114ø03.0' W, you observe an amplitude of the Sun. The Sun's center is on the celestial horizon and bears 076ø psc. The chronometer reads 02h 10m 17s and is 01m 52s slow. Variation in the area is 8ø E. What is the deviation of the standard magnetic compass? 1664: On 10 February 1981 in DR position LAT 25ø32.0' N, LONG 135ø15.0' E, you observe an amplitude of the Sun. The Sun's center is on the celestial horizon and bears 109ø psc. The chronometer reads 09h 43m 25s and is 03m 20s fast. Variation in the area is 4.5ø W. What is the deviation of the standard magnetic compass? 1665: On 11 January 1981, your vessel's 0655 zone time DR position is LAT 24ø30' N, LONG 122ø02' W, when an amplitude of the Sun is observed. The Sun's center is on the celestial horizon and bears 101.0ø per standard compass. Variation in the area is 11.6ø E. The chronometer reads 02h 52m 48s and is 02m 12s slow. What is the deviation of the standard compass? 1666: On 23 October 1981, your vessel's 1722 zone time DR position is LAT 27ø36' S, LONG 96ø16' W, when an amplitude of the Sun is observed. The Sun's lower limb is about 20 minutes of arc above the visible horizon and bears 246ø per standard compass. Variation in the area is 14.0ø E. The chronometer reads 11h 24m 19s and is 01m 43s fast. What is the deviation of the standard compass? 1667: On Sunday, 8 November 1981, your ship is enroute from Texas City, TX, to Portland, ME. At 0632 ZT, you fix your position by Loran at LAT 27ø06' N, LONG 90ø36' W. When the lower limb of the Sun was two-thirds of a diameter above the visible horizon, the Sun bore 105ø per standard magnetic compass. At this time the chronometer read 12h 39m 20s and is 3m 20s slow. If the variation is 3ø E, determine the deviation of the standard compass. 1668: On 20 June 1981, your vessel's 1955 ZT DR position is LAT 52ø38.9' N, LONG 03ø42.7' E, when an amplitude of the Sun is observed. The Sun's center is on the visible horizon and bears 311ø per gyrocompass. Variation in the area is 6ø W. At the time of the observation, the helmsman noted that he was heading 352ø per gyrocompass and 358² per steering compass. What is the gyro error and deviation for that heading? 1669: On 19 June 1981, your vessel's 0523 ZT DR position is LAT 25ø12.0' N, LONG 123ø14.0' W, when an amplitude of the Sun is observed. The Sun's center is on the visible horizon and bears 052.0ø per standard compass. Variation in the area is 15ø E. The chronometer reads 01h 21m 58s and is 01m 18s slow. What is the deviation of the standard compass? 1670: On 10 August 1981, your vessel's 0426 zone time DR position is LAT 52ø07' N, LONG 142ø16' E, when an amplitude of the Sun is observed. The Sun's lower limb is about 20 minutes of arc above the visible horizon and bears 074.5ø per standard compass. Variation in the area is 12ø W. The chronometer reads 07h 24m 19s and is 02m 34s fast. Which of the following is the deviation of the standard compass? 1671: On 9 May 1981, your vessel's 1809 ZT DR position is LAT 48ø13.7' N, LONG 168ø36.3' E, when an amplitude of the Sun is observed. The Sun's center is on the celestial horizon and bears 283.7ø per standard magnetic compass. Variation in the area is 13.0ø E. The chronometer reads 07h 13m 19s and is 02m 56s fast. What is the deviation of the standard compass? 1672: On 11 May 1981, your vessel's 1839 ZT position is LAT 17ø30' N, LONG 63ø55' W, when an amplitude of the Sun's center is observed on the celestial horizon bearing 301ø per standard magnetic compass. Variation for this area is 10.5ø W. The chronometer reads 10h 37m 10s and is 02m 08s slow. What is the deviation of the compass? 1673: On 17 April 1981, your vessel's position is LAT 21ø00' S, LONG 78ø30' W, when an amplitude of the Sun is observed. The Sun's center is on the celestial horizon and bears 082.7ø per standard magnetic compass. Variation in the area is 2.0ø W. The chronometer reads 10h 59m 24s and is 01m 24s fast. What is the deviation of the compass? 1674: On 4 July 1981, your vessel's 1722 zone time DR position is LAT 34ø30' S, LONG 174ø48' E, when an amplitude of the Sun is observed. The sun's center is on the visible horizon and bears 282ø per standard magnetic compass. Variation in the area is 17.2ø E. The chronometer reads 05h 21m 48s and is 02m 01s fast. What is the deviation of the compass? 1675: On 28 November 1981, your vessel's 0652 DR position is LAT 37ø30' N, LONG 124ø12' W, when an amplitude of the Sun is observed. The Sun's center is on the visible horizon and bears 103ø per standard magnetic compass. Variation in the area is 16.3ø E. The chronometer reads 14h 54m 18s and is 02m 06s fast. What is the deviation of the compass? 1676: On 10 June 1981, your vessel's 0519 zone time DR position is LAT 27ø07.0' N, LONG 92ø10.0' W, when an amplitude of the Sun is observed. The Sun's center is on the visible horizon and bears 063.6ø per standard magnetic compass. The variation in the area is 4.8ø E. The chronometer reads 11h 17m 32s and is 01m 18s slow. What is the deviation of the compass? 1677: On 23 August 1981, at 0604 ZT, in DR position LAT 16ø42.3' S, LONG 28ø19.3' W, you observed an amplitude of the Sun. The lower limb was a little above the horizon, and the Sun bore 076.0ø pgc. At the time of the observation, the helmsman reported that he was heading 143ø pgc and 167ø per standard magnetic compass. The variation in the area was 23ø W. What were the gyro error and deviation for that heading? 1678: On 2 January 1981, your vessel's 1848 zone time loran position is LAT 21ø42' S, LONG 39ø12' W, when an amplitude of the Sun is observed. The Sun's center is on the celestial horizon and bears 260ø per standard magnetic compass. Variation in the area is 19ø W. The chronometer reads 10h 44m 36s and is 03m 24s slow. What is the deviation of the standard magnetic compass? 1679: On 13 October 1981, your vessel's 1722 zone time DR position is LAT 27ø36' S, LONG 136ø16' E, when an amplitude of the Sun is observed. The Sun's center is on the celestial horizon and bears 266ø per standard magnetic compass. Variation in the area is 2ø W. The chronometer reads 08h 24m 19s and is 01m 43s fast. What is the deviation of the standard magnetic compass? 1680: On 31 October 1981, your 1700 zone time DR position is LAT 27ø17.0' N, LONG 116ø10.0' W, when an amplitude of the Sun is observed. The Sun's center is on the visible horizon and bears 246.5ø per standard magnetic compass. Variation in the area is 8.5ø E. The chronometer reads 01h 01m 23s and the chronometer error is 01m 54s slow. What is the deviation of the standard compass? 1681: On 8 December 1981, in DR position LAT 21ø56.1' S, LONG 17ø21.6' E you observe an amplitude of the Sun. The Sun's center is on the celestial horizon and bears 240.5ø psc. The chronometer reads 05h 27m 21s and is 00m 47s fast. Variation in the area is 3.3ø E. What is the deviation of the standard magnetic compass? 1682: On 11 May 1981, in DR position LAT 37ø06.0' N, LONG 45ø45.0' W you observe an amplitude of the Sun. The Sun's center is on the visible horizon and bears 089.0ø psc. The chronometer reads 07h 57m 06s and is 01m 48s slow. Variation in the area is 20.0ø W. What is the deviation? 1683: You are taking a time tick using the 1930 signal from Rio de Janeiro, Brazil. You hear the preparatory signal "CQ DE PPE" repeated several times followed by a short dash (0.4 sec), 60 dots (0.1 sec each) and another short dash. At the beginning of the last dash, the comparing watch reads 07h 30m 08s. When compared to the chronometer, the comparing watch reads 07h 31m 48s, and the chronometer reads 07h 32m 16s. What is the chronometer error? 1776: At 2231 ZT, on 14 July 1981, in DR position LAT 34ø06' S, LONG 149ø47' W you observe an amplitude of Jupiter. The planet is about one Sun's diameter above the visible horizon and bears 257.1ø psc. The variation is 15ø E. What is the deviation? 1777: At 2232 ZT, on 14 July 1981, in DR position LAT 33ø52' S, LONG 150ø03' W you observe an amplitude of Jupiter. The planet is about one Sun's diameter above the visible horizon and bears 268ø pgc. The variation is 15ø E. What is the gyro error? 1778: At 2234 ZT, on 14 July 1981, in DR position LAT 34ø03' N, LONG 150ø16' W you observe an amplitude of Saturn. The planet is about one Sun's diameter above the visible horizon and bears 272.1ø pgc. The variation is 14øE. What is the gyro error? 1779: At 2237 ZT, on 14 July 1981, in DR position LAT 33ø57' N, LONG 150ø32' W you observe an amplitude of Saturn. The planet is about one Sun's diameter above the visible horizon and bears 258.6ø psc. The variation is 14ø E. What is the deviation? 1780: At 1523 ZT, on 14 June 1981, in DR position LAT 31ø58' S, LONG 48ø42' W you observe an amplitude of the Moon. The center of the Moon is on the visible horizon and bears 118.0ø psc. The variation is 10ø W. What is the deviation? 1781: At 1524 ZT, on 14 June 1981, in DR position LAT 32ø03' W you observe an amplitude of the Moon. The center of the Moon is on the visible horizon and bears 103.9ø pgc. The variation is 10ø W. What is the gyro error? 1782: At 2043 ZT, on 13 October 1981, in DR position LAT 43ø57.3' S, LONG 147ø16.0' E, you observe an amplitude of Venus. The planet is about one Sun's diameter above the horizon and bears 236.2ø pgc. The variation is 15ø E. What is the gyro error? 1783: At 2048 ZT, on 13 October 1981, in DR position LAT 44ø02.8' S, LONG 146ø58.3' E, you observe an amplitude of Venus. The planet is about one Sun's diameter above the visible horizon and bears 222.2ø pgc. The variation is 15ø E. What is the deviation? 1851: On 23 September 1981, while taking stars for an evening fix, an unidentified star is observed bearing 261ø T at an observed altitude of 61ø35'. Your 1836 zone time DR position is LAT 25ø18' S, LONG 162ø36' E. The chronometer reads 07h 34m 12s, and the chronometer error is 01m 54s slow. Your vessel is steaming on a course of 230ø T at a speed of 18 knots. What star did you observe? 1852: On 26 November 1981, at 0535 ZT, while taking sights for a morning fix, you observe an unidentified planet bearing 074ø T at an observed altitude (Ho) of 38ø29.8'. Your DR position is LAT 27ø18.9' S, LONG 30ø18.4' E. The chronometer time of the sight is 03h 33m 16s, and the chronometer is 01m 48s slow. What planet did you observe? 1853: On 8 April 1981, while taking observations for an evening fix, you observe an unidentified star bearing 250.7ø T at an observed altitude of 51ø44.8'. Your DR position at the time of the sight was LAT 22ø16.0' N, LONG 157ø58.3' W. The chronometer reads 05h 09m 57s and is 01m 23s slow. What star did you observe? 1854: On 22 July 1981, your 1759 ZT DR position is LAT 24ø50.2' S, LONG 05ø16.0' E. You observe an unidentified star bearing 231ø T, at an observed altitude (Ho) of 26ø10.0'. The chronometer reads 06h 01m 31s and is 02m 15s fast. What star did you observe? 1855: On 22 July 1981, your 0442 ZT DR position is LAT 26ø35.6' N, LONG 22ø16.7' W. You observe an unidentified star bearing 112ø T, at an observed altitude (Ho) of 44ø16.0'. The chronometer reads 05h 39m 03s and is 03m 14s slow. What star did you observe? 1856: On 22 June 1981, your 0424 ZT DR position is LAT 26ø18.5' N, LONG 124ø18.2' W. You observe an unidentified star bearing 031ø T at an observed altitude (Ho) of 49ø26.0'. The chronometer reads 00h 23m 24s and is 01m 32s slow. What star did you observe? 1857: On 22 May 1981, your 0437 ZT DR position is LAT 25ø18.5' N, LONG 51ø18.0' W. You observe an unidentified star bearing 097ø T at an observed altitude (Ho) of 48ø20.0'. The chronometer reads 07h 40m 40s and is 03m 24s fast. What star did you observe? 1858: On 22 April 1981, your 1852 ZT DR position is LAT 23ø54.5' N, LONG 117ø36.8' W. You observe an unidentified star bearing 129ø T at an observed altitude (Ho) of 27ø10.0'. The chronometer reads 02h 54m 53s and is 02m 51s fast. What star did you observe? 1859: On 22 March 1981, your 0519 ZT DR position is LAT 27ø20.6' N, LONG 69ø25.6' W. You observe an unidentified star bearing 094ø T, at an observed altitude (Ho) of 30ø15.0'. The chronometer reads 10h 16m 47s and is 02m 15s slow. What star did you observe? 1860: On 22 March 1981, your 1834 ZT DR position is LAT 26ø13.5' S, LONG 108ø36.5' W. You observe an unidentified star bearing 077ø T, at an observed altitude (Ho) of 43ø10.5'. The chronometer reads 01h 32m 37s and is 01m 50s slow. What star did you observe? 1861: On 22 February 1981, your 1857 ZT DR position is LAT 23ø46.0' S, LONG 93ø16.5' E. You observe an unidentified star bearing 159ø T, at an observed altitude (Ho) of 34ø30.0'. The chronometer reads 01h 00m 35s and is 03m 25s fast. What star did you observe? 1862: On 14 January 1981, your 0550 ZT DR position is LAT 25ø26.0' N, LONG 38ø16.0' W. You observe an unidentified star bearing 004.5ø T, at an observed altitude (Ho) of 40ø10.0'. The chronometer reads 08h 48m 51s and is 01m 22s slow. What star did you observe? 1863: On 14 January 1981, your 1922 ZT DR position is LAT 27ø18.5' S, LONG 67ø18.0' E. You observe an unidentified star bearing 029ø T, at an observed altitude (Ho) of 29ø35.0'. The chronometer reads 03h 25m 43s and is 03m 15s fast. What star did you observe? 1864: At 0520 zone time, on 17 March 1981, while taking stars for a morning fix, you observe an unidentified star bearing 050ø T, at an observed altitude (Ho) of 45ø00.0'. Your DR position at the time of the sight is LAT 27ø23.0' N, LONG 39ø42.0² W. The chronometer time of the sight is 08h 22m 15s, and the chronometer error is 01m 45s fast. Your vessel is steaming on a course of 300ø T at a speed of 18 knots. What star did you observe? 1865: At 1845 zone time, on 17 March 1981, while taking stars for an evening fix, you observe an unidentified star bearing 200ø T at an observed altitude of 53ø45.0'. Your DR position at the time of the sight is LAT 25ø10.0' N, LONG 66ø48.0' W. The chronometer time of the sight is 10h 47m 49s, and the chronometer error is 1m 54s fast. Your vessel is steaming on a course of 290ø T at a speed of 18.0 knots. What star did you observe? 1866: On 12 June 1981, your 1945 DR position is LAT 21ø47' N, LONG 46ø52' W when you observe a faint unidentifiable star through a break in the clouds. The star bears 019.0ø T at a sextant altitude (hs) of 53ø56.2'. The index error is 0.5' on the arc, and the height of eye is 45 feet. The chronometer reads 09h 43m 27s, and the chronometer error is 1m 46s slow. What star did you observe? 1867: On 12 June 1981, your 1945 DR position is LAT 21ø47' N, LONG 46ø52' W when you observe a faint unidentifiable star through a break in the clouds. The star bears 162ø T at a sextant altitude (hs) of 28ø36.5'. The index error is 0.5' on the arc, and the height of eye is 45 feet. The chronometer reads 09h 43m 27s, and the chronometer error is 1m 46s slow. What star did you observe? 1868: On 12 June 1981, your 1945 DR position is LAT 21ø47.0' N, LONG 46ø52.0' W when you observe a faint unidentifiable star through a break in the clouds. The star bears 130ø T at a sextant altitude (hs) of 45ø21.2'. The index error is 0.5' on the arc, and the height of eye is 45 feet. The chronometer reads 10h 43m 27s, and the chronometer error is 1m 46s slow. What star did you observe? 1869: On 12 June 1981, your 1945 DR position is LAT 21ø47' N, LONG 46ø52' W when you observe a faint unidentifiable star through a break in the clouds. The star bears 282.5ø T at a sextant altitude (hs) of 14ø22.3'. The index error is 0.5' on the arc, and the height of eye is 45 feet. The chronometer reads 09h 43m 27s, and the chronometer error is 1m 46s slow. What star did you observe? 1870: On 12 June 1981, your 1845 DR position is LAT 21ø47' N, LONG 46ø52' W when you observe a faint unidentifiable star through a break in the clouds. The star bears 313ø T at a sextant altitude (hs) of 14ø56.3'. The index error is 0.5' on the arc, and the height of eye is 45 feet. The chronometer reads 09h 43m 27s, and the chronometer error is 1m 46s slow. What star did you observe? 1871: On 12 June 1981, your 1945 DR position is LAT 21ø47' N, LONG 46ø52' W when you observe a faint unidentifiable star through a break in the clouds. The star bears 270ø T at a sextant altitude (hs) of 65ø41.7'. The index error is 0.5' on the arc, and the height of eye is 45 feet. The chronometer reads 09h 43m 27s, and the chronometer error is 1m 46s slow. What star did you observe? 1872: On 12 June 1981, your 1945 DR position is LAT 21ø47' N, LONG 46ø52' W when you observe a faint unidentifiable star through a break in the clouds. The star bears 031ø T at a sextant altitude (hs) of 70ø10.3'. The index error is 0.5' on the arc, and the height of eye is 45 feet. The chronometer reads 09h 43m 27s, and the chronometer error is 1m 46s slow. What star did you observe? 1873: On 12 June 1981, your 1945 DR position is LAT 21ø47' N, LONG 46ø52' W when you observe a faint unidentifiable star through a break in the clouds. The star bears 174.0ø T at a sextant altitude (hs) of 18ø58.6'. The index error is 0.5² on the arc, and the height of eye is 45 feet. The chronometer reads 09h 43m 27s, and the chronometer error is 1m 46s slow. What star did you observe? 1874: On 2 October 1981, your 1845 DR position is LAT 28ø09.2' S, LONG 167ø48.1' E. You observe a faint star through a hole in the clouds at a sextant altitude (hs) of 25ø19.4' bearing 273ø T. The index error is 1.3' off the arc, and the height of eye is 42 feet. The chronometer reads 07h 46m 19s and is 0m 51s fast. What star did you observe? 1875: On 2 October 1981, your 1845 DR position is LAT 28ø09.2' S, LONG 167ø48.1' E. You observe a faint star through a hole in the clouds at a sextant altitude (hs) of 68ø03.6' bearing 154ø T. The index error is 1.3' off the arc, and the height of eye is 42 feet. The chronometer reads 07h 46m 19s and is 0m 51s fast. What star did you observe? 1876: On 2 October 1981, your 1845 DR position is LAT 28ø09.2' S, LONG 167ø48.1' E. You observe a faint star through a hole in the clouds at a sextant altitude (hs) of 11ø37.6' bearing 066ø T. The index error is 1.3' off the arc, and the height of eye is 42 feet. The chronometer reads 07h 46m 19s and is 0m 51s fast. What star did you observe? 1877: On 2 October 1981, your 1845 DR position is LAT 28ø09.2' S, LONG 167ø48.1' E. You observe a faint star through a hole in the clouds at a sextant altitude (hs) of 63ø29.1' bearing 237.5ø T. The index error is 1.3' off the arc, and the height of eye is 42 feet. The chronometer reads 07h 46m 19s and is 0m 51s fast. What star did you observe? 1878: On 13 September 1981, your 1830 ZT DR position was LAT 23ø03' S, LONG 105ø16' E when you observe a faint unidentifiable star through a hole in the clouds. The star bore 132.3ø T at a sextant altitude (hs) of 29ø34.6'. The chronometer read 11h 24m 39s and is 5m 08s slow. The index error is 1.0' off the arc, and the height of eye is 52 feet. What star did you observe? 1879: On 13 September 1981, your 1830 ZT DR position was LAT 23ø03' S, LONG 105ø16' E when you observed a faint unidentifiable star through a hole in the clouds. The star bore 351.5ø T at a sextant altitude (hs) of 62ø05.6'. The chronometer read 11h 24m 39s and is 5m 08s slow. The index error is 1.0' off the arc, and the height of eye is 52 feet. What star did you observe? 1880: On 13 September 1981, your 1830 ZT DR position was LAT 23ø03' S, LONG 105ø16' E when you observed a faint unidentifiable star through a hole in the clouds. The star bore 265.0ø T at a sextant altitude (hs) of 62ø25.4'. The chronometer read 11h 24m 39s and is 5m 08s slow. The index error is 1.0' off the arc, and the height of eye is 52 feet. What star did you observe? 1881: On 13 September 1981, your 1830 ZT DR position was LAT 23ø03' S, LONG 105ø16' E, when you observed a faint unidentifiable star through a hole in the clouds. The star bore 148.0ø T at a sextant altitude (hs) of 32ø24.3'. The chronometer read 11h 24m 39s and is 05m 08s slow. The index error is 1.0' off the arc, and the height of eye is 52 feet. What star did you observe? 1882: On 2 October 1981, your 1845 DR position was LAT 28ø09.2' S, LONG 167ø48.1' E. You observe a faint star through a hole in the clouds at a sextant altitude (hs) of 20ø45.6' T, bearing 201.5ø T. The index error is 1.3' off the arc, and the height of eye is 42 feet. The chronometer reads 07h 46m 19s and is 00m 51s fast. What star did you observe? 1883: On 13 June 1981, your 0445 DR position is LAT 20ø12.0' N, LONG 44ø45.0' W. You observe an unidentified star bearing 168ø T at an observed altitude (Ho) of 38ø56.0'. The chronometer reads 07h 43m 20s, and is 01m 39s slow. Which star did you observe? 1884: On 26 November 1981, your 0535 DR position is LAT 27ø18.9' S, LONG 30ø18.4' E. You observe an unidentified planet bearing 085ø T at an observed altitude (Ho) of 32ø15.2'. The chronometer reads 03h 33m 16s, and is 01m 48s slow. What planet did you observe? 1885: On 26 November 1981, your 0535 DR position is LAT 27ø18.9' S, LONG 30ø18.4' E. You observe an unidentified planet bearing 037ø T at an observed altitude (Ho) of 50ø06.4'. The chronometer reads 03h 33m 16s and is 01m 48s slow. What planet did you observe? 1886: On 8 April 1981, your evening DR position is LAT 22ø16' N, LONG 157ø58.3' W. You observe an unidentified star bearing 246ø T at an observed altitude (Ho) of 58ø45.5'. The chronometer reads 05h 09m 57s, and is 01m 23s slow. What star did you observe? 1887: On 8 April 1981, your evening DR position is LAT 22ø16.0' N, LONG 157ø58.3' W. You observe an unidentified star bearing 271ø T at an observed altitude (Ho) of 44ø08.2'. The chronometer reads 05h 09m 57s, and is 01m 23s slow. What star did you observe? 1888: On 8 April 1981, your evening DR position is LAT 22ø16.0' N, LONG 157ø58.3' W. You observe an unidentified star bearing 238øT at an observed altitude (Ho) of 50ø02.7'. The chronometer reads 05h 09m 57s, and is 01m 23s slow. What star did you observe? 1889: On 22 July 1981, your 1759 DR position is LAT 24ø50.2' S, LONG 05ø16.0' E. You observe an unidentified star bearing 293ø T at an observed altitude (Ho) of 17ø52.8'. The chronometer reads 06h 01m 31s, and is 02m 15s fast. What star did you observe? 1890: On 22 July 1981, your 1759 DR position is LAT 24ø50.2' S, LONG 05ø16.0' E. You observe an unidentified star bearing 100ø T at an observed altitude (Ho) of 61ø48.2'. The chronometer reads 06h 01m 31s, and is 02m 15s fast. What star did you observe? 1891: On 22 July 1981, your 1759 DR position is LAT 24ø50.2' S, LONG 005ø16.0' E. You observe an unidentified star bearing 203ø T at an observed altitude (Ho) of 28ø12.2'. The chronometer reads 06h 01m 31s, and is 02m 15s fast. What star did you observe? 1892: On 22 July 1981, your 0442 DR position is LAT 26ø35.6' N, LONG 22ø16.7' W. You observe an unidentified star bearing 091ø T at an observed altitude (Ho) of 64ø35.2'. The chronometer reads 05h 39m 03s, and is 03m 14s slow. What star did you observe? 1893: On 22 July 1981, your 0442 DR position is LAT 26ø35.6' N, LONG 22ø16.7' W. You observe an unidentified star bearing 104ø T at an observed altitude (Ho) of 9ø55.7'. The chronometer reads 05h 39m 03s, and is 03m 14s slow. What star did you observe? 1894: On 22 July 1981, your 0442 DR position is LAT 26ø35.6' N, LONG 22ø16.7' W. You observe an unidentified star bearing 149ø T at an observed altitude (Ho) of 12ø55.0'. The chronometer reads 05h 39m 03s, and is 03m 14s slow. What star did you observe? 1895: On 22 June 1981, your 0424 DR position is LAT 26ø18.5' N, LONG 124ø18.2' W. You observe an unidentified star bearing 195ø T at an observed altitude (Ho) of 03ø30.7'. The chronometer reads 00h 23m 24s, and is 01m 32s slow. What star did you observe? 1896: On 22 June 1981, your 0424 DR position is LAT 26ø18.5' N, LONG 124ø18.2' W. You observe an unidentified star bearing 154ø T at an observed altitude (Ho) of 15ø01.2'. The chronometer reads 00h 23m 24s, and is 01m 32s slow. What star did you observe? 1897: On 22 June 1981, your 0424 DR position is LAT 26ø18.5' N, LONG 124ø18.2' W. You observe an unidentified star bearing 249ø T at an observed altitude (Ho) of 52ø50.7'. The chronometer reads 00h 23m 24s, and is 01m 32s slow. What star did you observe? 1898: On 22 May 1981, your 0437 DR position is LAT 25ø18.5' N, LONG 51ø18.0' W. You observe an unidentified star bearing 142ø T at an observed altitude (Ho) of 23ø10.2'. The chronometer reads 07h 40m 40s, and is 03m 24s fast. What star did you observe? 1899: On 22 May 1981, your 0437 DR position is LAT 25ø18.5' N, LONG 51ø18.0' W. You observe an unidentified star bearing 116ø T at an observed altitude (Ho) of 11ø27.8'. The chronometer reads 07h 40m 40s, and is 03m 24s fast. What star did you observe? 1900: On 22 May 1981, your 0437 DR position is LAT 25ø18.5' N, LONG 51ø18.0' W. You observed an unidentified star bearing 233ø T at an observed altitude (Ho) of 29ø42.3'. The chronometer reads 07h 40m 40s, and is 03m 24s fast. What star did you observe? 1901: On 22 April 1981, your 1852 DR position is LAT 23ø54.5' N, LONG 117ø36.8' W. You observe an unidentified star bearing 248øT at an observed altitude (Ho) of 25ø00.9'. The chronometer reads 02h 54m 53s, and is 02m 51s fast. What star did you observe? 1902: On 22 April 1981, your 1852 DR position is LAT 23ø54.5' N, LONG 117ø36.8' W. You observe an unidentified star bearing 077ø T at an observed altitude (Ho) of 18ø58.7'. The chronometer reads 02h 54m 53s, and is 02m 51s fast. What star did you observe? 1903: On 22 April 1981, your 1852 DR position is LAT 23ø54.5' N, LONG 117ø36.8' W. You observe an unidentified star bearing 259ø T at an observed altitude (Ho) of 41ø15.2'. The chronometer reads 02h 54m 53s, and is 02m 51s fast. What star did you observe? 1904: On 22 March 1981, your 0519 DR position is LAT 27ø20.6' N, LONG 69ø25.6' W. You observe an unidentified star bearing 115ø T at an observed altitude (Ho) of 54ø52.8'. The chronometer reads 10h 16m 47s, and is 02m 15s slow. What star did you observe? 1905: On 22 March 1981, your 0519 DR position is LAT 27ø20.6' N, LONG 69ø25.6' W. You observe an unidentified star bearing 200ø T at an observed altitude (Ho) of 33ø05.5'. The chronometer reads 10h 16m 47s, and is 02m 15s slow. What star did you observe? 1906: On 22 March 1981, your 0519 DR position is LAT 27ø20.6'N, LONG 69ø25.6'W. You observe an unidentified star bearing 051ø T at an observed altitude (Ho) of 50ø03.7'. The chronometer reads 10h 16m 47s, and is 02m 15s slow. What star did you observe? 1907: On 22 March 1981, your 1834 DR position is LAT 26ø13.5' S, LONG 108ø36.5' W. You observe an unidentified star bearing 062ø T at an observed altitude (Ho) of 23ø22.0'. The chronometer reads 01h 32m 37s, and is 01m 50s slow. Which star did you observe? 1908: On 22 March 1981, your 1834 DR position is LAT 26ø13.5' S, LONG 108ø36.5' W. You observe an unidentified star bearing 315ø T at an observed altitude (Ho) of 66ø01.2'. The chronometer reads 01h 32m 37s, and is 01m 50s slow. What star did you observe? 1909: On 22 March 1981, your 1834 DR position is LAT 26ø13.5' S, LONG 108ø36.5' W. You observe an unidentified star bearing 294ø T at an observed altitude (Ho) of 33ø02.7'. The chronometer reads 01h 32m 37s, and is 01m 50s slow. What star did you observe? 1910: On 22 February 1981, your 1857 DR position is LAT 23ø46.0' S, LONG 93ø16.5' E. You observe an unidentified star bearing 126ø T at an observed altitude (Ho) of 40ø21.5'. The chronometer reads 01h 00m 35s and is 03m 25s fast. What star did you observe? 1911: On 22 February 1981, your 1857 DR position is LAT 23ø46.0' S, LONG 93ø16.5' E. You observe an unidentified star bearing 150ø T at an observed altitude (Ho) of 42ø15.0'. The chronometer reads 01h 00m 35s, and is 03m 25s fast. What star did you observe? 1912: On 22 February 1981, your 1857 DR position is LAT 23ø46.0' S, LONG 93ø16.5' E. You observe an unidentified star bearing 108ø T at an observed altitude (Ho) of 67ø53.9'. The chronometer reads 01h 00m 35s, and is 03m 25s fast. What star did you observe? 1913: On 14 January 1981, your 0550 DR position is LAT 25ø26.0' N, LONG 38ø16.0' W. You observe an unidentified star bearing 212ø T at an observed altitude (Ho) of 41ø42.3'. The chronometer reads 08h 48m 51s, and is 01m 22s slow. What star did you observe? 1914: On 14 January 1981, your 0550 DR position is LAT 25ø26.0' N, LONG 38ø16.0'W. You observe an unidentified star bearing 192ø T at an observed altitude (Ho) of 06ø15.2'. The chronometer reads 08h 48m 51s, and is 01m 22s slow. What star did you observe? 1915: On 14 January 1981, your 0550 DR position is LAT 25ø26.0' N, LONG 38ø16.0' W. You observe an unidentified star bearing 043ø T at an observed altitude (Ho) of 37ø12.1'. The chronometer reads 08h 48m 51s, and is 01m 22s slow. What star did you observe? 1916: On 14 January 1981, your 1922 DR position is LAT 27ø18.5' S, LONG 67ø18.0' E. You observe an unidentified star bearing 250ø T at an observed altitude (Ho) of 31ø01.2'. The chronometer reads 03h 25m 43s, and is 03m 15s fast. Which star did you observe? 1917: On 14 January 1981, your 1922 DR position is LAT 27ø18.5' S, LONG 67ø18.0' E. You observe an unidentified star bearing 054ø T at an observed altitude (Ho) of 07ø52.1'. The chronometer reads 03h 25m 43s, and is 03m 15s fast. What star did you observe? 1918: On 14 January 1981, your 1922 DR position is LAT 27ø18.5' S, LONG 67ø18.0' E. You observe an unidentified star bearing 295ø T at an observed altitude (Ho) of 13ø50.7'. The chronometer reads 03h 25m 43s, and is 03m 15s fast. What star did you observe? 1919: On 17 March 1981, your 0520 DR position is LAT 27ø23.0' N, LONG 39ø42.0' W. You observe an unidentified star bearing 110ø T at an observed altitude (Ho) of 50ø47.2'. The chronometer reads 08h 22m 15s, and is 01m 45s fast. What star did you observe? 1920: On 17 March 1981, your 0520 Dr position is LAT 27ø23.0' N, LONG 39ø42.0' W. You observe an unidentified star bearing 313ø T at an observed altitude (Ho) of 43ø03.8'. The chronometer reads 08h 22m 15s and is 01m 45s fast. What star did you observe? 1921: On 17 March 1981, your 1845 DR position is LAT 25ø10.0' N, LONG 66ø48.0' W. You observe an unidentified star bearing 340ø T at an observed altitude (Ho) of 66ø25.1'. The chronometer reads 10h 47m 49s, and is 1m 54s fast. What star did you observe? 1922: On 17 March 1981, your 1845 DR position is LAT 25ø10.0' N, LONG 66ø48.0' W. You observe an unidentified star bearing 320ø T at an observed altitude (Ho) of 50ø02.9'. The chronometer reads 10h 47m 49s, and is 1m 54s fast. What star did you observe? 1923: On 17 March 1981, your 1845 DR position is LAT 25ø10.0' N, LONG 66ø48.0' W. You observe an unidentified star bearing 077ø T at an observed altitude (Ho) of 67ø04.4'. The chronometer reads 10h 47m 49s, and is 1m 54s fast. What star did you observe? 1924: On 23 September 1981, your 1836 DR position is LAT 25ø18' S, LONG 162ø23' E. You observe an unidentified star bearing 000ø T at an observed altitude (Ho) of 26ø18'. The chronometer reads 07h 34m 12s, and is 01m 54s slow. What star did you observe? 1925: On 23 September 1981, your 1836 DR position is LAT 25ø18' S, LONG 162ø36' E. You observe an unidentified star bearing 148ø T at an observed altitude (Ho) of 13ø32'. The chronometer reads 07h 34m 12s, and is 01m 54s slow. Which star did you observe? 1926: On 23 September 1981, your 1836 DR position is LAT 25ø18' S, LONG 162ø36' E. You observe an unidentified star bearing 022ø T at an observed altitude (Ho) of 13ø16'. The chronometer reads 07h 34m 12s, and is 01m 54s slow. What star did you observe? 1928: On 17 March 1981, your 0520 DR position is LAT 27ø23.0' N, LONG 39ø42.0' W. At this time you observe an unidentified star bearing 270ø T with an observed altitude of 46ø30.2'. The chronometer reads 08h 22m 15s, and is 01m 45s fast. What star did you observe? 1929: You are taking a time tick using the 1930 signal from Rio de Janeiro, Brazil. You hear the preparatory signal "CQ DE PPE" repeated several times followed by a short dash (0.4 sec), 60 dots (0.1 sec each) and another short dash. At the beginning of the last dash, the comparing watch reads 07h 30m 13s. When compared to the chronometer, the comparing watch reads 07h 31m 56s, and the chronometer reads 07h 30m 21s. What is the chronometer error? 2001: On 3 February 1981, your 0451 zone time DR position is LAT 24ø15.0' S, LONG 124ø24.0' W. Considering their magnitude, azimuth, and altitude, which group includes the three bodies best suited for a fix at star time? 2002: On 16 July 1981, your 1810 zone time DR position is LAT 24ø16.5' S, LONG 162ø52.0' E. Considering their magnitude, azimuth, and altitude, which group includes the three bodies best suited for a fix at star time? 2003: On 20 June 1981, your 1742 zone time DR position is LAT 24ø55.0' S, LONG 8ø19.6' E. Considering their magnitude, azimuth, and altitude, which three stars are best suited for a fix at star time? 2004: On 28 February 1981, your 1850 zone time DR position is LAT 27ø49.0' N, LONG 159ø24.0' W. Considering their magnitude, azimuth, and altitude, which group includes the three stars best suited for a fix at star time? 2005: On 17 July 1981, your 1951 zone time DR position is LAT 24ø26.0' N, LONG 51ø16.0' W. Considering their magnitude, azimuth, and altitude, which group includes the three bodies best suited for a fix at star time? 2006: On 8 November 1981, your 1731 zone time DR position is LAT 27ø16.0' N, LONG 137ø25.0' W. Considering their magnitude, azimuth, and altitude, which group includes the three stars best suited for a fix at star time? 2007: On 4 September 1981, your 1813 zone time DR position is LAT 24ø18.0' S, LONG 95ø16.0' E. Considering their magnitude, azimuth, and altitude, which group includes the three stars best suited for a fix at star time? 2008: On 24 July 1981, your 1912 zone time DR position is LAT 24ø28.0' N, LONG 73ø46.5' W. Considering their magnitude, azimuth, and altitude, which group includes the three stars best suited for a fix at star time? 2009: On 16 July 1981, your 1920 ZT DR position is LAT 25ø36.0' N, LONG 172ø18.9' W. Considering their magnitude, azimuth, and altitude, which group includes the three bodies best suited for a fix at star time? 2010: On 3 February 1981, your 0550 zone time DR position is LAT 26ø16.0' N, LONG 112ø25.0' W. Considering their magnitude, azimuth, and altitude, which group includes the three bodies best suited for a fix at star time? 2011: On 3 February 1981, your 0547 zone time DR position is LAT 24ø18.5' N, LONG 167ø25.0' E. Considering their magnitude, azimuth, and altitude, which group includes the three bodies best suited for a fix at star time? 2012: On 24 March 1981, your vessel is enroute from Cadiz to Norfolk. Evening twilight will occur at 1830 zone time, and your vessel's DR position will be LAT 35ø06' N, LONG 60ø48' W. Considering their azimuth, altitude, and magnitude, which group of stars is best suited for plotting a star fix at star time? 2013: On 28 October 1981, morning twilight will occur around 0524 ZT in LAT 25ø25.0' N, LONG 32ø33.3' W. Considering their magnitude and location, which group will be the three stars best suited to observe for a star fix at star time? 2014: On 16 October 1981, evening twilight will occur at 1746 ZT, and your DR position will be LAT 28ø43.2' N, LONG 60ø29.8' W. Considering their magnitude and location, which of the following are the three best stars to select for a fix at star time? 2015: On 3 October 1981, your 1530 DR position is LAT 28ø19.2' N, LONG 176ø24.3' E. Your vessel is on course 082ø T, speed 15.8 knots. Which statement concerning the celestial bodies available for evening sights is TRUE? (You estimate mid-time for observations to be one-half hour after sunset.) 2016: On 23 March 1981, your 1600 ZT DR position is LAT 27ø16.3' N, LONG 156ø48.2' W. You are on course 063ø T at a speed of 18.0 knots. Considering their magnitude, azimuth, and altitude, which group includes the three stars best suited for a fix at star time? 2017: On 2 February 1981, your 0400 zone time DR position is LAT 24ø14.0' N, LONG 163ø28.0' W. You are on course 322ø T at a speed of 22 knots. Considering their magnitude, azimuth, and altitude, which group includes the three bodies best suited for a fix at star time? 2018: On 11 November 1981, your 0200 zone time DR position is LAT 26ø32' S, LONG 154ø16' E. You are on course 058ø T at a speed of 21 knots. Considering their magnitude, azimuth, and altitude, which group includes the three bodies best suited for a fix at star time? 2019: On 15 October 1981, your 0300 zone time DR position is LAT 27ø14' S, LONG 99ø46' E. You are on course 128ø T at a speed of 19 knots. Considering their magnitude, azimuth, and altitude, which group includes the three bodies best suited for a fix at star time? 2020: On 23 July 1981, your 1700 zone time DR position is LAT 27ø29' N, LONG 129ø26' W. You are on course 079ø T at a speed of 20 knots. Considering their magnitude, azimuth, and altitude, which group includes the three bodies best suited for a fix at star time? 2021: On 29 April 1981, your 0300 ZT DR position is LAT 28ø39' N, LONG 168ø03' E. You are on course 108ø T at a speed of 22 knots. Considering their magnitude, azimuth, and altitude, which group includes the three bodies best suited for a fix at star time? 2022: On 24 August 1981, your vessel is enroute from Perth, Australia, to Bombay, India. Evening twilight will occur at 1807 zone time, and your vessel's DR position for this time will be LAT 27ø17.0' S, LONG 83ø17.0' E. Considering their magnitude and location, what are the three stars best suited to observe for a fix at star time? 2023: On 1 October 1981, you determine the zone time of evening twilight will be 1835. Your DR position at this time is LAT 27ø18.0' N, LONG 48ø52.0' W. Considering their magnitude and location, which group of three stars are best suited to be used in obtaining a fix at star time? 2024: On 3 December 1981, evening twilight for your vessel will occur at 1901 zone time. Your vessel's DR position for this time will be LAT 24ø18.5' S, LONG 110ø30.6' W. Considering their magnitude and location, what are the three stars best suited to observe for a fix at star time? 2025: On 10 October 1981, your 1500 zone time DR position is LAT 27ø35.6' S, LONG 44ø49.0' W. You are on course 342ø T at a speed of 24 knots. Considering their magnitude, azimuth, and altitude, which group includes the three bodies best suited for a fix at star time? 2026: On 10 June 1981, your 1712 zone time DR position is LAT 25ø10.0' S, LONG 06ø58.0' E. You are on course 213ø T at a speed of 9.0 knots. Considering their magnitude, azimuth, and altitude, which group includes the three stars best suited for a fix at star time? 2151: On 16 June 1981, 0612 zone time, morning stars were observed. The vessel's position was LAT 27ø23.0' S, LONG 56ø22.0' W. The vessel is steaming at 16.0 knots on a course of 212ø T. A sextant observation of the Sun's lower limb is made at 0850 zone time. The chronometer reads 00h 53m 19s, and the sextant altitude is 22ø58.6'. The index error is 2.0' off the arc, and the chronometer error is 02m 43s fast. Your height of eye is 61.0 feet. What is the azimuth (Zn) of this sight using the assumed position? 2152: On 25 June 1981, at 0612 zone time, morning stars were observed, and the vessel's position was determined to be LAT 28ø13.0' S, LONG 49ø34.0' E. Your vessel is steaming at 17.0 knots on a course of 066ø T. A sextant observation of the Sun's lower limb is made at 1022 zone time. The chronometer reads 07h 19m 17s, and the sextant altitude is 35ø26.3'. The index error is 1.5' on the arc, and the chronometer error is 02m 51s slow. Your height of eye on the bridge is 58.0 feet. What is the azimuth (Zn) of this sight using the assumed position? 2153: At 0800 ZT, on 29 June 1981, your DR position is LAT 26ø00.0' N, LONG 75ø29.5' W. Given a chronometer time of 01h 00m 00s, determine the computed altitude (Hc) of the Sun for the assumed position nearest to the above given latitude and longitude. 2154: On 30 June 1981, at 0630 zone time, morning stars were observed, and the vessel's position was determined to be LAT 25ø15.0' S, LONG 175ø36.0' E. Your vessel is steaming at 16.0 knots on a course of 302ø T. A sextant observation of the Sun's lower limb is made at 1015 zone time. The chronometer reads 10h 14m 38s, and the sextant altitude is 32ø07.9'. The index error is 4.5' on the arc, and the chronometer error is 01m 25s slow. Your height of eye on the bridge is 58.0 feet. What is the azimuth (Zn) of this sight using the assumed position? 2155: On 17 May 1981, at 0501 zone time, morning stars were observed, and the vessel's position was determined to be LAT 22ø16.0' S, LONG 103ø46.0' W. Your vessel is steaming at 24.0 knots on a course of 301ø T. A sextant observation of the Sun's lower limb is made at 0845 zone time. The chronometer reads 03h 43m 32s, and the sextant altitude is 28ø24.7'. The index error is 1.5' off the arc, and the chronometer error is 02m 02s slow. Your height of eye on the bridge is 85.5 feet. What is the azimuth (Zn) of this sight using the assumed position? 2156: At 1300 ZT, on 9 May 1981, your DR position is LAT 24ø00' N, LONG 83ø26' W. Determine the computed altitude (Hc) of the Sun for the assumed position (AP) nearest to the above given latitude and longitude, given a chronometer time of 07h 00m 00s. 2157: On 25 May 1981, your vessel's 1917 zone time position is LAT 24ø16.0' N, LONG 017ø26.0' W. At that time a sextant observation of the planet Saturn was made. The sextant altitude is 63ø05.1', and the chronometer reads 08h 18m 24s. The index error is 4.5' off the arc, and the chronometer error is 01m 05s fast. Your height of eye is determined to be 62.0 feet. What is the azimuth (Zn) of this sight using the assumed position? 2158: On 26 May 1981, your vessel's 1906 zone time position is LAT 27ø16.0' N, LONG 24ø37.0' W. At that time, a sextant observation of the planet Jupiter was made. The sextant altitude is 63ø27.6', and the chronometer reads 09h 05m 16s. The index error is 5.2' on the arc, and the chronometer error is 01m 25s slow. Your height of eye is determined to be 52.6 feet. What is the (Zn) of this sight using the assumed position? 2159: On 25 May 1981, your vessel's 1858 zone time position is LAT 21ø05.0' N, LONG 143ø27.0' E. At that time a sextant observation of the planet Venus was made. The sextant altitude is 12ø53.4' and the chronometer reads 08h 59m 15s. The index error is 4.5' off the arc, and the chronometer error is 01m 25s fast. Your height of eye is determined to be 55.0 feet. What is the azimuth (Zn) of the sight using the assumed position? 2160: On 17 April 1981, your vessel's 1856 zone time DR position is LAT 22ø35.0' N, LONG 63ø15.0' W. At that time, a sextant observation of the star Sirius is made. The sextant altitude is 42ø45.0' and the chronometer reads 10h 59m 27s. The index error is 2.6' off the arc, and the chronometer error is 03m 01s fast. Your height of eye is determined to be 45 feet. What is the computed altitude (hc) and azimuth (Zn) for this sight using the assumed position? 2161: On 28 April 1981, your vessel's 0515 zone time position is LAT 23ø26' S, LONG 95ø30' E. At this time, the observed altitude (Ho) of the star Rigil Kentaurus is 24ø51.4'. Your chronometer reads 11h 16m 36s and is 01m 18s fast. What is the intercept (a) based on the assumed position method? 2162: On 5 April 1981, at 0509 zone time, morning stars were observed and the vessel's position was LAT 28ø32' N, LONG 177ø13.0' W. Your vessel is steaming at 19.0 knots on a course of 258ø T. A sextant observation of the Sun's lower limb is made at 1021 zone time. The chronometer reads 10h 20m 09s, and the sextant altitude (hs) is 58ø06.6'. The index error is 1.0' off the arc, and the chronometer error is 00m 54s slow. Your height of eye on the bridge is 55.0 feet. What is the azimuth (Zn) of this sight using the assumed position? 2163: On 1 April 1981, at 0515 zone time, morning stars were observed, and the vessel's position was determined to be LAT 27ø05.0' N, LONG 16ø30.0' W. Your vessel is steaming at 19.0 knots on a course of 022ø T. A sextant observation of the Sun's lower limb is made at 0930 zone time. The chronometer reads 10h 28m 25s, and the sextant altitude is 46ø20.3'. The index error is 4.5' off the arc, and the chronometer error is 02m 15s slow. Your height of eye on the bridge is 57.0 feet. What is the azimuth (Zn) of this sight using the assumed position? 2164: On 6 March 1981, at 0550 zone time, morning stars were observed, and the vessel's position was determined to be LAT 23ø56.0' N, LONG 27ø19.0' W. Your vessel is steaming at 25.0 knots on a course of 149.0ø T. A sextant observation of the Sun's lower limb is made at 0830 zone time. The chronometer reads 10h 32m 05s, and the sextant altitude is 31ø31.5'. The index error is 2.5' on the arc, and the chronometer error is 01m 45s fast. Your height of eye on the bridge is 76.0 feet. What is the azimuth (Zn) of this sight using the assumed position? 2165: On 25 February 1981, at 0622 ZT, you observe the upper limb of the Moon with a sextant altitude of 59ø58.6'. Your DR position is LAT 30ø28.3' S, LONG 102ø39.3 E. The chronometer reading at the time of the sight is 11h 21m 18s and the chronometer is 48s slow. The height of eye is 59 feet and the index error is 2.5' on the arc. What are the azimuth (Zn) and intercept (a) of this sight using the assumed position? 2166: On 10 January 1981, at 0550 ZT, morning stars were observed, and the vessel's position was determined to be LAT 25ø16.0' N, LONG 123ø18.0' W. Your vessel is steaming at 22.0 knots on a course of 295ø T. A sextant observation of the Sun's lower limb is made at 0915 ZT. The chronometer reads 05h 14m 02s, and the sextant altitude is 24ø00.7'. The index error is 2.6' off the arc, and the chronometer error is 01m 34s slow. Your height of eye on the bridge is 55.0 feet. What is the azimuth (Zn) of this sight using the assumed position? 2167: On 4 July 1981, at 0630 ZT, morning stars were observed, and the vessel's position was determined to be LAT 21ø15.0' S, LONG 21ø20.0' W. Your vessel is steaming at 13.0 knots on a course of 146ø T. A sextant observation of the Sun's lower limb is made at 0915 ZT. The chronometer reads 10h 14m 27s, and the sextant altitude is 25ø29.8'. The index error is 3.1' off the arc, and the chronometer error is 0m 53s slow. Your height of eye on the bridge is 48.0 feet. What is the azimuth (Zn) of this sight using the assumed position? 2168: On 22 July 1981, at 0448 ZT, morning stars were observed, and the vessel's position was determined to be LAT 21ø43.0' N, LONG 158ø39.0' E. Your vessel is steaming at 21.0 knots on a course of 028ø T. A sextant observation of the Sun's lower limb is made at 0956 ZT. The chronometer reads 10h 54m 27s, and the sextant altitude is 54ø28.2'. The index error is 1.5' off the arc, and the chronometer error is 01m 38s slow. Your height of eye on the bridge is 56 feet. What is the azimuth (Zn) of this sight using the assumed position? 2169: At 0600 ZT, on 24 July 1981, your DR position is LAT 22ø37' N, LONG 32ø45' W. You are steering 185ø T at a speed of 20.0 knots. Determine the computed altitude (Hc) and azimuth (Zn) for an observation of the Sun's lower limb taken at 1030 ZT. At this time the chronometer reads 00h 30m 16s and is 0m 31s slow. 2170: On 22 July 1981, at 0720 ZT, in DR position LAT 20ø38.2' N, LONG 87ø16.0' W, you observe the Moon's lower limb. The sextant altitude (hs) is 38ø32.6, and the chronometer reads 01h 18m 14s. The chronometer is 01m 28s slow. The index error is 3.1' off the arc, and the height of eye is 68 feet. What is the azimuth (Zn) and intercept (a) of this sight from the assumed position? 2171: On 8 August 1981, at 0545 ZT, morning stars were observed, and the vessel's position was determined to be LAT 26ø16.0' S, LONG 94ø16.0' E. Your vessel is steaming at 20.0 knots on a course of 346ø T. A sextant observation of the Sun's lower limb is made at 0905 ZT. The chronometer reads 03h 02m 52s, and the sextant altitude (hs) is 38ø07.5'. The index error is 5.2' off the arc, and the chronometer error is 2m 17s slow. Your height of eye on the bridge is 72 feet (22.0 meters). What is the observed altitude (Ho) and azimuth (Zn) of this sight using the assumed position? 2172: On 11 October 1981, at 0516 ZT, morning stars were observed, and the vessel's position was determined to be LAT 23ø21.0' N, LONG 139ø27.0' W. Your vessel is steaming at 14.0 knots on a course of 293ø T. A sextant observation of the Sun's lower limb is made at 0927 ZT. The chronometer reads 06h 30m 21s, and the sextant altitude (hs) is 39ø48.7'. The index error is 2.0' on the arc, and the chronometer error is 02m 56s fast. Your height of eye on the bridge is 63.0 feet. What is the azimuth (Zn) of this sight using the assumed position? 2173: At 1000 ZT, on 21 October 1981, your DR position is LAT 29ø00' N, LONG 134ø40' E. Given a chronometer reading of 01h 00m 00s, determine the computed altitude (Hc) of the Sun for the assumed position (AP) nearest to the above given latitude and longitude. 2174: On 18 October 1981, at 0518 ZT, morning stars were observed and the vessel's position was determined to be LAT 25ø31.0' N, LONG 146ø29.2' E. Your vessel is steaming at 19.0 knots on a course of 308ø T. A sextant observation of the Sun's lower limb is made at 0915 ZT. The chronometer reads 11h 17m 11s, and the sextant altitude (hs) is 34ø51.4'. The index error is 2.0' off the arc, and the chronometer error is 01m 57s fast. Your height of eye on the bridge is 54.0 feet. What is the azimuth (Zn) of this sight using the assumed position? 2175: On 13 November 1981, at 0438 ZT, morning stars were observed and the vessel's position was determined to be LAT 22ø14.0' S, LONG 79ø23.0' E. Your vessel is steaming at 13.0 knots on a course of 242ø T. A sextant observation of the Sun's lower limb is made at 0822 ZT. The chronometer reads 03h 20m 16s, and the sextant altitude (hs) is 45ø49.7'. The index error is 1.0' on the arc, and the chronometer error is 01m 47s slow. Your height of eye on the bridge is 61.0 feet (18.6 meters). What is the azimuth (Zn) of this sight using the assumed position? 2176: On 9 November 1981, at 0426 ZT, your position was LAT 25ø17.0' S, LONG 154ø16.0' E. Your vessel is steaming at 14.0 knots on course 066ø T. A sextant observation of the Sun's lower limb is made at 0837 ZT. The chronometer reads 10h 35m 21s, and the sextant altitude (hs) is 50ø26.9'. The index error is 1.5' on the arc, and the chronometer error is 01m 48s slow. Your height of eye on the bridge is 56.0 feet. What is the observed altitude (Ho) and azimuth (Zn) of this sight using the assumed position? 2177: On 21 November 1981, at 0430 ZT, morning stars were observed, and the vessel's position was LAT 22ø14.0' S, LONG 79ø23.0' E. Your vessel is steaming at 14.5 knots on a course of 246ø T. A sextant observation of the Sun's lower limb is made at 0816 ZT. The chronometer reads 03h 14m 16s, and the sextant altitude (hs) is 44ø29.2'. The index error is 1.0' on the arc, and the chronometer error is 01m 47s slow. Your height of eye is 61.0 feet (18.6 meters). What is the azimuth (Zn) and intercept (a) of this sight using the assumed position? 2178: On 26 July 1981, your 1901 ZT position is LAT 28ø28' N, LONG 157ø16' E when you take an observation of Jupiter. The chronometer at the time of the sight reads 08h 54m 34s and is 06m 24s slow. The sextant altitude (hs) is 33ø51.5'. The index error is 2.8'off the arc, and the height of eye is 48 feet. What are the azimuth (Zn) and intercept (a) for this sight using the assumed position? 2179: On 22 June 1981, at 0906 EDT (ZD +4), your position by Loran fix is LAT 24ø36' N, LONG 69ø30' W. You are on course 165ø pgc at a speed of 14.8 knots. A sextant observation of the Sun's lower limb is made, and the sextant altitude (hs) is 42ø44.0' with an index error of 0.8' off the arc. At this time the chronometer reads 01h 10m 12s, and is 2m 42s slow. If your height of eye is 70 feet, what is the azimuth (Zn) of the sight? 2180: On 12 April 1981, at 0515 ZT, morning stars were observed, and the vessel's position was determined to be LAT 21ø05' S, LONG 16ø30' W. Your vessel is steaming at 19 knots on a course of 278ø T. A sextant observation of the Sun's lower limb is made at 0930 ZT. The chronometer reads 10h 28m 25s, and the sextant altitude (hs) is 40ø15.9'. The index error is 2.5' off the arc, and the chronometer error is 2m 15s slow. Your height of eye on the bridge is 57 feet. What are the intercept (a) and azimuth (Zn) from the assumed position of this sight? 2181: On 4 June 1981, at 0630 ZT, morning stars were observed, and the vessel's position was determined to be LAT 26ø15' S, LONG 121ø20' W. Your vessel is steaming at 13.0 knots on a course of 246ø T. A sextant observation of the Sun's lower limb is made at 0915 ZT. The chronometer reads 05h 14m 27s, and the sextant altitude is 25ø57.8'. The index error is 2.1' off the arc, and the chronometer error is 0m 53s slow. Your height of eye is 39.0 feet. What is the intercept (a) and azimuth (Zn) of this sight using the assumed position method? 2182: On 18 August 1981, at 0600 ZT, morning stars were observed, and the vessel's position was determined to be LAT 19ø48' N, LONG 108ø 34' W. Your vessel is steaming on course 166ø T at a speed of 16 knots. An observation of the Sun's lower limb is made at 1036 ZT. The chronometer reads 05h 34m 48s and is slow 01m 24s. What is the computed altitude (Hc) and azimuth (Zn) for this 1036 ZT observation using the assumed position method? 2183: At 0800 ZT, on 29 June 1981, your DR position is LAT 26ø00.0' N, LONG 75ø29.5' W. Determine the computed altitude (Hc) of the Sun for the assumed position nearest to the above given latitude and longitude, given a chronometer time of 01h 00m 00s. 2185: At 1000 ZT, on 21 October 1981, your DR position is LAT 29ø00' N, LONG 134ø40' E. Determine the computed altitude (Hc) of the Sun for the assumed position (AP) nearest to the above given latitude and longitude, given a chronometer time of 01h 00m 00s. 2275: You observe the lower limb of the Sun at a sextant altitude (hs) of 24ø00.7' on 10 January 1981. The index error is 2.6' off the arc. The height of eye is 55 feet. What is the observed altitude (Ho)? 2276: You observe the lower limb of the Sun at a sextant altitude (hs) of 46ø20.3' on 1 April 1981. The index error is 4.5' off the arc. The height of eye is 57 feet (17.4 meters). What is the observed altitude (Ho)? 2277: You observe the lower limb of the Sun at a sextant altitude (hs) of 41ø29.8' on 11 January 1981. The index error is 2.4' off the arc. The height of eye is 68 feet. What is the observed altitude (Ho)? 2278: You observe the lower limb of the Sun at a sextant altitude (hs) of 31ø31.5' on 6 March 1981. The index error is 2.5' on the arc. The height of eye is 76 feet. What is the observed altitude (Ho)? 2279: You observe the lower limb of the Sun at a sextant altitude (hs) of 58ø06.6' on 5 April 1981. The index error is 1.0' off the arc. The height of eye is 55 feet (16.8 meters). What is the observed altitude (Ho)? 2280: You observe the lower limb of the Sun at a sextant altitude (hs) of 28ø24.7' on 17 May 1981. The index error is 1.5' off the arc. The height of eye is 86 feet (26 meters). What is the observed altitude (Ho)? 2281: You observe the lower limb of the Sun at a sextant altitude (hs) of 62ø22.2' on 6 June 1981. The index error is 1.2' on the arc. The height of eye is 28 feet (8.5 meters). What is the observed altitude (Ho)? 2282: You observe the lower limb of the Sun at a sextant altitude (hs) of 42ø44.0' on 22 June 1981. The index error is 0.8' off the arc. The height of eye is 70 feet (21.3 meters). What is the observed altitude (Ho)? 2283: You observe the lower limb of the Sun at a sextant altitude (hs) of 22ø58.6' on 16 June 1981. The index error is 2.0' off the arc. The height of eye is 61 feet. What is the observed altitude (Ho)? 2284: You observe the lower limb of the Sun at a sextant altitude (hs) of 35ø26.3' on 25 June 1981. The index error is 1.5' on the arc. The height of eye is 58 feet (17.6 meters). What is the observed altitude (Ho)? 2285: You observe the lower limb of the Sun at a sextant altitude (hs) of 45ø49.7' on 13 November 1981. The index error is 1.0' on the arc. The height of eye is 61 feet (18.6 meters). What is the observed altitude (Ho)? 2286: You observe the lower limb of the Sun at a sextant altitude (hs) of 50ø26.9' on 9 November 1981. The index error is 1.5' on the arc. The height of eye is 56 feet (17 meters). What is the observed altitude (Ho)? 2287: You observe the lower limb of the Sun at a sextant altitude (hs) of 34ø51.4' on 18 October 1981. The index error is 2.0' off the arc. The height of eye is 54 feet (16.5 meters). What is the observed altitude (Ho)? 2288: You observe the lower limb of the Sun at a sextant altitude (hs) of 39ø48.7' on 11 October 1981. The index error is 2.0' on the arc. The height of eye is 63 feet (19.2 meters). What is the observed altitude (Ho)? 2289: You observe the lower limb of the Sun at a sextant altitude (hs) of 38ø07.5' on 8 August 1981. The index error is 5.2' off the arc. The height of eye is 72 feet (22 meters). What is the observed altitude (Ho)? 2290: You observe the lower limb of the Sun at a sextant altitude (hs) of 75ø12.3' on 6 August 1981. The index error is 1.5' off the arc. The height of eye is 32 feet (9.8 meters). What is the observed altitude (Ho)? 2291: You are taking a time tick using the 2100 signal from Callao, Peru. You hear a series of 1 second dashes followed by a 9 second silent period, then a long 1.3 second dash. At the beginning of the long dash, your comparing watch reads 09h 00m 10s. When compared to the chronometer, the comparing watch reads 09h 01m 20s, and the chronometer reads 08h 59m 22s. What is the chronometer error? 2292: In addiion to those found in the Coast Pilot, information concerning anchorage regulations for this area may be obtained from _____________. 2366: A plotting sheet may be used to plot the radiobeacons and solve the following problem. On a voyage in the Gulf of Mexico, your 2000 DR position is LAT 29ø23.5' N, LONG 87ø45.0' W. You are on course 062ø T, speed 15 knots. At 2130 you take RDF bearings. The gyro error is 0.5ø W. What is your position based on these bearings? 2425: You are taking a time tick using the 2100 signal from Callao, Peru. You hear a series of 1 second dashes followed by a 9 second silent period, then a long 1.3 second dash. At the beginning of the long dash, your comparing watch reads 09h 00m 07s. When compared to the chronometer, the comparing watch reads 09h 01m 12s, and the chronometer reads 08h 59m 32s. What is the chronometer error? 2442: Anchorage regulations for this area may be obtained from ____________. 2501: A plotting sheet should be used to plot the radiobeacons and solve the following problem. On a voyage along the east coast of South America your 1200 DR position is LAT 30ø00.0' S, LONG 48ø24.0' W. You are on a course of 044ø T; speed 11.0 knots. The gyro error is 2ø W. Determine your 1300 position from the RDF bearings taken at that time. 2502: A plotting sheet should be used to plot the radiobeacons and solve the following problem. On a voyage along the east coast of South America, your 0800 DR position is LAT 26ø30.0' S, LONG 46ø36.8' W. You are on course 209ø T; speed 14.0 knots. The gyro error is 1ø W. Determine your 0900 position from the RDF bearings taken at that time. 2503: A plotting sheet should be used to plot the radiobeacons and solve the following problem. On a voyage from Dakar to the Mediterranean, your 1410 DR position is LAT 26ø30.0' N, LONG 15ø50.0' W. You take 3 RDF bearings at that time. The vessel's heading was 055ø pgc. Gyro error is 2ø W. Determine your 1410 position from the bearings taken at that time. 2504: A plotting sheet should be used to solve the following problem. On a voyage from Capetown to Paranagua, Brazil, your 1114 zone time DR position is LAT 26ø04.0' S, LONG 46ø42.0' W. You take two RDF bearings. The helmsman was on course 293ø pgc at the time of the bearings. The gyro error is 3ø W. Determine your position from the bearings taken at that time. 2505: Station positions may be plotted on the appropriate plotting sheet. Your 1420 ZT DR position is LAT 27ø46.0' S, LONG 46ø12.0' W when you take RDF bearings. The helmsman was on course 221ø T at the time of the bearings. There is no gyro error. What is your 1420 position based on these bearings? 2506: A plotting sheet should be used to plot the radiobeacons and solve the following problem. On a voyage along the west coast of Africa, your 1430 DR position is LAT 28ø37.5' N, LONG 11ø40.0' W. You are on course 249ø T; speed 19.8 knots. The gyro error is 2ø E. At 1500 you take RDF bearings. Determine your 1500 position based on the radio bearings. 2507: A plotting sheet should be used to plot the radiobeacons and solve the following problem. On a voyage enroute to the Canary Islands, your 2300 DR position is LAT 29ø30' N, LONG 14ø50' W. You are on course 122ø T; speed 14.6 knots. The gyro error is 1ø W. You take RDF bearings at the times indicated. Determine your 2400 position based on the radio bearings. 2508: A plotting sheet should be used to plot the radiobeacons and solve the following problem. On a voyage along the west coast of Africa, your 1100 DR position is LAT 27ø00' N, LONG 15ø15' W. You are on course 062ø T; speed 15.8 knots. The gyro error is 2ø W. Determine your position from the RDF bearings taken at 1200. 2509: On a voyage from Cadiz, Spain to Capetown, your 0958 DR position is LAT 28ø50' N, LONG 15ø18' W, when you take 3 RDF bearings. At the time of the bearings, your vessel was heading 223ø per gyrocompass. Your gyro error is 3ø E. Determine your position based on these bearings. 2510: A radiobeacon bears 205ø relative. The vessel's heading is 138ø per gyrocompass. Gyro error is 1ø W. The RDF calibration curve is shown. What is the true bearing of the radiobeacon? 2511: A plotting sheet should be used to plot the radiobeacons and solve the following problem. On a voyage along the west coast of Africa your 1615 DR position is LAT 29ø06' N, LONG 15ø22' W. You are on course 148ø T; speed 13.5 knots. At 1615 you take RDF bearings. The gyro error is 1ø W. What is your position based on these bearings? 2512: A plotting sheet should be used to plot the radiobeacons and solve the following problem. On a voyage along the west coast of Africa your 1615 DR position is LAT 29ø06' N, LONG 15ø22' W. You are on course 148ø T; speed 13.5 knots. At 1615 you take RDF bearings. The gyro error is 1ø W. What is your position based on these bearings? 2513: A plotting sheet should be used to plot the radiobeacons and solve the following problem. On a voyage along the west coast of Africa your 0930 DR position is LAT 26ø58' N, LONG 14ø37' W. You are on course 223ø T; speed 18.5 knots. At 0930 you take RDF bearings. The gyro error is 1ø E. What is your position based on these bearings? 2514: A plotting sheet should be used to plot the radiobeacons and solve the following problem. On a voyage along the west coast of Africa your 1351 DR position is LAT 27ø14' N, LONG 15ø52' W. You are on course 082ø T; speed 13.7 knots. At 1351 you take RDF bearings. The gyro error is 2ø E. What is your position based on these bearings? 2515: A plotting sheet should be used to plot the radiobeacons and solve the following problem. On a voyage along the east coast of South America your 0708 DR position is LAT 25ø29.0' S, LONG 46ø15.0' W. You are on course 256ø T; speed 22 knots. At 0708 you take RDF bearings. The gyro error is 1ø W. What is your position based on these bearings? 2516: A plotting sheet should be used to plot the radiobeacons and solve the following problem. On a voyage along the east coast of South America your 1419 DR position is LAT 29ø38' S, LONG 47ø53' W. You are on course 017ø T; speed 14 knots. At 1419 you take RDF bearings. The gyro error is 1ø E. What is your position based on these bearings? 2517: A plotting sheet should be used to plot the radiobeacons and solve the following problem. On a voyage along the east coast of South America your 0723 DR position is LAT 29ø28' S, LONG 48ø17' W. You are on course 324ø T; speed 16 knots. At 0723 you take RDF bearings. The gyro error is 2ø W. What is your position based on these bearings? 2518: A plotting sheet should be used to plot the radiobeacons and solve the following problem. On a voyage along the east coast of South America your 0927 DR position is LAT 25ø20' S, LONG 46ø40' W. You are on course 217ø T; speed 18 knots. At 0940 you take RDF bearings. The gyro error is 2ø E. What is your position based on these bearings? 2519: A plotting sheet should be used to plot the radiobeacons and solve the following problem. On a voyage along the east coast of South America, your 1052 DR position is LAT 29ø06.8' S, LONG 48ø22.8' W. You are on course 056ø T at 16.5 knots. The gyro error is 2ø E. At 1102 the RDF gyro bearing of Cabo de Santa Marta Grande is 310.5ø. At 1126 you change course to 000ø T. At 1202 the RDF gyro bearing of Paranagua is 355ø. What is your 1202 position based on these bearings? 2520: A plotting sheet should be used to plot the radiobeacons and solve the following problem. On a voyage along the west coast of Africa your 1315 DR position is LAT 29ø10' N, LONG 11ø49' W. You are on course 242ø T; speed 13.5 knots. At 1315 you take RDF bearings. The gyro error is 0ø. What is your position based on these bearings? 2522: A plotting sheet may be used to plot the radiobeacons and solve the following problem. On a voyage in the Gulf of Mexico, your 1000 DR position is LAT 26ø25.0' N, LONG 84ø35.0' W. You are on course 222.5ø T, speed 20 knots. At 1223 you take RDF bearings. The gyro error is 2.5ø E. What is your position based on these bearings? 2523: A plotting sheet may be used to plot the radiobeacons and solve the following problem. On a voyage in the Gulf of Mexico, your 0900 DR position is LAT 28ø24.0' N, LONG 83ø26.0' W. You are on course 248ø T, speed 18 knots. At 0957 you take RDF bearings. The gyro error is 3ø E. What is your position based on these bearings? 2524: A plotting sheet may be used to plot the radiobeacons and solve the following problem. On a voyage in the Gulf of Mexico, your 1600 DR position is LAT 29ø50.0' N, LONG 86ø30.0' W. You are on course 139ø T, speed 14 knots. At 1645 you take RDF bearings. The gyro error is 1.5ø W. What is your position based on these bearings? 2525: A plotting sheet may be used to plot the radiobeacons and solve the following problem. On a voyage in the Gulf of Mexico, your 1845 DR position is LAT 28ø15.0' N, LONG 85ø50.0' W. You are on course 297ø T, speed 12 knots. At 1930 you take RDF bearings. The gyro error is 1ø W. What is your position based on these bearings? 2526: A plotting sheet may be used to plot the radiobeacons and solve the following problem. On a voyage in the Gulf of Mexico, your 1530 DR position is LAT 27ø47.2' N, LONG 88ø17.8' W. You are on course 041ø T, speed 16 knots. At 1725 you take RDF bearings. The gyro error is 1.5ø W. What is your position based on these bearings? 2527: A plotting sheet may be used to plot the radiobeacons and solve the following problem. On a voyage in the Gulf of Mexico, your 1845 DR position is LAT 30ø34.5' N, LONG 86ø15.5' W. You are on course 216ø T, speed 8 knots. At 2245 you take RDF bearings. The gyro error is 0.5ø W. What is your position based on these bearings? 2528: A plotting sheet may be used to plot the radiobeacons and solve the following problem. On a voyage in the Gulf of Mexico, your 0825 DR position is LAT 29ø44.5' N, LONG 83ø25.0' W. You are on course 221ø T, speed 20 knots. At 0938 you take RDF bearings. The gyro error is 3ø E. What is your position based on these bearings? 2529: A plotting sheet may be used to plot the radiobeacons and solve the following problem. On a voyage in the Gulf of Mexico, your 0130 DR position is LAT 27ø47.5' N, LONG 84ø16.7' W. You are on course 099ø T, speed 16.5 knots. At 0245 you take RDF bearings. The gyro error is 1ø E. What is your position based on these bearings? 2530: A plotting sheet may be used to plot the radiobeacons and solve the following problem. You are on a voyage in the Gulf of Mexico. Your 2200 DR position is LAT 27ø10.0' N, LONG 85ø29.0' W. You are on course 029ø T, speed 16.0 knots. At 2245 you take RDF bearings. The gyro error is 2ø W. What is your position based on these bearings? 2577: On 23 July, you take a time tick using the 0800 GMT Capetown broadcast. You hear a repeating series of 59 dots followed by a dash. At the beginning of the fifth dash you start your stopwatch. The chronometer reads 08h 39m 16s at the time the stopwatch reads 01m 42s. The chronometer error at 0900 GMT, 22 July, was 22m 24s slow. What is the chronometer rate? 2578: On 12 November, you are taking a time tick using the 1600 GMT BBC Broadcast. You hear five pulses followed by a longer pulse. At the start of the longer pulse you start a stopwatch. You stop the stopwatch at the same time reading the chronometer with the following results: stopwatch 03m 19s, chronometer 15h 59m 46s. What is the chronometer error? 2651: You are steering 246ø T, and a light is picked up dead ahead at a distance of 14 miles at 1037. You change course to pass the light 2.5 miles off abeam to port. If you are making 12 knots, what is your ETA at the position 2.5 miles off the light? 2652: You are steering 163ø T, and a light is picked up dead ahead at a distance of 11 miles at 0142. You change course to pass the light 2 miles off abeam to starboard. If you are making 13 knots, what is your ETA at the position 2 miles off the light? 2653: You are steering 019ø T, and a light is picked up dead ahead at a distance of 11.6 miles at 0216. You change course to pass the light 3 miles off abeam to port. If you are making 14 knots, what is your ETA at the position 3 miles off the light? 2654: You are steering 231ø T, and a light is picked up dead ahead at a distance of 12.3 miles at 0338. You change course to pass the light 4 miles off abeam to starboard. If you are making 16.5 knots, what is your ETA at the position 4 miles off the light? 2655: You are steering 078ø T, and a light is picked up dead ahead at a distance of 15.6 miles at 2316. You change course to pass the light 4.5 miles off abeam to port. If you are making 17 knots, what is your ETA at the position 4.5 miles off the light? 2656: You are steering 257ø T, and a light is picked up dead ahead at a distance of 13.3 miles at 2016. You change course to pass the light 4 miles off abeam to starboard. If you are making 18.5 knots, what is your ETA at the position 4 miles off the light? 2657: You are steering 349ø T, and a light is picked up dead ahead at a distance of 17.2 miles at 2122. You change course to pass the light 4.5 miles off abeam to port. If you are making 19.5 knots, what is your ETA at the position 4.5 miles off the light? 2658: You are steering 202ø T, and a light is picked up dead ahead at a distance of 14.6 miles at 2234. You change course to pass the light 5 miles off abeam to starboard. If you are making 21 knots, what is your ETA at the position 5 miles off the light? 2659: You are steering 115ø T, and a light is picked up dead ahead at a distance of 16.7 miles at 0522. You change course to pass the light 3.5 miles off abeam to port. If you are making 12 knots, what is your ETA at the position 3.5 miles off the light? 2660: You are steering 287ø T, and a light is picked up dead ahead at a distance of 19.4 miles at 0419. You change course to pass the light 4 miles off abeam to starboard. If you are making 13 knots, what is your ETA at the position 4 miles off the light? 2661: You are steering 143ø T, and a light is picked up dead ahead at a distance of 18.2 miles at 2006. You change course to pass the light 5.5 miles off abeam to port. If you are making 14.5 knots, what is your ETA at the position 5.5 miles off the light? 2662: You are on course 006ø T, speed 16.6 knots. At 0516 you see a light bearing 008ø T at a range of 10.2. If you change course at 0528 to leave the light abeam to port at 1.0 mile, at what time will the light be abeam? 2663: You are on course 035ø T, speed 18.3 knots. At 0719 you see a buoy bearing 036ø T at a range of 4.1. If you change course at 0725 to leave the buoy abeam to port at 1.0 mile, at what time will the buoy be abeam? 2664: You are on course 061ø T, at a speed of 12.4 knots. At 0839 you see a rock bearing 059ø T at a range of 4.4 miles. If you change course at 0845 to leave the rock abeam to starboard at 1.5 mile, at what time will the rock be abeam? 2665: You are on course 079ø T, speed 11.2 knots. At 0904 you see a daymark bearing 078ø T at a range of 4.6. If you change course at 0910 to leave the daymark abeam to starboard at 0.5 mile, at what time will the daymark be abeam? 2666: You are on course 086ø T, speed 11.7 knots. At 1013 you see a buoy bearing 088ø T at a range of 4.8 miles. If you change course at 1019 to leave the buoy abeam to port at 1.0 mile, at what time will the buoy be abeam? 2667: Your vessel is on a course of 255ø T, at 14 knots. At 2126 a lighthouse is sighted dead ahead at a distance of 11 miles. You change course at this time to pass the lighthouse 3 miles abeam to port. What will be your ETA at this position off the lighthouse? 2668: Your vessel is on a course of 255ø T, at 14 knots. At 2116 a lighthouse is sighted dead ahead at a distance of 11 miles. You change course at this time to pass the lighthouse 3 miles abeam to port. What will be your ETA at this position off the lighthouse? 2669: You are steering 143ø T, and a light is picked up dead ahead at a distance of 18.2 miles at 2006. You change course to pass the light 5.5 miles off abeam to port. If you are making 14.5 knots, what is your ETA at a position 5.5 miles off the light? 2670: You are steering 173ø T, and a light is picked up dead ahead at a distance of 13.9 miles at 0054. You change course to pass the light 4.5 miles off abeam to port. If you are making 21 knots, what is your ETA at the position 4.5 miles off the light? 2671: While on a course of 349ø T, a light bears 13² on the starboard bow at a distance of 10.8 miles. What course should you steer to pass 2.5 miles abeam of the light leaving it to starboard? 2672: While on a course of 283ø pgc, a light bears 10ø on the port bow at a distance of 8.3 miles. What course should you steer to pass 3.5 miles abeam of the light leaving it to port? 2673: At 2221 your course is 222ø pgc at a speed of 11.2 knots, when radar detects a buoy bearing 355ø relative, at a range of 5.8 miles. The gyro error is 2ø E. If you change course at 2226, what course should you steer to leave the buoy 1.0 mile abeam to port? 2674: You are steaming on course 126ø T at 14.8 knots. At 1022 you sight a buoy bearing 128ø T, at a range of 4.8 miles. If you change course at 1026, what true course will you steer to leave the buoy 0.5 mile abeam to port? 2675: At 1423 you are on course 072 Tø at 12.2 knots, when you sight a rock awash bearing 070ø T at a range of 3.6 miles. If you change course at 1427, what course would you steer to leave the rock 1.0 mile abeam to port? 2676: While on a course of 019ø pgc, a light bears 14² on the port bow at a distance of 15.3 miles. What course should you steer to pass 1.5 miles abeam of the light, leaving it to port? 2677: You sight a light 9ø on your starboard bow at a distance of 21 miles. Assuming you make good your course, what will be your distance off the light when abeam? 2678: You are running coastwise on a course of 323ø T, and you have a buoy bearing 11ø on your port bow at a distance of 7 miles. You desire to leave the buoy abeam to port at a distance of 2.5 miles. What course should you steer? 2679: You are underway on a course of 135ø pgc at 15 knots, and you sight a lighthouse dead ahead at a range of 12.5 miles at 1145. What course would you steer to leave the lighthouse 3.0 miles off your port beam? 2680: While on course 321ø pgc with a 1ø W gyro error, you pick up a buoy on radar bearing 001ø relative at 5.2 miles. What will be the course to pass the buoy by 1 mile abeam to starboard, if you change course when the buoy is 4.5 miles away? 2681: Your vessel is on course 312ø pgc and you sight a lighthouse dead ahead at a range of 10 miles. The gyro error is 3ø E. What course would you steer to leave the lighthouse 1.5 miles abeam to starboard? 2682: While on a course of 066ø pgc, a light bears 18ø on the port bow at a distance of 12.3 miles. What course should you steer to leave the light 4 miles abeam to port? 2683: You are underway on a course of 135ø pgc at 15 knots, and you sight a lighthouse dead ahead at a range of 12.5 miles at 1145. What course would you steer to leave the lighthouse 3.0 miles off your port beam? 2684: You are steering 173ø T, and a light is picked up dead ahead at a distance of 13.9 miles at 0054. You change course to pass the light 4.5 miles off abeam to port. If you are making 21 knots, what is your ETA at the position 4.5 miles off the light? 2685: You are steering 031ø T, and a light is picked up dead ahead at a distance of 12.7 miles at 0017. You change course to pass the light 3.5 miles off abeam to starboard. If you are making 11 knots, what is your ETA at the position 3.5 miles off the light? 2686: While on a course of 034ø pgc, a light bears 8² on the port bow at a distance of 8.8 miles. What course should you steer to pass 2.5 miles abeam of the light leaving it to port? 2687: While on a course of 321ø T, a light bears 7² on the starboard bow at a distance of 9.7 miles. What course should you steer to pass 3.5 miles abeam of the light leaving it to starboard? 2688: While on a course of 214ø pgc, a light bears 9² on the port bow at a distance of 7.4 miles. What course should you steer to pass 2 miles abeam of the light leaving it to port? 2689: You are steering 107ø T, and a light is picked up dead ahead at a distance of 11 miles at 0847. You change course to leave the light 3 miles off to starboard. If you are making 15.5 knots, what is your ETA at the position 3 miles off the light? 2690: While on a course of 066ø pgc, a light bears 13² on the port bow at a distance of 12.3 miles. What course should you steer to pass 4 miles abeam of the light leaving it to port? 2691: While on a course of 159ø T, a light bears 11ø on the starboard bow at a distance of 10.6 miles. What course should you steer to pass 2 miles abeam of the light leaving it to starboard? 2692: While on a course of 097ø pgc, a light bears 8² on the port bow at a distance of 11.7 miles. What course should you steer to pass 3 miles abeam of the light leaving it to port? 2693: While on a course of 279ø T, a light bears 12ø on the starboard bow at a distance of 9.3 miles. What course should you steer to pass 4 miles abeam of the light leaving it to starboard? 2694: While on a course of 152ø T, a light bears 9² on the port bow at a distance of 11.6 miles. What course should you steer to pass 3 miles abeam of the light leaving it to port? 2695: You are underway on course 017ø T at a speed of 14.2 knots. You sight a buoy bearing 025ø T at a radar range of 3.7 miles at 1947. If you change course at 1953, what is the course to steer to leave the buoy abeam to starboard at 0.1 mile? 2696: You are underway on course 059ø T at a speed of 13.8 knots. You sight a light bearing 064ø T at a radar range of 5.1 miles at 1839. If you change course at 1845, what is the course to steer to leave the light abeam to starboard at 1.0 mile? 2697: You are underway on course 106ø T at a speed of 15.3 knots. You sight a buoy bearing 109ø T at a radar range of 3.6 miles at 1725. If you change course at 1728, what is the course to steer to leave the buoy abeam to port at 0.5 mile? 2698: While on a course of 138ø T, a light bears 14ø on the starboard bow at a distance of 8.6 miles. What course should you steer to pass 3 miles abeam of the light leaving it to starboard? 2699: You are underway on course 137ø T at a speed of 16.2 knots. You sight a rock bearing 134ø T at a radar range of 4.6 miles at 1508. If you change course at 1514, what is the course to steer to leave the rock abeam to port at 1.5 miles? 2700: You are underway on course 163ø T at a speed of 15.8 knots. You sight a buoy bearing 161ø T at a radar range of 5.5 miles at 1319. If you change course at 1325, what is the course to steer to leave the buoy abeam to starboard at 1.0 mile? 2701: You are underway on course 204ø T at a speed of 17.3 knots. You sight a light bearing 205ø T at a radar range of 4.7 miles at 1222. If you change course at 1228, what is the course to steer to leave the light abeam to port at 1.5 miles? 2703: You are underway on course 254ø T at a speed of 16.5 knots. You sight a rock bearing 255ø T at a radar range of 6.1 miles at 0916. If you change course at 0922, what is the course to steer to leave the rock abeam to starboard at 1.5 miles? 2704: You are underway on course 340ø T at a speed of 14.8 knots. You sight a buoy bearing 342ø T at a radar range of 4.8 miles at 1422. If you change course at 1428, what is the true course to steer to leave the buoy abeam to port at 1.0 mile? 2705: While on a course of 192ø T, a light bears 11² on the starboard bow at a distance of 12.7 miles. What course should you steer to pass 3 miles abeam of the light leaving it to starboard? 2706: While on a course of 216ø pgc, a light bears 12² on the port bow at a distance of 11.2 miles. Which course should you steer to pass 2 miles abeam of the light leaving it to port? 2707: You are underway on course 128ø T at a speed of 17.6 knots. You sight a daymark bearing 126ø T at a radar range of 4.3 miles at 1649. If you change course at 1654, what is the course to steer to leave the daymark abeam to starboard at 0.5 mile? 2708: While on a course of 349ø T, a light bears 13ø on your starboard bow at a distance of 10.8 miles. What course should you steer to pass 2.5 miles abeam of the light, leaving it to starboard? 2851: Your vessel is on a course of 297ø T at 11 knots. At 0019 a light bears 274.5ø T, and at 0048 the light bears 252ø T. At what time and at what distance off will your vessel be when abeam of the light? 2852: Your vessel is on a course of 129ø T at 13 knots. At 1937 a light bears 151.5ø T. At 2003 the light bears 174ø T. At which time and distance off will your vessel be when abeam of this light? 2853: Your vessel is on a course of 343ø T at 14 knots. At 2156 a light bears 320.5ø T, and at 2217 the light bears 298ø T. At what time and at what distance off will your vessel be when abeam of the light? 2854: Your vessel is on a course of 221ø T at 15 knots. At 0319 a light bears 198.5ø T, and at 0353 the light bears 176ø T. At what time and at what distance off will your vessel be when abeam of the light? 2855: Your vessel is on a course of 107ø T at 16 knots. At 0403 a light bears 129.5ø T, and at 0426 the light bears 152ø T. At what time and at what distance off will your vessel be when abeam of the light? 2856: Your vessel is on a course of 034ø T at 17 knots. At 0551 a light bears 056.5ø T, and at 0623 the light bears 079ø T. At what time and at what distance off will your vessel be when abeam of the light? 2857: Your vessel is on a course of 253ø T at 18 knots. At 2027 a light bears 275.5ø T, and at 2055 the light bears 298ø T. At what time and at what distance off will your vessel be when abeam of the light? 2858: Your vessel is on a course of 082ø T at 19 knots. At 0255 a light bears 059.5ø T, and at 0312 the light bears 037ø T. At what time and at what distance off will your vessel be when abeam of the light? 2859: Your vessel is on a course of 307ø T at 20 knots. At 0914 a light bears 284.5ø T, and at 0937 the light bears 262ø T. At what time and at what distance off will your vessel be when abeam of the light? 2860: Your vessel is on a course of 144ø T at 16 knots. At 0126 a light bears 166.5ø T, and at 0152 the light bears 189ø T. At what time and at what distance off will your vessel be when abeam of the light? 2861: Your vessel is on a course of 196ø T at 17 knots. At 0417 a light bears 218.5ø T, and at 0442 the light bears 241ø T. At what time and at what distance off will your vessel be when abeam of the light? 2862: Your are on course 317ø T at 13 knots. A light is bearing 22.5ø relative at 0640. At 0659 the same light is bearing 45ø relative. At what time should the light be abeam? 2863: Your vessel is underway on a course of 115ø T at 18 knots. At 1850 a lighthouse bears 137.5ø T. At 1920, the same lighthouse bears 160ø T. What time will the lighthouse pass abeam to starboard? 2864: You are steering a course of 316ø T, and a light bears 34ø on the port bow at 2053. At 2126 the same light bears 68ø on the port bow, and you have run 5 miles since the first bearing. What is the ETA when the lighthouse is abeam? 2865: You are steering a course of 240ø T, and a lighthouse bears 025ø on the starboard bow at 2116. At 2144 the same lighthouse bears 050ø on the starboard bow, and you have run 6 miles since the first bearing. What is the ETA when the lighthouse is abeam? 2866: Your vessel is on a course of 311ø T at 21 knots. At 1957 a light bears 337.5ø T, and at 2018 the light bears 356ø T. At what time and at what distance off will your vessel be when abeam of the light? 2867: Your vessel is on a course of 144ø T at 20 knots. At 0022 a light bears 117.5ø T, and at 0035 the light bears 099ø T. At what time and at what distance off will your vessel be when abeam of the light? 2868: Your vessel is on a course of 358ø T at 19 knots. At 0316 a light bears 024.5ø T, and at 0334 the light bears 043ø T. At what time and at what distance off will your vessel be when abeam of the light? 2869: Your vessel is on a course of 237ø T at 18 knots. At 0404 a light bears 263.5ø T, and at 0430 the light bears 282ø T. At what time and at what distance off will your vessel be when abeam of the light? 2870: Your vessel is on a course of 126ø T at 17 knots. At 0251 a light bears 099.5ø T, and at 0313 the light bears 081ø T. At what time and at what distance off will your vessel be when abeam of the light? 2871: Your vessel is on a course of 052ø T at 16 knots. At 0916 a light bears 078.5ø T, and at 0927 the light bears 097ø T. At what time and at what distance off will your vessel be when abeam of the light? 2872: Your vessel is on a course of 272ø T at 15 knots. At 2113 a light bears 245.5ø T, and at 2120 the light bears 227ø T. At what time and at what distance off will your vessel be when abeam of the light? 2873: Your vessel is on a course of 103ø T at 14 knots. At 1918 a light bears 129.5ø T, and at 1937 the light bears 148ø T. At what time and at what distance off will your vessel be when abeam of the light? 2874: Your vessel is on a course of 207ø T at 13 knots. At 0539 a light bears 180.5ø T, and at 0620 the light bears 162ø T. At what time and at what distance off will your vessel be when abeam of the light? 2875: Your vessel is on a course of 316ø T at 12 knots. At 2326 a light bears 289.5ø T, and at 2354 the light bears 271ø T. At what time and at what distance off will your vessel be when abeam of the light? 2876: You are taking a time tick using the 1200 signal from Valparaiso, Chile. You hear a series of 1 second dashes followed by a 9 second silent period, then a long 1.3 second dash. At the beginning of the long dash, your comparing watch reads 12h 00m 08s. When compared to the chronometer, the comparing watch reads 12h 01m 18s, and the chronometer reads 12 01m 45s. What is the chronometer error? 2877: Your vessel is steering 263ø T at 22 knots. At 0413 a light bears 294ø T, and at 0421 the same light bears 312ø T. What will be your distance off abeam? 2878: Your vessel is steering 143ø T at 16 knots. At 2147 a light bears 106ø T, and at 2206 the same light bears 078ø T. What will be your distance off abeam? 2879: Your vessel is steering 354ø T at 14 knots. At 0317 a light bears 049ø T, and at 0342 the same light bears 071ø T. What will be your distance off abeam? 2880: Your vessel is steering 218ø T at 19 knots. At 2223 a light bears 261ø T, and at 2234 the same light bears 289ø T. What will be your distance off abeam? 2881: Your vessel is steering 049ø T at 15 knots. At 1914 a light bears 078ø T, and at 1951 the same light bears 116ø T. What will be your distance off abeam? 2882: Your vessel is steering 096ø T at 17 knots. At 1847 a light bears 057ø T, and at 1916 the same light bears 033ø T. What will be your distance off abeam? 2883: Your vessel is steering 157ø T at 18 knots. At 2018 a light bears 208ø T. At 2044 the same light bears 232ø T. What will be your distance off when abeam? 2884: Your vessel is steering 238ø T at 11 knots. At 2304 a light bears 176ø T, and at 2323 the same light bears 155ø T. What will be your distance off abeam? 2885: Your vessel is steering 194ø T at 13 knots. At 0116 a light bears 243ø T, and at 0147 the same light bears 267ø T. What will be your distance off abeam? 2886: Your vessel is steering 074ø T at 12 knots. At 0214 a light bears 115ø T, and at 0223 the same light bears 135ø T. What will be your distance off abeam? 2887: Your vessel is steering 283ø T at 10 knots. At 0538 a light bears 350ø T, and at 0552 the same light bears 002ø T. What will be your distance off abeam? 2888: Your vessel is underway on a course of 323.5ø T at a speed of 16 knots. At 1945² a light bears 350ø T. At 2010 the light bears 008.5ø T. What will be your distance off when abeam of the light? 2889: While underway you sight a light 11ø on your port bow at a distance of 12 miles. Assuming you make good your course, what will be your distance off the light when abeam? 2890: You are steaming on a course of 084ø T at a speed of 13 knots. At 1919 a lighthouse bears 106.5ø T. At 1957 the same lighthouse bears 129ø T. What will be your distance off the lighthouse when abeam? 2891: You are steaming on course 168ø T at a speed of 18 knots. At 1426 you sight a buoy bearing 144ø T. At 1435 you sight the same buoy bearing 116ø T. What is your distance off at the second bearing and predicted distance when abeam? 2892: You are steaming on a course of 114ø T at 17 knots. At 1122 you observe a lighthouse bearing 077ø T. At 1133 the lighthouse bears 051ø T. What is your distance off at the second bearing? 2893: You are steaming on a course of 253ø T at 14 knots. At 2329 you observe a lighthouse bearing 282ø T. At 2345 the lighthouse bears 300ø T. What is your distance off at the second bearing? 2894: You are steaming on a course of 071ø T at 19 knots. At 1907 you observe a lighthouse bearing 122ø T. At 1915 the lighthouse bears 154ø T. What is your distance off at the second bearing? 2895: You are steaming on a course of 246ø T at 17 knots. At 2107 you observe a lighthouse bearing 207ø T. At 2119 the lighthouse bears 179ø T. What is your distance off at the second bearing? 2896: You are steaming on a course of 133ø T at 16 knots. At 2216 you observe a lighthouse bearing 086ø T. At 2223 the lighthouse bears 054ø T. What is your distance off at the second bearing? 2897: You are steaming on a course of 327ø T at 13 knots. At 0207 you observe a lighthouse bearing 020ø T. At 0226 the lighthouse bears 042ø T. What is your distance off at the second bearing? 2898: You are steaming on a course of 267ø T at 22 knots. At 0433 you observe a lighthouse bearing 290ø T. At 0452 the lighthouse bears 328ø T. What is your distance off at the second bearing? 2899: You are steaming on a course of 208ø T at 21 knots. At 2019 you observe a lighthouse bearing 129ø T. At 2030 the lighthouse bears 103ø T. What is your distance off at the second bearing? 2900: You are steaming on a course of 167ø T at 19.5 knots. At 1837 you observe a lighthouse bearing 224ø T. At 1904 the lighthouse bears 268ø T. What is your distance off at the second bearing? 2901: You are steaming on a course of 198ø T at 18.5 knots. At 0316 you observe a lighthouse bearing 235ø T. At 0348 the lighthouse bears 259ø T. What is your distance off at the second bearing? 2902: You are steaming on a course of 058ø T at 11.5 knots. At 0209 you observe a lighthouse bearing 129ø T. At 0252 the lighthouse bears 173ø T. What is your distance off at the second bearing? 2903: You are steaming on a course of 025ø T at 15.5 knots. At 0645 you observe a lighthouse bearing 059ø T. At 0655 the same lighthouse bears 075ø T. What is your distance off at the second bearing? 2904: Your vessel is on course 093ø T at 15 knots. At 1835 a light bears 136ø T, and at 1857 the same light bears 170ø T. What was your distance off the light at 1857? 2905: You are steaming on a course of 215ø T at 14 knots. At 1841 you observe a lighthouse bearing 178ø T. At 1904 the same lighthouse bears 156ø T. What is your distance off at the second bearing? 2906: You are steaming on a course of 211ø T at 17 knots. At 0417 a light bears 184ø T, and at 0428 the same light bears 168ø T. What is the distance off the light at 0428? 2907: You are running coastwise in hazy weather; the visibility improves just before you pass a lighthouse abeam. Your speed is 15 knots, and the lighthouse was abeam at 1015. At 1037 the lighthouse is 4 points abaft the beam. What is your distance off at the second bearing? 2908: Your vessel is on a course of 223ø T at 17 knots. At 1323 a lighthouse bears 318ø relative. At 1341 the same lighthouse bears 287ø relative. What is your distance off the lighthouse at 1341? 2909: You are running coastwise at 14 knots. You sight a lighthouse abeam at 0912. At 0939 the lighthouse is 4 points abaft the beam. What is your distance off at the second bearing? 2910: Your vessel is steaming on a course of 140ø T at 15 knots. At 1530 a lighthouse bears 200ø T. At 1550 it bears 249ø T. What is your distance from the lighthouse at 1550? 2912: Your vessel is on a course of 079ø T at 11 knots. At 0152 a light bears 105.5ø T, and at 0209 the light bears 124ø T. At what time and at what distance off will your vessel be when abeam of the light? 3050: The propeller on a vessel has a diameter of 23.7 feet and a pitch of 24.8 feet. What would be the apparent slip if the vessel cruised 442 miles in a 23 hour day (observed distance) at an average RPM of 89? 3051: The propeller on a vessel has a diameter of 20.6 feet and a pitch of 23.4 feet. What would be the apparent slip if the vessel cruised 538 miles in a 24 hour day (observed distance) at an average RPM of 87? 3052: The propeller on a vessel has a diameter of 21.2 feet and a pitch of 20.0 feet. What would be the apparent slip if the vessel cruised 391 miles in a 24 hour day (observed distance) at an average RPM of 88? 3053: The propeller on a vessel has a diameter of 19.9 feet and a pitch of 21.6 feet. What would be the apparent slip if the vessel cruised 395 miles in a 23 hour day (observed distance) at an average RPM of 78? 3054: The propeller on a vessel has a diameter of 22.8 feet and a pitch of 19.3 feet. What would be the apparent slip if the vessel cruised 287 miles in a 24 hour day (observed distance) at an average RPM of 67? 3055: The propeller on a vessel has a diameter of 24.6 feet and a pitch of 26.1 feet. What would be the apparent slip if the vessel cruised 462 miles in a 24 hour day (observed distance) at an average RPM of 72? 3056: The propeller on a vessel has a diameter of 18.8 feet and a pitch of 21.4 feet. What would be the slip if the vessel cruised 378 miles in a 24 hour day (observed distance) at an average RPM of 76? 3057: The propeller on a vessel has a diameter of 25.3 feet and a pitch of 23.2 feet. What would be the apparent slip if the vessel cruised 515 miles in a 23 hour day (observed distance) at an average RPM of 93? 3058: The propeller on a vessel has a diameter of 20.9 feet and a pitch of 19.6 feet. What would be the apparent slip if the vessel cruised 447 miles in a 23 hour day (observed distance) at an average RPM of 108? 3059: The propeller on a vessel has a diameter of 21.5 feet and a pitch of 24.5 feet. What would be the apparent slip if the vessel cruised 458 miles in a 23 hour day (observed distance) at an average RPM of 78? 3060: The propeller on a vessel has a diameter of 24.0 feet and a pitch of 21.3 feet. What would be the slip if the vessel cruised 510 miles in a 24 hour day (observed distance) at an average RPM of 86? 3061: The propeller on a vessel has a diameter of 20.2 feet and a pitch of 19.0 feet. What would be the apparent slip if the vessel cruised 367 miles in a 24 hour day (observed distance) at an average RPM of 84? 3062: The propeller on your vessel has a pitch of 22.8 feet. From 0800, 18 April, to 1020, 19 April, you steamed an observed distance of 403.6 miles. If your average RPM was 74, what was the slip? 3063: The observed distance for a day's run was 302.7 miles. The propeller had a pitch of 20'06", and the average RPM was 67. What was the slip? 3064: The propeller of a vessel has a pitch of 19.0 feet. If the vessel traveled 183.5 miles (observed distance) in 24 hours at an average of 44 RPM, what was the slip? 3065: The propeller on your vessel has a pitch of 18'09". If the observed distance for a day's run was 399.4 miles and the average RPM was 86, which statement is TRUE? 3066: The observed noon to noon run for a 24 hour period is 489 miles. The average RPM for the day was 95. The pitch of the wheel is 22.5 feet. What is the slip of the wheel? 3067: From 1020, 3 March, to 1845, 5 March, your vessel steamed an observed distance of 845.6 miles. The average RPM was 78, and the pitch of the propeller was 20'03". What was the slip? 3068: Your vessel's propeller has a pitch of 22'06". From 0530, 19 March, to 1930, 20 March, the average RPM was 82. The distance run by observation was 721.5 miles. What was the slip? 3069: If the speed necessary for reaching port at a designated time is 18.5 knots and the pitch of the propeller is 21.7 feet, how many revolutions per minute will the shaft have to turn, assuming a 4% negative slip? 3070: If the speed necessary for reaching port at a designated time is 19.6 knots and the pitch of the propeller is 24.6 feet, how many revolutions per minute will the shaft have to turn, assuming a 5% positive slip? 3071: If the speed necessary for reaching port at a designated time is 20.7 knots and the pitch of the propeller is 23.8 feet, how many revolutions per minute will the shaft have to turn, assuming a 3% negative slip? 3072: If the speed necessary for reaching port at a designated time is 17.4 knots and the pitch of the propeller is 25.6 feet, how many revolutions per minute will the shaft have to turn, assuming a 3% positive slip? 3073: If the speed necessary for reaching port at a designated time is 16.8 knots and the pitch of the propeller is 22.3 feet, how many revolutions per minute will the shaft have to turn, assuming a 4% negative slip? 3074: If the speed necessary for reaching port at a designated time is 19.2 knots and the pitch of the propeller is 22.7 feet, how many revolutions per minute will the shaft have to turn, assuming a 4% positive slip? 3075: If the speed necessary for reaching port at a designated time is 15.7 knots and the pitch of the propeller is 23.4 feet, how many revolutions per minute will the shaft have to turn, assuming a 6% negative slip? 3076: If the speed necessary for reaching port at a designated time is 16.4 knots and the pitch of the propeller is 23.8 feet, how many revolutions per minute will the shaft have to turn, assuming a 6% positive slip? 3077: If the speed necessary for reaching port at a designated time is 23.7 knots and the pitch of the propeller is 20.8 feet, how many revolutions per minute will the shaft have to turn, assuming a 7% negative slip? 3078: If the speed necessary for reaching port at a designated time is 17.8 knots and the pitch of the propeller is 24.7 feet, how many revolutions per minute will the shaft have to turn, assuming a 7% positive slip? 3079: If the speed necessary for reaching port at a designated time is 18.2 knots and the pitch of the propeller is 23.9 feet, how many revolutions per minute will the shaft have to turn, assuming a 2% negative slip? 3080: If the speed necessary for reaching port at a designated time is 21.6 knots and the pitch of the propeller is 22.5 feet, how many revolutions per minute will the shaft have to turn, assuming a 2% positive slip? 3081: If the speed necessary for reaching port at a designated time is 12.6 knots and the pitch of the propeller is 13.6 feet, how many revolutions per minute will the shaft have to turn, assuming no slip? 3082: The speed of advance necessary to arrive in port at a designated time is 15.8 knots. The pitch of the propeller is 20.75 feet. You estimate 5% positive slip. How many RPM must you turn to make the necessary speed? 3083: The speed necessary to reach port at a designated time is 18.7 knots. The propeller pitch is 24'03", and you estimate 3% positive slip. How many RPM's will the shaft have to turn? 3084: If the speed necessary for reaching port at a designated time is 18.6 knots, and the pitch of the propeller is 26.2 feet, how many revolutions per minute will the shaft have to turn, assuming a 4% negative slip. 3085: You must average 16.25 knots to reach port at a designated time. Your propeller has a pitch of 21'08", and you estimate 4% negative slip. How many RPM's must you average to arrive on time? 3086: If the pitch of the propeller is 19.7 feet, and the revolutions per day are 86,178, calculate the days run allowing 3% negative slip. 3087: If the pitch of the propeller is 20.6 feet, and the revolutions per day are 107,341, calculate the days run allowing 3% positive slip. 3088: If the pitch of the propeller is 21.5 feet, and the revolutions per day are 96,666, calculate the days run allowing 9% negative slip. 3089: If the pitch of the propeller is 22.4 feet, and the revolutions per day are 103,690, calculate the days run allowing 9% positive slip. 3090: If the pitch of the propeller is 26.3 feet, and the revolutions per day are 87,421, calculate the days run allowing 7% negative slip. 3091: If the pitch of the propeller is 25.1 feet, and the revolutions per day are 91,591, calculate the days run allowing 7% positive slip. 3092: If the pitch of the propeller is 24.8 feet, and the revolutions per day are 93,373, calculate the days run allowing 11% positive slip. 3093: If the pitch of the propeller is 23.2 feet, and the revolutions per day are 94,910, calculate the days run allowing 11% negative slip. 3094: If the pitch of the propeller is 26.7 feet, and the revolutions per day are 131,717, calculate the days run allowing 4% negative slip. 3095: If the pitch of the propeller is 21.3 feet, and the revolutions per day are 126,214, calculate the days run allowing 4% positive slip. 3096: If the pitch of the propeller is 20.1 feet, and the revolutions per day are 118,178, calculate the days run allowing 6% negative slip. 3097: If the pitch of the propeller is 19.4 feet, and the revolutions per day are 96,713, calculate the days run allowing 6% positive slip. 3098: If the pitch of the propeller is 21.2 feet, and the revolutions per day are 93,660, calculate the days run allowing 5% positive slip. 3099: The propellers on your twin screw vessel have a pitch of 16'04". What is the distance in a day's run if the average RPM is 94, and you estimate 7% positive slip? 3100: The pitch of the propeller on your vessel is 19'09". You estimate the slip at -3%. If you averaged 82 RPM for the day's run, how many miles did you steam? 3101: You are turning 100 RPM, with a propeller pitch of 25 feet, and an estimated slip of -5%. What is the speed of advance? 3102: You are turning 88 RPM, with a propeller pitch of 19 feet, and an estimated slip of 0%. What is the speed of advance? 3103: You are turning 93 RPM, with a propeller pitch of 25 feet, and an estimated slip of 0%. What is the speed of advance? 3104: You are turning 84 RPM, with a propeller pitch of 22 feet, and an estimated slip of 0%. What is the speed of advance? 3105: You are turning 82 RPM, with a propeller pitch of 23 feet, and an estimated slip of +6%. What is the speed of advance? 3106: You are turning 85 RPM, with a propeller pitch of 19 feet, and an estimated slip of +3%. What is the speed of advance? 3107: You are turning 68 RPM, with a propeller pitch of 18 feet, and an estimated slip of +2%. What is the speed of advance? 3108: You are turning 105 RPM, with a propeller pitch of 17 feet, and an estimated slip of -1%. What is the speed of advance? 3109: You are turning 90 RPM, with a propeller pitch of 24 feet, and an estimated slip of -3%. What is the speed of advance? 3110: You are turning 78 RPM, with a propeller pitch of 21 feet, and an estimated slip of -7%. What is the speed of advance? 3111: You are turning 100 RPM, with propeller pitch of 25 feet, and an estimated negative slip of 5%. What is the speed of advance? 3112: While enroute from Montevideo to Walvis Bay a vessel's course is 116ø psc. The variation for the locality is 25ø W and the deviation is 6ø W. What is the true course made good if a southerly wind produces 1ø leeway? 3250: You are taking a time tick using the 1200 signal from Valparaiso, Chile. You hear a series of 1 second dashes followed by a 9 second silent period, then a long 1.3 second dash. At the beginning of the long dash, your comparing watch reads 12h 00m 18s. When compared to the chronometer, the comparing watch reads 12h 01m 23s, and the chronometer reads 11h 59m 35s. What is the chronometer error? 3251: You have steamed 916 miles at 13 knots, and consumed 166 tons of fuel. If you have 203 tons of usable fuel remaining, how far can you steam at 14 knots? 3252: You have steamed 803 miles at 13 knots, and consumed 179 tons of fuel. If you have 371 tons of usable fuel remaining, how far can you steam at 16 knots? 3253: You have steamed 925 miles at 13.5 knots, and consumed 181 tons of fuel. If you have 259 tons of usable fuel remaining, how far can you steam at 16 knots? 3254: You have steamed 746 miles at 14.0 knots, and consumed 152 tons of fuel. If you have 201 tons of usable fuel remaining, how far can you steam at 10 knots? 3255: You have steamed 836 miles at 14.5 knots, and consumed 191 tons of fuel. If you have 310 tons of usable fuel remaining, how far can you steam at 17 knots? 3256: You have steamed 918 miles at 15.0 knots, and consumed 183 tons of fuel. If you have 200 tons of usable fuel remaining, how far can you steam at 12 knots? 3257: You have steamed 824 miles at 15.5 knots, and consumed 179 tons of fuel. If you have 221 tons of usable fuel remaining, how far can you steam at 18 knots? 3258: You have steamed 525 miles at 16.0 knots, and consumed 105 tons of fuel. If you have 308 tons of usable fuel remaining, how far can you steam at 19 knots? 3259: You have steamed 607 miles at 17.0 knots, and consumed 121 tons of fuel. If you have 479 tons of usable fuel remaining, how far can you steam at 14.5 knots? 3260: You have steamed 726 miles at 17.5 knots, and consumed 138 tons of fuel. If you have 252 tons of usable fuel remaining, how far can you steam at 13.5 knots? 3261: You have steamed 701 miles at 18.0 knots, and consumed 201 tons of fuel. If you have 259 tons of usable fuel remaining, how far can you steam at 14.5 knots? 3262: You have steamed 632 miles at 18.5 knots, and consumed 197 tons of fuel. If you have 278 tons of usable fuel remaining, how far can you steam at 15.0 knots? 3263: You have steamed 1124 miles at 21 knots, and consumed 326 tons of fuel. If you have 210 tons of usable fuel remaining, how far can you steam at 17 knots? 3264: You have steamed 1134 miles at 10 knots, and consumed 121 tons of fuel. If you have to steam 1522 miles to complete the voyage, how many tons of fuel will be consumed while steaming at 12 knots? 3265: You have steamed 1587 miles at 11.2 knots, and have consumed one-half of your total fuel capacity of 2840 bbls. What is the maximum speed you can steam to complete the remaining 1951 miles? 3266: Your vessel has consumed 1087 bbls of fuel after steaming 2210 miles at a speed of 10.75 kts. What is the maximum speed you can steam for the last 1000 miles of the voyage on the remaining 725 bbls, if you estimate 3% of the fuel is not usable? 3267: Your vessel arrives in port with sufficient fuel to steam 726 miles at 16 knots. If you are unable to take on bunkers, at what speed must you proceed to reach your next port, 873 miles distant? 3268: Your vessel arrives in port with sufficient fuel to steam 595 miles at 14 knots. If you are unable to take on bunkers, at what speed must you proceed to reach your next port, 707 miles distant? 3269: Your vessel arrives in port with sufficient fuel to steam 812 miles at 15 knots. If you are unable to take on bunkers, at what speed must you proceed to reach your next port, 928 miles distant? 3270: Your vessel arrives in port with sufficient fuel to steam 1260 miles at 18 knots. If you are unable to take on bunkers, at what speed must you proceed to reach your next port, 1423 miles distant? 3271: Your vessel arrives in port with sufficient fuel to steam 550 miles at 13 knots. If you are unable to take on bunkers, at what speed must you proceed to reach your next port, 683 miles distant? 3272: Your vessel arrives in port with sufficient fuel to steam 775 miles at 17 knots. If you are unable to take on bunkers, at what speed must you proceed to reach your next port, 977 miles distant? 3273: Your vessel arrives in port with sufficient fuel to steam 1175 miles at 19 knots. If you are unable to take on bunkers, at what speed must you proceed to reach your next port, 1341 miles distant? 3274: Your vessel arrives in port with sufficient fuel to steam 1066 miles at 21 knots. If you are unable to take on bunkers, at what speed must you proceed to reach your next port, 1251 miles distant? 3275: You have steamed 989 miles at 16.5 knots, and consumed 215 tons of fuel. If you have 345 tons of usable fuel remaining, how far can you steam at 13 knots? 3276: While steaming at 15 knots, your vessel burns 326 bbls of fuel per day. What will be the rate of fuel consumption if you decrease speed to 12.2 knots? 3277: While steaming at 12.3 knots, your vessel burns 168 bbls of fuel per day. What will be the rate of fuel consumption if you increase speed to 13.5 knots? 3278: While steaming at 14 knots, your vessel burns 276 bbls of fuel per day. What will be the rate of fuel consumption if you decrease speed to 11.7 knots? 3279: While steaming at 15.0 knots, your vessel consumes 326 barrels of fuel oil per day. In order to reduce consumption to 178 barrels of fuel oil per day, what is the maximum speed the vessel can turn for? 3280: While steaming at 14.5 knots, your vessel consumes 319 barrels of fuel oil per day. In order to reduce consumption to 217 barrels of fuel oil per day, what is the maximum speed the vessel can turn for? 3281: While steaming at 15.7 knots, your vessel consumes 329 barrels of fuel oil per day. In order to reduce consumption to 267 barrels of fuel oil per day, what is the maximum speed the vessel can turn for? 3282: While steaming at 16.3 knots, your vessel consumes 363 barrels of fuel oil per day. In order to reduce consumption to 298 barrels of fuel oil per day, what is the maximum speed the vessel can turn for? 3283: While steaming at 17.5 knots, your vessel consumes 378 barrels of fuel oil per day. In order to reduce consumption to 194 barrels of fuel oil per day, what is the maximum speed the vessel can turn for? 3284: While steaming at 18.9 knots, your vessel consumes 386 barrels of fuel oil per day. In order to reduce consumption to 251 barrels of fuel oil per day, what is the maximum speed the vessel can turn for? 3285: While steaming at 19.4 knots, your vessel consumes 392 barrels of fuel oil per day. In order to reduce consumption to 182 barrels of fuel oil per day, what is the maximum speed the vessel can turn for? 3286: While steaming at 14.5 knots, your vessel consumes 242 barrels of fuel oil per day. In order to reduce consumption to 152 barrels of fuel oil per day, what is the maximum speed the vessel can turn for? 3287: While steaming at 16.5 knots, your vessel consumes 349 barrels of fuel oil per day. In order to reduce consumption to 189 barrels of fuel oil per day, what is the maximum speed the vessel can turn for? 3288: While steaming at 13.5 knots, your vessel consumes 251 barrels of fuel oil per day. In order to reduce consumption to 129 barrels of fuel oil per day, what is the maximum speed the vessel can turn for? 3289: While steaming at 17.0 knots, your vessel consumes 382 barrels of fuel oil per day. In order to reduce consumption to 223 barrels of fuel oil per day, what is the maximum speed the vessel can turn for? 3290: While steaming at 15.5 knots, your vessel consumes 333 barrels of fuel oil per day. In order to reduce consumption to 176 barrels of fuel oil per day, what is the maximum speed the vessel can turn for? 3291: While steaming at 19.5 knots, your vessel burns 297 bbls of fuel per day. What will be the rate of fuel consumption if you decrease speed to 15 knots? 3292: Your vessel consumes 215 barrels of fuel per day at a speed of 18.0 knots. What will be the fuel consumption of your vessel at 14.0 knots? 3293: Your vessel consumes 274 barrels of fuel per day at a speed of 17.5 knots. What will be the fuel consumption of your vessel at 13.5 knots? 3294: Your vessel consumes 268 barrels of fuel per day at a speed of 19.0 knots. What will be the fuel consumption of your vessel at 15.0 knots? 3295: Your vessel consumes 178 barrels of fuel per day at a speed of 13.5 knots. What will be the fuel consumption of your vessel at 15.0 knots? 3296: Your vessel consumes 199 barrels of fuel per day at a speed of 14.5 knots. What will be the fuel consumption of your vessel at 10.0 knots? 3297: Your vessel consumes 236 barrels of fuel per day at a speed of 16.5 knots. What will be the fuel consumption of your vessel at 13.0 knots? 3298: Your vessel consumes 216 barrels of fuel per day at a speed of 15.0 knots. What will be the fuel consumption of your vessel at 17.5 knots? 3299: You have steamed 174 miles and consumed 18 tons of fuel. If you maintain the same speed, how many tons of fuel will you consume while steaming 416 miles? 3300: You have steamed 156 miles and consumed 19 tons of fuel. If you maintain the same speed, how many tons of fuel will you consume while steaming 273 miles? 3301: You have steamed 217 miles and consumed 23.0 tons of fuel. If you maintain the same speed, how many tons of fuel will you consume while steaming 362 miles? 3302: You have steamed 132 miles and consumed 14.0 tons of fuel. If you maintain the same speed, how many tons of fuel will you consume while steaming 289 miles? 3303: You have steamed 174 miles and consumed 18.0 tons of fuel. If you maintain the same speed, how many tons of fuel will you consume while steaming 416 miles? 3304: You have steamed 265 miles and consumed 25.0 tons of fuel. If you maintain the same speed, how many tons of fuel will you consume while steaming 346 miles? 3305: You have steamed 201 miles and consumed 18.0 tons of fuel. If you maintain the same speed, how many tons of fuel will you consume while steaming 482 miles? 3306: You have steamed 264 miles and consumed 22.0 tons of fuel. If you maintain the same speed, how many tons of fuel will you consume while steaming 521 miles? 3307: You have steamed 182 miles and consumed 16.0 tons of fuel. If you maintain the same speed, how many tons of fuel will you consume while steaming 392 miles? 3308: You have steamed 142 miles and consumed 21.0 tons of fuel. If you maintain the same speed, how many tons of fuel will you consume while steaming 465 miles? 3309: You have steamed 142 miles and consumed 15.0 tons of fuel. If you maintain the same speed, how many tons of fuel will you consume while steaming 472 miles? 3310: You have steamed 216 miles and consumed 19.0 tons of fuel. If you maintain the same speed, how many tons of fuel will you consume while steaming 315 miles? 3311: You have steamed 162 miles and consumed 14.0 tons of fuel. If you maintain the same speed, how many tons of fuel will you consume while steaming 285 miles? 3312: You have steamed 199 miles and consumed 23.0 tons of fuel. If you maintain the same speed, how many tons of fuel will you consume while steaming 410 miles? 3313: You have steamed 300 miles and consumed 34 tons of fuel. If you maintain the same speed, how many tons of fuel will you consume while steaming 700 miles? 3314: You have steamed 150 miles and consumed 17 tons of fuel. If you maintain the same speed, how many tons of fuel will you consume while steaming 350 miles? 3317: Your vessel consumes 156 barrels of fuel per day at a speed of 13.0 knots. What will be the fuel consumption of your vessel at 16.0 knots? 3318: While steaming at 12 knots, your vessel burns 45 tons of fuel per day. What will be the rate of fuel consumption if you decrease speed to 11.5 knots? 3319: You are taking a time tick using the 2000 signal from Kekaha-Kauai, Hawaii (WWVH). You hear a series of 1 second dashes followed by a 9 second silent period, then a long 1.3 second dash. At the beginning of the long dash, your comparing watch reads 08h 00m 12s. When compared to the chronometer, the comparing watch reads 08h 01m 22s, and the chronometer reads 07h 59m 39s. What is the chronometer error? 3451: You are underway and intend to make good a course of 040ø T. You experience a current with a set and drift of 190ø T at 1.4 knots, and a northwest wind produces a leeway of 3ø. You adjust your course to compensate for the current and leeway, while maintaining an engine speed of 10 knots. What will be your speed made good over your intended course of 040ø T? 3452: You wish to make good a course of 035ø T while turning for an engine speed of 12 knots. The set is 340ø T, and the drift is 2 knots. What course should you steer? 3453: You wish to make good a course of 350ø T while turning for an engine speed of 10 knots. The set is 070ø T, and the drift is 1.5 knots. What course should you steer? 3454: You wish to make good a course of 300ø T while turning for an engine speed of 11 knots. The set is 350ø T, and the drift is 2.1 knots. Which course should you steer? 3455: You wish to make good a course of 230ø T while turning for an engine speed of 12.5 knots. The set is 180ø T, and the drift is 1.7 knots. What course should you steer? 3456: You wish to make good a course of 053ø T while turning for an engine speed of 16 knots. The set is 345ø T, and the drift is 2.4 knots. What course should you steer? 3457: You wish to make good a course of 035ø T while turning for an engine speed of 12 knots. The set is 340ø T, and the drift is 2 knots. What speed will you make good along the track line? 3458: You wish to make good a course of 350ø T while turning for an engine speed of 10 knots. The set is 070ø T, and the drift is 1.5 knots. What speed will you make good along the track line? 3459: You wish to make good a course of 300ø T while turning for an engine speed of 11 knots. The set is 350ø T, and the drift is 2.1 knots. What speed will you make good along the track line? 3460: You wish to make good a course of 230ø T while turning for an engine speed of 12.5 knots. The set is 180ø T, and the drift is 1.7 knots. What speed will you make good along the track line? 3461: You wish to make good a course of 053ø T while turning for an engine speed of 16 knots. The set is 345ø T, and the drift is 2.4 knots. What speed will you make good along the track line? 3462: You are underway on course 160ø T at 10 knots. The current is 210ø T at 0.9 knots. What is the course made good? 3463: You are underway on course 215ø T at 12 knots. The current is 000ø T at 2.3 knots. What is the course made good? 3464: You are underway on course 315ø T at 14 knots. The current is 135ø T at 1.9 knots. What is the course being made good? 3465: You are underway on course 000ø T at 9.5 knots. The current is 082ø T at 1.1 knots. What is the course being made good? 3466: You are underway on course 172ø T at 18.5 knots. The current is 078ø T at 2.8 knots. What is the course made good? 3467: You are underway on course 160ø T at 10 knots. The current is 210ø T at 0.9 knots. What is the speed being made good? 3468: You are underway on course 215ø T at 12 knots. The current is 000ø T at 2.3 knots. What is the speed being made good? 3469: You are underway on course 315ø at 14 knots. The current is 135ø T at 1.9 knots. What is the speed being made good? 3470: You are underway on course 000ø at 9.5 knots. The current is 082ø T at 1.1 knots. What is the speed being made good? 3471: You are underway on course 172ø T at 18.5 knots. The current is 078ø T at 2.8 knots. What is the speed being made good? 3472: You are taking a time tick using the 2000 signal from Kekaha-Kauai, Hawaii (WWVH). You hear a series of 1 second dashes followed by a 9 second silent period, then a long 1.3 second dash. At the beginning of the long dash, your comparing watch reads 08h 00m 49s. When compared to the chronometer, the comparing watch reads 08h 01m 33s, and the chronometer reads 08h 00m 56s. What is the chronometer error? 3601: ou are steering 142ø pgc to make good your desired course. A southwesterly wind is causing 3ø leeway. The gyro error is 1ø E . The variation is 8ø W. What should you steer by standard magnetic compass to make good the desired course? DEVIATION TABLE MAGNETIC HEADING DEV. 120ø 4ø E 135ø 2ø E 3602: You are heading 328ø pgc to make good a course of 332ø T, allowing 3ø leeway for westerly winds and 1ø E gyro error. The variation is 17ø E. What should your heading be by standard magnetic compass to make good 332ø. DEVIATION TABLE MAGNETIC HEADING DEV. 345ø 1ø E 330ø 1ø W 315ø 3ø W 3603: You are steering 318ø psc. A northeasterly wind causes 3ø of leeway. The variation is 14ø E and the deviation table is extracted below. What will be the true course made good? DEVIATION TABLE MAGNETIC HEADING DEV. 300ø 2ø E 330ø 2ø W 3604: You wish to make good a course of 258ø T, allowing 4ø leeway for northerly winds. The variation is 21ø W. What should you steer per standard magnetic compass to make good 258ø T? DEVIATION TABLE MAGNETIC HEADING DEV. 285ø 5ø E 270ø 3ø E 255ø 1ø E 240ø 1ø W 3605: The true course from point A to point B is 317ø. A SSW wind causes a 4ø leeway, variation is 6ø W and deviation is 1ø E. What is the magnetic compass course to steer to make good the true course? 3606: You are steering 154ø pgc. The wind is southwest causing 4² leeway. The gyro error is 3ø E, variation is 11ø W and deviation is 7ø E. What is the true course made good? 3607: You desire to make good 152ø T. The magnetic compass deviation is 4ø E, the variation is 5ø E, and the gyro error is 3ø E. A southwesterly wind produces a 4ø leeway. Which course would you steer per standard compass to make good the true course? 3608: You are steering 125ø pgc. The wind is southwest by south causing a 3ø leeway. The variation is 6ø E, the deviation is 2ø W, and the gyro error is 1ø W. What is the true course made good? 3609: Enroute from Rio to Montevideo, the true course is 215ø; the gyro error is 2ø west. A north wind causes 3ø leeway. What course would you steer per gyrocompass to make good the true course? 3610: While enroute from Sydney to the Panama Canal a vessel's true course is 071ø. Variation is 14ø E. Deviation is 4ø W. A northerly breeze causes 2ø leeway. What course would you steer psc in order to make good the true course? 3611: The track line on the chart is 274ø T. Variation is 4ø E, and deviation is 2ø E. The gyro error is 1.5ø E. What course would be steered by gyrocompass to make good the desired course? 3612: Your vessel is steering 195ø per standard magnetic compass. Variation for the area is 13ø W, and the deviation is 4ø E. The wind is from the west-southwest, producing a 2ø leeway. Which true course are you making good? 3613: You are steering a magnetic compass course of 075ø. The variation for the area is 10ø W, and the compass deviation is 5ø E. What is the true course you are steering? 3614: The true course between two points is 057ø. Your gyrocompass has an error of 3ø east and you make an allowance of 1ø leeway for a north-northwest wind. Which gyro course should be steered to make the true course good? 3615: You want to make good a true course of 137ø. A north-northeast wind produces a 3ø leeway. The variation is 11ø west, deviation is 5ø east, and gyrocompass error is 2ø east. What course must you steer per gyrocompass to make the true course good? 3616: You desire to make good a true course of 046ø. The variation is 6ø E, magnetic compass deviation is 12ø W, and the gyrocompass error is 3ø W. A northerly wind produces a 5ø leeway. What is the course to steer per standard magnetic compass to make good the true course? 3617: Your vessel is steering course 299ø psc, variation for the area is 7ø W, and deviation is 4ø W. The wind is from the southwest, producing a 3ø leeway. What true course are you making good? 3618: Your vessel is steering course 027ø per standard magnetic compass (psc), variation for the area is 19ø W, and deviation is 2ø E. The wind is from the north-northwest, producing a 5ø leeway. What true course are you making good? 3619: Your vessel is steering course 149ø psc, variation for the area is 13ø E, and deviation is 4ø E. The wind is from the north, producing a 4ø leeway. What true course are you making good? 3620: Your vessel is steering course 197ø psc, variation for the area is 7ø E, and deviation is 4ø W. The wind is from the west, producing a 2ø leeway. Which true course are you making good? 3621: Your vessel is steering course 216ø per standard magnetic compass, variation for the area is 9ø W, and deviation is 2ø E. The wind is from the east, producing a 5ø leeway. What true course are you making good? 3622: Your vessel is steering a course of 337ø psc. Variation for the area is 13ø W, and deviation is 4ø E. The wind is from the south, producing a 3ø leeway. Which true course are you making good? 3623: Your vessel is steering course 166ø psc, variation for the area is 8ø W, and deviation is 3ø W. The wind is from the west-southwest, producing a 2ø leeway. What true course are you making good? 3624: Your vessel is steering course 073ø psc, variation for the area is 15ø E, and deviation is 4ø E. The wind is from the southeast, producing a 4ø leeway. Which true course are you making good? 3625: Your vessel is steering course 111ø psc, variation for the area is 5ø E, and deviation is 3ø W. The wind is from the northwest, producing a 1ø leeway. What true course are you making good? 3626: Your vessel is steering course 284ø psc, variation for the area is 6ø W, and deviation is 3ø E. The wind is from the north-northeast, producing a 3ø leeway. What true course are you making good? 3627: Your vessel is steering course 243ø psc. Variation for the area is 5ø E, and deviation is 2ø W. The wind is from the south-southeast, producing a 2ø leeway. What true course are you making good? 3628: Your vessel is steering course 352ø psc, variation for the area is 11ø E, and deviation is 9ø W. The wind is from the northeast, producing a 1ø leeway. What true course are you making good? 3629: You desire to make good a true course of 129ø. The variation is 7ø E, magnetic compass deviation is 4ø E, and gyrocompass error is 2ø W. An easterly wind produces a 4ø leeway. What is the course to steer per standard magnetic compass to make the true course good? 3630: You desire to make good a true course of 203ø. The variation is 19ø E, magnetic compass deviation is 2ø W, and gyrocompass error is 1ø E. A westerly wind produces a 3ø leeway. What is the course to steer per standard magnetic compass to make the true course good? 3631: You desire to make good a true course of 329ø. The variation is 13² W, magnetic compass deviation is 4ø E, and gyrocompass error is 2ø W. A southerly wind produces a 1ø leeway. What is the course to steer per standard magnetic compass to make the true course good? 3632: You desire to make good a true course of 157ø. The variation is 15ø E, magnetic compass deviation is 9ø W, and gyrocompass error is 3ø E. A southwesterly wind produces a 2ø leeway. What is the course to steer per standard magnetic compass to make the true course good? 3633: You desire to make good a true course of 067ø. The variation is 11ø W, magnetic compass deviation is 3ø E, and gyrocompass error is 1ø W. A northwesterly wind produces a 5ø leeway. What is the course to steer per standard magnetic compass to make the true course good? 3634: You desire to make good a true course of 038ø. The variation is 5ø E, magnetic compass deviation is 4ø W, and gyrocompass error is 4ø W. A southeasterly wind produces a 4ø leeway. What is the course to steer per standard magnetic compass to make the true course good? 3635: You desire to make good a true course of 236ø. The variation is 8ø E, magnetic compass deviation is 1ø E, and gyrocompass error is 3ø W. A south-southeasterly wind produces a 1ø leeway. What is the course to steer per standard magnetic compass (psc) to make the true course good? 3636: You desire to make good a true course of 279ø. The variation is 8ø W, magnetic compass deviation is 3ø E, and gyrocompass error is 1ø E. A north-northwesterly wind produces 3ø leeway. What is the course to steer per standard magnetic compass (psc) to make the true course good? 3637: You desire to make good a true course of 347ø. The variation is 11ø E, magnetic compass deviation is 7ø W, and gyrocompass error is 4ø W. A north by east wind produces a 4ø leeway. What is the course to steer per standard magnetic compass to make the true course good? 3638: You desire to make good a true course of 007ø. The variation is 5ø E, magnetic compass deviation is 3ø W, and gyrocompass error is 2ø E. A southwest by west wind produces a 2ø leeway. What is the course to steer per standard magnetic compass to make the true course good? 3639: You desire to make good a true course of 132ø. The variation is 10ø W, magnetic compass deviation is 5ø E, and gyrocompass error is 5ø W. A northeast by east wind produces a 5ø leeway. What is the course to steer per standard magnetic compass to make the true course good? 3640: You desire to make good a true course of 223ø. The variation is 2ø E, magnetic compass deviation is 2ø E, and gyrocompass error is 1ø W. An east-southeast wind produces 3ø leeway. What is the course to steer per standard magnetic compass to make the true course good? 3641: You desire to make good a true course of 174ø. The variation is 17ø W, magnetic compass deviation is 4ø W, and gyrocompass error is 4ø E. A west-southwest wind produces a 4ø leeway. What is the course to steer per standard magnetic compass to make the true course good? 3642: You are steering 154ø per gyrocompass. The wind is northeast by east, causing 4ø leeway. The gyro error is 3ø east, variation is 11ø west, and deviation is 7ø E. What is the true course made good? 3643: While enroute from Montevideo to Walvis Bay a vessel's course is 116ø psc. The variation for the locality is 25ø W and the deviation is 6ø W. What is the true course made good if a northerly wind produces 1ø leeway? 3644: While enroute from Capetown to Rio a vessel's course is 281ø pgc. The variation for the locality is 24ø W. The deviation is 4ø E. The gyro error is 2ø W. What is the true course made good? 3645: The true course between two points is 119ø. Your gyrocompass has an error of 3ø E. You allow of 4ø leeway for a south-southwest wind. What gyro course should be steered to make the true course good? 3646: The true course between two points is 041ø. Your gyrocompass has an error of 1ø W. You make an allowance of 2ø leeway for a east-southeast wind. What gyro course should be steered to make the true course good? 3647: The true course between two points is 220ø. Your gyrocompass has an error of 1ø E. You make an allowance of 1ø leeway for a north-northwest wind. What gyro course should be steered to make the true course good? 3648: The true course between two points is 312ø. Your gyrocompass has an error of 3ø W. You make an allowance of 4ø leeway for a west by south wind. What gyro course should be steered to make the true course good? 3649: The true course between two points is 078ø. Your gyrocompass has an error of 2ø E. You make an allowance of 3ø leeway for a north wind. What gyro course should be steered to make the true course good? 3650: The true course between two points is 194ø. Your gyrocompass has an error of 2ø W and you make an allowance of 1ø leeway for a southwest wind. What gyro course should you steer to make the true course good? 3651: The true course between two points is 337ø. Your gyrocompass has an error of 3ø E and you make an allowance of 5ø leeway for a west wind. Which gyro course should be steered to make the true course good? 3652: The true course between two points is 023ø. Your gyrocompass has an error of 1ø W and you make an allowance of 4ø leeway for an east wind. What gyro course should be steered to make the true course good? 3653: The true course between two points is 106ø. Your gyrocompass has an error of 2ø E and you make an allowance of 2ø leeway for a south wind. What gyro course should be steered to make the true course good? 3654: You are taking a time tick using the 2000 signal from Kekaha-Kauai, Hawaii (WWVH). You hear a series of 1 second dashes followed by a 9 second silent period, then a long 1.3 second dash. At the beginning of the long dash, your comparing watch reads 07h 59m 54s. When compared to the chronometer, the comparing watch reads 08h 00m 00s, and the chronometer reads 08h 00m 06s. What is the chronometer error? 3751: While proceeding up a channel on course 010ø per gyro compass, you notice a pair of range lights in alignment with the masts of your vessel when viewed forward. A check of the chart shows the range to be 009ø T and the variation to be 15ø W. If the ship's course is 026ø psc, what is the deviation for the present heading? 3752: While your vessel is proceeding down a channel you notice a range of lights in line with your vessel's mast. If your vessel is on course 001ø per gyro compass and the charted value of the range of lights is 359ø T, what is the gyro compass error? 3753: Your vessel is proceeding up a channel, and you see a pair of range lights that are in line dead ahead. The chart indicates that the direction of this pair of lights is 343ø T, and the variation is 5ø west. If the heading of your vessel at the time of the sighting is 344ø per standard magnetic compass, what is the correct deviation? 3754: Your vessel is proceeding up a channel, and you see a pair of range lights that are in line ahead. The chart indicates that the direction of this pair of lights is 014ø T, and the variation is 11ø E. If the heading of your vessel at the time of the sighting is 009² per standard magnetic compass, what is the correct deviation? 3755: Your vessel is proceeding up a channel, and you see a pair of range lights that are in line ahead. The chart indicates that the direction of this pair of lights is 186ø T, and the variation is 11ø W. If the heading of your vessel at the time of the sighting is 193ø per standard magnetic compass, what is the correct deviation? 3756: Your vessel is proceeding up a channel, and you see a pair of range lights that are in line dead ahead. The chart indicates that the direction of this pair of lights is 093ø T, and the variation is 6ø E. If the heading of your vessel at the time of the sighting is 097ø per standard magnetic compass, what is the correct deviation? 3757: Your vessel is proceeding up a channel, and you see a pair of range lights that are in line ahead. The chart indicates that the direction of this pair of lights is 311ø T, and the variation is 8ø E. If the heading of your vessel at the time of the sighting is 305ø per standard magnetic compass, what is the correct deviation? 3758: Your vessel is proceeding up a channel, and you see a pair of range lights that are in line ahead. The chart indicates that the direction of this pair of lights is 212ø T, and the variation is 7ø W. If the heading of your vessel at the time of the sighting is 208ø per standard magnetic compass, what is the correct deviation? 3759: Your vessel is proceeding up a channel, and you see a pair of range lights that are in line ahead. The chart indicates that the direction of this pair of lights is 147ø T, and the variation is 5ø E. If the heading of your vessel at the time of the sighting is 148ø per standard magnetic compass, what is the correct deviation? 3760: Your vessel is proceeding up a channel, and you see a pair of range lights that are in line ahead. The chart indicates that the direction of this pair of lights is 352ø T, and the variation is 4ø W. If the heading of your vessel at the time of the sighting is 359ø per standard magnetic compass, what is the correct deviation? 3761: Your vessel is proceeding up a channel, and you see a pair of range lights that are in line dead ahead. The chart indicates that the direction of this pair of lights is 283ø T, and the variation is 13ø E. If the heading of your vessel at the time of the sighting is 278ø per standard compass, what is the deviation? 3762: Your vessel is proceeding up a channel, and you see a pair of range lights that are in line ahead. The chart indicates that the direction of this pair of lights is 196ø T, and the variation is 7ø E. If the heading of your vessel at the time of the sighting is 192ø per standard magnetic compass, what is the correct deviation? 3763: Your vessel is proceeding up a channel, and you see a pair of range lights that are in line dead ahead. The chart indicates that the direction of this pair of lights is 178ø T, and the variation is 9ø W. If the heading of your vessel at the time of the sighting is 180ø per standard magnetic compass, what is the deviation? 3764: Your vessel is proceeding up a channel, and you see a pair of range lights that are in line ahead. The chart indicates that the direction of this pair of lights is 064ø T, and the variation is 17ø W. If the heading of your vessel at the time of the sighting is 094ø per standard magnetic compass, what is the correct deviation? 3765: Your vessel is proceeding up a channel steering on a pair of range lights that are in line ahead. The chart indicates that the direction of this pair of lights is 249ø T, and the variation is 14ø E. If the heading of your vessel at the time of the sighting is 226ø per standard magnetic compass, what is the correct deviation? 3766: Your vessel is proceeding down a channel, and you see a pair of range lights that are in line dead ahead. The chart indicates that the direction of this pair of lights is 229ø T, and variation is 6ø W. If the heading of your vessel at the time of the sighting is 232ø per standard magnetic compass, what is the correct deviation? 3767: You are on course 251ø pgc and 241ø per magnetic compass, when you observe a range in line bearing 192ø pgc. The chart indicates that the range is in line on a bearing of 194ø T. The variation is 16ø E. What is the deviation of the magnetic compass? 3768: While entering a harbor on a course of 225ø per gyrocompass, you take a bearing on a pair of range lights and get 220ø per gyrocompass. The bearing on the chart is 217ø T. The variation for the area is 6ø W and deviation is 2ø W. What course would you steer per gyrocompass to make good a true course of 232ø? 3769: Entering a harbor, you take a bearing on a range and get 338ø per gyrocompass (pgc). The true bearing from the chart is 340ø T. Variation for the area is 14ø E. Your course is 329ø per standard magnetic compass (psc) and 338ø pgc. The deviation on this heading is _____________. 3770: You wish to check the deviation of your standard magnetic compass. You find a natural range that you steer for and note that the gyrocompass heading is 034ø, and the heading by standard magnetic compass is 026ø. The gyro error is 1ø W. Variation is 9ø E. What is the deviation for that heading? 3771: Two beacons form a range in the direction of 221.5ø T. The range is seen in line from your vessel bearing 223ø per gyro compass. The variation in the area is 4ø E. What is the error of your gyro compass? 3772: Your ship is entering port from sea, and you sight a pair of range lights. When in line, they bear 315ø per standard magnetic compass. The chart shows that the range bearing is 312ø T, and that variation is 6ø W. What is the deviation of your compass at the time of the sighting? 4000: You swung ship and compared the magnetic compass against the gyro compass to find deviation. Gyro error is 2ø E. The variation is 8ø W. Find the deviation on a magnetic compass heading of 057ø. HEADING HEADING HEADING PSC PGC PSC PGC PSC PGC 4001: You swung ship and compared the magnetic compass against the gyro compass to find deviation. Gyro error is 2ø E. The variation is 8ø W. Find the deviation on a magnetic compass heading of 143ø. HEADING HEADING HEADING PSC PGC PSC PGC PSC PGC 4002: You swung ship and compared the magnetic compass against the gyro compass to find deviation. Gyro error is 2ø E. The variation is 8ø W. Find the deviation on a true heading of HEADING HEADING HEADING PSC PGC PSC PGC PSC PGC 4003: You swung ship and compared the magnetic compass against the gyro compass to find deviation. Gyro error is 2ø W. The variation is 8ø W. Find the deviation on a gyro heading of HEADING HEADING HEADING PSC PGC PSC PGC PSC PGC 4004: You swung ship and compared the magnetic compass against the gyro compass to find deviation. Gyro error is 2ø W. The variation is 8ø W. Find the deviation on a magnetic compass heading of 166ø. HEADING HEADING HEADING PSC PGC PSC PGC PSC PGC 4005: You swung ship and compared the magnetic compass against the gyro compass to find deviation. Gyro error is 2ø W. The variation is 8ø W. Find the deviation on a magnetic compass heading of 022ø. HEADING HEADING HEADING PSC PGC PSC PGC PSC PGC 4006: You swung ship and compared the magnetic compass against the gyro compass to find deviation. Gyro error is 2ø W. The variation is 8ø W. Find the deviation on a true heading of HEADING HEADING HEADING PSC PGC PSC PGC PSC PGC 4007: You swung ship and compared the magnetic compass against the gyro compass to find deviation. Gyro error is 2ø E. The variation is 8ø W. Find the deviation on a gyro heading of HEADING HEADING HEADING PSC PGC PSC PGC PSC PGC 4008: You swung ship and compared the magnetic compass against the gyro compass to find deviation. Gyro error is 2ø E. The variation is 8ø W. Find the deviation on a gyro heading of HEADING HEADING HEADING PSC PGC PSC PGC PSC PGC 4009: You swung ship and compared the magnetic compass against the gyro compass to find deviation. Gyro error is 2ø E. The variation is 8ø W. Find the deviation on a true heading of HEADING HEADING HEADING PSC PGC PSC PGC PSC PGC 4010: You swung ship and compared the magnetic compass against the gyro compass to find deviation. Gyro error is 2ø E. The variation is 8ø W. Find the deviation on a magnetic compass heading of 104ø. HEADING HEADING HEADING PSC PGC PSC PGC PSC PGC 4011: You swung ship and compared the magnetic compass against the gyro compass to find deviation. Gyro error is 2ø E. The variation is 8ø W. Find the deviation on a magnetic compass heading of 234ø. HEADING HEADING HEADING PSC PGC PSC PGC PSC PGC 4012: You swung ship and compared the magnetic compass against the gyro compass to find deviation. Gyro error is 2ø W. The variation is 8ø W. Find the deviation on a magnetic compass heading of 210ø. HEADING HEADING HEADING PSC PGC PSC PGC PSC PGC 4013: You swung ship and compared the magnetic compass against the gyro compass to find deviation. Gyro error is 2ø W. The variation is 8ø W. Find the deviation on a gyro heading of HEADING HEADING HEADING PSC PGC PSC PGC PSC PGC 4014: You swung ship and compared the magnetic compass against the gyro compass to find deviation. Gyro error is 2ø W. The variation is 8ø W. Find the deviation on a true heading of HEADING HEADING HEADING PSC PGC PSC PGC PSC PGC 092.0ø - 084ø 210.0ø - 204ø 327.5ø - 324ø` 4015: You swung ship and compared the magnetic compass against the gyro compass to find deviation. Gyro error is 2ø W. The variation is 8ø W. Find the deviation on a true heading of HEADING HEADING HEADING PSC PGC PSC PGC PSC PGC 4016: You swung ship and compared the magnetic compass against the gyro compass to find deviation. Gyro error is 2ø W. The variation is 8ø W. Find the deviation on a magnetic compass heading of 004ø. HEADING HEADING HEADING PSC PGC PSC PGC PSC PGC 4017: You swung ship and compared the magnetic compass against the gyro compass to find deviation. Gyro error is 2ø E. The variation is 8ø W. Find the deviation on a gyro heading of HEADING HEADING HEADING PSC PGC PSC PGC PSC PGC 6143: At 2027 you obtain a radar range to Shagwong Point of 3.4 miles and a tangent bearing to the east end of Long Island of 172ø T. Which statement is TRUE? 6446: You continue on course from your 1126 fix. At 1131 Cape Charles Light bears 322ø T. At 1135 you change course to 000ø T. At 1149 Cape Henry Light bears 247ø T. Which statement concerning your 1149 running fix is TRUE? 6844: At 1010 your vessel passes close abeam to Buoy "NCB" in the inbound traffic lane. At this time the Chesapeake Bay Pilot informs you that he will not board your vessel until 1100. The pilot boat is located 1.5 miles northeast of Cape Henry Light. What should you reduce your speed to in order to arrive at the pilot boat at this time? 10100: Your loran shows a position of LAT 36ø59.0' N, LONG 75ø48.6' W. What is the course per standard magnetic compass to a position one mile south of Cape Charles Buoy "14" (which is positioned at LAT 37ø07.4' N, LONG 75ø41.0' W)? 10101: Your loran shows a position of LAT 36ø59.0' N, LONG 75ø48.6' W. What is the course per standard magnetic compass to a position one mile east of Cape Charles Buoy "14" (LAT 37ø07.4' N, LONG 75ø41.0' W)? 10102: Your loran shows a position of LAT 37ø07.5' N, LONG 75ø39.1' W. What is the course per standard magnetic compass(psc) to a position 0.3 mile due north of North Chesapeake Entrance Buoy NCA (LL #375)? 10103: Your loran shows a position of LAT 37ø01.5' N, LONG 75ø31.7' W. What is the course per standard magnetic compass to Chesapeake Light? 10104: Your loran shows a position of LAT 36ø55.2' N, LONG 75ø33.1' W. What is the course per standard magnetic compass to Rudee Inlet (LAT 36ø49.8' N, LONG 75ø58.0' W)? 10105: What is the course psc from Chesapeake Light to North Chesapeake Entrance Buoy NCA? 10106: What is the course per standard magnetic compass from Chesapeake Light to North Chesapeake Entrance Lighted Whistle Buoy NCA? 10107: What is the first course per standard magnetic compass (psc) in the outbound southeasterly traffic lane of the Chesapeake Bay entrance traffic separation scheme? 10108: What is the base course per standard magnetic compass while southbound in the middle leg of York Spit Channel? 10109: What is the base course psc in the inbound northeasterly traffic lane of the Chesapeake Bay entrance traffic separation scheme? 10200: Your loran shows a fix position of LAT 41ø10.0' N, LONG 72ø52.5' W. What is the course per standard magnetic compass to a position one mile due south of Falkner Island Light? 10201: Your present position is LAT 41ø05.5' N, LONG 72ø38.0' W. Assuming that there are no set and drift, what course must you steer per standard magnetic compass (psc) to arrive at a position 0.5 mile due south of New Haven Lighted whistle Buoy NH? 10202: Your present position is LAT 41ø05.5' N, LONG 72ø38.0' W. Assuming that there is no set and drift, what course must you steer per standard magnetic compass (psc) to arrive at a position midway between New Haven Harbor Channel buoys #1 and #2? 10203: Your present position is LAT 41ø05.5' N, LONG 72ø38.0' W. Assuming there is no set and drift, what course must you steer per standard magnetic compass (psc) to arrive at a position 3 miles due north of Horton Point Light? 10204: Your present position is LAT 41ø05.5' N, LONG 72ø38.0' W. Assuming that there is no set and drift, what course must you steer per standard magnetic compass (psc) to arrive at a position 5 miles due south of Saybrook Breakwater Light? 10205: Your present position is LAT 41ø05.5' N, LONG 72ø38.0' W. Assuming that there is no set and drift, what course must you steer per standard magnetic compass (psc) to arrive at a position 2 miles due west of Twenty-Eight Foot Shoal Lighted Buoy (LAT 41ø09.3' N, LONG 72ø30.5' W)? 10206: Your 2230 position is LAT 41ø07.4' N, LONG 72ø44.0' W. Assuming that there are no set and drift, what course must you steer per standard magnetic compass (psc) to leave Twenty-Eight Foot Shoal Lighted Buoy (LAT 41ø09.3' N, LONG 72ø30.4' W) 1 mile abeam to port? 10207: Your 2230 position is LAT 41ø07.4' N, LONG 72ø44.0' W. Assuming that there is no set and drift, what course must you steer per standard magnetic compass to leave Twenty-Eight Foot Shoal Lighted Buoy 1 mile abeam to starboard? 10208: A loran fix places your vessel at LAT 41ø08.5' N, LONG 72ø28.8' W. What course must you steer per standard magnetic compass (psc) to leave Cornfield Lighted Whistle Buoy "CF" 0.5 mile abeam to starboard? 10209: A loran fix places your vessel at LAT 41ø08.5' N, LONG 72ø28.8' W. What course must you steer per standard magnetic compass (psc) to leave Cornfield Lighted Whistle Buoy "CF" 0.5 mile abeam to port? 10210: Your present position is LAT 41ø07.4' N, LONG 72ø44.0' W. Assuming that there is no set and drift, what course must you steer per standard magnetic compass (psc) to a position of LAT 41ø08.5' N, LONG 72ø28.8' W? 10300: Determine the course per standard magnetic compass from the entrance to Quonochontaug Pond (LAT 41ø19.8' N, LONG 71ø43.2' W) to the entrance to Great Salt Pond on Block Island. 10301: Determine the course per standard magnetic compass from Cerberus Shoal Buoy 9 (LAT 41ø10.4' N, LONG 71ø57.1' W) to the entrance to Quonochontaug Pond (LAT 41ø19.8' N, LONG 71ø43.2' W). 10302: Determine the course per standard magnetic compass from Cerberus Shoal Buoy 9 (LAT 41ø10.4' N, LONG 71ø57.1' W) to a position 0.2 mile south of Race Rock Light (LAT 41ø14.6' N, LONG 72ø02.8' W). 10303: Determine the course per standard magnetic compass from 0.2 mile south of Race Rock Light (LAT 41ø14.6' N, LONG 72ø02.8' W) to the entrance of the channel to Lake Montauk (west of Montauk Point). 10304: Determine the course per standard magnetic compass from the entrance to Ninigret Pond (LAT 41ø21.3' N, LONG 71ø38.3' W) to the entrance to Great Salt Pond on Block Island. 10305: You are 3 miles due east of Montauk Point Light. What is the course per standard magnetic compass to a position one mile due south of Block Island Southeast Point Light? 10306: You are 3 miles due east of Montauk Point Light. What is the course per standard magnetic compass to LAT 41ø00.0' N, LONG 71ø40.0' W? 10307: You are 3 miles due east of Montauk Point Light. What is the course per standard magnetic compass to a position 0.5 mile due south of Race Rock Light? 10308: You are 3 miles due east of Montauk Point Light. What is the course per standard magnetic compass to a position 1.5 miles due east of Watch Hill Point Light? 10309: You are 3 miles due east of Montauk Point Light. What is the course per standard magnetic compass to LAT 41ø00.0' N, LONG 71ø30.0' W? 10403: A loran fix gives you a position of LAT 24ø53' N, LONG 80ø30' W. You are on course 045ø psc at 10 knots. Thirty minutes later, your position is one half mile east of Conch Reef buoy N "12". What set and drift did your vessel experience between the two fixes? 10500: At 1712 your loran set indicates a position of LAT 36ø54.8' N, LONG 75ø39.8' W. You are on course 319ø per standard magnetic compass at a speed of 9.9 knots. At 1800 your loran set indicates your position at LAT 37ø00.0' N, LONG 75ø45.8' W. What were the set and drift? 10501: At 0939 your loran set indicates a position of LAT 36ø57.0' N, LONG 75ø41.0' W. You are on course 119ø per standard magnetic compass at a speed of 12.8 knots. At 1017 your loran set indicates your position as LAT 36ø54.2' N, LONG 75ø33.1' W. What were the set and drift? 10502: At 1239 your loran set indicates a position of LAT 36ø55.2' N, LONG 75ø33.1' W. You are on course 281ø per standard magnetic compass at a speed of 9.2 knots. At 1318 your loran set indicates your position as LAT 36ø54.8' N, LONG 75ø39.8' W. What were the set and drift? 10503: At 0817 your loran set indicates a position of LAT 37ø01.6' N, LONG 75ø31.7' W. You are on course 182ø per standard magnetic compass at a speed of 9.2 knots. At 0913 your loran set indicates your position at LAT 36ø52.3' N, LONG 75ø30.8' W. What were the set and drift? 10504: At 1354 your loran set indicates a position of LAT 37ø00.0' N, LONG 75ø45.8' W. You are on course 088ø per standard magnetic compass at a speed of 9.5 knots. At 1500 your loran set indicates your position as LAT 37ø01.6' N, LONG 75ø31.7' W. What were the set and drift? 10505: At 0919 your position is LAT 37ø00.0' N, LONG 75ø30.0' W. You are on course 270ø T at 8.7 knots. At 1000 your position is LAT 36ø59.5' N, LONG 75ø37.0' W. What was the current? 10506: At 0919 your position is LAT 37ø00.0' N, LONG 75ø30.0' W. You are on course 270ø T at 8.7 knots. At 1031 your position is LAT 36ø59.5' N, LONG 75ø44.9' W. What was the current? 10507: At 0919 your position is LAT 37ø00.0' N, LONG 75ø30.0' W. You are on course 270ø T at 10.5 knots. At 1020 your position is LAT 36ø59.5' N, LONG 75ø44.9' W. What was the current? 10508: At 0919 your position is LAT 37ø00.0' N, LONG 75ø30.0' W. You are on course 270ø T at 8.7 knots. At 1000 your position is LAT 37ø00.5' N, LONG 75ø37.0' W. What was the current? 10509: At 0919 your position is LAT 37ø00.0' N, LONG 75ø30.0' W. You are on course 270ø T at 7.8 knots. At 1035 your position is LAT 37ø00.5' N, LONG 75ø43.8' W. What was the current? 10600: At 1620 your loran set indicates a position of LAT 41ø09.0' N, LONG 72ø40.0' W. You are on course 134ø per standard magnetic compass at a speed of 10 knots. At 1700 your loran set indicates your position as LAT 41ø05.3' N, LONG 72ø33.7' W. What were the set and drift? 10601: At 1645 your loran set fixes your position at LAT 41ø09.2' N, LONG 72ø36.9' W. You are steering course 262ø per standard magnetic compass at a speed of 12 knots. At 1721 you fix your position by plotting several compass bearings on nearby known fixed objects. These result in a position of LAT 41ø07.2' N, LONG 72ø44.9' W. What were your set and drift? 10602: At 1815 your loran set fixes your position at LAT 41ø09.2' N, LONG 72ø36.9' W. You are steering course 285ø per standard magnetic compass at a speed of 16 knots. At 1909 you fix your position by plotting several compass bearings on nearby known fixed objects. These result in a position of LAT 41ø08.5' N, LONG 72ø53.7' W. What were your set and drift? 10603: At 1300 your loran set fixes your position at LAT 41ø09.2' N, LONG 72ø36.9' W. You are steering course 291ø per standard magnetic compass at a speed of 8 knots. At 1345 you fix your position by plotting several compass bearings on nearby known fixed objects. These result in a position of LAT 41ø09.9' N, LONG 72ø46.1' W. Which statement is TRUE with respect to the combined effects of wind and current experienced since 1300? 10604: At 2245 your loran set fixes your position at LAT 41ø01.75' N, LONG 72ø48.40' W. You are steering course 086ø per standard magnetic compass at a speed of 6.0 knots. At 2400 you fix your position by plotting several compass bearings on nearby known fixed objects. These result in a position of LAT 41ø04.20' N, LONG 72ø38.85' W. What were your set and drift? 10605: At 0620 your loran set fixes your position at LAT 41ø01.8' N, LONG 72ø48.40' W. You are steering course 274ø per standard magnetic compass at a speed of 10 knots. At 0735 you fix your position by plotting several compass bearings on nearby known fixed objects. These result in a position of LAT 40ø59.50' N, LONG 73ø06.50' W. What were your set and drift? 10606: At 0915 your loran set indicates a position of LAT 41ø04.9' N, LONG 72ø42.1' W. You are on course 085ø per standard magnetic compass at a speed of 6 knots. At 1030 your loran set fixes your position at 0.5 mile due south of Twenty-Eight Foot Shoal Lighted Buoy "TE". What were your set and drift? 10607: At 0912 your loran set indicates a position of LAT 41ø04.9' N, LONG 72ý42.1' W. You are on course 085ø per standard magnetic compass at a speed of 6 knots. At 1052 your loran set fixes your position at 0.5 mile due south of Twenty-Eight Foot Shoal Lighted Buoy. What were your set and drift? 10608: At 1825 your loran set indicates a position of LAT 41ø04.9' N, LONG 72ø42.1' W. You are on course 085ø per standard magnetic compass at a speed of 10 knots. At 1910 your loran set fixes your position at 1 mile due south of Twenty-Eight Foot Shoal Lighted Buoy. What were your set and drift? 10609: At 1922 your loran set indicates a position of LAT 41ø04.9' N, LONG 72ø42.1' W. You are on course 085ø per standard magnetic compass at a speed of 10 knots. At 2019 your loran set fixes your position at 1 mile due south of Twenty-Eight Foot Shoal Lighted Buoy "TE". What were your set and drift? 10610: At 1645 your loran set indicates a position of LAT 41ø04.9' N, LONG 72ø42.1' W. You are on course 072ø per standard magnetic compass at a speed of 14 knots. At 1727 another loran fix places your vessel 1 mile due north of Twenty-Eight Foot Shoal Lighted Buoy TE. What were your set and drift? 10611: You are off the coast of Mexico and are taking a time tick for 1800. At approximately 1754, you hear the preparatory signal "VVVV de XDD" from the time signal station. Then you hear a series of 1 second dashes followed by a 9 second silent period and then a long 1.3 second dash. At the beginning of the long dash, your comparing watch reads 06h 00m 07s. When compared to the chronometer, the comparing watch reads 06h 01m 24s, and the chronometer reads 05h 59m 23s. What is the chronometer error? 10612: You are taking a time tick using the 2000 signal from Kekaha-Kauai, Hawaii (WWVH). You hear a series of 1 second dashes followed by a 9 second silent period, then a long 1.3 second dash. At the beginning of the long dash, your comparing watch reads 08h 00m 08s. When compared to the chronometer, the comparing watch reads 08h 01m 15s, and the chronometer reads 07h 59m 55s. What is the chronometer error? 10700: At 1020 your position is LAT 41ø11.0' N, LONG 71ø50.0' W. You are on course 056ø per standard magnetic compass at 9.2 knots. At 1112 your position is LAT 41ø15.9' N, LONG 71ø41.7' W. What were the set and drift? 10701: At 0947 your position is LAT 41ø15.9' N, LONG 71ø41.7' W. You are on course 182ø per magnetic compass at 11.3 knots. At 1020 your position is LAT 41ø09.2' N, LONG 71ø40.6' W. What were the set and drift? 10702: At 1922 your position is LAT 41ø09.2' N, LONG 71ø40.6' W. You are on course 028ø per standard magnetic compass at 6.4 knots. At 2046 your position is LAT 41ø17.2' N, LONG 71ø38.6' W. What were the set and drift? 10703: At 1516 your position is LAT 41ø11.3' N, LONG 71ø48.6' W. You are on course 300ø per standard magnetic compass at 9.4 knots. At 1600 your position is LAT 41ø14.0' N, LONG 71ø58.1' W. What were the set and drift? 10704: At 2038 your position is LAT 41ø09.2' N, LONG 71ø40.6' W. You are on course 301ø per standard magnetic compass at 7.2 knots. At 2152 your position is LAT 41ø11.3' N, LONG 71ø48.6' W. What were the set and drift? 10705: At 0726 you depart Lake Montauk with light 1 close aboard and set course 013.5ø per standard magnetic compass at 7.6 knots. At 0812 your loran position is LAT 41ø10.0' N, LONG 71ø55.9' W. What is the current? 10706: At 0726 you depart Lake Montauk with light 1 close aboard and set course 310.5ø per standard magnetic compass at 7.6 knots. At 0812 your loran position is LAT 41ø08.1' N, LONG 72ø03.7' W. What is the current? 10707: At 0726 you depart Lake Montauk with light 1 close aboard and set course 065ø per standard magnetic compass at 6.7 knots. At 0912 your loran position is LAT 41ø12.8' N, LONG 71ø48.2' W. What is the current? 10708: At 0726 you depart Lake Montauk with light 1 close aboard and set course 309ø per standard magnetic compass at 6.7 knots. At 0818 your loran position is LAT 41ø07.1' N, LONG 72ø02.6' W. What is the current? 10709: At 0726 you depart Lake Montauk with light 1 close aboard and set course 065ø per standard magnetic compass at 6.7 knots. At 0912 your loran position is LAT 41ø10.5' N, LONG 71ø46.6' W. What is the current? 10900: The abandoned lighthouse west of Cape Henry Light is ______. 10901: The area around Cape Charles is _______________ . 10902: Fishermans Island (LAT 37ø05.0' N, LONG 75ø57.7' W) is ____. 10903: What is the distance from Norfolk to Philadelphia for a deep draft vessel via the Chesapeake Bay and C and D Canal ? 10904: What is the distance from Chesapeake Bay entrance to Baltimore? 10905: You wish to anchor and fish in the regulated navigation area in the vicinity of LAT 37ø02' N, LONG 76ø01' W. Which of the following statements is TRUE? 10906: What correction should be applied to the charted depths of the Poquoson River at York Point at the PM low water on 18 December 1983? 10907: What is the time (DST ZD +4) of the AM high tide at York Point, Poquoson River on 8 September 1983? 10908: What is the velocity of the first maximum flood current in Lynnhaven Roads on 23 July 1983? 10909: What will be the average direction of the current in Lynnhaven Roads at 1000 DST (ZD +4) on 23 July 1983? 11001: What time will high water occur at Saybrook Jetty on the morning of 29 October 1983? 11002: What was the height of the high water at Saybrook Jetty on the afternoon of 18 February 1983? 11003: What best describes the condition of the tidal current at New London Harbor Entrance, at 0945 on 3 March 1983? 11004: What is the maximum speed permitted on the Niantic River? 11005: What is the maximum speed permitted in the Main Entrance Channel to Port Jefferson Harbor? 11006: At what time will maximum flood occur 1 mile east of Old Field Point on 29 April 1983? (You are keeping daylight saving time ZD +4). 11007: What will be the height of the high water at Mount Sinai Harbor on the morning of 26 August 1983? 11009: What best describes the structure from which Stratford Point Light is shown? 11010: What is the maximum speed permitted in Clinton Harbor? 11011: According to the U.S. Coast Pilot, what is the depth of the channel between State Pier No. 1 and the U.S. Navy Submarine Base in New London Harbor? 11012: Which statement is FALSE with regard to Plum Island Harbor West Dolphin Light? 11013: What will be the height of the tide at Horton Pt., New York, on 16 June 1983, at 1845 DST (ZD +4) 11014: What will be the velocity of the tidal current outside the breakwater at New Haven Hbr. entrance on 26 May 1983 at 1045 DST (ZD +4)? 11100: Block Island is ___________________. 11101: Great Salt Pond on Block Island is ___________________. 11102: What is the velocity of the first PM (Daylight Savings Time) maximum ebb current at Plum Gut on 10 August 1983? 11103: Point Judith Harbor of Refuge (LAT 41ø22' N, LONG 71ø30' W) _____________. 11104: What is the time of the first PM (Daylight Savings Time) maximum ebb current at Plum Gut on 10 August 1983? 11105: What is the height of the tide at Great Salt Pond on Block Island at the afternoon high water (daylight savings time) on 1 July 1983? 11106: What is the height of the tide at Great Salt Pond, on Block Island, at the morning high water (daylight savings time) on 1 July 1983? 11107: What is the time (Daylight Savings Time) of the first high tide on 1 July 1983 at Great Salt Pond on Block Island? 11108: The passage between Great Gull Island and Plum Island ______. 11109: What is the velocity of the maximum ebb current approximately 1.1 miles ENE of Little Gull Island in the afternoon of 25 April 1983? 11300: At 1256 your loran shows your position as LAT 36ø57.0' N, LONG 75ø41.0' W. At 1336 it shows your position as LAT 37ø07.5' N, LONG 75ø39.1' W. What was the speed made good between the fixes? 11301: At 1256 your loran shows your position as LAT 36ø57.0' N, LONG 75ø41.0' W. At 1331 it shows your position at LAT 37ø07.5' N, LONG 75ø39.1' W. What was the speed made good between the fixes? 11302: At 1614 your loran shows your position as LAT 37ø01.6' N, LONG 75ø31.7' W. At 1703 it shows your position as LAT 36ø57.0' N, LONG 75ø41.0' W. What was the course made good between the fixes? 11303: At 0856 your loran shows your position as LAT 37ø01.6' N, LONG 75ø31.7' W. At 0945 it shows your position as LAT 36ø57.0' N, LONG 75ø41.0' W. What was the speed made good between the fixes? 11304: At 1422 your loran shows your position as LAT 37ø07.5' N, LONG 75ø39.1' W. At 1549 it shows your position as LAT 36ø57.0' N, LONG 75ø41.0' W. What was the course made good between the fixes? 11305: At 1919 your position is LAT 37ø00.0' N, LONG 75ø30.0' W. At 2000 your position is LAT 36ø59.5' N, LONG 75ø37.0' W. What was the speed made good? 11306: At 1919 your position is LAT 37ø00.0' N, LONG 75ø30.0' W. At 1950 your position is LAT 36ø59.5' N, LONG 75ø37.0' W. What is the speed made good? 11307: At 1919 your position is LAT 37ø00.0' N, LONG 75ø30.0' W. At 2031 your position is LAT 36ø59.5' N, LONG 75ø44.9' W. What was the speed made good? 11308: At 1919 your position is LAT 37ø00.0' N, LONG 75ø30.0' W. At 2011 your position is LAT 36ø59.5' N, LONG 75ø44.9' W. What was the speed made good? 11309: At 1919 your position is LAT 37ø00.5' N, LONG 75ø43.8' W. At 2019 your position is LAT 37ø00.0' N, LONG 75ø30.0' W. What is the course made good? 11400: At 1035 your loran indicates a position of LAT 41ø05.3'N, LONG 72ø33.7' W. At 1103 your loran indicates a position of LAT 41ø09.0' N, LONG 72ø40.0' W. What was your speed made good? 11401: At 1520 your loran indicates a position of LAT 41ø13.1' N, LONG 72ø16.1' W. At 1630 another loran fix places your vessel at LAT 41ø17.5' N, LONG 72ø04.7' W. What were your true course and speed made good? 11402: At 1018 your loran indicates a position of LAT 41ø14.4' N, LONG 72ø07.2' W. At 1036 another loran fix places your vessel at LAT 41ø13.1' N, LONG 72ø16.1' W. What was your true course and speed made good? 11403: At 2115 your loran indicates a position of LAT 41ø14.4' N, LONG 72ø07.2' W. At 0015 another loran fix places your vessel at LAT 41ø03.3' N, LONG 72ø37.9' W. What was your true course made good? 11404: At 2115 your loran indicates a position of LAT 41ø03.3' N, LONG 72ø37.9' W. At 0027 another loran fix places your vessel at LAT 41ø14.4' N, LONG 72ø07.2' W. What was your speed made good? 11405: At 2125 your loran indicates a position of LAT 41ø05.7' N, LONG 72ø46.5' W. At 2208 another loran fix places your vessel at LAT 41ø03.3' N, LONG 72ø37.9' W. What was your course made good by standard magnetic compass? 11406: At 2021 a loran fix places your vessel at LAT 41ø09.7' N, LONG 72ø59.8' W. At 2057 another loran fix places your vessel at LAT 41ø00.5' N, LONG 72ø49.5' W. What are your true course and speed made good? 11407: At 1930 a loran fix places your vessel at LAT 41ø00.5' N, LONG 72ø49.5' W. At 2018 a loran fix places your vessel at LAT 41ø08.6' N, LONG 72ø41.6' W. What was your true course and speed made good? 11408: At 1930 a loran fix places your vessel at LAT 41ø08.6' N, LONG 72ø41.6' W. At 2024 another loran fix places your vessel at LAT 41ø00.5' N, LONG 72ø49.5' W. What is your true course and speed made good? 11409: At 0647 a loran fix places your vessel at LAT 41ø08.6' N, LONG 72ø41.6' W. At 0729 another loran fix places your vessel at LAT 41ø10.3' N, LONG 72ø29.2' W. What were your true course and speed made good? 11410: At 0647 a loran fix places your vessel 1 mile due south of buoy "8C" (buoy position LAT 41ø10.8' N, LONG 72ø29.4' W). At 0753 another loran fix places your vessel at LAT 41ø08.6' N, LONG 72ø41.6' W. What were your true course and speed made good? 11500: At 2016 your loran position is LAT 41ø07.6' N, LONG 71ø37.8' W. At 2128 your position is LAT 41ø00.4' N, LONG 71ø29.4' W. What was the speed made good between the two positions? 11501: At 2016 your loran position is LAT 41ø07.6' N, LONG 71ø33.8' W. At 2128 your position is LAT 41ø00.4' N, LONG 71ø29.4' W. What was the speed made good between the two positions? 11502: At 1016 your loran position is LAT 41ø07.6' N, LONG 71ø38.5' W. At 1104 your position is LAT 41ø00.4' N, LONG 71ø29.4' W. What was the speed made good between the two positions? 11503: At 1016 your loran position is LAT 41ø07.6' N, LONG 71ø37.9' W. At 1104 your position is LAT 41ø00.2' N, LONG 71ø29.4' W. What was the true course made good between the two positions? 11504: At 1016 your loran position is LAT 41ø07.6' N, LONG 71ø38.5' W. At 1116 your position is LAT 41ø01.4' N, LONG 71ø29.4' W. What was the course made good between the two positions? 11505: At 1014 you depart the entrance to Lake Montauk with light "1" close aboard. Your course is 066ø per standard magnetic compass, and the speed is 8.6 knots. At 1230 your position is LAT 41ø20.0' N, LONG 71ø40.0' W. What is the speed made good? 11506: At 1014 you depart the entrance to Lake Montauk with Light "1" close aboard. Your course is 066ø per standard magnetic compass, and the speed is 8.6 knots. At 1238 your position is LAT 41ø20.0' N, LONG 71ø40.0' W. What is the speed made good? 11507: At 1014 you depart the entrance to Lake Montauk with light "1" close aboard. Your course is 066ø per standard magnetic compass, and the speed is 8.6 knots. At 1222 your position is LAT 41ø20.0' N, LONG 71ø40.0' W. What is the speed made good? 11508: At 1014 you depart the entrance to Lake Montauk with light "1" close aboard. Your course is 066ø per standard magnetic compass, and the speed is 8.6 knots. At 1232 your position is LAT 41ø20.0' N, LONG 71ø40.0' W. What is the speed made good? 11509: At 1014 you depart the entrance to Lake Montauk with light "1" close aboard. Your course is 066ø per standard magnetic compass, and the speed is 8.6 knots. At 1232 your position is LAT 41ø20.0' N, LONG 71ø40.0' W. What is the course made good? 11700: What is the true heading to steer outbound in Thimble Shoal Channel if your engines are turning for 8.0 knots, the current is 050ø T at 1.0 knot and a northerly wind causes 3ø of leeway? 11701: What is the true heading to steer inbound in the York River Entrance Channel if your engines are turning for 9.5 knots, the current is 076ø T at 1.2 knots, and a southwesterly wind causes 3ø of leeway? 11702: You are eastbound in the Thimble Shoal Channel. What is the true heading to steer if the engines are turning for 9.5 knots, the current is 110ø T at 1.2 knots, and a southerly wind causes 3ø of leeway? 11703: What is the true heading to steer inbound in York River Entrance Channel if your engines are turning for 9.8 knots, the current is 220ø T at 1.2 knots, and a northeasterly wind causes 3ø of leeway? 11704: What is the true heading to steer in York River Entrance Channel if your engines are turning for 10.2 knots, the current is 220ø T at 1.2 knots and a southwesterly wind causes 3ø of leeway? 11705: Your position is LAT 37ø00.0' N, LONG 75ø30.0' W. What is the course to steer per standard magnetic compass to arrive at LAT 36ø59.0' N, LONG 75ø48.5' W, if the current is 043ø T at 1.3 knots, a south-southeasterly wind is causing 3ø of leeway, and you are turning for 8.7 knots? 11706: Your position is LAT 37ø00.0' N, LONG 75ø30.0' W. What is the course to steer per standard magnetic compass to arrive at LAT 36ø59.0' N, LONG 75ø48.5' W, if you are turning for 8.7 knots, the current is 039ø T at 1.3 knots, and a northwesterly wind is causing 3ø of leeway? 11707: Your position is LAT 37ø00.0' N, LONG 75ø30.0' W. What is the course to steer per standard magnetic compass to arrive at LAT 36ø59.0' N, LONG 75ø48.5' W, if you are turning for 7.8 knots, the current is 139ø T at 1.3 knots, and a northwesterly wind is causing 3ø of leeway? 11708: Your position is LAT 37ø00.9' N, LONG 75ø30.0' W. What is the course to steer per magnetic compass to arrive at LAT 36ø59.0' N, LONG 75ø48.5' W, if you are turning for 7.8 knots the current is 339ø T at 1.3 knots, and a northwesterly wind is causing 3ø of leeway? 11709: Your position is LAT 37ø00.0' N, LONG 75ø30.0' W. What is the course to steer per standard magnetic compass to arrive at LAT 36ø59.0' N, LONG 75ø48.5' W, if you are making 7.8 knots, the current is 239ø T at 1.3 knots, and a southeasterly wind is causing 3ø of leeway? 11800: What is the course to steer between Port Jefferson Approach buoy "PJ" and New Haven Lighted Buoy "NH"? Your engine speed is 12 knots and you allow for a current of 93ø T at 0.8 knot. A NW'ly wind causes 3ø leeway. 11801: What course should you steer by standard magnetic compass (psc) between Horton Pt. Light and Falkner Island Light, if the set and drift of the current are 040ø T at 0.9 knot, and a westerly wind will cause 2ø of leeway? Your engines are making turns for 10 knots. 11802: What course should you steer by your standard magnetic compass (psc), between New Haven Light and Stratford Pt. Light, if the set and drift of the current are 345ø T at 3.0 knots, and a northerly wind will cause 1ø of leeway? Your engines are making turns for 18.0 knots. 11803: What is the true course to steer between Falkner Island Light and Horton Point Light, if the set and drift of the current are 041ø at 2.4 knots, and a northeasterly wind will cause 4ø of leeway? Your engines are making turns for 15 knots. 11804: Your engines are making turns for 8 knots and a norhterly wind is causing 3ø of leeway. There is a current of 220ø T at 1.5 knots. What is the course to steer between Branford Reef Light and Faulkner Island Light? 11805: What is the true course to steer between Stratford Shoal (Middle Ground Light) and New Haven Light, if the set and drift of the current are 048ø T at 2 knots, and a southeasterly wind will cause 2ø of leeway? Your engines are making turns for 10 knots. 11806: What course should you steer by standard magnetic compass between Mattituck Inlet and Branford Reef Light, if the set and drift of the current are 027ø at 2.5 knots, and a northeasterly wind will cause 1ø of leeway? Your engines are turning for 12 knots. 11807: What course should you steer by your standard magnetic compass (psc) between Horton Pt. Light and a position 2 miles due south of Branford Reef Light, if the set and drift of the current are 111ø T at 2.5 knots, and a southwesterly wind will cause 4ø of leeway? (Your engines are turning for 18 knots.) 11808: What is the true course to steer from a position 2 miles due south of Branford Reef Light to Horton Pt. Light, if the set and drift of the current are 247ø T at 3 knots, and a southwesterly wind will cause 3ø of leeway? (Your engines are making turns for 10 knots.) 11809: What course should you steer by your standard magnetic compass (psc) from a position 2 miles due south of Branford Reef Light to Horton Pt. Light, if the set and drift of the current are 065ø T at 2 knots, and a northerly wind will cause 2ø of leeway. Your engines are turning for 14 knots. 11810: What is the true course to steer between Horton Pt. Light and a position 2 miles due south of Branford Reef Light, if the set and drift of the current are 40ø T at 1.5 knots, and an easterly wind will cause 3ø of leeway? Your engines are making turns for 12 knots. 11900: What is the true course to steer between the entrance to Great Salt Pond (LAT 41ø12.0' N, LONG 71ø35.6' W) and the entrance to Quonochontaug Pond (LAT 41ø19.8' N, LONG 71ø43.2' W), if you are turning for 8.5 knots, and you allow for a current of 247ø T at 1.2 knots, and an easterly wind is causing 2ø of leeway? 11901: You are turning for 7.5 knots and a westerly wind is causing 2ø of leeway. There is a current of 047ø T at 1.2 knots. What course should you steer between the entrance to Quonochontaug Pond (LAT 41ø19.8' N, LONG 71ø43.2' W) and the entrance to Great Salt Pond (LAT 41ø12.0' N, LONG 71ø35.6'W). 11902: What is the true course to steer between the entrance to Lake Montauk (LAT 41ø04.8' N, LONG 71ø56.3' W) and Winnapaug Pond entrance) LAT 41ø19.6' N, LONG 71ø45.8' W), if you are turning for 9.5 knots, allow for a current of 075ø T at 1.2 knots, and a westerly wind is causing 3ø of leeway? 11903: What is the true course to steer between the entrance to Winnapaug Pond (LAT 41ø19.6' N, LONG 71ø45.8' W) and the entrance to Lake Montauk (LAT 41ø04.8' N, LONG 71ø56.3' W), if you are turning for 8.5 knots, allowing for a current of 095ø T at 0.9 knot, and an easterly wind is causing 3ø of leeway? 11904: What is the true course to steer between the entrance to Winnapaug Pond (LAT 41ø19.6' N, LONG 71ø45.8' W) and the entrance to Lake Montauk (LAT 41ø04.8' N, LONG 71ø56.3' W), if you are turning for 6.5 knots, allow for a current of 295ø T at 0.9 knot, and an easterly wind is causing 4ø of leeway? 11905: Your position is 3 miles due east of Montauk Point Light. What is the course to steer to arrive one mile due south of Block Island Southeast Point Light, if you are turning for 8.6 knots, the current is 130ø at 1.2 knots, and a northerly wind causes 3ø of leeway? 11906: Your position is 3 miles due east of Montauk Point Light. What is the course to steer to arrive at LAT 41ø00.0' N, LONG 71ø30.0' W, if you are turning for 8.7 knots, the current is 130ø at 1.2 knots, and a northerly wind causes 3ø of leeway? 11907: Your position is 3 miles due east of Montauk Point Light. What is the course to steer to arrive at LAT 41ø00.0' N, LONG 71ø30.0' W, if you are turning for 7.8 knots, the current is 130ø at 1.2 knots, and a southerly wind causes 3ø of leeway? 11908: Your position is 3 miles due east of Montauk Point Light. What is the course to steer to arrive at LAT 41ø00.0' N, LONG 71ø30.0' W, if you are turning for 7.8 knots, the current is 330ø at 1.2 knots, and a southerly wind causes 3ø of leeway? 11909: Your position is 3 miles due east of Montauk Point Light. What is the true course to steer to arrive one mile due south of Block Island Southeast Point Light, if you are turning for 6.8 knots, the current is 330ø at 1.2 knots, and a southerly wind causes 3ø of leeway? 12100: You sight Wolf Trap Light in line with New Point Comfort Spit Light "2" bearing 040ø per standard magnetic compass. You are on course 319ø per standard magnetic compass. Based on this, you __________. 12101: You sight Thimble Shoal Light in line with Old Point Comfort Light bearing 267ø per standard magnetic compass. You are on course 182ø psc. Based on this, you know _______. 12102: You sight Thimble Shoal Light in line with Old Point Comfort Light bearing 265ø per standard magnetic compass. You are on course 135ø psc. Based on this, you know _______. 12103: You sight Wolf Trap Light in line with New Point Comfort Spit Light "2" bearing 048ø per standard magnetic compass. You are on course 203ø psc. Based on this, you know _________________________. 12104: You sight Wolf Trap Light in line with New Point Comfort Spit Light "2" bearing 234ø per standard magnetic compass. You are on course 329ø psc. Based on this, you ______. 12105: While in the Back River, you sight the two tanks along the Northwest Branch (vicinity LAT 37ø05.6' N, LONG 76ø22.0' W) in line bearing 274ø psc. If your vessel is heading 300ø psc, what is TRUE? 12106: While in the Back River, you sight the two tanks along the Northwest Branch (vicinity LAT 37ø05.6' N, LONG 76ø22.0' W) in line bearing 277ø per standard magnetic compass. If your vessel is heading 243ø psc, what is TRUE? 12107: You sight Tue Marshes Light (LAT 37ø14.1' N, LONG 76ø23.2' W) in line with Goodwin Thorofare Light "16" (LAT 37ø13.7' N, LONG 76ø25.0' W) bearing 267ø per standard magnetic compass. What is TRUE if your vessel's heading is 056ø psc? 12108: You sight Tue Marshes Light (LAT 37ø14.1' N, LONG 76ø23.2' W) in line with Goodwin Thorofare Light "16" (LAT 37ø13.7' N, LONG 76ø25.0' W) bearing 262ø per standard magnetic compass. What is TRUE if your vessel's heading is 119ø psc? 12109: You sight Tue Marshes Light (LAT 37ø14.1' N, LONG 76ø23.2' W) in line with Goodwin Thorofare Light "16" (LAT 37ø13.7' N, LONG 76ø25.0' W) dead ahead bearing 264ø per standard magnetic compass. Which statement is TRUE? 12200: You are on course 119ø psc. You sight New Haven Outer Channel Range Rear Light in line with the Outer Channel Range Front Light bearing 346ø per standard magnetic compass. This indicates that ____________________. 12201: Your vessel is steady on a heading of 203ø per standard magnetic compass when you sight New Haven Light and New Haven Outer Channel Range Front Light in line over the stern. This information indicates that the ____________. 12203: Your vessel is steady on a heading of 310ø per standard magnetic compass when you sight Stratford Point Light and Igor I. Sikorsky Airport Aero Beacon in line dead ahead. This information indicates that the ____________________. 12204: You sight Stratford Shoal (Middle Ground) Light and Old Field Pt. Light in line and bearing 200ø per standard magnetic compass. What is the deviation of the compass? 12205: Your vessel is steady on a heading of 160ø per standard magnetic compass when you sight Southwest Ledge Light and New Haven Outer Channel Range Rear Light in line dead astern. What is the deviation of the compass based on this observation? 12206: You sight Bartlett Reef Light (LAT 41ø16.5' N, LONG 72ø08.2' W) in line with New London Harbor Light (LAT 41ø19.0' N, LONG 72ø05.4' W) and bearing 059ø per standard magnetic compass. What is the compass deviation? 12207: You sight Stratford Pt. Light in line with the Igor I. Sikorsky Airport Aero Beacon bearing 319ø per standard magnetic compass. What is the compass deviation? 12208: You sight Stratford Pt. Light in line with the Igor I. Sikorsky Airport Aero Beacon bearing 319ø per standard magnetic compass. What is the compass error? 12209: You sight South West Ledge Light in line with New Haven Outer Channel Range Rear Light bearing 338.5ø per standard magnetic compass. What is the deviation? 12210: You sight New Haven Outer Channel Range Rear Light in line with the Outer Channel Range Front Light bearing 343ø per standard magnetic compass. What is your compass error? 12300: You are on course 244² per standard magnetic compass when you sight Block Island Southeast Point Light in line with Block Island Aero Beacon bearing 326ø per standard magnetic compass. Based on this you _____________________. 12301: You are on course 055ø per standard magnetic compass when you sight Block Island Southeast Point Light in line with the Block Island Aero Beacon bearing 319ø per standard magnetic compass. Based on this you _________________. 12302: You are on course 203ø per standard magnetic compass when you sight Block Island North Light in line with the Block Island Aero Beacon bearing 194ø per standard magnetic compass. Based on this you ______________. 12303: You are on course 056ø per standard magnetic compass when you sight Block Island North Light in line with the Block Island Aero Beacon bearing 193ø per standard magnetic compass. Based on this you _____________________. 12304: You are on course 302ø per standard magnetic compass when you sight Block Island Southeast Point Light in line with the Block Island Aero Beacon bearing 323ø per standard magnetic compass. Based on this you _____________. 12305: You sight North Dumpling Island Light in line with Latimer Reef Light (LAT 41ø18.2' N, LONG 71ø56.0' W) bearing 095ø per standard magnetic compass. If your vessel was heading 056ø per standard magnetic compass at the time, which of the following is TRUE? 12306: You sight North Dumpling Island Light in line with Latimer Reef Light (LAT 41ø18.2' N, LONG 71ø56.0' W) bearing 093ø per standard magnetic compass. If your vessel was heading 185ø per standard magnetic compass at the time, which of the following is TRUE? 12307: You sight North Dumpling Island Light in line with Latimer Reef Light (LAT 41ø18.2' N, LONG 71ø56.0' W) bearing 091ø per standard magnetic compass. If your vessel was heading 246ø per standard magnetic compass at the time, which of the following is TRUE? 12308: You sight North Dumpling Island Light in line with Latimer Reef Light (LAT 41ø18.2' N, LONG 71ø56.0' W) bearing 094ø per standard magnetic compass. If your vessel was heading 207ø per standard magnetic compass at the time, which of the following is TRUE? 12309: You sight North Dumpling Island Light in line with Latimer Reef Light (LAT 41ø18.2' N, LONG 71ø56.0' W) bearing 089ø per standard magnetic compass. If your vessel was heading 297ø per standard magnetic compass at the time, which of the following is TRUE? 12500: You are on course 135ø per standard magnetic compass when you take the following bearings per standard magnetic compass: Cape Henry Light 266ø Cape Charles Light 353ø Chesapeake Light 124ø What is your position? 12501: You are on course 056ø per standard magnetic compass when you take the following bearings: Cape Henry Light 262ø psc Cape Charles Light 344ø psc Chesapeake Light 125ø psc What is your position? 12502: You are on course 262ø per standard magnetic compass when you take the following bearings: Cape Henry Light 252ø psc Cape Charles Light 003ø psc Chesapeake Light 131ø psc What is your position? 12505: You are on course 056ø psc, when you take the following bearings: New Point Comfort Spit Light "2" 260ø psc Horn Harbor Entrance Light "HH" 285ø psc Wolf Trap Light 336ø psc What is the position of the fix? 12506: You are on course 203ø per standard magnetic compass when you take the following bearings: New Point Comfort Spit Light 2 267ø psc Horn Harbor Entrance Light HH 304ø psc Wolf Trap Light 006ø psc What is the position of the fix? 12507: You are on course 300ø per standard magnetic compass (psc) when you take the following bearings: New Point Comfort Spit Light "2" 240ø psc Horn Harbor Entrance Light HH 268ø psc Wolf Trap Light 003ø psc What is the position of the fix? 12508: You are on course 319ø per standard magnetic compass when you take the following bearings: New Point Comfort Light "2" 244ø psc Horn Harbor Entrance Light "HH" 267ø psc Wolf Trap Light 335²øpsc What is the position of the fix? 12509: You are on course 027ø per magnetic compass when you take the following bearings per magnetic compass: New Point Comfort Light "2" 253ø Horn Harbor Entrance Light HH 282ø Wolf Trap Light 348ø What is the position of the fix? 12600: You are on course 243ø per standard magnetic compass when you take the following bearings: Falkner Island Light 342ø psc Mattituck Inlet Light 207ø psc Horton Point Light 112ø psc What is your position? 12601: You are on course 062ø per standard magnetic compass when you take the following bearings: Branford Reef Light 060ø psc Stratford Point Light 272ø psc New Haven Light 324ø psc What is your position? 12602: You are on course 087ø per standard magnetic compass (psc) when you take the following bearings: Falkner Island Light - 022.0ø psc Horton Point Light - 111.5ø psc Mt. Sinai Breakwater Light - 254.0ø psc What is your position? 12603: You are on course 262ø per standard magnetic compass when you take the following bearings:$(SB)$(SB) Saybrook Breakwater Light - 338.5ø psc Little Gull Island Light - 107.5ø psc Horton Point Light - 240.0ø psc What is your position? 12604: You are on course 082ø per standard magnetic compass (psc) when you take the following bearings: New London Ledge Light - 036.5ø psc Little Gull Island Light - 157.0ø psc Saybrook Break Water Light - 294.5ø psc What is your position? 12605: You are on course 209ø per standard magnetic compass when you take the following bearings: New Haven Light - 331.5ø psc Branford Reef Light - 066.5ø psc Old Field Point Light - 240.5ø psc What is your position? 12606: You are on course 242ø per standard magnetic compass (psc) when you take the following bearings: Stratford Point Light 325ø psc Old Field Point Light 239ø psc Middle Ground Light 270ø psc What is your position? 12607: You are on course 240ø per standard magnetic compass when you take the following bearings: Old Field Point Light 253ø psc New Haven Light 357ø psc Mattituck Inlet Light 126ø psc What is your position? 12608: You are on course 083ø per standard magnetic compass when you take the following bearings: Branford Reef Light 344.5ø psc Falkner Island Light 053.5ø psc Mattituck Inlet Light 141.5ø psc What is your position? 12609: You are on course 239ø per standard magnetic compass when you take the following bearings: Falkner Island Light 314ø psc Duck Island West Breakwater Light 2DI 039ø psc Horton Point Light 157ø psc What is your position? 12610: You are on course 061ø per standard magnetic compass when you take the following bearings: Bartlett Reef Light 070ø psc Saybrook Breakwater Light 010ø psc Horton Pt. Light 227ø psc What is your position? 12700: You are on course 073ø per standard magnetic compass when you take the following bearings: Watch Hill Point Light 037ø psc Montauk Point Light 179ø psc Race Rock Light 289ø psc What is your position? 12701: You are on course 298ø per standard magnetic compass when you take the following bearings: Block Island Southeast Point Light - 058ø psc Block Island Aero Beacon - 005ø psc Montauk Point Light - 268ø psc What is your position? 12702: You are on course 282ø per standard magnetic compass when you take the following bearings: Point Judith Light - 073ø psc Block Island North Light - 156ø psc Watch Hill Point Light - 293ø psc What is your position? 12703: You are on course 025ø per standard magnetic compass when you take the following bearings: Point Judith Light - 072ø psc Block Island North Point Light - 116ø psc Watch Hill Light - 306ø psc What s your position?) 12704: You are on course 137ø per standard magnetic compass when you take the following bearings: Watch Hill Point Light - 051ø psc Montauk Point Light - 184ø psc Race Rock Light - 279ø psc What is your position? 12705: You are on course 087ø per standard magnetic compass when you take the following bearings: Little Gull Island Light 277ø psc Race Rock Light 303ø psc Latimer Reef Light 025ø psc What is your position? 12706: You are on course 053ø per standard magnetic compass when you take the following bearings: Little Gull Island Light 275ø psc Race Rock Light 296ø psc Latimer Reef Light 011ø psc What is your position? 12707: You are on course 246ø per standard magnetic compass when you take the following bearings: Little Gull Island Light 286ø Race Rock Light 308ø Latimer Reef Light 018ø What is your position? 12708: You are on course 302ø per standard magnetic compass when you take the following bearings: Little Gull Island Light 283ø psc Race Rock Light 311ø psc Latimer Reef Light 027ø psc What is your position? 12709: You are on course 157ø per standard magnetic compass when you take the following bearings: Little Gull Island Light 277ø psc Race Rock Light 301ø psc Latimer Reef Light 028ø psc What is your position? 12900: Your 1302 position is LAT 37ø14.7' N, LONG 76ø22.7' W. You are turning for 9.6 knots. What is your ETA at Trestle C of the Chesapeake Bay Bridge and Tunnel if you follow York River Entrance Channel? 12901: Your 1152 position is LAT 37ø23.9' N, LONG 76ø05.5' W. You are turning for 10.3 knots. What is your ETA at Trestle C of the Chesapeake Bay Bridge and Tunnel if you follow York Spit Channel? 12902: Your 1312 position is LAT 37ø10.9' N, LONG 75ø29.6' W. You are turning for 8.3 knots. What is your ETA at LAT 37ø21.9' N, LONG 75ø42.6' W? 12903: Your 1426 position is LAT 37ø10.9' N, LONG 75ø29.6' W. You are turning for 9.3 knots. What is your ETA at Chesapeake Light? 12904: Your 0916 position is LAT 37ø10.9' N, LONG 75ø29.6' W. You are turning for 12.3 knots. What is your ETA at North Chesapeake Bay Entrance Buoy NCA? 12905: At 0919 you are in Chesapeake Channel between Trestle B and Trestle C of the Chesapeake Bay Bridge and Tunnel. What is your ETA to a point between York Spit Channel Buoys "35" and "36" if you are making 11.3 knots and follow the buoyed channel? 12906: At 0919 you are in Chesapeake Channel between Trestle B and Trestle C of the Chesapeake Bay Bridge and Tunnel. What is your ETA between York River Entrance Channel Buoys "17" and "18" if you are making 11.3 knots? 12907: At 0914 you are in Chesapeake Channel between Trestle B and Trestle C of the Chesapeake Bay Bridge and Tunnel. What is your ETA at North Chesapeake Entrance Buoy NCA if you are making good 10.9 knots (Use the buoyed channel and appropriate sea lane)? 12908: At 0919 you are inbound, approximately 4 miles east of Cape Henry with buoy "15" close aboard to port. What is your ETA between Trestle B and Trestle C of the Chesapeake Bay Bridge and Tunnel if you are making 11.3 knots? 12909: At 0914 you are in Chesapeake Bay southeast inbound lane with buoy "CBJ" close aboard to port. What is your ETA at Thimble Shoal Channel Buoy "19" if you are making 10.9 knots? 13000: Your 2108 position is LAT 41ø10.0' N, LONG 72ø30.0' W. You are turning for 12.5 knots. What is your ETA at Buoy NH (LAT 41ø12.1' N, LONG 72ø53.8' W)? 13001: At 1222 your position is LAT 41ø05.5' N, LONG 72ø47.3' W. You are making turns for 14.5 knots. What is your ETA at Twenty-Eight Foot Shoal Lighted Buoy (LAT 41ø09.3' N, LONG 72ø30.5' W)? 13002: At 0829 your position is LAT 41ø02.9' N, LONG 72ø57.4' W. You are making turns for 8.5 knots. What is your ETA at a position midway between buoys "1" and "2" at the entrance of New Haven Outer Channel? 13003: At 2102 your position is LAT 41ø02.9' N, LONG 72ø57.4' W. You are making turns for 16 knots. What is your ETA at a position 5 miles due south of Falkner Island Light? 13004: At 1815 your position is LAT 41ø05.5' N, LONG 72ø47.3' W. You are making turns for 12.6 knots. What is your ETA at Plum Island Mid Channel Buoy PI (LAT 41ø13.3' N, LONG 72ø10.8' W)? 13005: At 1715 your position is LAT 41ø00.0' N, LONG 72ø40.0' W. You are making turns for 15.5 knots. What is your ETA at a position 1.5 miles due south of Stratford Shoal Middle Ground Light? 13006: Your 1600 position is LAT 41ø08.0' N, LONG 72ø44.8' W. You are making turns for 14 knots. What is your ETA at Mattituck Inlet? 13007: Your 1600 position is LAT 41ø08.0' N, LONG 72ø44.8' W. You are making turns for 10 knots. What is your ETA at Twenty-Eight Foot Shoal Lighted Buoy "TE" (LAT 41ø09.3' N LONG 72ø30.5' W)? 13008: Your 2215 position is LAT 41ø05.4' N, LONG 72ø59.4' W. You are making 15 knots. What is your ETA at Twenty-Eight Foot Shoal Lighted Buoy (LAT 41ø09.3' N, LONG 72ø30.5' W)? 13009: Your 1830 position is LAT 41ø05.4' N, LONG 72ø59.4' W. You are making turns for 9 knots. What is your ETA at Mattituck Inlet? 13010: Your 0620 position is LAT 40ø59.5' N, LONG 73ø00.5' W. You are making turns for 8 knots. What is your ETA at LAT 41ø08.0' N, LONG 72ø44.8' W? 13100: Your position is LAT 41ø15.2' N, LONG 71ø50.1' W at 1347. You are turning for 6.9 knots. What is your ETA at Shagwong Reef Buoy "7SR"? 13101: At 1523 your position is LAT 41ø08.2' N, LONG 71ø34.4' W. You are turning for 8.7 knots. What is your ETA at Shagwong Reef Buoy "7SR"? 13102: At 2330 your position is LAT 41ø16.9' N, LONG 71ø38.2' W. You are turning for 9.3 knots. What is your ETA at the entrance to Great Salt Pond on Block Island? 13104: At 0242 your position is LAT 41ø16.8' N, LONG 71ø39.9' W. You are turning for 9.3 knots. What is your ETA at the West Gap of Pt. Judith Harbor of Refuge? 13105: At 1048 you are in the entrance to Great Salt Pond on Block Island with buoy "5" close aboard. What is your ETA at the west gap of Point Judith Harbor of Refuge if you make good 8.3 knots? 13106: At 1048 you are in the entrance to Great Salt Pond on Block Island with buoy "5" close aboard. What is your ETA at the west gap of Point Judith Harbor of Refuge if you make good 11.3 knots? 13107: At 1103 your position is LAT 41ø12.5 N, LONG 71ø37.4 W. What is your ETA at the west gap of Point Judith Harbor of Refuge if you make good 11.3 knots? 13108: At 1103 you are in the entrance to Great Salt Pond on Block Island with buoy "5" close aboard. What is your ETA at light "1" at the mouth of the approaches to Lake Montauk if you make good 8.2 knots? 13109: At 1113 you are in the entrance to Great Salt Pond on Block Island with buoy "5" close aboard. What is your ETA at light "1" at the mouth of the approaches to Lake Montauk if you make good 9.6 knots? 13210: At 0943, your position is LAT 41ø14.8' N, LONG 71ø54.3' W. You are turning for 12.2 knots. What is your ETA at the entrance to Great Salt Pond on Block Island? 13300: The soundings on this chart are measured in __________. 13301: The approach channel to the town of Cape Charles (LAT 37ø16' N, LONG 76ø01' W) has what controlling depth? 13302: The shoal spanned by Trestle B of the Chesapeake Bay Bridge and Tunnel is ________________. 13303: You are considering anchoring a mile or two northeast of Chesapeake Light. After examining the chart you decide not to because of the _______________________. 13305: What are the bottom characteristics of Nautilus Shoal (LAT 37ø03' N, LONG 75ø56' W)? 13306: In the northern quadrant of the circle surrounding Chesapeake Bay Entrance Junction Buoy CBJ the number 20 over a bracket appears 5 times. What do these indicate? 13307: The soundings on the chart are based on the depth of water available at __________. 13308: What can be expected at the spring tides? 13309: What type of bottom can be expected at the northern end of York Spit Channel? 13400: You are going to anchor at Gardiners Bay in LAT 41ø04.5' N, LONG 72ø13.0' W. What type of bottom should you expect? 13401: You are planning to anchor in Orient Harbor at LAT 41ø07.9' N, LONG 72ø18.5' W. Assuming that normal conditions exist, how much anchor cable should you put out? 13402: You are planning to anchor in Orient Harbor at LAT 41ø07.9' N, LONG 72ø18.5' W. What type of bottom should you expect? 13403: Your vessel has become disabled and is dead in the water. Your loran set fixes your position at LAT 41ø12.1' N, LONG 72ø43.5' W. You decide to anchor at this position. Which type of bottom should you expect? 13404: Your vessel has become disabled and is dead in the water. Your loran set fixes your position at LAT 41ø12.1' N, LONG 72ø43.5' W. You decide to anchor at this position. Under normal conditions, how much anchor chain should you expect to put out? 13405: At 0400 your vessel is dead in the water and in heavy fog. Your loran set fixes your position at LAT 41ø12.1' N, LONG 72ø43.5' W. Bottom samples are taken and indicate a composition of soft mud and shell. Your fathometer reads 40 feet. If the vessel draws 9 feet of water, which of the following is TRUE? 13406: You are planning to anchor your vessel at LAT 41ø01.1' N, LONG 73ø02.8' W. What type of bottom should you expect at this position? 13407: Your position is LAT 41ø03.0' N, LONG 72ø42.1' W. If your draft is 8 ft, what should your fathometer read at this position? 13409: You plan to anchor your vessel at LAT 41ø00.5' N, LONG 73ø02.8' W. What type of bottom should you expect at this position? 13410: You plan to anchor your vessel at LAT 41ø05.1' N, LONG 72ø59.3' W. Assuming that normal conditions exist, how much anchor cable should you put out? 13500: The soundings on this chart are measured in ___________. 13501: What type of bottom is found off the southern coast of Long Island? 13502: The four soundings in the vicinity of LAT 41ø12.2' N, LONG 71ø33.0' W, that are underlined with a bracket indicate _______________. 13503: You are proceeding from a point 4 miles due east of Montauk Point enroute to Long Island Sound via The Race. You should expect the soundings to _____________. 13504: A vessel anchoring in the middle of Cherry Harbor, 1 mile off Gardiner's Island, will find what type of bottom? 13505: What soundings are indicated by a blue tint on this chart? 13506: The broken magenta lines starting at Montauk Point and running generally ENE to Block Island indicate ___________. 13507: Areas enclosed by a long and short dashed magenta line indicate _____. 13508: The bottom approximately three miles to the ESE of Block Island Southeast Point has _________. 13509: Sounding contours in unshaded water areas are at what interval? 13606: The chart symbol at LAT 24ø53.0' N, LONG 80ø34.5' W indicates ___________. 13700: Local magnetic disturbances of up to how many degrees have been noted from Cape Henry to Currituck Beach Light? 13701: Why are there no buoys charted at the approach to Sand Shoal Inlet (LAT 37ø16' N, LONG 75ø46' W)? 13702: What chart should you use in Lynnhaven Bay (west of Cape Henry)? 13703: NOAA weather broadcasts can be received on what frequency while navigating off Cape Henry? 13705: The broken magenta lines (long and short dashes) in and around Mobjack Bay (LAT 37ø20' N, LONG 76ø22' W) indicate ___________________. 13706: What is the horizontal clearance of the navigation opening of Trestle B of the Chesapeake Bay Bridge and Tunnel? 13707: The level of mean high water at Old Point Comfort is how many feet above the sounding datum? 13708: A note on the chart indicates that currents in excess of how many knots can be expected in the vicinity of the Chesapeake Bay Bridge and Tunnel? 13709: Anchorage regulations for this area may be obtained from __________________. 13801: You are operating in the area approximately 2 miles southeast of Kelsey Point when you realize that your vessel's intended track will carry you over the wreck charted at LAT 41ø13.5' N, LONG 72ø29.6' W. Which statement is TRUE? 13802: Which chart would you use for more detailed information on the Connecticut River? 13803: NOAA Weather Broadcasts for the New London area may be received by turning your radio to __________. 13804: What is the significance of the broken magenta lines which roughly parallel the shore between Roanoke Point and Orient Point on Long Island? 13805: What is the danger associated with anchoring your vessel within a 300 yard radius of Gardiners Point? 13806: The chart symbol surrounding Saybrook Breakwater Light warns mariners that the navigational light structure is _________. 13807: The chart symbol depicted at LAT 40ø58.5' N, LONG 72ø43.4' W indicates a(n) _____. 13808: The chart symbol depicted at LAT 41ø13.5' N, LONG 72ø29.7' W indicates _____. 13809: Which chart, of the same scale, continues eastward from this chart? 13810: Which chart would you use if you planned to continue westward beyond the coverage of this chart? 13900: The trapezoidal shaped areas enclosed by a thin broken magenta line and located along the south coast of Long Island are _________________. 13901: The precautionary area southeast of Block Island refers to a _____________________. 13902: A vessel enroute to Long Island Sound from sea will enter waters governed by the Inland Rules of the Road ___________. 13903: Your position is LAT 41ø12.4' N, LONG 71ø53.2' W. You are on course 163ø T enroute to sea. You can ensure that you will clear Montauk Point if your loran reading is always ________________. 13904: On the south and the east coasts of Block Island are circles with a dot in the center and labeled CUP. This is a ___________________________. 13905: The Ruins (LAT 41ø08.5' N, L0NG 72ø08.8' W) is ____________. 13906: When approaching Block Island Sound from Long Island Sound, you will enter waters governed by the International Rules of the Road when you ______________. 13908: Montauk Point Light is 168 feet above what reference level? 13909: The irregular black line around a charted light such as Race Rock Light indicates that it is _______. 14001: At 1745 Lady Island Range is in line dead ahead and Government Island Upper Range is in line on your starboard bow. Your vessel is steaming in a westerly direction. At 1851 you pass under the Interstate 5 highway bridge. What speed have you averaged? 14002: At 1630 your vessel exits Bonneville Lock steaming in a westerly direction. What speed must you average to arrive at the Interstate 5 highway bridge with an ETA of 2120? 14003: At 1430 your vessel passes under the Interstate 5 highway bridge east bound. Your engines are making RPM's for 12 mph. If the current is a constant 3 mph, what is your ETA at Bonneville Lock? 14004: At 1745 Lady Island Upper Range is in line dead astern and Washougal Lower Range is in line on the starboard bow. You are steaming in an easterly direction. What speed must you average to arrive abeam of Cape Horn Light No. 67 at 1839? 14005: At 0800 your vessel is at mile 110 on the Columbia River. You are steaming in an easterly direction. At 0854 Lady Island Range is in line dead astern and Government Island Upper Range is in line on your port quarter. What speed have you averaged? 14100: Your vessel is awaiting lockage at Bonneville Lock. The staff gauge on the guide wall reads 18'-06". What is the maximum vessel draft allowed to enter the lock? 14101: What signal is given by air horn to indicate that Bonneville Lock is ready for entrance? 14102: Your vessel is awaiting lockage at Bonneville Locks when you notice that the lock is displaying an amber signal light. What type of vessel is allowed to enter the chamber under this signal? 14103: You are approaching Bonneville Lock and Dam and desire lockage. Which call sign should you use to contact the lock? 14104: You are approaching Bonneville Lock and Dam. Which FM-radio channel should be used to communicate with the lockmaster? 14200: What is the length of the city wharf at The Dalles on the Columbia River? 14201: The draw of the Burlington Northern railroad bridge across the Columbia River at mile 328.0 shall be opened on signal, without prior notice, from _____________. 14202: What is the minimum clearance for the bridge across the entrance to the Wind River at Home Valley, WA.? 14203: What is the vertical clearance of the fixed bridge across the entrance to Rock Creek at Stevenson, Washington? 14204: The mooring float at Beacon Rock State Park is restricted to pleasure boats and to periods not to exceed ________. 14205: You are off the coast of Mexico and are taking a time tick for 1600. At approximately 1554, you hear the preparatory signal "VVVV de XDD" from the time signal station. Then you hear a series of 1 second dashes followed by a 9 second silent period and then a long 1.3 second dash. At the beginning of the long dash, your comparing watch reads 03h 59m 56s. When compared to the chronometer, the comparing watch reads 04h 01m 22s, and the chronometer reads 04h 02m 11s. What is the chronometer error? 14300: What is the height above the water of Government Island Upper Range, lower light? 14301: What are the characteristics of Washougal Light on the Columbia River? 14302: What are the characteristics of the upper light of Government Island Lower Range, on the Columbia River? 14303: What is the height above the water of light No. 84 on the Columbia River below Bonneville lock & dam? 14304: What is a characteristic of light No. "41" on the Columbia River above Bonneville Lock? 14400: You are underway and proceeding in an easterly direction, on the Columbia River. After bringing Multnomah Falls Bar Range in line over your bow, you move to the left outside quarter of the channel. What should your fathometer read at this position, if the staff gauge at Portland reads +2.5 ft.? 14401: You are underway and steaming in an easterly direction on the Columbia River. Your vessel is positioned in the middle half of Cape Horn Channel and is abeam of Cape Horn Light. What should your fathometer read at this position, if the staff gauge at Portland reads 0 feet? 14402: You are underway and proceeding in an easterly direction on the Columbia River. Your vessel is positioned in the right outside quarter of McGowans Channel and is abeam of light No. 88. What should your fathometer read at this position, if the staff gauge at Portland reads + 15.0 feet? 14403: You are underway and steaming in an easterly direction on the Columbia River. After bringing Fisher Quarry Channel Range in line over your bow, you move to the left outside quarter of the channel. What should your fathometer read at this position, if the staff gauge at Portland reads +12.5 feet? 14404: You are underway and proceeding in an easterly direction on the Columbia River. You position your vessel in the middle of the channel and bring Government Island Lower Range in line over your bow. What should your fathometer read at this position, if the staff gauge at Portland reads 10.0 feet? 14500: Your vessel is at mile 170 on the Columbia River. You are proceeding in a westerly direction and are approaching the lift bridge at Hood River. The pool level of the Bonneville reservoir stands at 92 feet above MSL. If the highest point on your vessel is 52 feet above the water, which of the following statements is TRUE? 14501: You are proceeding in an easterly direction on the Columbia River. The pool level of the Bonneville Reservoir stands at 65 feet above MSL. If the highest point on your vessel is 54 feet above the water, what will be the vertical clearance as you pass under the overhead power cables at mile 186.2? 14502: You are proceeding in an easterly direction on the Columbia River. The pool level of the Bonneville reservoir stands at 84 feet above MSL. If the highest point on your vessel is 49 feet above the water, what will be the vertical clearance as you pass under the center of the Bridge of the Gods? 14503: You have just cleared Bonneville Lock and are proceeding in an easterly direction on the Columbia River. The pool level of the Bonneville reservoir stands at 78 feet above MSL. If the highest point on your vessel is 46 feet above the water, what will be the vertical clearance when you pass under the overhead power cables at mile 146.5? 14504: You are proceeding in a westerly direction on the Columbia River. The pool level of the Bonneville reservoir stands at 72 feet above MSL. If the highest point on your vessel is 44 feet above the water, what will be the vertical clearance as you pass under the overhead power cables at mile 173.8? 14515: At 2150, your position is LAT 36ø57.2' N, LONG 76ø01.3' W. In this position on the chart, you note a light magenta line running in a direction of 030² T. This line indicates the limits of _____________. 14517: From your 2200 fix, you steer course 288ø T to travel up the Thimble Shoal North Auxiliary Channel. If you are making good 6.0 knots, at what time would you expect to pass buoy "18" at the west end of the channel? (There are no set and drift.) 14600: What is the length of The Dalles Lock on the Columbia River? 14601: Where would you look for information on the restricted areas shown on the chart immediately above and below the spillway at The Dalles Lock & Dam ? 14602: Where would you tune your radio to receive a VHF-FM weather broadcast for the Columbia River in the vicinity of Government Island? 14603: Clearances of bridges and overhead cables below Bonneville Dam refer to heights in feet above mean ______________. 14604: Contour elevations on this chart refer to heights in feet above mean _____________. 14700: How many nautical miles are between mile 105 and mile 234 on the Columbia River? 14701: How many nautical miles are between mile 44 and mile 163 on the Columbia River? 14702: At 2200 your vessel is at mile 95 proceeding in an easterly direction on the Columbia River. At 0400 the following morning, you pass the 125 mile mark. How many nautical miles have you traveled since 2200? 14703: At 0800 your vessel is at mile 110 proceeding in an easterly direction on the Columbia River. At 1030 Reed Island is abeam to port as you pass the 125 mile mark. What has been your average speed in knots? 14704: At 0800 your vessel is at mile 110 on the Columbia River. Thirty minutes later your vessel is at mile 115. What is your speed in knots? 15006: You are on course 192ø pgc at 12 knots. You obtain a loran fix at 1900 using the following information: 9960-X-27120 9960-Y-41623 9960-Z-58729 What is your latitude and longitude at 1900? 15007: What course should you steer using the standard magnetic compass (psc) to make good the course of 192ø pgc? 15008: At 1920, the buoy off your starboard bow is _____________. 15009: At 1930, your position is LAT 37ø16.7' N, LONG 75ø37.7' W. The depth of water is approximately _____________. 15010: At 1950, your position is LAT 37ø12.3' N, LONG 75ø38.6' W. The set and drift from 1930 to 1950 were ____________. 15011: Assume set and drift have no effect on your vessel. If you change course to 187ø pgc from your 1950 position, how close will you pass Cape Charles Lighted Bell Buoy "14"? 15012: At 2020, you obtain a fix using the following information: 9960-X-27112 9960-Y-41432 Cape Charles Lighted Bell Buoy "14" bears 333ø pgc. Your longitude is _____________. 15013: At 2020, what is the course to steer to enter the inbound lane of North Chesapeake Entrance traffic seperation scheme if a northwestly wind causes 3ø of leeway? 15014: If you make good 12 knots, what is the ETA at North Chesapeake Channel Entrance Buoy "NCA" (LL #375)? 15015: At 2100, Cape Charles Light bears 321ø pgc, and Cape Henry Light bears 247ø pgc. Your latitude is _________. 15016: If the visibility is 3 miles, at what range will you lose sight of Chesapeake Light? 15017: At 2100, you alter course to 250ø T and reduce speed to 7 knots. You enter the traffic separation scheme on the inbound side. At 2200, your fix shows you crossing a broken purple line on the chart, and you observe North Chesapeake Entrance Lighted Gong Buoy "NCD" to port. This area is _____________. 15018: What course per standard magnetic compass is (psc) the same as 247ø pgc? 15019: At 2215, Cape Henry Light bears 242ø pgc, Cape Charles Light bears 010.5ø pgc, and Chesapeake Channel Tunnel North Light bears 319ø pgc. You are heading 271ø pgc. What is the relative bearing of Thimble Shoal Light? 15020: While navigating inbound Thimble Shoal Channel system you must ____________. 15021: The latest available information on the channel conditions above Baton Rouge that includes the latest buoy information, as well as recommended courses, is found in the __________. 15022: You are upbound approaching Springfield Lt. (mile 245.6 AHP) downriver from Profit Island. Which of the following statements is TRUE? 15023: At 1042, on 16 March, you are passing the Vicksburg gage (mile 437.0 AHP). What has been the average current since 0630, 15 March, if you have been making turns for 8.0 mph? 15024: Which of the following statements regarding buoys on the Mississippi River is TRUE? 15025: What is the mile point of the Arkansas City gage? 15026: The highest point on your towboat is 53 feet above the water, and the Helena gage (mile 663 AHP) reads 6.7 feet. What is the vertical clearance when you pass under the B-span of the Helena Highway Bridge in Helena? 15027: You are passing the Memphis gage at 0405, 18 March. If you are turning for 8 mph and estimate the current at 0.9 mph, what is your ETA at Cairo Point, Ill(954.5 AHP)? 15028: At what time would you listen to VHF Channel 22A (157.1 MHz) for information concerning the stage of the river between Memphis and Cairo? 15029: As you approach French Point Light (mile 915.4 AHP), you see 2 daymarks on the structure. What significance do the daymarks have? 15038: At 0705 you obtained the following Loran readings: 9960-X-27091.2 9960-Y-41612.8 9960-Z-58744.2 What is your vessel's position? 15039: At 0725 you determined your vessel's position to be 37ø15.5' N, 75ø33.2' W. Assuming that you make good your course of 206ø true and a speed of 18 knots, at what time would you expect to be abeam of Cape Charles Lighted Bell Buoy "14"? 15040: At about what time will you see Chesapeake Light if visibility is excellent? 15041: At 0741 you are still steering a course of 206ø true, with a speed of 18 knots. At this time you observe Cape Charles Lighted Bell Buoy "14" bearing 222ø true, Hog Island Lighted Bell Buoy "12" bearing 015ø true and the Loran reading 9960-Z-58677.3. What were the set and drift experienced since 0725? 15042: From your 0741 position, you wish to change course in order to pass 2.2 miles off Cape Charles Lighted Bell Buoy "14". Your engine speed is now 14.0 knots. You estimate the current to be 240ø true at 1.8 knots. What is the true course to steer to make good the desired course? 15043: At 0811 your vessel's position is 37ø04.9' N, 75ø39.7' W. You are steering a course of 220ø true at a speed of 14.0 knots. At what time would you expect the buoys in the northeasterly traffic scheme to line up, if you do not correct for a southwesterly current of 1.8 knots? 15044: At 0841 Chesapeake Light bears 164ø true, Cape Charles Light bears 312ø true, and Cape Henry Light bears 247ø true. What was your course made good since 0811? 15045: From your 0841 position, you are steering a course of 241ø true to the northeasterly inbound channel entrance, your speed is now 15 knots. What is your ETA abeam of buoy "NCA" (LL#375)? 15046: As you pass through the Chesapeake Bay Bridge and Tunnel, you take a bearing of 047ø pgc along trestle C when it is in line. The helmsman reports the vessel's heading as 316ø pgc and 329ø psc. What is the deviation on that heading? 15056: You are in New Haven Outer Channel and sight the range markers in line directly over the stern. Your heading at the time is 168ø per standard magnetic compass. What is the magnetic compass error? 15057: At 0720, you are in the outer channel between buoy "1" and buoy "2" and change course to pass Townshend Ledge Lighted Gong Buoy "10A" abeam to port at 0.1 miles. What is the course to steer per gyro compass if a northerly wind causes 2ø of leeway? 15058: At 0740, you plot a loran fix from the following readings: 9960-X-26545.9 9960-Y-44022.3 9960-W-15030.3 What is your position? 15059: From your 0740 position, you change course to pass 0.8 miles north of Falkner Island Light. Which loran reading will ensure that you will remain clear of the 18' shoal located 1 mile NW of Falkner Island Light? 15060: At 0802, the radar range and bearing to Branford Reef Light are 350ø pgc at 0.8 mile, and the north point of Falkner Island are 090ø pgc at 6.7 miles. What were the set and drift that you encountered since 0740? 15061: Falkner Island Light is shown ________________. 15062: If there is no current, what is the course per standard magnetic compass from your 0802 fix to a position 1.1 miles north of Falkner Island Light? 15063: At 0830, you want the latest weather forecasts for the Falkner Island area. On what frequency do you set your FM radio for this information? 15064: At 0844, the range to the north end of Falkner Island is 2.0 miles and the left tangent bearing is 102ø T. If the height of the tide is +1.0 foot, what is the approximate depth of the water under the keel? 15065: At 0925, you plot the following loran fix: 9960-W-14930.5 9960-X-26417.0 9960-Y-44006.5 If you correct for a current setting 035ø T at 0.5 knot, what true course will you steer from the 0925 position to arrive at a position 0.5 mile south of Long Sand Shoal West End Horn Buoy "W"? Horn Buoy "W"? 15066: If you correct for the current in question 15 (035ø T at 0.5 knot) and maintain an engine speed of 7.5 knots, what is your ETA 1.0 mile south of buoy "W"? 15067: At 0946, the radar range to Hammonasset Point is 2.5 miles. The range to the eastern most point of Falkner Island is 3.3 miles, and the range to Horton Point is 10.1 miles. What is your position at 0946? 15068: Long Sand Shoal _____________. 15069: During extreme low water, the soundings near Saybrook may require corrections up to __________. 15070: As you enter New London Harbor, you are steering on the entrance range. The lights are in line over the bow as you are heading 352ø pgc. What is the gyro error? 15106: The National Weather Service provides 24 hour weather broadcasts to vessels transiting the Chesapeake Bay Bridge Tunnel area on which frequency? 15107: At 1752, your position is LAT 37ø04.3' N, LONG 76ø06.4' W. On a flood current you should expect to be set to the _____. 15108: Your 1752 position places you _____________. 15109: What is the average velocity of the maximum flood current at the Tail of the Horseshoe? 15110: From your 1752 position, you steer 307ø pgc at 9 knots. At 1805, you obtain the visual bearings. What are the latitude and longitude of your 1805 position? Old Pt. Comfort Light 232ø pgc. Chesapeake Bay Tunnel North Light 130ø pgc. 15111: At 1810, you sight a buoy on your starboard side labelled This buoy marks _____________. 15112: Based on a DR, at approximately 1817 you would expect to __________. 15113: At 1845, you obtain a loran fix using the following information: 9960-X-27252.0 9960-Y-41432.0 9960-Z-58537.5 Your latitude is _____________. 15114: Your 1900 position is LAT 37ø12.9' N, LONG 76ø13.5' W. You change course to 317ø pgc and slow to 8.0 knots. What is the course per standard magnetic compass? 15115: If the visibility is 11 miles, what is the luminous range of New Point Comfort Spit Light "4"? 15116: According to your track line, how far off New Point Comfort Spit Light "4" will you be when abeam of this light? 15117: At 1930, you take a fix using the following radar ranges: York Spit Light - 3.6 miles; New Point Comfort Spit Light "2" - 2.0 miles; York Spit Swash Channel Light "3" - 2.5 miles. Your longitude is _____________. 15118: What was the speed made good from 1845 to 1930? 15119: What is the height above water of Davis Creek Channel Light 15120: If you have 17.3 miles to reach your destination from your 2000 position and want to be there at 2230, what speed should you make good? 15121: Your engine speed is 9.8 mph and you estimate the current at 1.2 mph. What is your speed over the ground? 15122: What is your ETA at the Helena Highway Bridge? 15123: What daymark should you see as you approach Lobdell Light (mile 238.1 AHP)? 15124: You pass Ratcliff Light (mile 289.8) at 1612. What was your average speed since leaving Baton Rouge? 15125: At 1612 you increase speed to make good 8.9 mph. At 1942 you are ________. 15126: The charts show two dashed lines crossing the river just south of St. Catherine Bar Light. What does this indicate? 15127: The Natchez gage reads 8.6 feet. The high point on your towboat is 38 feet above water. What is the vertical clearance when you pass under the Natchez Highway Bridge? 15128: What organization has an installation at the uppermost end of Carthage Revetment? 15129: If the gage at the Greenville Highway Bridge reads 10.8 feet, what is the water level in relation to the low water reference plane (LWRP)? 15130: What does the red diamond with the letter "S" indicate just below the entrance to Greenville Harbor (536.7 miles AHP)? 15138: At 2045 you obtained the following Loran readings: 9960-W-14844.0 9960-X-26128.0 9960-Y-43712.5 What is your vessel's position? 15139: At what time would you expect to be abeam of Buoy "MP"? 15140: At 2100 your position is 40ø44.1' N, 72ø07.6' W. From this position, at which time will Montauk Point Light become visible if the luminous range of the light is 8 miles? 15141: At 2146 your position is 40ø51.3' N, 71ø59.2' W. If your engine speed has been 13 knots, what were the set and drift of the current you encountered since your 2100 position? 15142: At 2146 if your fathometer is set on feet, what should be the approximate reading on your fathometer? 15143: From your 2146 position, with a new engine speed of 12 knots, you wish to change course in order to pass southeast of Buoy "MP" at a distance of 2 miles. With a reported set of 320ø true and a drift of 2 knots, which course should you steer to make good your desired course? 15144: At 2310 Buoy "MP" bears 305ø true with a radar range of 2.5 miles, and you obtained a Loran reading of 9960-Y-43823.3. From this position you change course to 005ø true. Without any set and drift, what would be your predicted distance off Southwest Ledge Buoy "2" when it is on your starboard beam? 15145: At 2357 your position is 41ø09.0' N, 71ø47.0' W and Montauk Point Light bears 216ø true. You change to a course of 293ø true and your speed is 14.5 knots. At 0012 Montauk Point Light bears 177ø true. Which statement about your 0012 running fix is TRUE? 15146: At 0016 your position is 41ø10.3' N, 71ø53.0' W. You are steering a course of 296ø true with no set and drift. At 0049 Race Rock Light is on your starboard beam. What was your speed made good from your 0016 position? 15156: Your 1600 position is LAT 37ø22.5' N, LONG 75ø32.3' W. The depth of water is about __________. 15157: If there is no current, what is the course per gyro compass from your 1600 position to point "A" located 0.5 mile due east of Hog Island Lighted Bell Buoy "12"? 15158: At 1630, you reach point "A" and come right to 204ø T. Your engine speed is 12 knots. Your 1715 position is LAT 37ø09.8' N, LONG 75ø37.4' W. The current was ___________. 15159: From your 1715, fix you steer 214ø T at 12 knots. At 1800, you take the following Loran-C readings: 9960 - X - 27116.8 9960 - Y - 41386.0 9960 - Z - 58620.6 Your 1800 position is _____________. 15160: At 1815, your position is LAT 37ø01.0' N, LONG 75ø42.7' W. If there is no current, what is the course per standard magnetic compass to arrive at a point 0.3 mile due north of North Chesapeake Entrance Lighted Whistle Buoy "NCA"? 15161: From your 1815 position, you want to make good course 263ø T. Your engines are turning RPMs for 12 knots. The current is 050ø T at 1.9 knots. Adjusting your course for set and drift, at what time should you expect to enter the red sector of Cape Henry Light? 15162: At 1920, Cape Henry Light bears 231ø pgc, and Chesapeake Channel Tunnel North Light bears 294ø pgc. If your heading is 268ø T, what is the relative bearing of Chesapeake Light? 15163: Which statement concerning your 1920 position is TRUE? 15164: From your 1920 position, you change course to enter Chesapeake Channel between bouys 9 and 10. What is the course per gyrocompass? 15165: At 2000, your position is LAT 37ø04.1' N, LONG 76ø05.6' W. You change course for the Eastern Shore. At 2037, Old Plantation Flats Light bears 033ø pgc, and York Spit Light bears 282² pgc. The course made good from your 2000 position was __________. 15166: At 2037, you change course and wish to make good a course of 016ø T. There is no current, but an easterly wind is causing 3ø leeway. What course per standard magnetic compass should you steer to make good the course 016ø T? 15167: Your height of eye is 25 feet (7.6 meters). If the visibility is 11 nautical miles, what is the luminous range of Wolf Trap Light? 15168: Which chart provides more detail of Cape Charles harbor and its approaches? 15169: At 2123, your position is LAT 37ø20.0' N, LONG 76ø03.0' W. What is your distance offshore of Savage Neck? 15170: From your 2123 position, you are approximately 42 miles from Crisfield, MD. If you are making good a speed of 11 knots, at what time should you arrive at Crisfield, MD? 15206: At 1730, your position is LAT 37ø13.9' N, LONG 76ø26.4' W. You are steering course 088ø per standard magnetic compass (psc) at an engine speed of 8.0 knots. What is your distance off Tue Marshes Light at 1730? 15207: What is the maximum allowable speed of vessels underway up river from Tue Marshes Light? 15208: At 1750, your position is LAT 37ø14.5' N, LONG 76ø22.9' W. What was the course made good between 1730 and 1750? 15209: At 1800, Tue Marshes Light bears 264.5ø pgc, York Spit Swash Channel Light "3" bears 007ø pgc. Your position is _______. 15210: What course should you steer per standard magnetic compass in order to navigate down the center of York River Entrance Channel (ignore set and drift)? 15211: You have just passed York River Entrance Channel Lighted Buoys "13" and "14". The chart shows a light approximately 1.0 mile off your port beam with a light characteristic "Fl 6 sec". What is the name of this light? 15212: At 1930, your vessel is between York River Entrance Channel Lighted Buoys "1YR" and "2". From this position, you change course to 142ø pgc at an engine speed of 8.0 knots. At 2001, you obtain the following information: Chesapeake Channel Tunnel North Light - 131ø pgc; Thimble Shoal Light - 248ø pgc What were the set and drift between 1930 and 2001? 15213: At 2015, your vessel is at the Chesapeake Bay Bridge and Tunnel midway between buoys "13" and "14". If the height of tide is -1 foot (-0.3 meters), what is the approximate depth of water? 15214: If you steer 143ø pgc from your 2015 position at an engine speed of 8.0 knots, at what time would you reach a point midway between buoys "11" and "12" (ignore set and drift)? 15215: At 2015, you alter course to 154ø pgc. What is the course per standard magnetic compass (psc)? 15216: Which of the following concerning Thimble Shoal Channel is TRUE? 15217: At 2118, you obtain the following bearings: Cape Henry Light - 148ø pgc Cape Charles Light - 033ø pgc Thimble Shoal Light - 291ø pgc From this position, you proceed to Norfolk, VA, a distance of approximately 26.0 miles. To arrive at Norfolk by 0200 the next day, what is the speed to make good from your 2118 position to arrive at this time? 15218: What is your 2118 position? 15219: From your 2118 position, you steer a course of 288øT at an engine speed of 7.0 knots. Visibility is suddenly reduced to 2 miles. At what time can you expect to see Old Point Comfort Light? 15220: If the Old Point Comfort main light was inoperative what emergency light would be shown? 15221: What is the total length of the trip? 15222: You estimate the current as 3.0 mph. What is the speed over the ground? 15223: You will pass the first gage at _____________. 15224: What is the milepoint of the Red River Landing Gage? 15225: As you pass Fort Adams (311.4 AHP) you observe a flashing amber light on the right descending bank ahead. This indicates that you should __________. 15226: The highest point on your towboat is 47 feet above water. The Natchez gage (mile 363.3 AHP) reads 18.7 feet. What is the vertical clearance when you pass under the Natchez (westbound) Hwy. Bridge? 15227: You pass under the Natchez bridge (363.3 AHP) at 1740, on 27 March, and estimate the current to be 2.3 mph. What is your ETA at St. Louis if you continue to turn for 7.5 mph? 15228: As you approach Cannon Point Light (mile 418.3 AHP), what daymark will you see on the light structure? 15229: The small red and white striped rectangle to the north of Oak Bend Lt. (425.6 AHP) indicates a _____________. 15230: What is the distance from Cairo Point, Ill, to Arkansas City? 15231: As you approach mile 659.4 AHP, you see on the right descending bank a flashing green light. This light marks ______. 15238: At 0930 you obtain a position from the following information: Race Rock Light bears 110ø T at a range of 1.4 miles, and Goshen Point bears 330ø T at a range of 3.3 miles. What are your present latitude and longitude? 15239: At 1000 buoy "PI" is abeam to starboard a distance of 0.5 mile. From this position, with a set of 295ø and a drift of 1.6 knots, what course must you steer to arrive at a point with Buoy "TE" one mile abeam to starboard? 15240: You take a Loran-C fix at 1130 using the following lines: 9960-X-26319 9960-W-14880 The fathometer reads 81 ft. Your position is _____________. 15241: At 1155 your vessel's position is LAT 41ø09.0' N, LONG 72ø34.4' W. If you make good a course of 282ø T and a speed of 10.0 knots, when will you arrive at New Haven Harbor Lighted Bell Buoy "NH"? 15242: From your 1155 position, you steer a course of 282ø T at a speed of 9.5 knots. You obtain the following bearings: 1205: Falkner Island Light bears 318ø T 1225: Falkner Island Light bears 355ø T Your 1225 running fix is _____________. 15243: At 1245 the loran readings obtained show your position to be LAT 41ø10.3' N, LONG 72ø44.2' W. You are steering a course of 284ø T at an engine speed of 13.0 knots. At what time would you expect the New Haven Harbor Outer Range to be in line if you have a current setting 112ø T at 1.2 knots? 15244: At the time of your 1245 position, which statement is TRUE? 15245: After departing the New Haven terminals, your 1800 position puts the New Haven Harbor Lighted Bell Buoy "NH" bearing 130ø T at a range of 0.2 mile. From this position you set a course to leave Stratford Shoal Middle Ground Light 1.0 mile off your starboard beam. Your speed is 12.5 knots. At 1845 you determine your position to be LAT 41ø05.5' N, LONG 73ø03.1' W. What were the set and drift of the current? 15246: From your 1845 position, you desire to leave Stratford Shoal Middle Ground Light 1.0 mile off your starboard beam at 1900. Which course and speed would you order if you allow for a 2.0 knot current with a set of 180ø T? 15256: At 0700, Stratford Shoal Middle Ground Light bears 143ø pgc at 1.8 miles. What is your 0700 position? 15257: At 0725, Stratford Point Light bears 327ø pgc at 3.1 miles. At this time, you wish to change course to 048ø T. The current is 135ø T at 1.8 knots. Your engine speed is 8 knots. What course must you steer to make good 048ø T? 15258: Which structure should you look for while trying to locate Stratford Point Light? 15259: At 0830, you obtain the following Loran-C readings: 9960-W-15043.1 9960-Y-44028.1 What is your vessel's position? 15260: From your 0830 position, you wish to make good 097ø T. There is no current, but a southerly wind is producing 4ø leeway. What course should you steer per standard magnetic compass in order to make good your true course? 15261: You make good 097ø T from your 0830 fix. With a westerly current of 1.2 knots, what engine speed will you have to turn for from your 0830 position in order to arrive abeam of Six Mile Reef Buoy "8C" at 1030? 15262: At 0910, your DR position is LAT 41ø11.9' N, LONG 72ø47.8' W. Your vessel is on course 097ø T at 9.5 knots, and the weather is foggy. At 0915, Branford Reef Light is sighted through a break in the fog bearing 318ø T. At 0945, Falkner Island Light is sighted bearing 042ø T. What is your 0945 running fix position? 15263: What do the dotted lines around Goose Island and Kimberly Reef represent? 15264: At 1100, your position is LAT 41ø11.3' N, LONG 72ø28.0' W. You are steering a course of 069ø T to leave Black Point one mile off your port beam. It has been reported that the Long Sand Shoal Buoys and Hatchett Reef Buoys are off station. What will serve as a line marking the hazards and keep your vessel in safe water? 15265: Orient Point Light is _____________. 15266: At 1210, you are in position LAT 41ø14.3' N, LONG 72ø16.5' W. What is the charted depth of water? 15267: From your 1210 position, you are steering a course of 083ø T. Your engines are turning RPMs for 10 knots. The set and drift of the current are 310ø at 1.7 knots. At what time should you expect to enter the red sector of New London Harbor Light? 15268: Your vessel is proceeding up New London Harbor Channel, and you are in line with the range. What would be your course per standard magnetic compass? 15269: New London Harbor is _____________. 15270: The distance from New London to the east entrance of the Cape Cod Canal is _______________. 15306: Your 0200 position is LAT 37ø23.5' N, LONG 76ø09.2' W. Your speed is 8 knots, and your course is 095ø T. Which statement is TRUE? 15307: At 0315, you obtain the following loran readings: 9960-Y-41588.0 9960-X-27240.0 What is the true course from this position to the entrance of York Spit Channel? 15308: From your 0315 position, what time can you expect to reach York Spit Channel Buoys "37" and "38"? 15309: The engineer has advised that it will be necessary to secure the gyrocompass and the electronic equipment. From your 0315 position, what is your course per standard magnetic compass to York Spit Channel Buoy "38", if there is no current? 15310: Which chart could you use for greater detail of the area at the south end of York Spit Channel? 15311: You leave York Spit Channel at buoy "14" at 0600 with an engine speed of 12 knots. You receive orders to rendezvous with the tug "Quicksilver" and her tow at Hog Island Bell Buoy "12". What is your ETA at the rendezvous point, if you pass through Chesapeake Channel to buoy "CBJ", through the outbound traffic separation lane to buoy "NCA" (LL#375), and then to the rendezvous point? 15312: You arrive at the rendezvous point, secure the tow, and head back southward. At 1200, you take the following loran readings: 9960-Y-41534 9960-X-27114 9960-Z-58691 What is your 1200 position? 15313: From your noon position, if there is no set and drift, what is your course per standard magnetic compass to the "NCA" (LL #375) buoy? 15314: Your gyro and electronic gear are again operating. At 1710, Chesapeake Light bears 137ø pgc at 6.6 miles. The current is setting 160ø T at 2 knots. At your speed of 6 knots, what is your true course to steer to remain in the inbound traffic lane? 15315: At 1810, you obtain the following loran readings: 9960-X-27158.0 9960-Y-41292.5 9960-Z-58546.9 What is your position? 15316: What speed have you made good from 1710 to 1810? 15317: If you make good a speed of 6.0 knots from your 1810 position, what is your ETA at Chesapeake Channel Lighted Bell Buoy "2C"? 15318: You passed Cape Henry Light at 0730 outbound at maximum flood. What approximate current can you expect on entering Chesapeake Channel? 15319: The coastline by Cape Henry is best described as ___________. 15320: Inbound, the color of Cape Henry Light will _______. 15321: What is the total length of the trip? 15322: You estimate the current at 3.0 mph. What is the speed over the ground? 15323: What are the dimensions of the channel maintained at Baton Rouge, LA? 15324: You pass Springfield Bend Lt. (244.8 AHP) at 1242, on 17 October, and estimate the current will average 2.5 mph for the remainder of your trip. What is your ETA at the mouth of the Ohio River if you are making turns for 10.5 mph? 15325: As you pass under the Natchez-Vidalia Dual Bridge, the gage on the bridge reads -3.6. If the highest point on your vessel is 62 ft. above the water, what is your vertical clearance? 15326: What are the color and shape of Sunnyside Daymark at mile 530.6 AHP? 15327: At 1227, on 19 October, you pass under the Greenville Highway Bridge (mile 531.3 AHP). What speed must you average to arrive at Jimmy Hawken Light (mile 663.5 AHP) at 0930 the following day? 15328: Which of the following statements regarding aids to navigation shown in the Corps of Engineers map book is TRUE? 15329: The Delta-Friar Point revetment on the LMR extends from mile _____________. 15330: What is the distance from Greenville, MS, to St. Louis, MO, on the Mississippi River System? 15338: At 1705 Race Rock Light bears 099ø True; Orient Point Light bears 176ø True; Bartlett Reef Light bears 083ø True. What is your vessel's position? 15339: If there is no set or drift, at what time would you be abeam of Bartlett Reef Light? 15340: At 1718, Bartlett Reef Light bears 050² T at a distance of 1.5 miles. From this position, you change course to 128ø T. At 1750 Race Rock Light bears 336² T, Little Gull Island Light bears 285ø T, and Montauk Point Light bears 134ø T. What were the set and drift of the current you encountered since 1718? 15341: If your fathometer is set on fathoms, what should your fathometer read at 1750? 15342: At 1756 you determined your vessel's position to be 41ø10.4' N, 71ø59.2' W. From this position, you wish to change course to head for a point 5 miles west of Block Island North Light. With a reported set of 050ø T, a drift of 2.0 knots and turning RPM's for 14 knots, which course should you steer to make good your desired course? 15343: At 1844 you obtained the following Loran readings: 9960-W-14607 9960-X-25962 9960-Y-43920 Which statement is TRUE? 15344: From your 1850 position of 41ø12.8' N, 71ø44.1' W, you change course to 060ø T. If you make the course good, what will be your predicted distance off Point Judith Light when the Light bears 015ø T? 15345: You are making good a course of 060ø T at a speed of 13.5 knots. At 1855 Block Island North Light bears 086ø T; at 1910 Block Island North Light bears 108ø T; and at 1930 the same light bears 184ø T. Which statement is TRUE about your 1930 running fix position? 15346: At 1942 Point Judith bears 030² T and has a range of 3.6 miles and Sandy Point has a range of 5.3 miles. What was your speed made good from your 1850 position? 15356: You are on course 092ø T, and the engines are turning for 8 knots. At 0452, you take the following bearings: Stratford Point Light 020ø pgc Stratford Shoal (Middle Ground) Light 141ø pgc What is your 0452 position? 15357: If the visibility is 10 miles, what is the earliest time you can expect to see New Haven Light? 15358: At 0507, Stratford Shoal Middle Ground Light bears 208ø pgc. What is the position of your 0507 running fix? 15359: Based on your running fix, you ____________. 15360: Your 0507 position is about 7 miles from Bridgeport, CT. What is the distance from this position to Newport, RI? 15361: Your 0530 position is LAT 41ø04.9' N, LONG 73ø01.1' W. What is the course per standard magnetic compass to a position 1.0 mile south of Twenty Eight Foot Shoal "TE" buoy? 15362: The south shore of Long Island Sound near your position is ________________. 15363: At 0530, you change course to 090ø T and increase speed to 8.5 knots. What is the course to steer per gyro compass if northerly winds are causing 2ø of leeway? 15364: At 0615, Stratford Point Light bears 292ø pgc, Falkner Island Light bears 052ø pgc, and Branford Reef Light bears 018ø pgc. What was the current since 0530? 15365: Which loran line can you follow to remain clear of all danger until south of New London? 15366: At 0615 you change course to 078ø T. If there is no current, when will Falkner Island Light be abeam? 15367: At 0700, Falkner Island Light bears 023ø pgc, and the range to the south tip of Falkner Island is 7.1 miles. What was the course made good since 0615? 15368: At 0705, the gyro loses power. At 0730, you are on course 092ø per standard magnetic compass (psc). Falkner Light bears 352ø psc, Horton Point Light bears 119ø psc, and Stone Island Reef Light bears 229ø psc. What is the position of your 0715 fix? 15369: Horton Point Light _____________. 15370: If visibility permits, Little Gull Island Light will break the horizon at a range of approximately ___________. 15406: At 1400, your position is LAT 37ø14.7' N, LONG 76ø22.3' W. From this position, you head for the York River Entrance Channel Buoy "17". What should you steer per standard magnetic compass for this heading? 15407: At 1430, your position is LAT 37ø12.8' N, LONG 76ø17.7' W. At this time, you come left and steer 045ø T. This course will lead you through a channel bordered by yellow buoys. The dashed magenta lines between the buoys mark ___________. 15408: From your 1430 fix, you order turns for 8 knots. You steer 045ø T and experience no set and drift. At what time would you expect to have New Point Comfort Spit Light "4" abeam? 15409: At 1540, your position is LAT 37ø18.4' N, LONG 76ø10.5' W. Which course should you steer per gyrocompass to head for the entrance to Cape Charles City? 15410: You arrive at Cape Charles City at 1700 and depart at 1800. You are underway in Chesapeake Bay and encounter heavy fog. At 1830, you obtain the following Loran-C readings: 9960-X-27224 9960-Y-41456 9960-Z-58572 What is your 1830 position? 15411: From your 1830 fix, you continue south on a course of 150ø T turning RPMs for 6 knots. You encounter a flood current in the direction of 330ø T at 2 knots. Adjusting your course for set and drift, which course would you steer to make good a course of 150ø T while turning RPMs for 6 knots? 15412: Determine your 1915 position using the following information obtained at 1915. Visual bearings Cape Charles Light 107ø pgc Cape Henry Light 172ø pgc Radar Bearing and Range Chesapeake Channel Tunnel South Light 189ø pgc at 7.2 miles 15413: From your 1915 fix you come right and steer a course of 200ø T. At 2000, your position is LAT 37ø05.5' N, LONG 76ø07.0' W. Your intention is to pass through Chesapeake Channel. If there are no set and drift, what course would you steer per standard magnetic compass to make good a course of 145ø T? 15414: At 2100, you have passed through the Chesapeake Bay Bridge and Tunnel and determine your position to be LAT 37ø01.3' N, LONG 76ø03.0' W. The current is flooding in a direction of 303ø T at 2.5 knots. Adjusting your course for set and drift, which course would you steer while turning RPMs for 6 knots to make good a course of 175ø T? 15416: At 2200, you are in position LAT 36ø57.5' N, LONG 76ø02.5' W. You intend to travel up the Thimble Shoals auxiliary Channel to Hampton Roads. According to the Coast Pilot, what is the depth of the auxiliary channel on either side of the main channel? 15418: At 2205, you are in Thimble Shoal North Auxiliary Channel abeam of lighted gong buoy "4". At this time the visibiliy decreases to 5 miles. You continue to turn RPMs for 6 knots and experience no set and drift. What time would you expect Old Point Comfort Light (white sector) to become visible? 15419: The mean high water level at Old Point Comfort is _________. 15420: You are entering Norfolk Harbor and have just passed Craney Island. Which chart should you use for your final approach into Norfolk Harbor? 15421: You have received orders to proceed to the Amoco Pipeline Co. (253.6 AHP) above Baton Rouge. If your vessel is making turns for 9 mph with an estimated average current of 1.5 mph, what is your ETA at the Amoco docks? 15422: The highest point on your towboat is 52 feet above the water, and the Helena Gage reads +9.6 feet. What is the vertical clearance when you pass under the A-span of the Helena Highway Bridge? 15423: You are in charge of a vessel that damages an aid to navigation established and maintained by the United States. Which statement is TRUE? 15424: At 2342, on 25 August, you pass under the Helena Highway Bridge (661.7 AHP). What has been the average speed of the current since departing Memphis Harbor, McKellar Lake, if you have been making turns for 9 mph? 15425: What is the distance in river miles, from the new mouth of the White River to the RR and Hwy bridge at Baton Rouge, LA? 15426: The Clinch River empties into which river? 15427: As you pass under the Greenville Highway Bridge, you estimate the current as 4.5 mph. What is the speed over the ground, if your vessel is making turns for 9 mph? 15428: As you approach Cottonwood Chute Light (mile 530.5 AHP), which type of daymark would you see on the light structure? 15429: You are downbound, passing by Natchez, Miss., when you observe on your Mississippi River map a diamond with an "S" inside on the left bank below the Natchez Hwy Bridge. This indicates a _____________. 15430: What are the dimensions of Old River Lock, on the Lower Mississippi River? 15438: At 2038 you are on course 272ø T when you take the following loran readings: 9960-X-27087.2 9960-Y-41234.6 9960-Z-58573.6 Based on this fix, which statement is TRUE? 15439: What is your ETA off Chesapeake Bay Entrance Buoy "CB" at the entrance to the inbound lane of the traffic separation scheme? 15440: Your ETA at Chesapeake Bay Bridge and Tunnel between trestles B + C is 2300. If your engine speed is 9.8 knots, what will be your approximate speed over the ground, at that time, allowing for the predicted current? 15441: At buoy "CB" you change course to follow the inbound traffic lane. What is the course to steer per gyro compass if you correct your heading for a current of 315ø at 1.0 knot and allow 3ø leeway for northeasterly winds? 15442: At 2216 CBJ Buoy is close abeam to port. Your lookout reports several sound signals with their relative bearings. Which would you judge to be coming from a vessel? 15443: As you enter Chesapeake Bay, visibility improves. At 2235 you are between Chesapeake Channel Buoys "5" and "6" in the 41 foot dredged section of Chesapeake Channel. At that time, you change course to pass between buoy "9" and "10". If bouys "11" and "12" are extinguished, your best leading light to keep you in deep water in the Chesapeake Channel, as you approach the Chesapeake Bay Bridge and Tunnel, would be ___________________. 15444: At 2306, as you pass through Trestle "C", you take a gyro bearing of the trestle when it is in line. The bearing is 049.5ø. What is the gyro error? 15445: As you proceed up York Spit Channel, what are the three base courses that you must steer to conform to the channel, if steering by standard magnetic compass? 15446: You are abeam of bouy "18" at 2325. What is your ETA at Baltimore if you average 9.5 knots? 15456: Your cargo vessel is berthed near Lamberts Point in Norfolk. You wish to sail on the first slack water. Slack before ebb at Chesapeake Bay Entrance is predicted for 0312. What time should you plan on getting underway? 15457: What is the distance from Lamberts Point to Thimble Shoal Lt.? 15458: You are delayed in sailing due to engineering problems. You get underway at 0630. A Coast Guard radio broadcast advises that an aircraft carrier will transit the Elizabeth River enroute Norfolk Naval Shipyard and a safety zone is in effect. Further information on how far you must remain from the carrier found is in _____. 15459: At 0823, Old Point Comfort Light bears 000ø T at 0.6 mile. What is your 0823 position? 15460: At 0845, you are approaching the entrances to Thimble Shoal Channel. What channel must you use? 15461: At 0908, you change course to 010ø T. What course should you steer per standard magnetic compass? 15462: Visibility has decreased to 1 mile in haze. At 0948, you take the following radar ranges. What course should you steer from this fix to the York Spit channel between buoys "19" and "20"? Thimble Shoal Light - 5.9 miles South end of trestle C of the Chesapeake Bay Bridge and Tunnel - 3.8 miles South end of trestle B of the Chesapeake Bay Bridge and Tunnel - 5.4 miles 15463: If you are making 10 knots, what is your ETA at York Spit Channel Buoys "19" and "20"? 15464: What is the course per standard magnetic compass on the southern leg of York Spit Channel between buoys "15" and 15465: What is indicated by the dashed magenta line crossing York Spit Channel between buoys "20" and "22"? 15466: At 1015, you estimate you have 139 miles to complete the voyage. If you average 9.5 knots, you will complete the voyage in _________. 15467: At 1018, you are entering York Spit Channel and buoy "19" is abeam to your starboard. What speed are you making good? 15468: Which loran line of positon will serve as a danger reading on the loran to keep you west of the submerged obstruction at LAT 37ø24.2' N, LONG 76ø03.7' W, after you leave York Spit Channel? 15469: At 1037, you are on course 010ø T at 10 knots, when you take the following loran readings: 9960-X-27243.8 9960-Y-41497.6 9960-Z-58575.9 What is your 1037 position? 15470: At 1119, Wolf Trap Light bears 268ø T at 4.4 miles by radar. What were the set and drift since your 1037 fix? 15506: You are underway in the vicinity of Block Island and obtain the following lines of position: Montauk Point Light 263ø pgc Block Island Southeast Light 026ø pgc Radar Bearing to Block Island Southwest Point 348ø pgc What is your position at the time of these sightings? 15507: What course should you steer by your standard magnetic compass to make good a course of 280ø T? 15508: Which of the following statements, concerning the radiobeacon at Montauk Point Light, is TRUE? 15509: At 1800, your position is LAT 41ø06.5' N, LONG 71ø43.5' W. How would the buoy which bears 030ø T from your position at a range of approximately 0.5 mile be painted? 15510: From your 1800 position you steer a course of 350ø psc at a speed of 10.0 knots. At 1830, your position is LAT 41ø11.7' N, LONG 71ø45.8' W. What are the set and drift of the current? 15511: From your 1830 fix, you come left to a course of 290ø T. Which of the following statements concerning Watch Hill Light is FALSE? 15512: At 1850, you obtain the following bearings and distances: Montauk Point 189ø pgc 8.7 miles Watch Hill Light 340ø pgc 5.7 miles What true course did you make good between 1830 and 1850? 15513: If your height of eye is 35 feet (10.7 meters), what is the approximate geographic range of Block Island North Light? 15514: From your 1850 fix, you come left to a course of 280ø T, while maintaining a speed of 10 knots. Which of the following combinations of available Loran-C lines would be best for position determination? 15515: You decide to use the 9960-Y and 9960-W rates. At 1915, you obtain the following readings: 9960-Y-43936.0 9960-W-14653.3 What is your 1915 position? 15516: If you were to head into Fishers Island Sound, which of the following charts would you switch to for better detail of Mystic and Mystic Harbor? 15517: From your 1915 position, you come left and set a course for Gardiners Point. At 1930, your position is LAT 41ø12.7' N, LONG 71ø56.8' W. What type of bottom is charted at this position? 15518: From your 1930 position, you plot a course to pass 0.5 mile due south of Race Rock Light. If your vessel's speed is 10.0 knots, the current's set and drift are 040ø T at 1.8 knots, and a north wind produces a 3ø leeway, what true course should you steer to make good your desired course? 15519: As an option to heading into Long Island Sound, you consider anchoring in the vicinity of the Gardiners Point Ruins at the north end of Gardiners Island. What is the minimum recommended distance from the ruins for fishing, trawling, or anchoring? 15520: NOAA VHF-FM weather broadcasts from New London, CT are on ___________. 15521: What is the length of the trip? 15522: After you get underway, what is the first river gage you will pass? 15523: The Red River Landing gage reads 5.2 feet. Which of the following statements is TRUE? 15524: At 0922, on 24 May, you are abreast the St. Catherine Bar Lt. (mile 348.6 AHP). If you are turning for 8.0 mph, what is the current? 15525: What daymark will you see as you approach Warnicott Bar Lt. (mile 351.3 AHP)? 15526: You pass Warnicott Bar Lt. at 1146, 24 May. What is your ETA off the Mhoon Landing gage if you average 6.5 mph? 15527: What town is located at mile 389.8 AHP? 15528: The blue colored inlet below Grand Gulf Island Light (404.9 AHP) is a ______________. 15529: The Greenville gage reads 10.6 feet. The high point of your towboat is 54 feet above water. What is the vertical clearance as you pass under the Greenville Highway Bridge? 15530: In addition to the C of E maps, data on bridge clearances may be found in the _____________. 15538: At 2127 you take the following round of bearings: Old Field Point Light 224.0ø pgc Middle Ground Light 320.5ø pgc Stratford Point Light 348.0ø pgc Based on the above fix, which statement is TRUE? 15539: At 2127 you are on course 076ø T. What is your ETA at a position where Twenty Eight Foot Shoal Lighted Bell Buoy is abeam to port? 15540: At 2200 you take the following loran readings: 9960-W-15064.5 9960-Y-43954.8 Which statement is TRUE? 15541: You alter course to make good 076ø T from your 2200 fix, and estimate you will make 13.6 knots over the ground. If the visibility is 5.5 miles, what is the earliest time you will sight Falkner Island Light? (nominal range 13 miles) 15542: At 2214 you receive a "Securite" call requesting you to remain at least 2 miles away from underwater work taking place at LAT 41ø07.8' N, LONG 72ø34.6' W. If you change course at 2220 and allow 3ø leeway for southerly winds which course will you steer per gyrocompass to comply with this request? No allowance made for current. 15543: At 2236 you take the following loran readings: 9960-W-14994.6 9960-X-26455.2 9960-Y-43949.0 What was the speed made good along the track line since your 2200 fix? 15544: At 2310 you change course to make good 068ø T. A radar speed check using Twenty Eight Foot Shoal Buoy indicates your speed over the ground is 13.6 knots. At 2325 Horton Point Light bears 061ø relative. At 2341 the same light bears 126ø relative. At each bearing, the helmsman reported that the ship's head was 070ø pgc. What is the position of your 2341 running fix? 15545: At 2342 the gyro alarm sounds and you commence steering by standard magnetic compass. If you allow 3ø leeway for southerly winds and do not correct for any existing current, what is the course to steer by standard magnetic compass to make good 068ø T? 15546: At 2350 the gyro is restored to service. At 0016 the visibility improves. At 0028 you sight Bartlett Reef Light in line with New London Harbor West Entrance Light bearing 039ø pgc. What is the gyro error? 15560: In clear weather, you will lose sight of Point Judith Light at what distance? 15561: At what time will you cross the 60 foot curve if you make good 12 knots? 15562: The two wavy magenta lines running to Green Hill Point represent __________. 15564: What was the current between 0520 and 0600? 15565: From your 0600 position, what is the course per gyrocompass to leave Watch Hill Light abeam to starboard at 2.0 miles if a southerly wind is producing 3ø of leeway? 15566: At 0520 you take the following observations: Point Judith Light 036ø pgc Point Judith Harbor of Refuge Main Breakwater Center Light 312ø pgc What is the position of your 0520 fix? 15567: Point Judith Harbor of Refuge __________. 15568: At 0520, you are on course 243ø pgc at 12 knots. What is the course per standard magnetic compass? 15569: The coastline between Point Judith and Watch Hill is _______. 15606: Your 1600 position is LAT 37ø22.5' N, LONG 75ø32.3' W. The depth of water under the keel is about __________. 15607: If there is no current, what is the course per gyro compass from your 1600 position to point A located 0.5 mile due east of Hog Island Lighted Bell Buoy "12"? 15608: At 1630, you reach point A and come right to 204ø T. Your engine speed is 12 knots. Your 1715, position is LAT 37ø09.8' N, LONG 75ø37.4' W. The current was ___________. 15609: From your 1715 fix, you steer 214ø T at 12 knots. At 1800, you take a fix using the following Loran-C readings: 9960 - X - 27116.8 9960 - Y - 41386.0 9960 - Z - 58620.6 Your 1800 position is _____________. 15610: At 1815, your position is LAT 37ø01.0' N, LONG 75ø42.7' W. If there is no current, what is the course per standard magnetic compass to arrive at a point 0.3 mile due north of North Chesapeake Entrance Lighted Whistle Buoy "NCA" (LL#375)? 15611: From your 1815 position, you want to make good a course of 263ø T. Your engines are turning RPM's for 12 knots. The current is 050ø T at 1.9 knots. Adjusting your course for set and drift, at what time should you expect to enter the red sector of Cape Henry Light? 15612: At 1920, Cape Henry Light bears 225ø pgc, and Chesapeake Channel Tunnel North Light bears 288ø pgc. If your heading is 268ø T, what is the relative bearing of Chesapeake Light? 15613: Which statement concerning your 1920 position is TRUE? 15614: From your 1920 position, you change course to enter Chesapeake Channel between bouys 9 and 10. What is the course per standard magnetic compass (psc) ? 15615: At 2000, your position is LAT 37ø04.1' N, LONG 76ø05.6' W. You change course for the Eastern Shore. At 2037, Old Plantation Flats Light bears 033ø pgc, and York Spit Light bears 282ø pgc. The course made good from your 2000 position is __________. 15616: At 2037, you change course to make good a course of 016ø T. There is no current, but a westerly wind is causing 3ø leeway. What course per standard magnetic compass (psc) should you steer to make good the course 016ø T? 15617: Your height of eye is 25 feet (7.6 meters). If the visibility is 5.5 nautical miles, what is the luminous range of Wolf Trap Light? 15618: If you want a more detailed chart of the area at your 2115 DR position, which chart should you use? 15619: At 2123, your position is LAT 37ø20.0' N, LONG 76ø03.0' W. What is your distance offshore of Savage Neck? 15620: From your 2123 position, you are approximately 42 miles from Crisfield, MD. If you are making good a speed of 13 knots, at what time should you arrive at Crisfield, MD? 15621: What is the length of the trip? 15622: What are the dimensions of the Old River Lock on the lower Old River (304 AHP)? 15623: At 2126, you pass Morganza Bend Light (mile 278.4 AHP). At 0122, 4 January, you pass Red River Landing Gage (302.4 AHP). You have been turning for 7.5 mph. What is the current? 15624: The gage at Red River Landing reads 22.2 feet. How many feet is this above the low water reference plane? 15625: The river will be temporarily closed to navigation at mile 531.3 AHP due to repairs to the bridge. This will occur at 1300, 5 January, and last for six hours. What minimum speed over the ground must you make from Red River Landing Gage in order not to be delayed? 15626: What type of daymark will you see as you approach Joe Pierce Light (mile 334.4 AHP)? 15627: What is the vertical clearance of the Natchez Highway Bridge (westbound) when the river level is the same as the Low Water Reference Plane? 15628: The Natchez gage reads 20.6 feet. The high point on your towboat is 47 feet above the water. What is the vertical clearance as you pass under the Natchez Highway Bridge? 15629: In order to determine what buoys, if any, are in place at Concordia Bar crossing (mile 596.0 AHP), what should you check? 15630: The area between Island 67 Upper Light (mile 623.1 AHP) and Sunflower Cut-off Foot Light (mile 624.8 AHP) is known as a _____________. 15638: At 2009 you are leaving New London Harbor with buoy "2" close abeam to port. What is the true course to the Race that will leave Race Rock Light 0.5 mile abeam to port? 15639: At 2016 you sight N. Dumpling Light in line with Latimer Reef Light (Fl 6 sec, 55 ft) bearing 079ø pgc. At the time of the bearing the helmsman reported he was steering 164ø pgc and 172ø per standard magnetic compass. What is the deviation for that heading? 15640: At which point in the voyage is your vessel bound by the International Rules of the Roads (COLREGS)? 15641: You will pass through the Race at approximately the time of maximum ebb current. As you approach the Race from New London, you should expect to be set _____________. 15642: At 2030 you take the following radar ranges: Race Rock Light 2.1 miles Latimer Reef Light 6.4 miles If you estimate an average current of 080ø T at 1.5 knots, which course will you steer per gyrocompass to leave Endeavor Shoals Gong Buoy bearing 270ø T at 1.5 miles? 15643: The light on Block Island Sound South Entrance Obstruction Buoy "BIS" is reported extinguished. Which of the following will serve as a positive warning that you are being set onto the obstruction? 15644: At 2045 visibility decreases in fog, and at 2103 you take a round of RDF gyro bearings: Montauk Point 174.5ø Little Gull Island 290.0ø Point Judith 059.5ø At the time of the bearings the helmsman reported that he was heading 121ø pgc. Using the RDF CALIBRATION TABLE determine your 2103 fix. 15645: You round Montauk Point and steer to make good 206ø T. Speed is increased to 13.0 knots. The current, if any, is unknown. The visibility has improved and is estimated to be 5 miles. At 2144 Montauk Point Light bears 273ø T. At 2202 the same light bears 320ø T. Which statement concerning your 2202 running fix is TRUE? 15646: At 2229 the gyro fails. What is the course to steer per standard magnetic compass to make good 206ø T, if you allow 3ø leeway for southeasterly winds? 15656: At 0630, Buoy "PI" is close abeam on the starboard side. You are steering 078ø T and are headed directly toward Race Rock Light. At 0654, Little Gull Island Light is bearing 210ø pgc and Race Rock Light is bearing 075ø pgc. What is your 0654 position? 15657: What was the course made good from 0630 to 0654? 15658: What course should you steer by the standard magnetic compass in order to maintain a heading of 081ø pgc? 15659: At 0705, you change course to 096ø T. At this time, Race Rock Light is bearing 000ø T at 0.35 mile. You are now governed by which Navigation Rules? 15660: At 0728, Race Rock Light is bearing 282ø T at 3.8 miles, and the closest point on Fishers Island has a radar range of 2.1 miles. What speed have you been making since you changed course at 0705? 15661: At 0727, the cupola on Fishers Island is in line with Latimer Reef Light bearing 024ø pgc. Based on this, the gyro error is ____________. 15662: At 0748, you take the following Loran-C readings: 9960-W-14651.0 9960-X-26034.8 9960-Y-43943.8 What is the approximate depth of water under the keel at this position? 15663: At 0748, you change course to 160ø T. Which loran reading will insure you clear Great Eastern Rock? 15664: At 0815, Montauk Pt. Light House is bearing 172ø T, Shagwong Pt. has a radar range of 4.5 miles. If the engine was making turns for 10 knots, what was the current since 15665: Which action should you take to compensate for the above current? 15666: At 0815, visibility is excellent and you can see Montauk Point. Montauk Point Light is ________________. 15667: At 0815, you change course to 079ø T. To compensate for a southerly wind, you estimate a 3ø leeway is necessary. Which course should you steer per standard magnetic compass to make good 079ø T? 15668: At 0839, Montauk Pt. Light is bearing 205ø T at a radar distance of 6.6 miles. What is your speed made good from your 0815 position? 15669: The area between Block Island and Montauk Point that is bounded by dashed magenta lines is a __________. 15670: Which chart should you use to enter Great Salt Pond? 15706: At 0700, Stratford Shoal Middle Ground Light bears 137ø pgc. From your radar, you get a bearing of 007² pgc to the south tip of Stratford Point with a range of 4.5 miles. What is your 0700 position? 15707: At 0725, you are heading 054ø T, and Stratford Point Light is abeam to port at 3.1 miles. The current is 135ø T at 1.8 knots. If you make turns for an engine speed of 8 knots, which course must you steer to make good 048ø T. 15708: Which structure should you look for while trying to locate Southwest Ledge Light? 15709: At 0830, you obtained the following Loran-C readings: 9960-X-26562.5 9960-Y-44028.1 What is your vessel's position? 15710: From your 0830 position, you wish to make good 097ø T. There is no current, but a southerly wind is producing 3ø leeway. What course should you steer per standard magnetic compass in order to make good your true course? 15712: At 0910, your DR position is LAT 41ø11.9' N, LONG 72ø47.8' W. Your vessel is on course 097ø T at 9.5 knots, and the weather is foggy. At 0915, Branford Reef Light is sighted through a break in the fog bearing 318ø T. At 0945, Falkner Island Light is sighted bearing 042ø T. What is your 0945 running fix position? 15713: What do the dotted lines around Goose Island and Kimberly Reef represent? 15714: At 1100, your position is LAT 41ø11.3' N, LONG 72ø28.0' W. You are steering a course of 069ø T to leave Black Point one mile off your port beam. It has been reported that the Long Sand Shoal Buoys and Hatchett Reef Buoys are off station. Which of the following will serve as a line marking the hazards and keep your vessel in safe water? 15715: Little Gull Island Light is _____________. 15716: At 1210, you are in position LAT 41ø14.3' N, LONG 72ø16.5' W. What is the depth of water below your keel? 15717: From your 1210 position, you are steering a course of 083ø T. Your engines are turning RPMs for 10 knots. The set and drift of the current are 310ø at 1.7 knots. At what time should you expect to enter the red sector of New London Harbor Light? 15718: Your vessel is entering New London Harbor Channel. If there is no current, what should you steer per gyro compass to stay on the range? 15719: On chart 12354, the datum from which heights of objects are taken is _____________. 15720: The red sector of New London Harbor Light covers from _____. 15721: You are turning for 7.8 mph and estimate the current at 1.0 mph. What is your speed over the ground? 15722: What is your ETA at the Memphis - Arkansas Highway Bridge? 15723: What daymark should you see as you approach Parker Landing Light (mile 924.6 AHP)? 15724: You pass Morrison Towhead Light (mile 890.5 AHP) at 1723. What was your average speed since leaving Cairo? 15725: At 1723 you increase speed to make good 9.2 mph. At 1937 you have a daymark on your port beam. What daymark is this? 15726: The charts show a circle with two red quadrants located at mile 846.0 AHP. What does this indicate? 15727: The Helena gage reads 9.4 feet. The high point on your towboat is 46 feet above water. What is the vertical clearance when you pass under the Helena Highway Bridge? 15728: What company does NOT have a marine facility along the river bank in Helena (mile 658 to 665 AHP)? 15729: If the Rosedale gage reads -0.5 feet, what is the water level in relation to the low water reference plane? 15730: Which of the following describes the DeSoto Terminal Co. facility at mile 570.6 AHP? 15738: At 1830 you obtained the following Loran-C readings: 9960-W-14820.0 9960-X-26097.0 9960-Y-43713.5 What is your vessel's position? 15739: Your 1900 position is LAT 40ø45.5' N, LONG 72ø03.0' W. Your course is 046ø T, and your engines are turning RPM's for 9 knots. At your 1939 DR position, what is the expected relative bearing of Montauk Point Light on the port bow? 15740: At 2000 Montauk Point Light bears 010ø T. At 2030 the loran reads 9960-Y-43785.7. Assuming that you are making good your course of 046ø T and a speed of 9 knots, what is your 2030 running fix position? 15741: At 2050 you obtain the following Loran-C readings: 9960-X-25945 9960-Y-43802 9960-W-14662 From this position, you change course in order to pass 1 mile due east of Montauk Point Lighted Whistle Buoy "MP". If there are no set and drift, what course must you steer? 15742: At 2100 your position is LAT 40ø58.5' N, LONG 71ø46.0' W. You are proceeding north. At 2131 Montauk Point Light has a radar range of 5.1 miles and bears 284ø T. Block Island Southeast Light has a radar range of 10.8 miles. What was the course made good from your 2100 position? 15743: At 2155 Montauk Point Light bears 249ø T, Watch Hill Point Light bears 335ø T, and Block Island North Light bears 045ø T. At this time, you wish to change course to 288ø T. The current has a set of 355ø T and a drift of 2.0 knots. If your vessel is turning RPM's for 9 knots, what course must you steer in order to make your desired course good? 15744: Montauk Point Light has a radar range of 4.0 miles and bears 173ø T at 2232. What is the depth of water below your keel? 15745: Your 2239 position is LAT 41ø08.5' N, LONG 71ø53.3' W. You change course to 315ø T, and you maintain RPM's for 9 knots. At 2329 Little Gull Island Light bears 253ø T, Race Rock Light bears 309ø T, and Watch Hill Point Light bears 058ø T. What were the set and drift of the current you experienced from your 2239 position? 15746: Which nautical chart would you use to navigate into New London, CT? 15756: You are steering 087ø pgc and turning for 6.8 knots. At 0600, you take the following loran readings: 9960-W-14784.4 9960-X-26208.3 9960-Y-43959.1 What is your 0600 position? 15757: If you change course at 0610, what is the course to steer per gyro compass to a point where Little Gull Island Light bears 180ø T at 0.7 mile (Point "A")? 15758: What is your ETA at point "A"? 15759: You calculate that the current will be flooding at the Race at 0700. You should expect to be set in which general direction at the Race? 15760: As you near Little Gull Island, you use your loran to insure that you do not come within 0.5 mile of the island. Which loran reading will act as a danger line and keep you off Little Gull Island by a minimum of 0.5 mile? 15761: From point "A", you lay out an intended track line to a point where Block Island North Light bears 180ø T at 2.9 miles (Point "B"). What is the length of this leg of the voyage? 15762: What is the course per standard magnetic compass between points "A" and "B"? 15763: At 0715, you take the following bearings: Race Rock Light 324ø pgc Little Gull Island Light 245ø pgc Mt. Prospect Antenna 034ø pgc Based on your 0715 fix, which statement is TRUE? 15764: From your 0715 position, you set a course of 085ø T. At 0745, you take the following bearings: Race Rock Light 274ø pgc Watch Hill Point Light 045ø pgc Fisher's Island East Harbor Cupola 006ø pgc What was the current encountered between 0715 and 0745? 15765: The wind is northerly, and you estimate 3ø leeway. Allowing for leeway what is the course to steer per gyro compass from your 0745 position to pass 1 mile south of Watch Hill Buoy "WH"? 15766: From your 0745 fix, you change course to pass 1.0 mile south of buoy "WH" and estimate your speed at 7 knots. If the visibility clears, what is the earliest time you can expect to see Block Island North Light tower? 15767: Which statement describes the shore between Watch Hill Point and Point Judith? 15768: At 0830, Watch Hill Point bears 343ø T at 3.5 miles by radar. What was the speed made good since 0745? 15769: At 0900, you take the following radar ranges: Watch Hill Point 5.4 miles Block Island Grace Point 8.3 miles Which statement about this fix is TRUE? 15770: At 0930, your position is LAT 41ø16.5' N, LONG 71ø41.4' W. Allowing 3ø leeway for northerly winds and estimating the current as 035ø at 0.3 knot. What is the course to steer per gyro compass to point "B"? 15799: At 0845, you are on a course of 097ø T, and Townshend Ledge Buoy "10A" is close abeam to port. With a westerly current of 1.2 knots, what speed will you have to turn for from your 0845 position in order to arrive abeam of Six Mile Reef Buoy "8C" at 1030? 15806: What type of bottom is found at Long Sand Shoal? 15807: You are southeast of Saybrook Breakwater Light passing Saybrook Bar Lighted Bell Buoy "8". This buoy marks ________. 15808: At 0005, on 26 January, your position is LAT 41ø11.8' N, LONG 72ø20.5' W. From this position, you plot a course to steer to Mattituck Breakwater Light "MI" with an engine speed of 9.0 knots. If there are no set and drift, what course should you steer? 15809: At 0045, you obtain the following information: Radar range to Inlet Point is 1.4 miles; Radar range to Rocky Point is 2.8 miles. Radar range to Horton Point is 2.8 miles. What were the set and drift between 0005 and 0045? 15810: You alter course from your 0045 position to head for Mattituck Breakwater Light "MI". If the visibility is 10 miles and you make good 9 knots, at what time will you lose sight of Saybrook Breakwater Light? 15811: At 0100, you obtain the following radar ranges: Inlet Point - 2.7 miles, Rocky Point - 4.5 miles, Horton Point - 1.0 mile. What was the speed made good between 0045 and 0100? 15813: According to the DR track line from your 0100 position, how far off Roanoke Point Shoal Buoy "5" should you be when the buoy is abeam? 15814: At 0130, you obtain the following radar ranges: Horton Point Light - 4.3 miles; Mattituck Breakwater Light - 3.45 miles; Duck Pond Point - 2.0 miles. What were the course and speed made good between 0100 and 15815: From your 0130 position, you change course to adjust for set and drift, and you later obtain the following loran lines of position: 9960-W-14975 9960-X-26412 9960-Y-43919 What is the latitude and longitude of the loran fix? 15816: At 0209, your position is LAT 41ø01.8' N, LONG 72ø40.8' W. What course should you steer per standard magnetic compass to make good 278ø magnetic? (assume no set and drift) 15817: The south coast of Long Island Sound between Mattituck Inlet and Port Jefferson is ____________. 15818: At 0300, your position is LAT 41ø01.7' N, LONG 72ø55.1' W. From this position you steer a course of 289ø per standard magnetic compass at an engine speed of 10.0 knots. At what time can you first expect to see Stratford Shoal Middle Ground Light if the luminous range is 8.0 miles? 15819: You must arrive at your final destination by 0800. The distance from your 0300 position to the final destination is 40.5 miles. What minimum speed must be made good to arrive on time? 15820: You are northwest of Port Jefferson Harbor steering 242ø per standard magnetic compass. As you continue westward, you see that the Port Jefferson Range Front Light and Rear Light come into line. If the deviation table is correct, the bearing of the range should be ____________. 15821: What is the distance from the Amoco Docks at Baton Rouge, LA, to the mouth of the Ohio River? 15822: You are turning for 10 mph, approaching Angola, LA. Angola reports that the current at Red River Landing is estimated at 4.5 MPH. Which of the following statements is TRUE? 15823: As you approach Shreves cut-off you see Red River Landing Gage (302.4 AHP) which reads 6.2 feet. Which of the following statements is TRUE? 15824: You pass Red River Gage at 2015 on 16 April and estimate the current will average 3.5 mph for the remainder of the time on the Mississippi River. What is your ETA at the mouth of the Ohio River if you continue to turn for 10 mph? 15825: What is the vertical clearance between the highest point of your towboat, if it is 58 feet above the water, and if the Natchez Gage reads 28.13 feet when passing under the Natchez Upper Highway Bridge? 15826: In high water conditions, which publication would you consult for the latest information on buoys between Baton Rouge and Cairo? 15827: As you approach Giles Bend Cutoff Light (mile 367.7 LDB), what type of daymark would you see on the light structure? 15828: At 0305 on 18 April, you pass under the Greenville Bridge (mile 531.3 AHP). What was your average speed since departing Amoco Pipeline Co. Docks (253.6 AHP)? 15829: A stretch where the channel changes from one side of the river to the other is called a _____________. 15830: After you enter the Ohio River at Cairo, which span of the Illinois Central RR Bridge would you select to pass under? 15838: At 2000 Loran readings give you the following information: 9960-X-27106 9960-Y-41639 9960-Z-58746 Your position is _____________. 15839: From your 2000 position you change course to 206ø T. What time would you expect to be abeam of Hog Island Buoy "12"? 15840: You should expect to pass how far off buoy "12"? 15841: At 2030 you take the following bearings: Sand Shoal Inlet South Light - 275ø T Cape Charles Light - 235ø T You also obtained a Loran-C reading of 9960-Z-58702. The set and drift from 2000 to 2030 are _____________. 15842: From your 2030 fix you change course to 195ø T, and leave the engine speed at 14 knots. At 2045, Sand Shoal Inlet Buoy "A" bears 318ø true, and you obtain the following Loran-C readings: 9960-X-27114 9960-Y-41516 Which statement is TRUE? 15843: You continue to steer 195ø T. You pass Cape Charles Lighted Bell Buoy "14", 0.9 miles abeam to starboard at 2111. Your speed made good from 2045 to 2111 is _____________. 15844: Your course made good from 2045 to 2111 is _____________. 15845: If you are going to head directly for Chesapeake Light from your 2111 fix, what is the course to make good? 15846: At 2200, you alter course to 204ø T, at 14 knots. You expect a current on this leg of the trip, setting 325ø at 1.5 knots. Which course should you steer per gyro compass to make good the true course? 15856: What type of bottom is found at Long Sand Shoal? 15857: You are southeast of Saybrook Breakwater Light passing a horizontally-banded buoy. This buoy marks ____________. 15858: At 0005, on 26 January, your position is LAT 41ø11.8' N, LONG 72ø20.5' W. From this position, you plot a course to a position one mile North of Mattituck Breakwater Light "MI". If there are no set and drift, what course should you steer per gyro compass? 15859: You are turning for 9 knots on course 230ø T. At 0023, Horton Point Light bears 208ø pgc. At 0053, Horton Point Light bears 126ø pgc. What is the position of your 0053 running fix? 15860: At 0100, your position is LAT 41ø05.3 N, LONG 72ø29.2 W. You head for the position one mile north of Mattituck Inlet Light and turn to make good 9.0 knots. If the visibility is about 2 miles, at what approximate time will you sight the light? 15861: At 0125, Mattituck Inlet Light bears 203ø pgc at 2.1 miles. What is the approximate depth of the water under the keel? 15862: At 0125, you change course to make good 280ø T. What is the course per standard magnetic compass? 15863: If the current is 050ø at 0.9 knot, and a northerly wind causes 3ø of leeway. What is the course to steer per gyro compass to make good 280ø T if you are turning for 9 knots? 15864: At 0200, you take the following loran readings: 9960 - W - 14966.0 9960 - X - 26410.5 9960 - Y - 43933.9 What is the position of your 0200 fix? 15865: From your 0200 position, you change course to 272ø pgc. How far north of Stratford Shoal Middle Ground Light does this track pass? 15866: What is your ETA at a point where Stratford Shoal Middle Ground Light bears 180ø T if you make good 9.0 knots? 15867: You anticipate a maximum flood current north of Stratford Shoal. You will be set in which general direction? 15868: Stratford Shoal Middle Ground Light is ______________. 15869: After you raise Statford Shoal Middle Ground Light, how will the bearings change if you pass to the north of the light? 15870: What is the approximate distance from a point three miles south of Stratford Point to Perth Amboy, NJ? 15906: As you enter the New Haven Outer Channel, you sight the range markers in line directly over the stern. Your heading at the time is 155.5ø per gyrocompass. What is the gyro error? 15907: At 0720, you are in the outer channel between buoy "1" and buoy "2" and change course to pass Townshend Ledge Lighted Gong Buoy "10A" abeam to port at 200 yards. What is your ETA off the buoy? 15908: At 0740, you plot a loran fix from the following readings: 9960-X-26542.0 9960-Y-44023.0 9960-W-15027.0 What is your position? 15909: From your 0740 position, you change course to pass 1.1 miles north of Falkner Island Light. What loran reading will ensure that you will remain clear of the 18' shoal located 1 mile NW of Falkner Island Light? 15910: At 0802, Branford Reef Light bears 348ø T at 0.75 mile, and the north point of Falkner Island bears 088ø T at 6.7 miles. What were the set and drift since 0740? 15911: What publication contains information on the navigational hazards in the vicinity of Falkner Island? 15912: If there is no current, what is the course per standard magnetic compass from your 0802 fix to the position 1.1 miles north of Falkner Island Light? 15913: At 0830, you wish to get the latest weather forecasts for the Falkner Island area. On what frequency would you set your FM radio for this information? 15914: At 0844, the range to the north end of Falkner Island is 2.0 miles and the left tangent bearing is 102ø T. What is the approximate charted depth of the water? 15915: At 0925, you plot the following loran fix: 9960-W-14931.5 9960-X-26418.2 9960-Y-44006.5 If you correct for a current setting 215ø T at 0.5 knot, what course will you steer from the 0925 position to arrive at a position 0.5 mile south of Long Sand Shoal West End Horn Buoy "W"? 15916: If you correct for the current in question 15 (215ø T at 0.5 knot) and maintain an engine speed of 7.5 knots, what is your ETA 0.5 mile south of buoy "W"? 15917: At what approximate distance would you expect Bartlett Reef Light to break the horizon, if the visibility is 27 nautical miles? 15918: At 1038, you are 0.4 mile south of Long Sand Shoal Buoy "8A" on course 090ø T when visibility is reduced to 1 mile in rain and haze. You intend to stay on 090ø T until your Loran shows a reading that you can safely follow to the approaches of New London. Which of the following Loran readings will you look for? 15919: At 1200, your position is 2.0 miles southwest of Bartlett Reef Light. Your heading is 075ø T. Visibility is less than 0.2 mile in fog and rain. Which of the following signals is most likely to be from another vessel? 15920: What chart should you use after you enter New London Harbor? 15921: You have orders to drop off the empties at the fleeting area in Cairo and add five loaded barges to your tow. If you are turning for 8 mph and estimate the current at 0.5 mph, what is your ETA at Cairo? 15922: You complete changing out your tow and get underway enroute Memphis to deliver 2 tank barges. What is the distance you must travel from Cairo Point Light to the Lion Oil Refining Co. Docks in Memphis? 15923: As you approach Kate Aubrey Bar Light (mile 788 AHP), your searchlight will show what type of marking at the light? 15924: The highest point on your towboat is 57 feet above the water, and the Memphis Gage reads +1.3 feet. What is the vertical clearance when you pass under the B-span of the Hernando Desoto Bridge in Memphis? 15925: At 0230 on 13 August, you are at mile 610.5 AHP when you see about a mile ahead two separate white lights on the water near the left bank. There is a red light on the bank in the same vicinity. What can you expect to see when you come abreast of these lights? 15926: What is the milepoint of the Rosedale Gage? 15927: Which of the following statements concerning the buoys on the Mississippi River is TRUE? 15928: At 1430 on 13 August, you pass Carolina Landing Light (508.8 AHP). What has been the average current since 0230, 13 August if you have been making turns for 8.0 mph? 15929: You are approaching the Old River Control Structure (mile 314.5 AHP). The structure is in operation. Which of the following statements is TRUE? 15930: The latest available information on the channel conditions above Baton Rouge that includes recommended course and the latest buoy information is found in the ___________. 15938: At 1910 you obtain the following bearings: Bartlett Reef Light 268ø T Race Rock Light 147ø T Little Gull Island Light 198ø T Which of the following is your position at 1910? 15939: From your 1910 position, you set a course of 162ø T at a speed of 14 knots. What will serve as a definite warning that you are being set towards Race Rock Light? 15940: At 1934 Little Gull Island Light bears 277ø T and Race Rock Light bears 000ø T. Which were the set and drift between 1910 and 1934? 15941: From your 1934 position, you change course to pass 2.0 miles due north of Block Island Sound South Entrance Obstruction Lighted "BIS" Buoy. If you adjust your course only (while maintaining an engine speed of 14 knots) for a set and drift of 230ø T at 3.5 knots, what is your ETA and distance off when abeam of Shagwong Reef Lighted Bell Buoy "7SR"? 15942: At 1959 Watch Hill Point Light bears 030ø T, Montauk Point Light bears 146ø T, and Little Gull Light bears 283ø T. What is the approximate fathometer reading? 15943: At 2038 Block Island North Light bears 065ø T, Montauk Point Light bears 216ø T, and a reading of 25959 is obtained on loran rate 9960-X. Which statement is TRUE? 15944: From your 2038 position you change course to 104ø T and increase engine speed to 18 knots. If you make good this course and speed, at what time will Southwest Ledge Lighted Bell Buoy "2" bear 157ø T? 15945: At 2107 Southeast Point Light bears 062ø T, and at 2112 this light bears 038ø T. What is your distance off Southeast Point Light at 2112? (assume no set and drift) 15946: At 2132 you sight Block Island Southest Point Light in line with the Aerobeacon (rotating white and green) bearing 308.5ø pgc. The helmsman reports he was heading 106ø pgc and 119ø psc. What is the deviation on that heading? 15956: The National Weather Service provides 24-hour weather broadcasts to vessels transiting the Chesapeake Bay Bridge Tunnel. The broadcasts may be found on _________________. 15957: At 1752, your position is LAT 37ø04.3' N, LONG 76ø06.4' W. On an ebb current you should expect to be set to the ______. 15958: Your 1752 position is _____________. 15959: What is the average velocity of the maximum ebb current in the channel west of Middle Ground? 15960: From your 1752 position, you steer 313ø pgc at 9 knots. At 1805, you obtain the following visual bearings: Old Pt. Comfort Light - 238ø pgc. Chesapeake Bay Tunnel North Light - 136ø pgc. What are the latitude and longitude of your 1805 position? 15961: At 1810, a red buoy bears 010ø relative. This buoy marks _____________. 15962: Based on dead reckoning, at approximately 1817 you would expect to __________. 15963: At 1845, you obtain a loran fix using the following information: 9960-X-27251.0 9960-Y-41432.0 9960-Z-58537.9 Your latitude is _____________. 15964: Your 1900 position is LAT 37ø12.9' N, LONG 76ø13.5' W. You change course to 323ø pgc. What is the course per standard magnetic compass? 15965: If the visibility is 5 miles, what is the luminous range of New Point Comfort Spit Light "4"? 15966: The yellow buoys on either side of your vessel that lead to Mobjack Bay mark _____________. 15967: At 1925, you take a fix using the following radar ranges: York Spit Light - 3.4 miles away; New Point Comfort Spit Light "2" - 2.1 miles away; York Spit Swash Channel Light "3" - 2.7 miles away. Your longitude is _____________. 15968: What was the speed made good from 1900 to 1925? 15969: What is the height above water of New Point Comfort Spit Light "2"? 15970: If you have 16.3 miles to reach your destination from your 2000 position and want to be there at 2230, what speed should you make good? 16006: You are on course 082ø T, and the engines are turning for 8 knots. At 0352, you take the following bearings: Stratford Point Light 016ø pgc Stratford Shoal (Middle Ground) Light 137ø pgc What is your 0352 position? 16007: If the visibility is 11 miles, what is the earliest time you can expect to see New Haven Light? 16008: While on a heading of 082ø T, you sight Middle Ground Light in line with Old Field Point Light bearing 206ø per standard magnetic compass. From this you can determine the ________. 16009: The maximum ebb current at a location 4.3 miles south of Stratford Point will occur at 0413. The predicted current will be 1.0 knot at 075ø. What will be your course made good if you steer 082ø T at 8 knots? 16010: The characteristic of Branford Reef Light is _____________. 16011: At 0415, you take the following bearings: Stratford Point Light 329.5ø pgc Middle Ground Light 223.5ø pgc Old Field Point Light 199.5ø pgc Which statement is TRUE? 16012: If you change course at 0420, what is the course to make good to leave Twenty Eight Foot Shoal Lighted Buoy abeam to port at 1 mile? 16013: At 0430, you take the following loran readings: 9960-X-26605.5 9960-Y-43985.0 What is your 0430 position? 16014: From your 0430 position, what is the course per standard magnetic compass to a position where Twenty-eight foot Shoal lighted buoy "TE" is abeam to port at 1 mile? 16015: By 0430, the wind has increased, and the visibility cleared due to passage of a front. You estimate 3ø leeway due to NW'ly winds. What is the course per gyrocompass to pass 1.2 miles due south of Twenty-eight Foot Shoal Lighted Buoy "TE"? 16016: At 0430, you change course and speed to make good 090ø T at 10 knots. At 0433, you slow due to an engineering casualty and estimate you are making good 5.5 knots. At what time will Branford Reef Light bear 000ø T? 16017: What is the approximate distance to New Bedford, MA, from your 0530 DR position, if your 0352 position was 7 miles from Bridgeport, CT? 16018: At 0550, engineering repairs are complete and speed is increased to 9.6 knots. At 0630, Falkner Island Light bears 023ø pgc and Horton Point Light bears 097ø pgc. From your 0630 fix you steer to make good a course of 086ø T while turning for 9.6 knots. At 0700, Falkner Island Light bears 336.0ø pgc and Horton Point Light bears 105.5ø pgc. The radar range to the south tip of Falkner Island is 5.7 miles. Which statement is TRUE? 16019: The south shore of Long Island Sound from Horton Point to Orient Point is ____________. 16020: If visibility permits, Orient Point Light will break the horizon at a range of about _______________. 16038: At 0820 Old Field Point Light bears 206ø per gyrocompass, and Stratford Shoals Middle Ground Light bears 322ø per gyrocompass. The radar range to Middle Ground Light is 1.5 miles. Your 0820 fix gives you a position of _____________. 16039: From your 0820 position you change course to your rendezvous position, one mile due south of buoy "NH", speed 14.5 knots. You estimate the current to be 260ø T at 0.5 knot. The wind is northwesterly at 20 knots and you estimate 2ø leeway. What is your course per gyrocompass (pgc) to the rendezvous position, if you correct your heading for current and leeway? 16040: At 0847 you take a round of bearings as follows: Middle Ground Shoal Light - 237ø per gyrocompass Stratford Point Light - 289ø per gyrocompass New Haven Light - 019ø per gyrocompass What were the set and drift since your 0820 position? 16041: From your 0847 fix, you change course to arrive at the rendezvous position and, correcting for current, you estimate your speed over the ground at 15 knots. What is your ETA at the rendezvous? 16042: At 1022 when you complete the evacuation, you get underway on course 098ø T and order turns for 14.5 knots. You take the following round of bearings at that time: Stratford Point Light - 260ø per gyrocompass New Haven Light - 326ø per gyrocompass SW Ledge Light - 358ø per gyrocompass Determine your ETA and distance off when abeam of Falkner Island Light, if there are no set and drift? 16043: As you cross the New Haven Outer Channel range, you observe the range in line bearing 335.5ø per gyrocompass. The helmsman reports that he was heading 100ø per gyrocompass, and that the standard magnetic compass read 109ø at the time of the observation. What are the gyro error and deviation of the standard magnetic compass on this heading? 16044: At 1038 Branford Reef Light bears 019ø pgc, Falkner Island Light bears 075ø pgc, and the radar range to Branford Reef Light is 3.0 miles. Which statement is TRUE of your 1038 position? 16045: The north shore of Long Island, from Horton Point to Orient Point, is _______. 16046: The visibility is excellent. When Race Rock Light Tower breaks the horizon, how far will you be from the Tower? 16056: At 1730, your position is LAT 37ø13.9' N, LONG 76ø26.4' W. What is your distance off Tue Marshes Light? 16057: What is the maximum allowable speed of vessels underway up river from Tue Marshes Light? 16058: At 1750, your position is LAT 37ø14.5' N, LONG 76ø22.9' W. What was the speed made good between 1730 and 1750? 16059: At 1800, Tue Marshes Light bears 270ø pgc, and York Spit Swash Channel Light "3" bears 007ø pgc. Your position is _______. 16060: The short-long dashed, magenta lines parallel to York River Entrance Channel mark ____________. 16061: You have just passed York River Entrance Channel Lighted Buoys "13" and "14". The chart shows a light approximately 1.0 mile off your port beam with a light characteristic "Fl 6 sec". What is the name of this light? 16062: At 1930, your vessel is between York River Entrance Channel Lighted Buoys "1YR" and "2". From this position, you change course to 142ø pgc at an engine speed of 8.0 knots. At 2001, you take the following bearings. What were the set and drift been between 1930 and 2001? Chesapeake Channel Tunnel North Light - 131ø pgc Thimble Shoal Light - 247ø pgc 16063: At 2013, you sight Thimble Shoal Light in line with Old Point Comfort Light bearing 258ø pgc. At the time of the bearing, the vessel was headed 142ø pgc and 151ø psc. Based on this, you ________________. 16064: At 2015, your vessel is at the Chesapeake Bay Bridge and Tunnel midway between buoys "13" and "14". If the height of tide is -1 foot (-.3 meter). What is the approximate depth under the keel? 16065: If you steer 143ø pgc at an engine speed of 8.0 knots from your 2015 position, at what time would you reach a point midway between buoys "11" and "12" (ignore set and drift)? 16066: Which statement concerning Thimble Shoal Channel is TRUE? 16067: At 2118, you obtain the following information: Cape Henry Light 151ø pgc; Cape Charles Light 033ø pgc; Thimble Shoal Light 291ø pgc What is your 2118 position? 16068: From your 2118 position, you proceed to Norfolk, VA, a distance of approximately 26.0 miles. To arrive at Norfolk by 0200 the next day, what is the minimum speed to make good from your 2118 position to arrive at this time? 16069: From your 2118 position, you steer a course of 288ø T at an engine speed of 7.0 knots. Visibility is 2 miles. Height of eye is 12 feet (3.7 meters). At what time can you expect to see Old Point Comfort Light? 16070: When exiting Thimble Shoal Channel bound for Norfolk, the track line based on the lights of the Norfolk Entrance Reach Range is ________________. 16106: At 0410, you take the following bearings: New Point Comfort Light "2" 242ø T Wolf Trap Light 313ø T Horn Harbor Entrance Light "HH" 262ø T What is your 0410 position? 16107: If the visibility is 5 miles and you are in the red sector, at what distance off should you sight Cape Henry Light? 16108: From your 0410 fix, what is the course per standard magnetic compass to the entrance to York Spit Channel between buoys "37" and "38"? 16109: You are turning for 9 knots, a westerly wind is causing 3ø of leeway, and the current is 320² T at 1.2 knots. What true course should you steer to remain in the northern leg of York Spit Channel? 16110: If you are making 8.3 knots over the ground, what is your ETA at the first turning point in York Spit Channel between buoys "29" and "30"? 16111: Wich publication contains the specific information about navigating in York Spit Channel? 16112: At 0530, the Coast Guard announces that Chesapeake Channel is closed indefinitely due to a collision occurring in the channel between Trestle "B" and "C" of the Chesapeake Bay Bridge and Tunnel. You exit York Spit Channel, leaving buoy "20" abeam to port at 0.1 mile, and alter course to leave Horseshoe Crossing Lighted Bell Buoy abeam to port at 0.2 mile. What is the course per gyrocompass? 16113: After you enter Thimble Shoal Channel, you will alter course to pass between Trestle "A" and "B". Which channel should you use? 16114: As you pass through the Chesapeake Bay Bridge and Tunnel, you sight Trestle "A" in line bearing 198ø pgc. What is the gyro error? 16115: You sighted Trestle "A" in line at 0707 and are steering 108ø T. At 0731, Cape Henry Light bears 136ø T; Cape Charles Light bears 032.5ø T; and Thimble Shoal Tunnel South Light bears 282ø T. What was the speed made good between 0707 and 0731? 16116: At 0731, approximately how much water is under your keel? 16117: What is the distance from your 0731 fix to Wilmington, N.C. (LAT 34ø14.0' N, LONG 77ø57.0' W)? 16118: You will enter waters governed by the International Rules when _____________. 16119: At 0812, you take the following loran readings: 9960-X-27155.2 9960-Y-41267.9 9960-Z-58537.8 What is your 0812 position? 16120: At 0812, you are on course 132ø T. The standard magnetic compass reads 135ø. What should you conclude? 16138: At 1930 Race Rock Light bears 111ø T, Little Gull Island Light bears 172ø T, and a reading of 26157 is obtained on Loran Rate 9960-X. Which of the following is your position at 1930? 16139: From your 1930 position, you set a course of 150ø T. Your engine speed is 13 knots. What will be your distance off Valiant Rock Bell Buoy "1A" when abeam, if you make good your true course of 150ø? 16140: Available information indicates that there is a set and drift in this area of 290ø T at 2 knots. Allowing for this set and drift, what course must you steer to make good a true course of 150ø, while maintaining an engine speed of 13 knots, from your 1930 position? 16141: The speed you can expect to make good over your course while steering to make 150ø T is _____________. 16142: At 1949 Little Gull Island Light bears 270ø T and is 1.7 miles off. From this position, you change course to 118ø T and increase engine speed to 18 knots. If you make good your course and speed, at what time should Shagwong Reef Lighted Bell Buoy "7SR" bear 180ø T? 16144: From your 2027 position you change course to 106ø T, while maintaining an engine speed of 18 knots. Your ETA at a position where Block Island Sound South Entrance Obstruction Lighted Buoy "BIS" is abeam is _____________. 16145: At 2054 Block Island Southeast Point Light bears 054ø T, Southwest Ledge Lighted Bell Buoy 2 is 1.6 miles off to port, and a reading of 14595 is obtained on loran rate 9960-W. The set and drift from 2027 to 2054 is ___________. 16146: From your 2054 position, you change course to 066ø T. Maintaining course and speed of 18 knots, at what time can you expect to first cross the 90-foot curve if you experience no set and drift? 16156: At 0410, you take the following bearings: New Point Comfort Light "2" 244ø pgc Wolf Trap Light 315ø pgc What is your 0410 position? 16157: If the visibility is 10 miles and you are in the red sector, at what distance off should you sight Cape Henry Light? 16158: From your 0410 fix, what is the course per standard magnetic compass to enter York Spit Channel with buoy "29" close abeam to starboard? 16159: If you are making 8.3 knots over the ground, what is your ETA at the turning point in York Spit Channel at buoy "29"? 16160: You are turning for 9 knots, an easterly wind is causing 3ø of leeway, and the current is 320ø T at 1.2 knots. What true course should you steer to remain in the middle leg of York Spit Channel? 16161: Which publication contains specific information on the characteristics of Chesapeake Bay entrance? 16162: The Coast Guard announces that Chesapeake Channel is closed indefinitely due to a collision in the channel between Trestle "B" and "C" of the Chesapeake Bay Bridge and Tunnel. You exit York Spit Channel, leaving buoy "22" close abeam to port at 0.1 mile, and alter course to leave Horseshoe Crossing Lighted Bell Buoy "HC" abeam to port at 0.2 mile. What is the course per gyrocompass? 16163: After you enter Thimble Shoal Channel, you will alter course to pass between Trestle "A" and "B". Which channel should you use? 16164: As you pass through the Chesapeake Bay Bridge and Tunnel, you sight Trestle "B" in line bearing 018ø pgc. What is the gyro error by observation? 16165: You sighted Trestle "B" in line at 0706 and are steering 108ø T. At 0731, Cape Henry Light bears 136ø T; Cape Charles Light bears 032.5ø T; and Thimble Shoal Tunnel South Light bears 282ø T. What was the speed made good between 0706 and 0731? 16166: At 0731, what is the approximate depth of water? 16167: What is the coastwise distance from your 0731 fix to Wilmington, DE (LAT 39ø43.2' N, LONG 75ø31.5' W)? 16168: You will enter waters governed by the International Rules when _____________. 16169: At 0812, you take the following loran readings: 9960-X-27155.2 9960-Y-41264.5 9960-Z-58536.2 What is your 0812 position? 16170: At 0812, you are on course 132ø T. The standard magnetic compass reads 135ø. What should you conclude? 16206: You are steering 087ø pgc and turning for 6.8 knots. At 0600, you take the following loran readings: 9960-W-14784.4 9960-X-26208.3 9960-Y-43959.1 What is your 0600 position? 16207: If you change course at 0610, what is the course to steer to a point where Little Gull Island Light bears 180ø T at 0.7 mile (Point "A")? 16208: What is your ETA at point "A"? 16209: You calculate that the current will be ebbing at the Race at 0700. You should expect to be set in which general direction at the Race? 16210: As you near Little Gull Island, you use your loran to insure that you do not come within 0.5 mile of the island. Which of the following loran readings will act as a danger line and keep you off Little Gull Island by a minimum of 0.5 mile? 16211: From point "A", you lay out an intended track line to a point where Block Island North Light bears 180² T at 2.9 miles (Point "B"). What is the length of this leg of the voyage? 16212: What is the course per standard magnetic compass between points "A" and "B"? 16213: At 0715 you take the following bearings: Race Rock Light 328² pgc Little Gull Island Light 249² pgc Mt. Prospect Antenna 036² pgc Based on your 0715 fix, which statement is TRUE? 16214: From your 0715 position, you set a course of 085ø T. At 0745 you take the following bearings: Race Rock Light 278ø pgc Watch Hill Light 049ø pgc Fisher's Island East Harbor Cupola 010ø pgc What was the current encountered between 0715 and 0745? 16215: The wind is southerly, and you estimate 3ø leeway. Allowing for leeway, what is the course to steer from your 0745 position to pass 1 mile south of Watch Hill Buoy "WH"? 16216: From your 0745 fix, you change course to pass 1.0 mile south of buoy "WH" and estimate your speed at 7 knots. If the visibility clears, what is the earliest time you can expect to see Block Island North Light tower? 16217: Which statement describes the shore between Watch Hill Point and Point Judith? 16218: At 0830, Watch Hill Point bears 343ø T at 3.5 miles by radar. What was the speed made good since 0745? 16219: At 0900, you take the following radar ranges: Watch Hill Point 5.4 miles Block Island Grace Point 8.3 miles Which statement about this fix is TRUE? 16220: At 0930, your position is LAT 41ø16.5' N, LONG 71ø41.4' W, and you are turning for 7 knots. Allowing 3ø leeway for southerly winds and estimating the current as 035ø at 0.3 knot. What is the course to steer to point "B"? 16238: At 2045, you obtain the following Loran-C information: 9960-X-27102 9960-Y-41627 9960-Z-58743 Your vessel's position is _____________. 16239: From your 2045 position, you set a course to pass 1.5 miles due east of the charted position of Hog Island Lighted Bell Buoy "12". The known set and drift in the area are 068ø T at 3 knots. What is the course to steer, with no change in engine speed, to make good your desired course? 16240: The speed that you can expect to make good, while steering to make good your desired course, is _____________. 16241: At 2129 Cape Charles Light bears 253ø T, Hog Island Lighted Bell Buoy "12" bears 351ø T, and Cape Charles Lighted Bell Buoy "14" bears 230ø T. Which statement is TRUE? 16243: At 2207 Cape Charles Light bears 276ø T, Chesapeake Light bears 194ø T, and Cape Charles Lighted Bell Buoy "14" bears 312ø T and is 2.0 miles off. What were the set and drift of the current acting on your vessel from 2129 to 2207? 16245: At 2259 Cape Henry Light bears 250ø T, Chesapeake Light bears 122ø T, and North Chesapeake Entrance Lighted Whistle Buoy "NCA" has a radar range of 1.8 miles. Which statement is TRUE? 16246: From your 2259 fix, you alter course to 250ø T. At 2300 Cape Henry Light bears 250ø T. At 2326 Cape Henry Light bears 252ø T. Which statement is TRUE? 16256: What is the course per gyro compass from the anchorage to point A located 0.5 mile east of Cape Charles Lighted Bell Buoy 14? 16257: If your engines turn for 6.5 knots, and you encounter a 0.5 knot southerly current after weighing anchor. What is your ETA at point A? 16258: What is the course to steer per standard magnetic compass from the anchorage to point A, if easterly winds are causing 3ø of leeway? 16259: You are on track from the anchorage to point A. At 0250, Great Machipongo Inlet Light "5" (27ø21.8' N, 75ø43.7' W) bears 279ø pgc. At 0320, the light bears 320ø pgc. What is the position of your 0320 running fix if you are making good 6.5 knots? 16260: If your vessel draws 6.5 feet (2 meters), what is the approximate depth of water under your keel at 0320? 16261: At 0400, you take a loran fix with the following readings: 9960-X-27120.9 9960-Y-41524.8 9960-Z-58681.9 What is your 0400 position? 16262: What was the speed made good from 0240 to 0400? 16263: If you increase speed to 8 knots, and the current is 240ø at 0.7 knot. What course should you steer from your 0400 position to arrive at point A? 16264: Which statement about your 0400 position is true? 16265: At 0600, you are on course 241ø psc at 6.5 knots. Chesapeake Light bears 153ø per standard magnetic compass, and Cape Henry Light bears 261ø per standard magnetic compass. What is the position of your 0600 fix? 16266: The abandoned lighthouse at Cape Henry is a(n) ____________. 16267: When Cape Henry Light is abeam, what is the approximate distance to Yorktown, VA? 16268: As you pass between trestle "B" and trestle "C" of the Chesapeake Bay Bridge - Tunnel, you sight along the trestle "C" when it is in line. The gyro bearing is 048ø. What is the gyro error by observation? 16269: On either side of York River Entrance Channel, there are areas bounded by short - long magenta lines and marked by yellow buoys. These areas are ___________. 16270: The wind is northerly and will cause 2ø leeway. The current is 018ø at 0.5 knot. If your engines are turning for 8.0 knots. What should you steer to remain in York River Entrance Channel? 16306: At 0345, you set a course to depart New London Harbor. Assuming no set and drift, which standard magnetic compass course must you steer to stay in the middle of the channel? 16307: Which statement regarding the wreck 0.2 mile south of buoys "1" and "2" at the entrance to New London Harbor is TRUE? 16308: At 0530, your position is LAT 41ø13.6' N, LONG 72ø08.5' W. What is the color of New London Light? 16309: From your 0530 position, you set a course of 271ø psc with an engine speed of 9 knots. At 0645, Cornfield Safe-Water Buoy is abeam to starboard. What speed have you averaged since 0530? 16310: At 0730, your position is LAT 41ø10.5' N, LONG 72ø32.2' W. From this position you steer course 286ø psc with an engine speed of 9.0 knots. What is the approximate depth of water under your keel? 16311: The broken magenta line which runs parallel to the shore between Roanoke Point and Mattituck Inlet marks a _________. 16312: Assuming no current, at what time can you expect to be abeam of Townshend Ledge Lighted Buoy? 16313: At 0730, visibility is 5.5 miles. At what time will you lose sight of Horton Point Light? 16314: At 0820, you take the following Loran-C readings: 9960-W-14978.0 9960-Y-43993.5 9960-X-26464.1 What are the set and drift since 0730? 16315: At 0820, you change course to 301ø psc and reduce speed to 7.5 knots. At 0900, you take the following visual bearings: Branford Reef Light 023ø psc New Haven Light 293ø psc Tweed Airport Aerobeacon 332ø psc Your 0900 position is ________________. 16316: At 0900, the current is flooding in a direction of 350ø T at 1.2 knots. If your engines are turning RPMs for 9 knots, which course should you steer per standard magnetic compass to make good a course of 297ø true? 16317: Which chart would you use for more detailed information on New Haven Harbor? 16318: What true course and speed did you make good between 0730 and 0900? 16319: As you enter the New Haven Outer Channel, you sight the outer range markers in line directly ahead. Your heading at this time is 347ø psc. What is your compass deviation by observation? 16320: Which course should you change to per standard magnetic compass as you pass SW Ledge Light to remain in the channel? 16338: At 2209 you take the following loran readings: 9960-W-14617.0 9960-X-25834.3 9960-Y-43716.5 There is a strong WSW'ly wind causing an estimated 3ø leeway. What course will you steer by standard magnetic compass from your 2209 position to make good 340ø T? 16339: Based on your 2209 fix, which would be a warning that you are being set down on Block Island Sound South Entrance Obstruction Lighted "BIS" Buoy? 16340: If you make good your intended course and speed, at what time will you cross the 150-foot curve? 16341: At 2230 you take RDF gyro bearings. Your vessel is heading 337ø pgc at the time of the bearings. Use the RDF CALIBRATION TABLE (shown above question 8) to determine your 2230 position based on the following bearings: Montauk Point RBN 314.5ø Southeast Point RBN 005.5ø 16342: At 2302 you fix your position at LAT 40ø57.8' N, LONG 71ø39.3' W. What current have you experienced since your 2209 fix? 16343: At 2302 you change course to compensate for an estimated current of 090ø T, at 1.0 knot. What course per gyrocompass will you steer to leave Endeavor Shoals Lighted Gong Buoy "3" abeam to port at 1 mile? 16344: After changing course to allow for a current of 090ø T at 1.0 knot, what time will Endeavor Shoals Lighted Gong Buoy "3" be abeam to port? 16345: Where will you cross the demarcation line between the International and Inland Rules of the Road? 16346: After passing through the Race, enroute to Bridgeport, CN, and Race Rock Light is 2 miles astern you notice an equal interval flashing red light on the starboard side. This light is ________________. 16356: What is the course per standard magnetic compass from the anchorage to point "A" located 0.5 mile east of Cape Charles Lighted Bell Buoy 14? 16357: The coast between Great Machipongo Inlet and Cape Charles is ______________. 16358: What is the distance from the anchorage to point "A"? 16359: If your engines are turning for 6.5 knots and the estimated current is north at 0.5 knot. What is the ETA at point "A"? 16360: What is the course to steer per gyro compass from the anchorage to point "A" if westerly winds are causing 3ø of leeway? 16361: At 0400, you take a loran fix with the following readings: 9960-X-27126.4 9960-Y-41516.6 9960-Z-58674.4 What was the course made good since 0240? 16362: The visibility is about 5 miles. Which statement about Cape Charles Light is TRUE? 16363: At 0405, you increase speed and at 0500 your position is LAT 37ø06.0' N, LONG 75ø41.1' W. What is the approximate depth of water? 16364: If you proceed from your 0500 position to Chesapeake Bay via the inbound traffic lane. What is the distance to Yorktown, VA? 16365: From your 0500 position, you change course to 221ø T and order turns for 9.8 knots. At 0600 Chesapeake Light bears 143ø pgc at a radar range of 6.5 miles. Cape Henry Light bears 252ø pgc. What is the position of your 0600 fix? 16366: From your 0600 fix, you change course to 250ø T. At 0605, Cape Henry Light bears 250ø T. At 0615, it bears 251ø T. At 0625, it bears 252ø T. Based on this you know you are ____________. 16367: Weather broadcasts for the Norfolk area are broadcast on what frequency? 16368: Why should mariners use extreme care when navigating within the precautionary area centered on Chesapeake Bay Entrance Junction Lighted Gong Buoy CBJ? 16369: As you pass between Trestle B and Trestle C of the Chesapeake Bay Bridge - Tunnel, you sight along the Trestle when it is in line. The gyro bearing is 051ø. What is the gyro error by observation? 16370: The wind is westerly and will cause 2ø of leeway. The current is 180ø at 0.5 knot. If your engines are turning for 8.0 knots, what should you steer to remain in York River Entance Channel? 16406: At 0227, you take the following radar ranges and bearings: Bartlett Reef Light 359ø T at 2.4 miles Race Rock Light 083ø T at 4.1 miles What is your 0227 position? 16407: At 0227, you are on course 087ø T at 10 knots. What course per standard magnetic compass should you steer to make good your true course? 16408: You estimate that you are making 9.3 knots over the ground. At what time will you enter waters governed by the COLREGS? 16409: At 0337, fog closes in and you anchor under the following radar ranges and bearing. South tip of Watch Hill Point 3.0 miles East point of Fishers Island 1.4 miles Latimer Reef Light 331ø T What is the approximate depth of water at your anchorage? 16410: By 1015, visibility has increased to 5.0 miles and you can see Fishers Island. Fishers Island has ________________. 16411: You get underway at 1030. The wind is out of the SSE and you estimate 3ø leeway. What course should you steer per gyrocompass to make good a desired course of 075ø T? 16412: Shortly after getting underway, you sight Stonington Outer Breakwater Light in line with Stonington Inner Breakwater Light bearing 000ø per gyrocompass. Which statement is TRUE? 16413: At 1104, Watch Hill Point Light is in line with Stonington Outer Breakwater Light, the range to the south tip of Watch Hill Point is 2.6 miles and the range to the beach is 1.9 miles. You are steering to make good 075ø T, speed 10.0 knots. At 1110, you change course to head for a position of LAT 41ø05.0' N, LONG 71ø50.0' W. What is the true course? 16414: At 1110, you increase speed to 12 knots. What is your ETA at the new position? 16415: You can follow what loran reading between your two positions? 16416: At 1345, you depart from a position 1 mile due east of Montauk Point Light and set course for Block Island Southeast Light at 9 knots. At 1430, you take the following loran readings: 9960-W-14600.8 9960-Y-43866.3 9960-X-25912.3 What was the current encountered since 1345? 16417: You are encountering heavy weather. What action should you take based on your 1430 fix? 16418: At 2100, you set course of 000ø T, speed 10 knots from LAT 41ø07.0' N, LONG 71ø30.0' W. Visibility is 5.5 n.m. What is the earliest time you can expect to sight Point Judith Light? (Use charted range of 20 miles as nominal range.) 16419: You estimate the current to be 160ø T at 1.2 knots. What should your course and speed be in order to make good 000ø T at 10 knots? 16420: If you want to put into Point Judith Harbor of Refuge, what chart should you use? 16438: Chesapeake Channel is temporarily closed to traffic. At 2215 you anchor on the following bearings: Wolf Trap Light 358ø pgc Light "HH" 301ø pgc New Point Comfort Light "2" 263ø pgc What is your 2215 position? 16439: While you are at anchor, what will serve as a positive warning that you are drifting towards the wrecks located to the NW and SW of your 2215 position? 16440: What course per gyrocompass would you need to steer from the anchorage to York Spit Channel buoy "29"? 16441: When you get underway, you will take the most direct route to buoy "CBJ", while remaining west of York Spit Channel. You will be turning for 9.7 knots and estimate an average ebb of 0.3 knot during the transit. How long will it take to steam from the anchor position to buoy "CBJ"? 16442: The area bounded by the buoys "C51" to "C47A" to "M6" to "M14", west of your anchorage, is _____________. 16443: As you transit the Chesapeake Bay Bridge and Tunnel, you take a gyro bearing of trestle C when it is in line. The gyro bearing was 050ø. At that time, the helmsman noted that he was heading 139ø pgc and 146ø per standard magnetic compass. What is the deviation? 16444: At 1042 you take the following round of bearings: Cape Henry Light 259ø T Chesapeake Light 101ø T Cape Charles Light 006ø T From this position, you set course 070ø T at a speed of 9.5 knots. What is the course per standard magnetic compass? 16445: At 1126 you take the following loran readings: 9960-X-27125.7 9960-Y-41329.0 9960-Z-58588.6 What was the current encountered since your 1042 fix? 16456: What is the course per standard magnetic compass from the anchorage to point A located 0.5 mile east of Cape Charles Lighted Bell Buoy 14? 16457: The coast between Great Machipongo Inlet and Cape Charles is _______________. 16458: If your engines turn for 6.5 knots, and you encounter a 0.5 knot southerly current, what is your ETA at point A? 16459: What is the course to steer per gyro compass from the anchorage to point "A" if easterly winds are causing 3ø of leeway? 16460: At 0250, Great Machipongo Inlet Light "5" (27ø21.8' N, 75ø43.7' W) bears 279² pgc. At 0320, the light bears 320ø pgc. If you are steering 184ø T and making good 6.5 knots, what is the position of your 0320 running fix? 16461: At 0400, you take the following loran readings: 9960-X-27126.4 9960-Y-41516.6 9960-Z-58674.4 What is your 0400 position? 16462: Which statement about your 0400 position is TRUE? 16463: The visibility is about 5 miles. Which statement about Cape Charles Light is TRUE? 16464: At 0405, you increase speed. At 0500, your position is LAT 37ø06.0' N, LONG 75ø41.1' W. What is the approximate depth of the water under the keel? 16465: At 0600, you are entering the inbound leg of the traffic seperation scheme at position LAT 36ø59.2' N, LONG 75ø47.6' W. Course is 250ø T. At 0605, Cape Henry Light bears 249ø T. At 0610, it bears 248ø T. At 0625, it bears 247ø T. Based on this, you know you are _______________. 16466: The abandoned lighthouse at Cape Henry is a(n) __________. 16467: Weather broadcasts for the Norfolk area are broadcast on which frequency? 16468: When Cape Henry Light is abeam, what is the approximate distance to Yorktown? 16469: As you pass between trestle "B" and trestle "C" of the Chesapeake Bay Bridge - Tunnel, you sight along the trestle "C" when it is in line. The trestle bears 057ø per standard magnetic compass while the vessel is heading 320ø T. From this you know the ____________. 16470: The wind is easterly and will cause 2ø of leeway. The current is 180ø at 0.5 knot. If your engines are turning for 8.0 knots, what should you steer to remain in York River Entrance Channel? 16506: At 0630, you pass Buoy "PI" close abeam on the starboard side. You are steering 078ø T and are headed directly toward Race Rock Light. At 0654, Little Gull Island Light is bearing 207ø T and Race Rock Light is bearing 072ø T. What is your 0654 position? 16507: What is your speed from your 0630 position, with Buoy "PI" close abeam, to your 0654 position? 16508: At 0700, your gyro alarm sounds. What course should you steer by the standard magnetic compass in order to maintain your original heading of 078ø T? 16509: At 0705, with your gyro again functioning properly, you change course to 096ø T. At this time Race Rock Light is bearing 000ø T at 0.35 mile. You are now governed by which Navigation Rules? 16510: At 0728, Race Rock Light is bearing 282ø T at 3.8 miles, and the closest point on Fishers Island is at a radar range of 2.1 miles. What speed have you been making since you changed course at 0705? 16511: At 0728, you change course to 080ø T. When steady on course, the standard magnetic compass reads 097ø. Which statement is TRUE? 16512: At 0748, you take the following Loran-C readings: 9960-W-14651.0 9960-X-26034.8 9960-Y-43943.8 What is the approximate depth of water at this position? 16513: At 0748, you change course to 160ø T. What loran reading can you follow to remain on this course? 16514: At 0815, Montauk Pt. Light House is bearing 167ø T, Shagwong Pt. has a radar range of 4.5 miles, and Cerberus Shoal "9" Buoy is bearing 284ø T. If the engine is making turns for 10 knots, what was the set and drift of the current since 0748? 16515: What action should you take to compensate for the above current? 16516: At 0815, visibility is excellent and you can see Montauk Point. Montauk Point is ________________. 16517: At 0815, you change course to 079ø T and head for the entrance of Great Salt Pond on Block Island. To compensate for a northerly wind, you estimate a 5ø leeway is necessary. What course should you steer per gyrocompass to make good 079ø T? 16518: At 0845, Montauk Pt. Light is bearing 205ø T at a radar distance of 6.6 miles. What is your speed made good from your 0815 position 16519: As you head toward Great Salt Pond, visibility is unlimited. At what time will you lose sight of Montauk Pt. Light? 16520: Which chart should you use to enter Great Salt Pond? 16538: At 2216 your position is LAT 41ø16.0' N, LONG 72ø08.0' W. Which statement is TRUE? 16539: If you estimate 3ø leeway due to northerly winds, which course will you steer per standard magnetic compass (psc) to make good 255ø T? 16540: You sight Bartlett Reef Light in range with New London Harbor Light bearing 038ø pgc. At the time of the bearing, the helmsman reports he was heading 253ø pgc and 269ø per standard magnetic compass. What is the deviation for that heading? 16541: At 2255 you take RDF gyro bearings. At the time of the bearing, the helmsman reports he was heading 246ø pgc. Using the RDF CALIBRATION TABLE (shown above question #8) determine your 2255 estimated position? Saybrook Breakwater Light 330.5ø Little Gull Island Light 096.0ø 16542: At 2308 your position is LAT 41ø12.7' N, LONG 72ø22.8' W. You steer a course to make good 255ø T from this position. At 2310 you receive a distress call from a vessel anchored 2.1 miles due north of Mattituck Inlet Light. If you change course at 2314, what is the course to steer per gyrocompass to arrive at the distress site if you allow 2ø leeway for northerly winds, 3ø E gyro error and correct your course for a current of 073ø T at 1.3 knots? 16543: Based on the information in question 12, what is your ETA at the distress scene? 16544: At 2347 you are advised that your assistance is no longer needed. At 2350 you change course to make good 268ø T. At 0015 you take the following round of bearings: Kelsey Point Breakwater light 024ø pgc Horton Point Light 100ø pgc Falkner Island Light 333ø pgc At 0030 Falkner Island Lt. bears 000ø pgc at 5.9 miles. What is the course and speed made good between 0015 and 16545: At 0030 you alter course and speed to make good 265ø T at 10 knots. What is your ETA at a point where Stratford Shoal Middle Ground Light is abeam? 16546: At 0200 you sight Stratford Point Lighted Bell Buoy "18" bearing 268ø pgc. At 0215 the buoy bears 269ø pgc. Which statement is TRUE? 16556: You are underway in the vicinity of Block Island and obtain the following lines of position: Montauk Point Light 267ø pgc Block Island Southeast Light 030ø pgc Radar Bearing to Block Island Southwest Point (tangent) 352ø pgc What is your position at the time of these sightings? 16557: Which course would you steer by your standard magnetic compass to make good a course of 275ø T? 16558: Which statement, concerning the radiobeacon at Montauk Point Light, is TRUE? 16559: At 1800, your position is LAT 41ø06.5' N, LONG 71ø43.5' W. How should the buoy which bears 030ø T from your position at a range of approximately 0.5 mile be painted? 16560: From your 1800 position, you steer a course of 355ø psc at a speed of 10.0 knots. At 1830, your position is LAT 41ø11.7' N, LONG 71ø45.8' W. What are the set and drift of the current? 16561: From your 1830 fix, you come left to a course of 290ø T. Which statement concerning Watch Hill Light is TRUE? 16562: At 1850, you obtain the following bearings and distance: Block Island North Light 085ø T Watch Hill Light 342ø T 5.8 miles What true speed did you make good between 1830 and 1850? 16563: From your 1850 fix, you come left to a course of 280ø T, while maintaining a speed of 10 knots. Which combination of available Loran-C lines would be best for position determination? 16564: If your height of eye is 45 feet (13.7 meters), what is the approximate geographic range of Block Island North Light? 16565: You decide to use the 9960-Y and 9960-W rates. At 1915, you obtain the following readings: 9960-Y-43937.5 9960-W-14651.2 What is your 1915 position? 16566: If you were to head into New London Harbor, which chart should you switch to for the best detail? 16567: From your 1915 position, you come left and set a course for Gardiners Point. At 1930, your position is LAT 41ø12.7' N, LONG 71ø56.8' W. What type of bottom is charted at this position? 16568: From your 1930 position, you plot a course to pass 0.5 mile due south of Race Rock Light. If your vessel's speed is 8.0 knots, the current's set and drift are 040ø T at 1.4 knots, and a south wind produces a 3ø leeway, what true course should you steer to make good your desired course? 16569: The short-long dashed magenta line around Gardiners Island marks ____________. 16570: NOAA VHF-FM weather broadcasts from Providence, RI are on ___________. 16606: Your position is LAT 40ø59.0' N, LONG 73ø06.2' W. What is the course per standard magnetic compass to New Haven Harbor Lighted Whistle Buoy "NH"? 16607: You depart from the position in question 6 at 2114 and make good 12 knots on a course of 040ø T. At what time will you sight New Haven Light if the visibility is 11 miles? 16608: At 2142, you take the following bearings: Stratford Point Light 331ø T Stratford Shoal Middle Ground Light 280ø T Old Field Point Light 223ø T What is your 2142 position? 16609: What was the speed made good between 2114 and 2142? 16610: At 2142, you change course to make good 030ø T and increase speed to 14 knots. You rendezvous with another vessel and receive fresh supplies while off New Haven Harbor Lighted Whistle Buoy "NH". What is the light characteristic of this buoy? 16611: At 0109 you get underway, and at 0112 you take the following Loran-C readings: 9960-W-15026.9 9960-X-26536.9 9960-Y-44015.7 What is your 0112 position? 16612: At 0112, what is the approximate depth under the keel? 16613: At 0112, you are on course 124ø T and turning for 12.0 knots. What course will you make good if the current is 255ø T at 1.2 knots? 16614: Branford reef is _________________________ . 16615: At 0112, the radar range to Branford Reef Light is 2.9 miles. At 0125, the range is 3.6 miles. What is the position of your 0125 running fix if you make good 124ø T at 12 knots? 16616: At 0130, your position is LAT 41ø09.3' N, LONG 72ø46.9' W when you change course to 086ø T. If you make good 086ø T, what is the closest point of approach to Twenty-Eight Foot Shoal Lighted Buoy? 16617: At 0200, you take the following bearings: Falkner Island Light 004.5ø T Stone Island Reef Light 054.0ø T Horton Point Light 115.0ø T What were the set and drift from 0130? 16618: What is the distance from your 0200 position to the point where Twenty-Eight Foot Shoal Lighted Buoy is abeam to starboard? 16619: The shoreline along Rocky Point should give a good radar return because _____________. 16620: You sight Bartlett Reef Light in line with New London Harbor Light bearing 043ø pgc. You are heading 088ø pgc and 098.5ø per standard magnetic compass at the time of the observation. Which statement is TRUE? 16638: At 0400 you take the following loran readings: 9960-X-25841.8 9960-Y-43736.7 From your 0400 fix, you steer a course to make good 347ø T at 12.5 knots. Visibility is good. What is the earliest time you can expect to raise Montauk Point Light? (Nominal range - 24 miles, height above water - 168 feet) 16639: You estimate the current to be 125ø at 0.6 knot, and the wind is westerly causing 3ø of leeway. What course should you steer per gyro compass to make good 347ø T while turning for 12.5 knots? 16640: At 0445 you take the following lines of position: Montauk Point Light 292ø pgc Block Island Southeast Point Light 024ø pgc What was the current encountered since your 0400 fix? 16641: At 0455 you encounter fog and slow to 5 knots. At 0500, the radar range to Montauk Point is 9.04 miles. You are heading 348ø pgc. and take RDF gyro bearings. Using the RDF CALIBRATION TABLE, shown above question 8, determine your 0500 position? Montauk Point Radiobeacon 271.5ø Block Island Southeast Point Radiobeacon 041.0ø 16642: Based on your 0500 fix, which statement is TRUE? 16643: At 0520 your position is LAT 41ø07.2' N, LONG 71ø41.6' W. You set course to leave Race Rock Light abeam to starboard at 0.5 mile. What is the course to steer per standard magnetic compass? (Assume no current) 16644: Visibility becomes variable in patchy fog and you maintain 5 knots speed. At 0610 you sight Montauk Point Light bearing 239ø pgc, and at 0630 you sight Watch Hill Point Light bearing 333ø pgc. What is the position of your 0630 running fix? 16645: At 0630 you increase speed to 12.0 knots. At 0645 Race Rock Light bears 294ø pgc. At 0700 Race Rock Light bears 293ø pgc. Based on this, you should _____________. 16646: The Tidal Current Tables indicate the following for the Race: SLACK WATER MAXIMUM CURRENT 0328 0642 3.9 F 0947 1301 3.2 E What current should you expect when transiting the Race? 16706: At 0520, you take the following observations: Point Judith Light 032ø pgc Point Judith Harbor of Refuge Main Breakwater Center Light 308ø pgc What is the position of your 0520 fix? 16707: Point Judith Harbor of Refuge __________. 16708: At 0520 you are on course 243ø pgc at 12 knots. What is the course per standard magnetic compass? 16709: The coastline between Point Judith and Watch Hill is _______. 16710: In clear weather, how far away will you sight Point Judith Light? 16711: At what time will you cross the 60 foot curve if you make good 12 knots? 16712: The two wavy magenta lines running to Green Hill Point represent __________. 16713: At 0600 your loran reads: 9960-W-14542.5 9960-X-25909.5 9960-Y-43950.0 What is your 0600 position? 16714: What was the current between 0520 and 0600? 16715: From your 0600 position, what is the course per gyrocompass to leave Watch Hill Light abeam to starboard at 2.0 miles if a southerly wind is producing 3ø of leeway? 16716: At 0645, Watch Hill Point (left tangent) bears 314.5ø T at 2.75 miles. What was the speed made good between 0600 and 16717: At 0705, you take the following bearings: Watch Hill Light 030.5ø pgc Latimer Reef Light 329.0ø pgc Race Rock Light 262.0ø pgc What was the true course made good between 0645 and 0705? 16718: At 0705, you change course to head for The Race. You wish to leave Race Rock Light bearing due north at 0.4 mile. If the current is 100ø T, at 2.8 knots, and you are turning for 12.0 knots, what course (pgc) should you steer? 16719: You are bound for New London. Where will you cross the demarcation line and be governed by the Inland Rules of the Road? 16720: In order to check your compasses, you sight North Dumpling Island Light in line with Latimer Reef Light bearing 074ø pgc. The helmsman was steering 303ø pgc and 315ø per standard magnetic compass at the time. Which of the following is TRUE? 16738: At 2212 you take the following loran readings: 9960-W-14722.3 9960-X-25996.6 9960-Y-43759.5 What is the course to steer per gyrocompass from your 2212 position to leave Montauk Point Buoy "MP" abeam to port at 1 mile if easterly winds are causing 3ø of leeway? 16739: What is the earliest time you should sight Montauk Point Light (nominal range - 24 miles) if you are turning for 9.2 knots? Visibility is 5 nautical miles. 16740: At 2245 visibility improves and Montauk Point Light bears 355ø pgc. At 2314 Montauk Point Light bears 331² pgc, and at 2329 the light bears 311ø pgc. Based on your 2329 running fix which statement is TRUE? 16741: At 2346 Montauk Point Light bears 285ø pgc, and the radar range to Montauk Point is 5.9 miles. You are steering to make good 034ø T. In order to remain westward of Southwest Ledge you should __________. 16742: At 2352 you hear a MAYDAY call from a vessel reporting her position as 1.5 miles due east of Block Island Southeast Point Light. What is the course to steer per gyrocompass to the distress site if you change course at midnight and allow 1ø leeway for easterly winds? 16743: At 0040 you are south of Lewis Point when you receive word that the distress is terminated. You alter course to head for The Race. At 0052 you take the following relative bearings because the starboard gyro repeater is inoperative. Your heading at each bearing was 285ø pgc. What is your 0052 position? Race Rock Light 002ø Watch Hill Light 034ø Block Island North Light 122ø 16744: You continue to steer 285ø pgc from your 0052 fix. Your speed is 9.2 knots. What is the course per standard magnetic compass? 16745: At 0100 Race Rock Light bears 001ø relative, and at 0110 it bears 000ø relative. Based on this you know you __________. 16746: In order to check your compasses, you sight Race Rock Light in line with New London Harbor Light bearing 336ø per gyrocompass. The helmsman reports the vessel was heading 275.0ø pgc and 290.5ø per standard magnetic compass at the time of the observation. Which statement is TRUE? 16838: At 0800 you obtain the following Loran-C readings: 9960-X-27101 9960-Y-41612 9960-Z-58737 What is your vessel's position? 16839: At 0800 you reduce speed from sea speed. Speed was reduced by the time you passed abeam of Cape Charles Lighted Bell Buoy "12" at 0814. At this time Buoy "12" was abeam on your starboard side at a distance of 0.65 mile. Assuming you continue to make good your course of 202ø T, what is your new speed if you pass abeam of Cape Charles Lighted Bell Buoy "14" at a distance of 1.5 miles at 0907? 16840: Visibility is excellent. At approximately what distance did Chesapeake Light become visible? 16841: At 0907 you change course to 224ø T, and your speed is now 13.0 knots. At 0939 Chesapeake Light is bearing 168ø T at a distance of 7.1 miles, and Cape Henry Light is bearing 246ø T. What were the set and drift since 0907? 16842: From your 0939 position, you wish to change course in order to pass 0.3 mile north of Buoy "NCA" (LL#375) in the inbound traffic lane. You estimate the current to be 150ø T at 2.0 knots. What course should you steer to make good the desired course? Your speed is still 13.0 knots. 16843: At what time will you enter the inbound traffic lane with Buoy "NCA" (LL #375) bearing 180ø T at 0.3 mile? 16845: After the pilot boards, he tells you the gyro has a 2ø E error. If this is true, what should the bearing be along Trestle C of the Chesapeake Bay Bridge-Tunnel as your vessel passes abeam of it? 16846: Your vessel's heading is 330ø pgc and 345ø psc with a 2ø E gyro error. What is the deviation on this heading?