USCG Rules of the Road Questions: Master's License
1: INLAND ONLY You are navigating in a narrow channel and must
remain in the channel for safe operation. Another vessel is
crossing the channel ahead of you from your starboard and
you doubt whether your vessel will pass safely. Which
statement is TRUE?
A: You must stop your vessel, since the other vessel is the
stand-on.
B: You must sound one short blast of the whistle and turn to
starboard.
C: You must sound the danger signal.
D: You must stop your engines and you may sound the danger
2: INLAND ONLY What is the required whistle signal for a
power-driven vessel leaving a dock or berth?
A: One short blast
B: One prolonged blast
C: Two short blasts
D: Two prolonged blasts
3: INLAND ONLY In a narrow channel, you are underway on vessel
"A" and desire to overtake vessel "B". After you sound two
short blasts on your whistle, vessel "B" sounds five short
and rapid blasts on the whistle. You should _________.
A: pass with caution on the port side of vessel "B"
B: hold your relative position, and then sound another signal
after the situation has stabilized
C: answer the five short blast signal then stop your vessel
until the other vessel initiates a signal
D: slow or stop and expect radical maneuvers from "B"
4: INLAND ONLY A vessel proceeding downstream in a narrow
channel on the Western Rivers sights another vessel moving
upstream. Which vessel has the right of way?
A: The vessel moving upstream against the current
B: The vessel moving downstream with a following current
C: The vessel located more towards the channel centerline
D: The vessel sounding the first whistle signal
5: INLAND ONLY You are overtaking a vessel in a narrow channel
and wish to leave her on your starboard side. You may
___________________.
A: attempt to contact her on the radiotelephone to arrange for
the passage
B: proceed to overtake her without sounding whistle signals
C: sound five short blasts
D: All of the above
6: INLAND ONLY A vessel displaying a flashing blue light is
_________________.
A: transferring dangerous cargo
B: a law enforcement vessel
C: a work boat
D: engaged in a race
7: INLAND ONLY When power-driven vessels are crossing, a signal
of one short blast by either vessel means _____.
A: "I intend to leave you on my port side"
B: "I intend to hold course and speed"
C: "I intend to change course to starboard"
D: "I request a departure from the Rules"
8: INLAND ONLY If you were coming up on another vessel from
dead astern and desired to overtake on the other vessel's
starboard side, which whistle signal would you sound?
A: One short blast
B: One prolonged blast
C: Two short blasts
D: Two prolonged blasts
9: INLAND ONLY Which statement is TRUE concerning narrow
channels?
A: You should keep to that side of the channel which is on your
port side.
B: You should avoid anchoring in a narrow channel.
C: A vessel having a following current will propose the manner
of passage in any case where two vessels are meeting.
D: All of the above
10: INLAND ONLY Which term is NOT defined in the Inland
Navigation Rules?
A: Seaplane
B: Restricted visibility
C: Underway
D: Vessel constrained by her draft
11: INLAND ONLY When you are overtaking another vessel and
desire to pass on her left or port hand, you should sound
_________________.
A: one short blast
B: one long blast
C: two short blasts
D: two prolonged blasts
12: INLAND ONLY Your vessel is meeting another vessel head-on.
To comply with the steering and sailing rules, you should
_____.
A: sound the danger signal
B: sound one prolonged and two short blasts
C: exchange two short blasts
D: exchange one short blast
13: INLAND ONLY Yellow lights are NOT used to identify ________.
A: U.S. submarines
B: vessels pushing ahead
C: law enforcement vessels
D: dredge pipelines on trestles
14: INLAND ONLY You have made your vessel up to a tow and are
moving from a pier out into the main channel. Your engines
are turning ahead. What whistle signal should you sound?
A: One prolonged and two short blasts
B: Three long blasts
C: One prolonged blast
D: Five or more short rapid blasts
15: INLAND ONLY Under the Inland Navigation Rules, what is the
meaning of the two short blasts signal used when meeting
another vessel?
A: "I am turning to starboard."
B: "I am turning to port."
C: "I intend to leave you on my starboard side."
D: "I intend to leave you on my port side."
16: INLAND ONLY For the purpose of the Inland Navigation Rules,
the term "Inland Waters" includes ___________________.
A: the Western Rivers
B: the Great Lakes on the United States side of the
International Boundary
C: harbors and rivers shoreward of the COLREGS demarcation
lines
D: All of the above
17: INLAND ONLY A vessel crossing a river on the Western Rivers
has the right of way over _____.
A: vessels ascending the river
B: vessels descending the river
C: all vessels ascending and descending the river
D: None of the above
18: INLAND ONLY Which lights are required for a barge, not part
of a composite unit, being pushed ahead?
A: Sidelights and a sternlight
B: Sidelights, a special flashing light, and a sternlight
C: Sidelights and a special flashing light
D: Sidelights, a towing light, and a sternlight
19: INLAND ONLY A power-driven vessel operating in a narrow
channel with a following current on the Great Lakes or
Western Rivers is meeting an upbound vessel. Which
statement is TRUE?
A: The downbound vessel has the right-of-way.
B: The downbound vessel must initiate the required maneuvering
signals.
C: The downbound vessel must propose the manner and place of
passage.
D: All of the above
20: INLAND ONLY Your vessel is proceeding down a channel, and
can safely navigate only within the channel. Another vessel
is crossing your bow from port to starboard, and you are in
doubt as to her intentions. Which statement is TRUE?
A: The sounding of the danger signal is optional.
B: The sounding of the danger signal is mandatory.
C: You should sound two short blasts.
D: You should sound one prolonged and two short blasts.
21: INLAND ONLY The stand-on vessel in a crossing situation
sounds one short blast of the whistle. This means that the
vessel _____.
A: intends to hold course and speed
B: is changing course to starboard
C: is changing course to port
D: intends to leave the other on her port side
22: INLAND ONLY You are crossing the course of another vessel
which is to your starboard. You have reached an agreement
by radiotelephone to pass astern of the other vessel. You
MUST _________________.
A: sound one short blast
B: sound two short blasts
C: change course to starboard
D: None of the above
23: INLAND ONLY Passing signals shall be sounded on inland
waters by ________________________.
A: all vessels upon sighting another vessel rounding a bend in
the channel
B: towing vessel when meeting another towing vessel on a clear
day with a 0.6 mile CPA
C: a power-driven vessel when crossing less than half a mile
ahead of another power-driven vessel
D: All of the above
24: BOTH INTERNATIONAL & INLAND Which of the dayshapes shown
would you show on the after end of an inconspicuous
partially submerged vessel or object being towed less than
200 meters in length?
A: A
B: B
C: C
D: No dayshape would be shown.
25: INLAND ONLY In a narrow channel, a vessel desiring to
overtake another power-driven vessel on the other vessel's
starboard side will sound a whistle signal of __________.
A: one short blast
B: two short blasts
C: two prolonged blasts followed by one short blast
D: two prolonged blasts followed by two short blasts
26: INLAND ONLY A law enforcement boat may display a __________.
A: blue flag
B: flashing blue light
C: flashing red light
D: flashing amber light
27: INLAND ONLY Your vessel is meeting another vessel head-on.
To comply with the rules you should exchange _____.
A: one short blast, alter course to port, and pass starboard to
starboard
B: one short blast, alter course to starboard, and pass port to
port
C: two short blasts, alter course to port, and pass starboard
to starboard
D: two short blasts, alter course to starboard, and pass port
28: INLAND ONLY A vessel overtaking another in a narrow channel,
and wishing to pass on the other vessel's port side, would
sound a whistle signal of _________________.
A: one short blast
B: two short blasts
C: two prolonged blasts followed by one short blast
D: two prolonged blasts followed by two short blasts
29: INLAND ONLY A fleet of moored barges extends into a
navigable channel. What is the color of the lights on the
barges?
A: Red
B: Amber
C: White
D: None of the above
30: INLAND ONLY Which signal must a power-driven vessel give, in
addition to one prolonged blast, when backing out of a berth
with another vessel in sight?
A: 2 short blasts
B: 1 blast
C: 3 short blasts
D: 4 blasts
31: INLAND ONLY At night, a light signal consisting of two
flashes by a vessel indicates ____.
A: an intention to communicate over radiotelephone
B: that the vessel is in distress
C: an intention to leave another vessel to port
D: an intention to leave another vessel to starboard
32: INLAND ONLY You are overtaking a vessel in a narrow channel
and wish to leave her on your starboard side. You may
_____________________.
A: proceed to overtake her without sounding whistle signals
B: attempt to contact her on the radiotelephone to arrange for
the passage
C: sound four short blasts
D: Any of the above
33: INLAND ONLY For the purpose of the Inland Navigation Rules,
the term "inland waters" includes _____________________.
A: the Great Lakes on the United States side of the
International Boundary
B: the water surrounding any islands of the United States
C: the coastline of the United States, out to one mile
offshore
D: any lakes within state boundaries
34: INLAND ONLY A barge more than 50 meters long is required to
show how many white anchor lights when anchored in a
Secretary of Transportation approved "special anchorage
area"?
35: INLAND ONLY You are on vessel "B" and vessel "A" desires to
overtake you on your starboard side as shown in DIAGRAM 9.
After the vessels have exchanged one blast signals, you
should ___________________.
A: alter course to the left
B: slow your vessel until vessel "A" has passed
C: hold course and speed
D: alter course to the left or right to give vessel "A" more
36: INLAND ONLY Which type of vessel is NOT mentioned in the
Inland Navigation Rules?
A: An inconspicuous, partly submerged vessel
B: A seaplane
C: An air-cushion vessel
D: A vessel constrained by her draft
37: INLAND ONLY You are operating a vessel through a narrow
channel and your vessel must stay within the channel to be
navigated safely. Another vessel is crossing your course
from starboard to port, and you are in doubt as to her
intentions. You _______________________.
A: must sound the danger signal
B: are required to back down
C: may sound the danger signal
D: should sound one short blast to show that you are holding
38: INLAND ONLY Your vessel is meeting another vessel head-on.
To comply with the rules, you should exchange ______.
A: one short blast, alter course to the left, and pass
starboard to starboard
B: two short blasts, alter course to the left, and pass
starboard to starboard
C: one short blast, alter course to the right, and pass port to
port
D: two short blasts, alter course to the right, and pass port
39: INLAND ONLY Which indicates the presence of a partly
submerged object being towed?
A: A diamond shape on the towed object
B: An all-round light at each end of the towed object
C: A searchlight beamed from the towing vessel in the direction
of the tow
D: All of the above
40: INLAND ONLY The light used to signal passing intentions is
a(n) _____.
A: all-round white light ONLY
B: all-round yellow light ONLY
C: all-round white or yellow light
D: light of any color
41: INLAND ONLY Two vessels in a crossing situation have reached
agreement by radiotelephone as to the intentions of the
other. In this situation, whistle signals are __________.
A: required
B: not required, but may be sounded
C: required if crossing within half a mile
D: required when crossing within one mile
42: INLAND ONLY You are underway in a narrow channel, and are
being overtaken by another vessel. The overtaking vessel
sounds the signal indicating his intention to pass you on
your starboard side. You signal your agreement by sounding
_______________________.
A: one short blast
B: two prolonged blasts
C: two prolonged followed by two short blasts
D: one prolonged, one short, one prolonged, and one short blast
43: INLAND ONLY You are meeting another vessel head-on and sound
one short blast as a passing signal. The other vessel
answers with two short blasts. What should be your next
action?
A: Pass on the other vessel's starboard side.
B: Sound the danger signal.
C: Pass astern of the other vessel.
D: Hold your course and speed.
44: INLAND ONLY What lights are required for a barge being
pushed ahead, not being part of a composite unit?
A: Sidelights and a sternlight
B: Sidelights and a special flashing light
C: Sidelights, a towing light, and a sternlight
D: Sidelights, a special flashing light, and a sternlight
45: INLAND ONLY You are overtaking another power-driven vessel
in a narrow channel, and you wish to overtake on the other
vessel's port side. You will sound a whistle signal of
_______.
A: one short blast
B: two short blasts
C: two prolonged blasts followed by one short blast
D: two prolonged blasts followed by two short blasts
46: INLAND ONLY At night, a barge moored in a slip used
primarily for mooring purposes shall ___________________.
A: not be required to be lighted
B: show a white light at each corner
C: show a red light at the bow and stern
D: show a flashing yellow light at each corner
47: INLAND ONLY A flashing blue light is used to identify
_____________________.
A: law enforcement vessels
B: U.S. submarines
C: air-cushion vessels in the nondisplacement mode
D: dredge pipelines on trestles
48: INLAND ONLY Which statement is TRUE concerning the fog
signal of a vessel 15 meters in length anchored in a
"special anchorage area" approved by the Secretary of
Transportation?
A: The vessel is not required to sound a fog signal.
B: The vessel shall ring a bell for 5 seconds every minute.
C: The vessel shall sound one blast of the foghorn every 2
minutes.
D: The vessel shall sound three blasts on the whistle every 2
49: INLAND ONLY A power-driven vessel, when leaving a dock or
berth, is required to sound _____.
A: four short blasts
B: one long blast
C: one prolonged blast
D: No signal is required.
50: INLAND ONLY Vessels "A" and "B" are meeting on a river as
shown in DIAGRAM 29, and will pass about 1/4 mile apart.
Which statement is TRUE?
A: Both vessels should continue on course and pass without
sounding any whistle signals.
B: The vessels should exchange two blast whistle signals and
pass port to port.
C: The vessels should exchange two blast whistle signals and
pass starboard to starboard.
D: The vessels should pass port to port and must sound whistle
51: INLAND ONLY Which statement is TRUE concerning the Inland
Navigation Rules?
A: They list requirements for Traffic Separation Schemes.
B: They define moderate speed.
C: They require communication by radiotelephone to reach a
passing agreement.
D: All of the above
52: INLAND ONLY Whistle signals shall be exchanged by vessels
in sight of one another when _____.
A: they are passing within half a mile of each other
B: passing agreements have been made by radio
C: course changes are necessary to pass
D: doubt exists as to which side the vessels will pass on
53: INLAND ONLY You are on vessel "A" and vessel "B" desires to
overtake you on the starboard side as shown in DIAGRAM 38.
After the vessels have exchanged one blast signals you
should _____.
A: alter course to the left
B: slow your vessel until vessel "B" has passed
C: hold course and speed
D: alter course to the left or right to give vessel "B" more
54: INLAND ONLY A barge more than 50 meters long would be
required to show how many white anchor lights when anchored
in a Secretary of Transportation approved "special anchorage
area"?
55: INLAND ONLY The lights illustrated in DIAGRAM 75 are those
of a _________________.
A: pipeline
B: vessel towing by pushing ahead
C: vessel being towed astern
D: vessel underway and dredging
56: INLAND ONLY Your vessel must remain in a narrow channel for
safe operation. Another vessel is crossing the channel
from your starboard. You do not think she will pass safely.
You MUST ____________.
A: stop your vessel, since the other vessel has the right of
way
B: sound one short blast of the whistle, and turn to starboard
C: sound the danger signal
D: stop your engines, and you may sound the danger signal
57: INLAND ONLY While underway during the day you sight a small
motorboat showing a flashing blue light. The blue light
indicates a __________________.
A: law enforcement boat
B: boat involved in a race
C: Coast Guard Auxiliary Vessel on regatta patrol
D: rescue boat
58: INLAND ONLY While underway, you sight the lights illustrated
in DIAGRAM 81, with the yellow lights flashing. You should
_____________________.
A: wait until the vessel ahead crosses your bow
B: stop until the red lights turn green
C: proceed leaving all the lights on your starboard side
D: pass between the two sets of vertical red lights
59: INLAND ONLY When power-driven vessels are in a crossing
situation, one short blast by either vessel would mean ____.
A: "I intend to leave you on my port side"
B: "I intend to hold course and speed"
C: "I intend to change course to starboard"
D: "I request a departure from the rules"
60: INLAND ONLY Two vessels are meeting on a clear day and will
pass less than half a mile apart. In this situation whistle
signals ___________________.
A: must be exchanged
B: may be exchanged
C: must be exchanged if passing agreements have not been made
by radio
D: must be exchanged only if course changes are necessary by
61: INLAND ONLY Your power-driven vessel is overtaking another
vessel in a narrow channel. You wish to overtake her on her
starboard side. You should sound a whistle signal of _____.
A: one short blast
B: two prolonged blasts followed by one short blast
C: one prolonged and one short blast
D: at least five short blasts
62: INLAND ONLY Which is TRUE of a vessel downbound with a
following current when meeting an upbound vessel on the
Western Rivers?
A: She has the right-of-way only if she is a power-driven
vessel.
B: She has the right-of-way only if she has a tow.
C: She does not have the right-of-way, since the other vessel
is not crossing the river.
D: She must wait for a whistle signal from the upbound vessel.
63: INLAND ONLY A vessel of less than 20 meters in length at
anchor at night in a "special anchorage area designated by
the Secretary" _____.
A: must show one white light
B: need not show any lights
C: must show two white lights
D: need show a light only on the approach of another vessel
64: INLAND ONLY At night, which lights are required on barges
moored in group formation at a bank of a river?
A: A white light placed at the corners farthest from the bank
on each of the upstream and downstream ends of the group.
B: A white light placed at the corners farthest from the bank
of each barge in the group.
C: A flashing yellow light placed at each of the upstream and
downstream ends of the group.
D: Two red lights in a vertical line placed at the corners
65: INLAND ONLY A vessel intends to overtake another vessel on
the overtaken vessel's port side. Which whistle signal
should be sounded in order to state this intention?
A: 1 short blast
B: 2 short blasts
C: 2 prolonged and 1 short blasts
D: 2 prolonged and 2 short blasts
66: INLAND ONLY A towing vessel pushing ahead on the Western
Rivers above the Huey P. Long bridge must show _________.
A: sidelights only
B: sidelights and towing lights
C: sidelights, towing lights, and two masthead lights
D: sidelights, towing lights, and three masthead lights
67: INLAND ONLY A power-driven vessel, when leaving a dock or
berth, is required to sound _____________________.
A: two short blasts
B: one long blast
C: one prolonged blast
D: the danger signal
68: INLAND ONLY Which is CORRECT regarding a "special flashing
light?"
A: It must be yellow in color.
B: It must be placed as far forward as possible.
C: It must not show through an arc of more than 225ø.
D: All of the above
69: INLAND ONLY For the purpose of the Inland Navigation Rules,
the term "Inland Waters" includes _________________.
A: the Western Rivers, extending to the COLREGS demarcation
line
B: harbors and rivers to the outermost aids to navigation
C: waters along the coast of the United States to a distance of
two miles offshore
D: None of the above
70: INLAND ONLY Vessels "A" and "B" are meeting in a narrow
channel as shown in DIAGRAM 29. Which statement is TRUE
concerning whistle signals between the vessels?
A: Both vessels should sound two short blasts.
B: Both vessels should sound one short blast.
C: Vessel "A" should sound one short blast and vessel "B"
should sound two short blasts.
D: Neither vessel should sound any signal as no course change
71: INLAND ONLY Which is TRUE of a power-driven vessel, bound
downstream, when meeting an upbound vessel on the Western
Rivers?
A: She has the right-of-way.
B: She shall propose the manner of passage.
C: She shall initiate maneuvering signals.
D: All of the above
72: INLAND ONLY You are approaching a vessel showing the lights
shown in DIAGRAM 75. This is a(n) ___________________.
A: meeting head-on situation
B: crossing situation
C: overtaking situation
D: special circumstance situation
73: INLAND ONLY You are overtaking a vessel in a narrow channel
and wish to leave her on your starboard side. You may
________________________.
A: sound one short blast
B: sound four short blasts
C: overtake her without sounding whistle signals
D: attempt to contact her on the radiotelephone to arrange for
74: INLAND ONLY Which term is NOT used in the Inland
Navigation Rules?
A: A vessel engaged in mineclearing operations
B: A vessel constrained by her draft
C: A vessel towing
D: A vessel engaged in fishing
75: INLAND ONLY You are on vessel "A", and vessel "B" desires to
overtake you on your starboard side as shown in DIAGRAM 31.
After the vessels have exchanged one blast signals, you
should _______________________.
A: alter course to the left
B: slow your vessel until vessel "B" has passed
C: hold course and speed
D: alter course to the left to give vessel "B" more sea room
76: INLAND ONLY A special flashing light is used on a vessel(s)
___________________.
A: being pushed ahead
B: at anchor in a fairway
C: towed astern
D: All of the above
77: INLAND ONLY Vessels "A" and "B" are meeting on a river as
shown in DIAGRAM 41, and will pass about 1/4 mile apart.
What action should the vessels take?
A: Both vessels should continue on course and pass without
sounding any whistle signals.
B: The vessels should exchange two blast whistle signals and
pass starboard to starboard.
C: The vessels should exchange one blast whistle signals and
pass starboard to starboard.
D: The vessels should pass starboard to starboard and must
78: INLAND ONLY Under the Inland Navigation Rules, what is the
meaning of a one short blast signal used when meeting
another vessel?
A: "I am turning to starboard."
B: "I am turning to port."
C: "I intend to leave you on my starboard side."
D: "I intend to leave you on my port side."
79: INLAND ONLY On the Western Rivers, a vessel crossing a river
must _____.
A: only keep out of the way of a power-driven vessel descending
the river
B: keep out of the way of any vessel descending the river
C: keep out of the way of a power-driven vessel ascending or
descending the river
D: keep out of the way of any vessel ascending or descending
80: INLAND ONLY While underway at night, you see two yellow
lights displayed in a vertical line. This should indicate
to you a(n) _______________________.
A: opening in a pipeline
B: vessel broken down
C: vessel pushing ahead
D: vessel fishing
81: INLAND ONLY When two power-driven vessels are meeting on the
Great Lakes, Western Rivers, or waters specified by the
Secretary, where there is a current, which vessel shall
sound the first passing signal?
A: The vessel going upstream stemming the current
B: The vessel downbound with a following current
C: The vessel that is towing regardless of the current
D: Either vessel
82: INLAND ONLY A vessel leaving a dock or berth must sound a
prolonged blast of the whistle only if ____________________.
A: other vessels can be seen approaching
B: she is a power-driven vessel
C: visibility is restricted
D: her engines are going astern
83: INLAND ONLY If your tug is pushing a barge ahead at night,
which light(s) should show aft on your vessel?
A: A white sternlight
B: Two red lights
C: Two towing lights
D: A towing light over the sternlight
84: INLAND ONLY You are in charge of a power-driven vessel
crossing a river on the Western Rivers. You must keep out
of the way of a _____.
A: sail vessel descending the river
B: power-driven vessel ascending the river
C: vessel restricted in her ability to maneuver crossing the
river
D: All of the above
85: INLAND ONLY A vessel crossing a river on the Great Lakes or
Western Rivers, must keep out of the way of a power-driven
vessel _____.
A: descending the river with a tow
B: ascending the river with a tow
C: ascending the river without a tow
D: All of the above
86: INLAND ONLY What is the whistle signal used to indicate a
power-driven vessel leaving a dock?
A: One short blast
B: Three short blasts
C: One prolonged blast
D: Three prolonged blasts
87: INLAND ONLY Which statement is TRUE concerning the light
used for maneuvering signals?
A: It must be synchronized with the whistle.
B: It may be white or yellow.
C: It must be an all-round light.
D: All of the above
88: INLAND ONLY Two power-driven vessels are meeting in the
situation shown in DIAGRAM 37. One short blast by vessel
"A" means _______________________.
A: "I am altering my course to starboard"
B: "I intend to leave you on my port side"
C: "My intention is to hold course and speed"
D: "I intend to pass on your starboard side"
89: INLAND ONLY Your vessel must stay within a narrow channel
to be navigated safely. Another vessel is crossing your
course from starboard to port. You do NOT think she will
pass safely. You ______________________________.
A: may sound the danger signal
B: must sound the danger signal
C: should sound one short blast to indicate that you are
holding course and speed
D: are required to back down
90: INLAND ONLY Two vessels are in a starboard to starboard
meeting situation and will pass well clear approximately
1/4 mile apart. Which action should each vessel take?
A: Sound a one blast whistle signal and turn to starboard.
B: Maintain course and sound no signal.
C: Sound a two blast whistle signal and maintain course.
D: Sound a three blast whistle signal and turn to port.
91: BOTH INTERNATIONAL & INLAND Which of the dayshapes shown
would you show on the after end of an inconspicuous
partially submerged vessel or object being towed over 200
meters in length?
A: A
B: B
C: C
D: No dayshape would be shown.
92: INLAND ONLY A power-driven vessel pushing ahead or towing
alongside on the Mississippi River, below the Huey P. Long
Bridge, shall carry ______________.
A: two masthead lights, sidelights and sternlight
B: two masthead lights, sidelights and two towing lights
C: sidelights and two towing lights
D: one masthead light, sidelights and sternlight
93: INLAND ONLY While underway in a harbor you hear a vessel
sound a prolonged blast. This signal indicates that this
vessel _____________.
A: desires to overtake your vessel
B: is at anchor
C: is backing her engines
D: is moving from a dock
94: INLAND ONLY You are overtaking another vessel and sound a
whistle signal indicating that you intend to pass the vessel
along her starboard side. If the other vessel answers your
signal with five short and rapid blasts, you should _______.
A: not overtake the other vessel until both vessels exchange
the same passing signal
B: not overtake the other vessel until she sounds another five
short and rapid blast signal
C: pass the other vessel along her starboard side
D: sound five short and rapid blasts and pass along her
95: INLAND ONLY You are meeting another vessel in inland waters,
and she sounds one short blast on the whistle. This means
that she _____.
A: is changing course to starboard
B: is changing course to port
C: intends to leave you on her port side
D: desires to depart from the Rules
96: INLAND ONLY You are approaching a sharp bend in a river.
You have sounded a prolonged blast and it has been answered
by a vessel on the other side of the bend. Which statement
is TRUE?
A: Both vessels must exchange passing signals when in sight
and passing within one-half mile of each other.
B: No further whistle signals are necessary.
C: The vessel downriver must stop her engines and navigate with
caution.
D: Both vessels must immediately sound passing signals whether
97: INLAND ONLY Which statement is TRUE concerning a passing
agreement made by radiotelephone?
A: Such an agreement is prohibited by the Rules.
B: A vessel which has made such an agreement must also sound
whistle signals.
C: Whistle signals must still be exchanged when passing within
half a mile of each other.
D: If agreement is reached by radiotelephone, whistle signals
98: INLAND ONLY You are aboard the stand-on vessel in a crossing
situation. You sound a one blast whistle signal. The
give-way vessel answers with a two blast whistle signal.
You should sound the danger signal and _____.
A: maintain course and speed as you are the stand-on vessel
B: come around sharply to port
C: take precautionary action until a safe passing agreement is
made
D: maneuver around the stern of the other vessel
99: INLAND ONLY A power-driven vessel when pushing ahead or
towing alongside on the Western Rivers (above the Huey P.
Long Bridge on the Mississippi River) shall exhibit
_______________________.
A: two masthead lights, sidelights, and sternlight
B: two masthead lights, sidelights, and two towing lights
C: sidelights and two towing lights
D: one masthead light, sidelights, and sternlight
100: INLAND ONLY Only law enforcement vessels are permitted to
show ___________________.
A: two red lights in a vertical line
B: a flashing yellow light
C: an alternately flashing red and yellow light
D: a flashing blue light
101: INLAND ONLY You are overtaking another vessel in a narrow
channel. The other vessel will have to move to allow you to
pass. You wish to overtake the other vessel on her
starboard side. Your first whistle signal should be
_______________________.
A: one short blast
B: two short blasts
C: two prolonged blasts followed by one short blast
D: two prolonged blasts followed by two short blasts
102: BOTH INTERNATIONAL & INLAND Which of the dayshapes shown
must you show when at anchor?
103: INLAND ONLY Which light display would mark the opening in a
pipeline where vessels could pass through?
A: Three red lights in a vertical line on each side of the
opening
B: Two red lights in a vertical line on each side of the
opening
C: Three white lights in a vertical line on each side of the
opening
D: Two white lights in a vertical line on each side of the
104: INLAND ONLY Which light(s) shall be shown at night on a
moored barge which reduces the navigable width of any
channel to less than 80 meters?
A: A white light placed on the two corners farthest from the
bank
B: Two yellow lights in a vertical line at the stern
C: A red light placed on all four corners
D: A red light placed on the two corners farthest from the bank
105: INLAND ONLY You are overtaking another vessel in a narrow
channel. The other vessel will have to move to allow you to
pass. You wish to overtake the other vessel and leave her
on your starboard side. Your FIRST whistle signal should be
______________________.
A: one short blast
B: two short blasts
C: two prolonged blasts followed by one short blast
D: two prolonged blasts followed by two short blasts
106: INLAND ONLY You are overtaking another vessel and sound a
whistle signal indicating that you intend to pass the vessel
along her starboard side. If the other vessel answers your
signal with five short and rapid blasts, you should _______.
A: pass the other vessel along her starboard side
B: sound five short and rapid blasts and pass along her
starboard side
C: not overtake the other vessel until both vessels exchange
the same passing signal
D: not overtake the other vessel until she sounds another five
107: INLAND ONLY A power-driven vessel intends to overtake
another power-driven vessel on the overtaken vessel's port
side. What whistle signal should be sounded in order to
state this intention?
A: 1 prolonged and 1 short blast
B: 1 short blast
C: 2 prolonged and 2 short blasts
D: 2 short blasts
108: INLAND ONLY You are overtaking another vessel in a narrow
channel. The other vessel will have to move to allow you to
pass. You wish to overtake the other vessel and leave her
on your starboard side. Your first whistle signal should be
___________________.
A: two prolonged blasts followed by one short blast
B: two prolonged blasts followed by two short blasts
C: one short blast
D: two short blasts
109: INLAND ONLY You are underway on vessel "A" and desire to
overtake vessel "B" as shown in DIAGRAM 17. After you sound
two short blasts on your whistle, vessel "B" sounds five
short rapid blasts on the whistle. You should ____________.
A: alter course to starboard and pass on the starboard side of
"B"
B: keep sounding passing signals until the same signal is
received from vessel "B"
C: answer the five short blast signal then pass on the port
side
D: pass with caution on the port side of vessel "B"
110: INLAND ONLY Which statement is TRUE concerning the fog
signal of a vessel 25 meters in length anchored in a
"special anchorage area" approved by the Secretary of
Transportation?
A: The vessel is not required to sound a fog signal.
B: The vessel shall ring a bell for 5 seconds every minute.
C: The vessel shall sound one blast of the whistle every 2
minutes.
D: The vessel shall sound three blasts on the whistle every 2
111: INLAND ONLY Which light display marks the opening in a
pipeline where vessels could pass through?
A: Two red lights in a vertical line on each side of the
opening
B: Three red lights in a vertical line on each side of the
opening
C: Two yellow lights in a vertical line on each side of the
opening
D: Three white lights in a vertical line on each side of the
112: INLAND ONLY While underway, you sight the lights illustrated
in DIAGRAM 81, with the yellow lights flashing. You should
________________.
A: wait until the vessel ahead crosses your bow
B: stop until the red lights turn green
C: pass between the two sets of vertical red lights
D: proceed, leaving all the lights on your starboard side
113: INLAND ONLY At night, a barge moored in a slip used
primarily for mooring purposes shall _____________________.
A: show a flashing yellow light at each corner
B: show a white light at each corner
C: show a red light at the bow and stern
D: not be required to be lighted
114: INLAND ONLY At night, what lights are required on barges
moored in a group formation at a river bank?
A: A flashing yellow light placed at each of the upstream and
downstream ends of the group
B: A white light placed at the corners farthest from the bank
of each barge in the group
C: A white light placed at the corners farthest from the bank
on each of the upstream and downstream ends of the group
D: Two red lights in a vertical line placed at the corners
115: INLAND ONLY What is true of a "special flashing light"?
A: It may show through an arc of 180ø.
B: It flashes at the rate of 120 flashes per minute.
C: It is optional below the Baton Rouge Highway Bridge.
D: All of the above
116: BOTH INTERNATIONAL & INLAND You are on a 30-meter fishing
vessel. Which day shape must you show while engaged in
fishing?
117: INLAND ONLY Which is a characteristic of a "special
flashing light"?
A: It is required for all vessels being pushed ahead as
part of a composite unit.
B: It must show through an arc of not less than 180ø nor more
than 225ø.
C: It must be of the same character and construction as the
masthead light.
D: All of the above
118: BOTH INTERNATIONAL & INLAND You are on a vessel engaged in
fishing, other than trawling, and have gear extending more
than 150 meters horizontally from the vessel. Which
dayshape must you show in the direction of the
outlying gear?
119: INLAND ONLY What MAY be used to indicate the presence of a
partly submerged object being towed?
A: A black cone, apex upward
B: Two all-round yellow lights at each end of the tow
C: The beam of a search light from the towing vessel shown in
the direction of the tow
D: All of the above
120: INLAND ONLY What shall be used to indicate the presence of a
partly submerged object being towed?
A: A black cone, apex downward
B: An all-round white light at each end of the tow
C: A flare-up light
D: All of the above
122: INLAND ONLY A barge more than 50 meters long is required to
show how many white anchor lights when anchored in a
Secretary of Transportation approved "special anchorage
area?"
A: None
B: One
C: Two
D: One, on the near approach of another vessel
123: INLAND ONLY What is not contained in the Inland Navigation
Rules?
A: An inconspicuous, partly submerged object
B: Lights on pipelines
C: A vessel constrained by her draft
D: An air-cushion vessel
124: INLAND ONLY Which term is NOT defined in the Inland
Navigation Rules?
A: Towing light
B: Vessel constrained by her draft
C: In sight
D: Restricted visibility
125: INLAND ONLY Under the Inland Navigation Rules, the term
"Inland Waters" includes ________________.
A: any waters marked by U.S. aids to navigation
B: harbors and rivers to the outermost aids to navigation
C: waters along the coast of the United States to a distance
of two miles offshore
D: the Western Rivers, extending to the COLREGS demarcation
126: INLAND ONLY For the purpose of the Inland Navigation Rules,
the term "Inland Waters" includes ______________.
A: the waters surrounding any islands of the U.S.
B: the Great Lakes on the United States side of the boundary
C: the coastline of the United States, out to one mile
offshore
D: any lakes within state boundaries
127: INLAND ONLY You are on board the stand-on vessel in a
crossing situation. You sound a one blast whistle signal,
and the give-way vessel answers with a two-blast signal. You
should then sound the danger signal and _______________.
A: maintain course and speed
B: come around sharply to port
C: maneuver around the stern of the other vessel
D: stop and back your vessel if necessary until signals are
128: BOTH INTERNATIONAL & INLAND You are on a sailing vessel.
While under sail you decide to use your engine to assist
in propulsion. Which day signal would you show?
A: D
B: C
C: B
D: None of these day signals are correct.
129: INLAND ONLY You are proceeding in a channel in inland waters
and are meeting an outbound vessel. Your responsibilities
include _____.
A: keeping to that side of the channel which is on your
vessel's port side
B: exchanging whistle signals if passing within half a mile
C: stopping your vessel and letting the outbound vessel
initiate signals for passing
D: giving the outbound vessel the right of way
130: INLAND ONLY Your vessel must stay within a narrow channel to
be navigated safely. Another vessel is crossing your course
from starboard to port. You do NOT think she will pass
safely. You are required to ____________________.
A: slow to bare steerageway
B: back down
C: sound one short blast to indicate that you are holding
course and speed
D: sound the danger signal
131: INLAND ONLY You are navigating in a narrow channel and must
remain in the channel for safe operation. Another vessel is
crossing the channel ahead of you from your starboard. You
are doubtful of intention of the crossing vessel. You MUST
__________________.
A: stop your vessel, since the other vessel has the right
of way
B: sound the danger signal
C: contact him on the radiotelephone to make a passing
agreement
D: stop your engines until you have slowed to bare steerageway
132: INLAND ONLY Which statement is TRUE of a power-driven vessel
proceeding downbound with the current, when meeting an
upbound vessel on the Western Rivers?
A: She shall not impede the upbound vessel.
B: She shall pass on the port side of the other.
C: She shall propose the manner of passage.
D: All of the above
133: INLAND ONLY A power-driven vessel operating in a narrow
channel with a following current on the Great Lakes or
Western Rivers is meeting an upbound vessel. Which
statement is TRUE?
A: The downbound vessel has the right of way.
B: The upbound vessel must initiate the required maneuvering
signals.
C: The upbound vessel must propose the manner of passing.
D: All of the above
134: INLAND ONLY Which is TRUE of a vessel downbound with a
following current when meeting an upbound vessel on the
Western Rivers?
A: Neither vessel has the right-of-way.
B: She has the right-of-way only if she is power-driven.
C: She does not have the right-of-way, since the other vessel
is not crossing the river.
D: She must wait for a whistle signal from the upbound vessel.
135: BOTH INTERNATIONAL & INLAND You are on a 30-meter trawler.
Which day signal must you show while trawling?
A: A
B: B
C: C
D: None of these day signals are correct.
136: INLAND ONLY Yellow lights are NOT used to identify _______.
A: a dredge pipeline on a trestle
B: the heads of tows being pushed ahead by towboats
C: purse seiners
D: a seaplane on the water
137: INLAND ONLY A vessel displaying an alternating red and
yellow light is __________.
A: in distress
B: enforcing the law
C: engaged in public safety activities
D: restricted in its ability to maneuver
138: INLAND ONLY A law enforcement vessel patrolling a marine
regatta may show either a flashing blue light or ________.
A: two amber lights in a horizontal line
B: an alternately flashing red and yellow light
C: a high intensity flashing white light (strobe)
D: a fixed green light over a red flashing light
139: INTERNATIONAL ONLY Which dayshape must you show on the
forward end of an inconspicuous partially submerged
vessel or object more than 200 meters in length?
A: A
B: B
C: D
D: No dayshape must be shown.
140: INLAND ONLY You are the stand-on vessel in a crossing
situation. The other vessel is showing an alternating
red and yellow light. Which action should you take?
A: Stand on.
B: Heave to.
C: Alter course to assist.
D: Yield the right-of-way.
141: INLAND ONLY You are the stand-on vessel in an overtaking
situation. The other vessel is showing an alternately
flashing red-and-yellow light. What action should you take?
A: Alter course to assist
B: Give-way
C: Stand on
D: Heave to
142: INLAND ONLY The special light for a vessel engaged in public
safety activities must _____.
A: be on top of the mast or highest structure of the vessel
B: not interfere with the visibility of the navigation lights
C: be as far forward as possible
D: not be visible more than 22 1/2 degrees abaft the beam
143: INLAND ONLY A light used to signal passing intentions must
be an __________.
A: alternating red and yellow light
B: alternating white and yellow light
C: all-round white or yellow light
D: all-round white light only
144: INLAND ONLY A light used to signal passing intentions must
be an _______________________.
A: all-round yellow light only
B: all-round white light only
C: alternating red and yellow light
D: all-round white or yellow light
145: INLAND ONLY A light used to signal passing intentions must
be a(n) _____________________.
A: all-round white or yellow light
B: all-round yellow light only
C: all-round white light only
D: 225² white light only
146: INLAND ONLY What characteristic must a light have if used to
signal passing intentions?
A: It must be an all-round white light.
B: It must be an alternating blue and white light.
C: It must be either an all-round white or an all-round yellow
light.
D: It must be an alternating red and yellow light.
147: INLAND ONLY What characteristic must a light used to
indicate passing intentions have?
A: It must be an alternating red and yellow light.
B: It must be an all-round white light.
C: It must be an all-round yellow light.
D: It must be either an all-round white or an all-round yellow
148: INLAND ONLY In a narrow channel, you are underway on vessel
"A" and desire to overtake vessel "B". After you sound two
short blasts on your whistle, vessel "B" sounds five short
and rapid blasts on the whistle. You should _______.
A: pass with caution on the port side of vessel "B"
B: wait for the other vessel to initiate a signal
C: initiate another signal after the situation has stabilized
D: immediately answer with the danger signal, and then sound
149: INLAND ONLY A power-driven vessel pushing ahead or towing
alongside on the Mississippi River, above the Huey P. Long
Bridge, shall carry _________.
A: two masthead lights, sidelights, and sternlight
B: two masthead lights, sidelights, and two towing lights
C: sidelights and two towing lights
D: one masthead light, sidelights, and sternlight
150: INLAND ONLY A power-driven vessel, when leaving a dock or
berth, must sound what signal?
A: Three short blasts
B: A long blast
C: A prolonged blast
D: No signal is required.
151: BOTH INTERNATIONAL & INLAND Which vessel is indicated by
the day signal shown?
A: A dredge indicating the side with the obstruction
B: A fishing vessel with gear extending more than 150 meters
horizontally
C: A tug with a tow exceeding 200 meters which limits her
ability to maneuver
D: A vessel engaged in underwater operations with a diver down
152: BOTH INTERNATIONAL & INLAND The vessel showing the day
signal is ____________________.
A: A vessel engaged in mine clearance operations
B: A fishing vessel with gear extending more than 150 meters
horizontally
C: A trawler shooting nets in the direction indicated
D: A tug with a tow exceeding 200 meters unable to deviate
153: BOTH INTERNATIONAL & INLAND You are underway at night and
you sight the lights shown. You know these lights indicate
a _______________________________.
A: fishing vessel engaged in fishing
B: trawler dragging nets
C: sailing vessel
D: dredge at work
154: BOTH INTERNATIONAL & INLAND You are underway at night and
you sight the lights shown. You know these lights indicate
a ________________________.
A: sailing vessel
B: trawler dragging nets
C: vessel engaged in mine clearance
D: dredge at work
155: BOTH INTERNATIONAL & INLAND You are underway at night and
you sight the lights shown. You know these lights indicate
a(n) _________________________
A: sailing vessel
B: air cushion vessel operating in the non-displacement mode
C: submarine operating on the surface
D: vessel pushing a barge ahead
156: BOTH INTERNATIONAL & INLAND You are underway at night and
you sight the lights shown. You know these lights indicate
a(n) _________________________
A: vessel towing astern
B: sailing vessel
C: submarine operating on the surface
D: vessel pushing a barge ahead
157: BOTH INTERNATIONAL & INLAND The lights shown are exhibited
by a vessel __________________________.
A: restricted in her ability to maneuver
B: engaged in fishing
C: not under command
D: on pilotage duty
158: BOTH INTERNATIONAL & INLAND The lights shown are exhibited
by a vessel __________________________.
A: dredging while underway
B: not under command
C: engaged in trawling
D: engaged in mineclearance
159: BOTH INTERNATIONAL & INLAND The lights shown are exhibited
by a vessel __________________________.
A: submarine on the surface
B: air-cushion vessel in the non-displacement mode
C: vessel engaged in trawling
D: vessel not under command
160: BOTH INTERNATIONAL & INLAND The lights shown are exhibited
by a vessel __________________________.
A: vessel not under command
B: air-cushion vessel in the non-displacement mode
C: vessel engaged in fishing
D: vessel engaged in underwater operations
161: BOTH INTERNATIONAL & INLAND You are on a vessel heading due
south and see the lights shown one point on the port bow.
This vessel could be heading ____________________.
162: BOTH INTERNATIONAL & INLAND You are on a vessel heading due
south and see the lights shown one point on the port bow.
This vessel could be heading ____________________.
163: INLAND ONLY A commercial vessel engaged in public safety
activities may display a(n) _________________.
A: flashing yellow light
B: flashing blue light
C: alternately flashing blue and red light
D: alternately flashing red and yellow light
164: BOTH INTERNATIONAL & INLAND You are on a vessel heading due
south and see the lights shown one point on your port bow.
This vessel could be heading ____________________.
165: BOTH INTERNATIONAL & INLAND You are on a vessel heading due
south and see the lights shown one point on your port bow.
This vessel could be heading ____________________.
166: BOTH INTERNATIONAL & INLAND You are on a vessel heading due
north and see the lights shown one point on your port bow.
This vessel could be heading ____________________.
167: BOTH INTERNATIONAL & INLAND You are on a vessel heading due
north and see the lights shown one point on your port bow.
This vessel could be heading ____________________.
168: BOTH INTERNATIONAL & INLAND You are on a vessel heading due
north and see the lights shown one point on your port bow.
This vessel could be heading ____________________.
169: BOTH INTERNATIONAL & INLAND You are on a vessel heading due
north and see the lights shown one point on your port bow.
This vessel could be heading ____________________.
170: BOTH INTERNATIONAL & INLAND You are on a vessel and see
ahead the lights shown. They indicate a ________________.
A: vessel crossing from your starboard
B: vessel crossing from your port
C: vessel being overtaken
D: vessel meeting head-on
171: BOTH INTERNATIONAL & INLAND You are on a vessel and see
ahead the lights shown. They indicate a ________________.
A: vessel being overtaken
B: vessel meeting head-on
C: vessel crossing from your starboard
D: vessel crossing from your port
172: BOTH INTERNATIONAL & INLAND You are on watch and sight a
vessel showing only these lights. They indicate a _______.
A: sailing vessel
B: vessel engage in trawling
C: power-driven vessel
D: mineclearance vessel
173: BOTH INTERNATIONAL & INLAND You are on watch and sight a
vessel showing only these lights. They indicate a _______.
A: submarine on the surface
B: power-driven vessel
C: sailing vessel
D: vessel enagaged in trawling
174: BOTH INTERNATIONAL & INLAND You see the display of lights
shown. They could indicate a vessel ________________.
A: under sail and power
B: dredging while underway
C: fishing with nets extending more than 150 meters
D: power-driven and approaching head-on
175: BOTH INTERNATIONAL & INLAND You see the display of lights
shown. They indicate a vessel ________________.
A: trawling
B: approaching head-on
C: fishing with nets extending more than 150 meters
D: dredging
176: BOTH INTERNATIONAL & INLAND You see the display of lights
shown. This could indicate a ___________________.
A: 40-meter tug with tow exceeding 200 meters
B: tug unable to maneuver as required by the Rules
C: range marking a channel beneath a drawbridge
D: 60-meter tug pushing a barge ahead
177: BOTH INTERNATIONAL & INLAND You see the display of lights
shown. This could indicate a ___________________.
A: 35-meter tug towing more than one barge astern
B: dredge restricted in its ability to maneuver
C: 55-meter tug towing astern, length of tow exceeds 200 meters
D: 65-meter tug towing astern, length of tow 150 meters
178: BOTH INTERNATIONAL & INLAND Which display of lights shown
indicates a 65-meter tug towing a barge astern, lenth of tow
120 meters?
179: BOTH INTERNATIONAL & INLAND Which display of lights shown
indicates a dredge underway and not dredging?
180: BOTH INTERNATIONAL & INLAND At night, you see the display
of lights shown. They indicate a(n) _________________.
A: sailing vessel
B: 8-meter power-driven vessel
C: vessel not under command
D: 12-meter fishing vessel
181: BOTH INTERNATIONAL & INLAND At night, you see the display
of lights shown. They indicate a(n) _______________.
A: sailing vessel
B: 8-meter power-driven vessel
C: vessel not under command
D: 12-meter fishing vessel
182: BOTH INTERNATIONAL & INLAND At night, you see the display
of lights shown. They indicate a(n) _______________.
A: vessel under oars
B: sailing vessel
C: law enforcement vessel
D: air-cushion vessel
183: BOTH INTERNATIONAL & INLAND Which vessel must show an after
masthead light, if over 50 meters in length?
A: A vessel engaged in fishing
B: A vessel at anchor
C: A vessel not under command
D: A vessel trawling
184: BOTH INTERNATIONAL & INLAND You see the display of lights
shown. This indicates a vessel engaged __________________.
A: in fishing at anchor
B: in fishing underway but not making way
C: in fishing making way
D: on pilotage duty making way
185: BOTH INTERNATIONAL & INLAND You see the display of lights
shown. It could be a __________________.
A: pilot vessel with a motor launch alongside
B: fishing vessel adrift and fishing with handlines
C: fishing vessel at anchor
D: fishing vessel with outlying gear more than 150 meters
186: BOTH INTERNATIONAL & INLAND You see the display of lights
shown. It could be a __________________.
A: pilot vessel with a motor launch alongside
B: fishing vessel adrift and fishing with handlines
C: fishing vessel making way
D: dredge making way
188: INTERNATIONAL ONLY Yellow lights are NOT shown
by____________________.
A: towing vessels pushing ahead
B: air cushion vessels in a nondisplacement mode
C: purse seiners
D: U.S. submarines
216: INLAND ONLY Signals shall be sounded by a power-driven
vessel intending to overtake _____.
A: any vessel when within half a mile of that vessel
B: another power-driven vessel when both power-driven vessels
are in sight of one another
C: any vessel when both are in sight of one another
D: another power-driven vessel only when within half a mile of
217: INLAND ONLY You see the lights in DIAGRAM 66. There is
a flashing yellow light just above the left-hand set of
sidelights. This is a _____.
A: air cushion vessel operating in the nondisplacement mode
B: vessel towing astern and her tow
C: vessel engaged in public safety activities
D: vessel pushing ahead and her tow
218: INLAND ONLY Your tug is pushing a barge ahead at
night. What light(s) should show aft on your vessel?
A: The light(s) in Diagram 60.
B: The light(s) in Diagram 75.
C: The light(s) in Diagram 46.
D: The light(s) in Diagram 70.
219: INLAND ONLY You are proceeding up a channel in Chesapeake
Bay and are meeting an outbound vessel. There is no
current. You MUST _______________.
A: keep to that side of the channel which is on your
vessel's port side
B: stop your vessel, letting the outbound vessel sound
the signals for meeting and passing
C: propose or answer one- or two-blast whistle signals given
by the other vessel when passing within 1/2 mile
D: give the outbound vessel the right-of-way
220: INLAND ONLY Your vessel is meeting another vessel head-on.
To comply with the rules, you should exchange ______.
A: one short blast, alter course to the left, and pass
starboard to starboard
B: two short blasts, alter course to the left, and pass
starboard to starboard
C: one short blast, alter course to the right, and pass port to
port
D: two short blasts, alter course to the right, and pass port
221: INLAND ONLY A barge more than 50 meters long would be
required to show how many white anchor lights when anchored
in a Secretary of Transportation approved "special anchorage
area"?
222: INLAND ONLY A barge more than 50 meters long, at anchor in
a "special anchorage area designated by the Secretary",
is required to show how many white anchor lights?
223: INLAND ONLY A barge more than 50 meters long, at anchor in
a "special anchorage area designated by the Secretary",
is required to show how many white anchor lights?
A: Two
B: One
C: One, on the near approach of another vessel
D: None
224: INLAND ONLY A barge more than 50 meters long, at anchor in
a "special anchorage area designated by the Secretary",
is required to show how many white anchor lights?
A: None
B: Two
C: One
D: One, on the near approach of another vessel
225: INLAND ONLY A barge more than 50 meters long, at anchor in
a"special anchorage area designated by the Secretary",
isrequired to show how many white anchor lights?
A: One
B: None
C: One, on the near approach of another vessel
D: Two
226: INLAND ONLY While underway and in sight of another vessel
a mile ahead you put your engines on astern propulsion.
Which statement concerning whistle signals is TRUE?
A: You must sound three short blasts on the whistle.
B: You must sound one blast if backing to starboard.
C: You must sound whistle signals only if the vessels
are meeting.
D: You need not sound any whistle signals.
227: INLAND ONLY A commercial vessel engaged in public safety
activities may display a(n) _______________.
A: alternately flashing red and yellow light
B: flashing blue light
C: flashing yellow light
D: alternately flashing blue and red light
228: INLAND ONLY A vessel engaged in public safety activities
maydisplay an alternately flashing red and yellow light.
Thisspecial light may be used by a vessel engaged in
__________.
A: law enforcement
B: patrolling a regatta
C: hauling in pairs
D: river bank protection
259: BOTH INTERNATIONAL & INLAND Barges being towed at night
must exhibit navigation lights _______________.
A: at all times
B: only if manned
C: only if towed astern
D: Need not be lighted
260: INLAND ONLY A vessel engaged in public safety activities may
display an alternately flashing red and yellow light. This
special light may be used by a vessel engaged in __________.
A: search and rescue
B: restricted in ability to maneuver
C: not under command
D: river bank protection
261: INLAND ONLY While underway and in sight of another vessel
more than .5 mile away, you put your engines full speed
astern. Which statement concerning whistle signals is TRUE?
A: You must sound three short blasts on the whistle.
B: You must sound one blast if backing to starboard.
C: You must sound whistle signals only if the vessels
are meeting.
D: You need not sound any whistle signals.
262: INLAND ONLY When power-driven vessels are in sight of one
another, passing signals shall be sounded when _____.
A: meeting or crossing within half a mile of each other
B: meeting within one mile of each other
C: meeting or crossing at any distance
D: crossing within one mile of each other
263: 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?
A: 42.5 feet (12.9 meters)
B: 51.0 feet (15.5 meters)
C: 59.5 feet (18.0 meters)
D: 60.4 feet (18.4 meters)
352: INLAND ONLY A commercial vessel engaged in public safety
activities may display a(n) _________________.
A: flashing blue light
B: alternately flashing red and yellow light
C: flashing yellow light
D: alternately flashing blue and red light
727: INLAND ONLY Maneuvering signals shall be sounded on
inland waters by _____.
A: all vessels when meeting, crossing, or overtaking and
in sight of one another
B: all vessels meeting or crossing at a distance within half
a mile of each other and not in sight of one another
C: power-driven vessels overtaking and in sight of one another
D: power-driven vessels crossing at a distance within half
728: INLAND ONLY A vessel engaged in public safety activities may
display an alternately flashing red and yellow light. This
special light may be used by a vessel engaged in __________.
A: river bank protection
B: conducting submarine operations
C: firefighting
D: law enforcement
821: INLAND ONLY One and two short blast signals must be
sounded on inland waters when ______.
A: two sailing vessels are in sight of one another and
meeting at a distance of one quarter mile
B: two power-driven vessels are in sight of one another
and will cross at a distance of one mile
C: two power-driven vessels are crossing within half a mile
of each other and NOT in sight of each other
D: Two power-driven vessel are in sight of one another and are
1000: BOTH INTERNATIONAL & INLAND You hear the fog signal of
another vessel forward of your beam. Risk of collision may
exist. You MUST _____.
A: begin a radar plot
B: stop your engines
C: take all way off, if necessary
D: All of the above
3683: BOTH INTERNATIONAL & INLAND The rules require that a
stand-on vessel SHALL take action to avoid collision when
she determines that _____.
A: risk of collision exists
B: the other vessel will cross ahead of her
C: the other vessel is not taking appropriate action
D: collision cannot be avoided by the give-way vessel's
4000: BOTH INTERNATIONAL & INLAND Your vessel is 75 meters in
length and restricted in her ability to maneuver.
Visibility is restricted. What signal do you sound if you
are carrying out your work at anchor?
A: Five seconds ringing of a bell at intervals of not more than
one minute
B: One prolonged blast followed by two short blasts on the
whistle at intervals of not more than two minutes
C: Five seconds ringing of a bell and five second sounding of a
gong at intervals of not more than one minute
D: Four short blasts on the whistle at intervals of not more
4002: BOTH INTERNATIONAL & INLAND While underway in fog, you hear
a prolonged blast from another vessel. This signal
indicates a _________________.
A: sailboat underway
B: vessel underway, towing
C: power-driven vessel underway, making way
D: vessel being towed
4003: BOTH INTERNATIONAL & INLAND What is used to show the
presence of a partly submerged object being towed?
A: A diamond shape on the towed object
B: An all-round light at each end of the towed object
C: A searchlight from the towing vessel in the direction of the
tow
D: All of the above
4004: BOTH INTERNATIONAL & INLAND At night, a barge being towed
astern must display ___________________.
A: red and green sidelights only
B: a white sternlight only
C: sidelights and a sternlight
D: one all-round white light
4005: BOTH INTERNATIONAL & INLAND Which signal is recognized as
a distress signal?
A: Directing the beam of a searchlight at another vessel
B: A smoke signal giving off orange colored smoke
C: A whistle signal of one prolonged and three short blasts
D: International Code Signal "PAN" spoken over
4006: BOTH INTERNATIONAL & INLAND Your vessel is approaching a
bend. You hear a prolonged blast from around the bend. You
should _________________.
A: back your engines
B: stop your engines and drift
C: answer with one prolonged blast
D: sound the danger signal
4007: BOTH INTERNATIONAL & INLAND If you do NOT understand the
course or intention of an approaching vessel you should
sound __________________.
A: one short blast
B: one prolonged blast
C: not less than five short blasts
D: not less than five prolonged blasts
4008: BOTH INTERNATIONAL & INLAND If you are the stand-on vessel
in a crossing situation, you may take action to avoid
collision by your maneuver alone. When may this action be
taken?
A: At any time you feel it is appropriate
B: Only when you have reached extremis
C: When you determine that your present course will cross ahead
of the other vessel
D: When it becomes apparent to you that the give-way vessel is
4009: BOTH INTERNATIONAL & INLAND Your 15-meter tug is underway
and crossing a deep and narrow channel. A large container
vessel is off your port bow on a steady bearing. Which
statement is TRUE concerning this situation?
A: You should maintain course and speed.
B: The container vessel is the stand-on as it is the
larger vessel.
C: You are not to impede the safe passage of the container
vessel in the channel.
D: None of the above
4010: BOTH INTERNATIONAL & INLAND If your vessel is underway in
fog and you hear one prolonged and three short blasts, this
is a _____________________.
A: vessel not under command
B: sailing vessel
C: vessel being towed (manned)
D: vessel being towed (unmanned)
4011: BOTH INTERNATIONAL & INLAND A pilot vessel on pilotage duty
at night will show sidelights and a sternlight ___________.
A: when at anchor
B: only when making way
C: at any time when underway
D: only when the identifying lights are not being shown
4012: BOTH INTERNATIONAL & INLAND A vessel which displays the day
signal as shown in DIAGRAM 6 is engaged in ________________.
A: submarine cable laying
B: pilotage duty
C: fishing
D: mineclearance
4013: BOTH INTERNATIONAL & INLAND A vessel displaying the
dayshapes shown in DIAGRAM 11 is ___________________.
A: towing
B: conducting underwater operations
C: drifting
D: aground
4014: BOTH INTERNATIONAL & INLAND A power-driven vessel underway
in fog making NO way must sound what signal?
A: One long blast
B: Two prolonged blasts
C: One prolonged blast
D: One prolonged and two short blasts
4015: BOTH INTERNATIONAL & INLAND A 95-meter vessel aground
sounds which fog signal?
A: A rapid ringing of a bell for 5 seconds every two minutes
B: A whistle signal of one short, one prolonged, and one short
blast
C: A prolonged blast of the whistle at intervals not to exceed
one minute
D: A rapid ringing of a bell for 5 seconds, preceded and
4016: BOTH INTERNATIONAL & INLAND Which statement is TRUE
concerning a vessel equipped with operational radar?
A: She must use this equipment to obtain early warning of risk
of collision.
B: The radar equipment is only required to be used in
restricted visibility.
C: The use of a radar excuses a vessel from the need of a
look-out.
D: The safe speed of such a vessel will likely be greater than
4017: BOTH INTERNATIONAL & INLAND A 200-meter vessel is aground in
fog. Which signal is optional?
A: A bell signal
B: A gong signal
C: A whistle signal
D: All of the above
4018: BOTH INTERNATIONAL & INLAND Which is a distress signal?
A: A triangular flag above or below a ball
B: The International Code Signal of distress indicated by "JV"
C: A green smoke signal
D: Flames on the vessel as from a burning tar barrel
4020: BOTH INTERNATIONAL & INLAND A vessel must proceed at a safe
speed _____.
A: in restricted visibility
B: in congested waters
C: during darkness
D: at all times
4021: BOTH INTERNATIONAL & INLAND A light signal of three flashes
means _________________.
A: "I am in doubt as to your actions"
B: "My engines are full speed astern"
C: "I desire to overtake you"
D: "I am operating astern propulsion"
4022: BOTH INTERNATIONAL & INLAND A sailing vessel underway may
exhibit ___________________.
A: a red light over a green light at the masthead
B: a green light over a red light at the masthead
C: two white lights in a vertical line at the stern
D: an all-round white light at the bow
4023: BOTH INTERNATIONAL & INLAND A sailing vessel is overtaking a
tug and tow as shown in DIAGRAM 43. Which statement is
CORRECT?
A: The sailing vessel is the stand-on vessel because it is
overtaking.
B: The sailing vessel is the stand-on vessel because it is
under sail.
C: The tug is the stand-on vessel because it is being
overtaken.
D: The tug is the stand-on vessel because it is towing.
4024: BOTH INTERNATIONAL & INLAND The word "vessel", in the Rules,
includes _____.
A: sailing ships
B: nondisplacement craft
C: seaplanes
D: All of the above
4025: BOTH INTERNATIONAL & INLAND A sailing vessel with the wind
abaft the beam is navigating in fog. She should sound
____________________.
A: three short blasts
B: one prolonged blast
C: one prolonged and two short blasts
D: two prolonged blasts
4026: BOTH INTERNATIONAL & INLAND Which is a distress signal?
A: Firing of green star shells
B: Sounding 5 short blasts on the whistle
C: Answering a one blast whistle signal with two blasts
D: A flaming barrel of oil on deck
4027: BOTH INTERNATIONAL & INLAND If a towing vessel and her tow
are severely restricted in their ability to change course,
they may show lights in addition to their towing
identification lights. These additional lights may be shown
if the tow is ________________.
A: pushed ahead
B: towed alongside
C: towed astern
D: Any of the above
4028: BOTH INTERNATIONAL & INLAND If two sailing vessels are
running free with the wind on the same side, which one must
keep clear of the other?
A: The one with the wind closest abeam
B: The one with the wind closest astern
C: The one to leeward
D: The one to windward
4029: BOTH INTERNATIONAL & INLAND The masthead light may be
located at other than the fore and aft centerline of a
vessel _____.
A: less than 20 meters in length
B: less than 12 meters in length
C: which has separate sidelights carried on the outboard
extremes of the vessel's breadth
D: engaged in fishing
4030: BOTH INTERNATIONAL & INLAND The NAVIGATION RULES define a
"vessel not under command" as a vessel which ______________.
A: from the nature of her work is unable to keep out of the way
of another vessel
B: through some exceptional circumstance is unable to maneuver
as required by the rules
C: by taking action contrary to the rules has created a special
circumstance situation
D: is moored, aground or anchored in a fairway
4031: BOTH INTERNATIONAL & INLAND Additional light signals are
provided in the Annexes to the Rules for vessels __________.
A: engaged in fishing
B: not under command
C: engaged in towing
D: under sail
4032: BOTH INTERNATIONAL & INLAND Which vessel may combine her
sidelights and sternlight in one lantern on the fore and aft
centerline of the vessel?
A: A 16-meter sailing vessel
B: A 25-meter power-driven vessel
C: A 28-meter sailing vessel
D: Any non-self-propelled vessel
4033: BOTH INTERNATIONAL & INLAND The duration of a prolonged
blast of the whistle is __________________.
A: 2 to 4 seconds
B: 4 to 6 seconds
C: 6 to 8 seconds
D: 8 to 10 seconds
4034: BOTH INTERNATIONAL & INLAND A vessel "restricted in her
ability to maneuver" is one which _____.
A: from the nature of her work is unable to maneuver as
required by the rules
B: through some exceptional circumstance is unable to maneuver
as required by the rules
C: due to adverse weather conditions is unable to maneuver as
required by the rules
D: has lost steering and is unable to maneuver
4035: BOTH INTERNATIONAL & INLAND When underway in restricted
visibility, you might hear, at intervals of two minutes, any
of the following fog signals EXCEPT _________________.
A: one prolonged blast
B: two prolonged blasts
C: one prolonged and two short blasts
D: ringing of a bell for five seconds
4036: BOTH INTERNATIONAL & INLAND You are preparing to cross a
narrow channel. You see a vessel that can only be navigated
safely within the channel. You should ___________.
A: not cross the channel if you might impede the other vessel
B: initiate an exchange of passing signals
C: sound the danger signal
D: hold your course and speed
4038: BOTH INTERNATIONAL & INLAND A bell is used to sound a fog
signal for a _________________.
A: power-driven vessel underway
B: sailing vessel at anchor
C: vessel engaged in fishing
D: vessel not under command
4039: BOTH INTERNATIONAL & INLAND You see another vessel
approaching, and its compass bearing does not significantly
change. This would indicate that _____.
A: you are the stand-on vessel
B: risk of collision exists
C: a special circumstances situation exists
D: the other vessel is dead in the water
4040: BOTH INTERNATIONAL & INLAND Which of the dayshapes in
DIAGRAM 16 indicates a vessel with a tow exceeding 200
meters in length?
4041: BOTH INTERNATIONAL & INLAND What lights are required for a
single barge being towed alongside?
A: Sidelights and a sternlight
B: Sidelights, a special flashing light, and a sternlight
C: Sidelights and a special flashing light
D: Sidelights, a towing light, and a sternlight
4042: BOTH INTERNATIONAL & INLAND A towing vessel pushing a barge
ahead and rigidly connected in a composite unit shall show
the lights of _________________.
A: a vessel towing by pushing ahead
B: a power-driven vessel, not towing
C: a barge being pushed ahead
D: either answer A or answer B
4043: BOTH INTERNATIONAL & INLAND You are the watch officer on a
power-driven vessel and notice a large sailing vessel
approaching from astern. You should _____.
A: slow down
B: sound one short blast and change course to starboard
C: sound two short blasts and change course to port
D: hold your course and speed
4044: BOTH INTERNATIONAL & INLAND You see a vessel's green
sidelight bearing due east from you. The vessel might be
heading _____.
A: east (090ø)
B: northeast (045ø)
C: northwest (315ø)
D: southwest (225ø)
4045: BOTH INTERNATIONAL & INLAND A vessel shall be deemed to
be overtaking when she can see at night ________.
A: only the sternlight of the vessel
B: a sidelight and one masthead light of the vessel
C: only a sidelight of the vessel
D: any lights except the masthead lights of the vessel
4046: BOTH INTERNATIONAL & INLAND You are underway on vessel "A"
and sight vessel "B" which is a vessel underway and fishing.
Which statement is true? (see DIAGRAM 14)
A: Vessel "A" must keep out of the way of vessel "B" because
"B" is to port.
B: Vessel "A" must keep out of the way of vessel "B" because
"B" is fishing.
C: Vessel "B" must keep out of the way of vessel "A" because
"A" is to starboard.
D: In this case, both vessels are required by the Rules to keep
4047: BOTH INTERNATIONAL & INLAND A vessel trawling will display a
____________________.
A: red light over a white light
B: green light over a white light
C: yellow light over a red light
D: white light over a green light
4048: BOTH INTERNATIONAL & INLAND If it becomes necessary for a
stand-on vessel to take action to avoid collision, she
shall NOT, if possible, _____.
A: decrease speed
B: increase speed
C: turn to port for a vessel on her own port side
D: turn to starboard for a vessel on her own port side
4049: BOTH INTERNATIONAL & INLAND Your vessel is NOT making way,
but is not in any way disabled. Another vessel is
approaching you on your starboard beam. Which statement is
TRUE?
A: The other vessel must give way since your vessel is stopped.
B: Your vessel is the give-way vessel in a crossing situation.
C: You should be showing the lights or shapes for a vessel not
under command.
D: You should be showing the lights or shapes for a vessel
4050: BOTH INTERNATIONAL & INLAND A vessel under sail when also
being propelled by machinery shall show during daylight
hours a _______________________.
A: black diamond
B: black cone
C: black ball
D: basket
4051: BOTH INTERNATIONAL & INLAND The rules concerning lights
shall be complied with in all weathers from sunset to
sunrise. The lights _____.
A: shall be displayed in restricted visibility during daylight
hours
B: need not be displayed when no other vessels are in the area
C: shall be set at low power when used during daylight hours
D: need not be displayed by unmanned vessels
4052: BOTH INTERNATIONAL & INLAND The lights shown in DIAGRAM 44,
would be shown by a vessel which is _____.
A: aground
B: not under command and is dead in the water
C: not under command and is making way
D: laying or picking up navigation marks
4053: BOTH INTERNATIONAL & INLAND Two vessels meeting in a "head-
on" situation are directed by the Rules to ________________.
A: alter course to starboard and pass port to port
B: alter course to port and pass starboard to starboard
C: decide on which side the passage will occur by matching
whistle signals
D: slow to bare steerageway
4054: BOTH INTERNATIONAL & INLAND A vessel is "engaged in fishing"
when ___________________.
A: her gear extends more than 100 meters from the vessel
B: she is using any type of gear, other than lines
C: she is using fishing apparatus which restricts her
maneuverability
D: she has any fishing gear on board
4055: BOTH INTERNATIONAL & INLAND When shall the stand-on vessel
change course and speed?
A: The stand-on vessel may change course and speed at any time
as it has the right-of-way
B: After the give-way vessel sounds one blast in a crossing
situation
C: When action by the give-way vessel alone cannot prevent
collision
D: When the two vessels become less than half a mile apart
4056: BOTH INTERNATIONAL & INLAND A sailing vessel with the wind
abaft the beam is navigating in restricted visibility. She
should sound _________________.
A: three short blasts
B: one prolonged blast
C: one prolonged and two short blasts
D: two prolonged blasts
4057: BOTH INTERNATIONAL & INLAND You see a vessel displaying the
code flag "LIMA" below which is a red ball. The vessel is
_____.
A: trolling
B: getting ready to receive aircraft
C: aground
D: in distress
4058: BOTH INTERNATIONAL & INLAND Which factor is listed in the
Rules as one which must be taken into account when
determining safe speed?
A: The construction of the vessel
B: The maneuverability of the vessel
C: The experience of vessel personnel
D: All of the above must be taken into account.
4059: BOTH INTERNATIONAL & INLAND Which statement is TRUE
concerning seaplanes on the water?
A: A seaplane must show appropriate lights but need not exhibit
shapes.
B: A seaplane should exhibit the lights for a vessel
constrained by her draft.
C: In situations where a risk of collision exists, a seaplane
should always give way.
D: A seaplane on the water shall, in general, keep well clear
4060: BOTH INTERNATIONAL & INLAND A vessel approaching your vessel
from 235² relative is in what type of situation?
A: Meeting
B: Overtaking
C: Crossing
D: Passing
4061: BOTH INTERNATIONAL & INLAND Vessels "A" and "B" are crossing
as shown in DIAGRAM 26. Which statement is TRUE?
A: The vessels should pass starboard to starboard.
B: Vessel "B" should pass under the stern of vessel "A".
C: Vessel "B" should alter course to the right.
D: Vessel "A" must keep clear of vessel "B".
4062: BOTH INTERNATIONAL & INLAND You are in charge of a
power-driven vessel navigating at night. You sight the red
sidelight of another vessel on your port bow. The other
vessel's after masthead light is to the right of her forward
masthead light. You should _____.
A: hold course and speed
B: alter course to port
C: stop engines
D: sound the danger signal
4063: BOTH INTERNATIONAL & INLAND There are two classes of vessels
which, to the extent necessary to carry out their work, do
not have to comply with the rule regarding traffic
separation schemes. One of these is a vessel _____________.
A: engaged in fishing in a traffic lane
B: servicing a submarine cable
C: towing another
D: engaged on pilotage duty
4065: BOTH INTERNATIONAL & INLAND You are underway in fog when you
hear the rapid ringing of a bell for five seconds followed
by the sounding of a gong for five seconds. This signal
indicates a vessel ___________________.
A: aground
B: more than 100 meters in length, at anchor
C: fishing while making no way through the water
D: fishing in company with another vessel
4066: BOTH INTERNATIONAL & INLAND The wind is ESE, and a sailing
vessel is steering NW. Which fog signal should she sound?
A: One blast at one-minute intervals
B: One blast at two-minute intervals
C: Two blasts at one-minute intervals
D: One prolonged and two short blasts at two-minute intervals
4067: BOTH INTERNATIONAL & INLAND At night, which lights are
required to be shown by a dredge on the side of the dredge
which another vessel may pass?
A: One red light
B: Two red lights
C: One white light
D: Two green lights
4068: BOTH INTERNATIONAL & INLAND In the situation illustrated in
DIAGRAM 2, Vessel I is a power-driven vessel. Vessel II is
a sailing vessel with the wind dead aft. Which statement
about this situation is correct?
A: Vessel I should keep out of the way of Vessel II.
B: Vessel II should keep out of the way of Vessel I.
C: Vessel II would normally be the stand-on vessel, but should
stay out of the way in this particular situation.
D: The Rules of Special Circumstances applies, and neither
4069: BOTH INTERNATIONAL & INLAND Which lights are shown by a
vessel restricted in her ability to maneuver to indicate
that the vessel is making way?
A: Masthead lights, sidelights and sternlight
B: Masthead lights and sidelights only
C: Sidelights and sternlight only
D: Sidelights only
4070: BOTH INTERNATIONAL & INLAND You are underway and hear a
vessel continuously sounding her fog whistle. This
indicates the other vessel _________________.
A: desires to communicate by radio
B: desires a pilot
C: is in distress
D: is aground
4072: BOTH INTERNATIONAL & INLAND A 30-meter tug is underway and
NOT towing. At night, this vessel must show sidelights and
_____.
A: one masthead light and a sternlight
B: two masthead lights and a sternlight
C: three masthead lights and a sternlight
D: a sternlight
4073: BOTH INTERNATIONAL & INLAND While underway in fog, you hear
a signal of one prolonged blast followed by three short
blasts. This is the fog signal for a vessel ___________.
A: towing
B: manned being towed
C: unmanned being towed
D: at anchor
4074: BOTH INTERNATIONAL & INLAND Which statement is TRUE
concerning a vessel of 75 meters in length, at anchor?
A: She must show an all-round white light forward.
B: She must show a second all-round white light aft.
C: She may use her working lights to illuminate her decks.
D: All of the above
4075: BOTH INTERNATIONAL & INLAND You are approaching another
vessel. She is about one mile distant and is on your
starboard bow. You believe she will cross ahead of
you. She then sounds a whistle signal of five
short blasts. You should _______________________.
A: answer the signal and hold course and speed
B: reduce speed slightly to make sure she will have room to
pass
C: make a large course change, and slow down if necessary
D: wait for another whistle signal from the other vessel
4076: BOTH INTERNATIONAL & INLAND If a rowboat underway does NOT
show the lights specified for a sailing vessel underway, it
shall show a _________________.
A: white light from sunset to sunrise
B: combined lantern showing green to starboard and red to port
and shown from sunset to sunrise
C: combined lantern showing green to starboard and red to port
and shown in sufficient time to prevent collision
D: white light shown in sufficient time to prevent collision
4077: BOTH INTERNATIONAL & INLAND A vessel at anchor shall
display, between sunrise and sunset, on the forward part of
the vessel where it can best be seen ___________________.
A: one black ball
B: two black balls
C: one red ball
D: two orange and white balls
4078: BOTH INTERNATIONAL & INLAND You are underway in fog and hear
a fog signal of two prolonged blasts on your starboard
quarter. You should _____.
A: stop your vessel
B: change course to the left
C: change course to the right
D: hold your course and speed
4080: BOTH INTERNATIONAL & INLAND You are underway, in fog, when
you hear a whistle signal of one prolonged blast followed by
two short blasts. This signal could indicate a vessel
___________________.
A: not under command
B: being towed
C: aground
D: All of the above
4081: BOTH INTERNATIONAL & INLAND You are aboard vessel "A" , a
power-driven vessel, on open waters and vessel "B", a
sailing vessel, is sighted off your port bow as shown in
DIAGRAM 27. Which vessel is the stand-on vessel?
A: Vessel "A" because it is towing
B: Vessel "A" because it is to starboard of vessel "B"
C: Vessel "B" because it is sailing
D: Vessel "B" because it is to port of vessel "A"
4082: BOTH INTERNATIONAL & INLAND Which vessel must exhibit three
white masthead lights in a vertical line?
A: Any vessel towing astern
B: A vessel whose tow exceeds 200 meters astern
C: A vessel not under command, at anchor
D: A vessel being towed
4083: BOTH INTERNATIONAL & INLAND All of the following are
distress signals EXCEPT _________________.
A: the continuous sounding of any fog signal apparatus
B: giving five or more short and rapid blasts of the whistle
C: firing a gun at intervals of about a minute
D: a barrel with burning oil in it, on deck
4084: BOTH INTERNATIONAL & INLAND If you are approaching a bend,
and hear a whistle signal of one prolonged blast from around
the bend, you should answer with a signal of _____________.
A: a short blast
B: a prolonged blast
C: one short, one prolonged, and one short blast
D: a long blast
4085: BOTH INTERNATIONAL & INLAND Which vessel must show an after
masthead light, if over 50 meters in length?
A: A vessel engaged in fishing
B: A vessel at anchor
C: A vessel not under command
D: A vessel trawling
4086: BOTH INTERNATIONAL & INLAND You are on vessel "A" and
approaching vessel "B" as shown in DIAGRAM 15. You are not
sure whether your vessel is crossing or overtaking vessel
"B". You should ___________________________.
A: change course to make the situation definitely either
crossing or overtaking
B: consider it to be a crossing situation
C: consider it to be an overtaking situation
D: consider it a crossing situation if you can cross ahead
4087: BOTH INTERNATIONAL & INLAND A "flashing light", by the
definition given in the rules, is a light that _______.
A: is red in color
B: is visible over an arc of the horizon of 360ø
C: flashes at regular intervals at a frequency of 120 flashes
or more per minute
D: All of the above
4088: BOTH INTERNATIONAL & INLAND The term "restricted visibility"
as used in the Rules refers ___________________.
A: only to fog
B: only to visibility of less than one-half of a mile
C: to visibility where you cannot see shore
D: to any condition where visibility is restricted
4089: BOTH INTERNATIONAL AND INLAND A vessel engaged in
mineclearing shows special identity lights _____.
A: in addition to the lights required for a power-driven vessel
B: which mean that other vessels should not approach within
1000 meters of the mineclearing vessel
C: which are green and show all-round
D: All of the above
4090: BOTH INTERNATIONAL & INLAND According to the Navigation
Rules, you may depart from the Rules when _______________.
A: no vessels are in sight visually
B: no vessels are visible on radar
C: you are in immediate danger
D: out of sight of land
4091: BOTH INTERNATIONAL & INLAND An authorized light to assist in
the identification of submarines operating on the surface is
a(n) ________________.
A: blue rotating light
B: intermittent flashing amber/yellow light
C: flashing white light
D: flashing sidelight
4093: BOTH INTERNATIONAL & INLAND Which statement is TRUE
concerning two sailing vessels?
A: A sailing vessel with the wind forward of the beam on her
port side shall keep out of the way of a sailing vessel with
the wind forward of the beam on the starboard side.
B: When both vessels have the wind on the same side, the vessel
to leeward shall keep out of the way.
C: A sail vessel with the wind abaft of the beam must keep out
of the way of a vessel sailing into the wind.
D: None of the above
4094: BOTH INTERNATIONAL & INLAND You are aboard vessel "A" which
is towing on open waters when vessel "B", a sailing vessel,
is sighted off your port bow, as shown in DIAGRAM 20. Which
vessel is the stand-on?
A: Vessel "A" is the stand-on vessel because it is towing.
B: Vessel "A" is the stand-on vessel because it is to starboard
of vessel "B".
C: Vessel "B" is the stand-on vessel because it is sailing.
D: Vessel "B" is the stand-on vessel because it is to port of
4095: BOTH INTERNATIONAL & INLAND When underway in a channel, you
should keep to the _____.
A: middle of the channel
B: starboard side of the channel
C: port side of the channel
D: side of the channel that has the widest turns
4096: BOTH INTERNATIONAL & INLAND While underway, in fog, you hear
a whistle signal of one prolonged blast followed by two
short blasts. This signal is sounded by a vessel
___________.
A: not under command
B: being towed
C: on pilotage duty
D: aground
4097: BOTH INTERNATIONAL & INLAND When navigating in restricted
visibility, a power-driven vessel shall ________________.
A: stop her engines when hearing a fog signal forward of her
beam, even if risk of collision does not exist
B: have her engines ready for immediate maneuver
C: when making way, sound one prolonged blast at intervals of
not more than one minute
D: operate at a speed to be able to stop in the distance of her
4098: BOTH INTERNATIONAL & INLAND You can indicate that your
vessel is in distress by ___________________.
A: displaying a large red flag
B: displaying three black balls in a vertical line
C: sounding four or more short rapid blasts on the whistle
D: continuously sounding the fog whistle
4099: BOTH INTERNATIONAL & INLAND During the day, a dredge will
indicate the side on which it is safe to pass by displaying
_________________.
A: two balls in a vertical line
B: two diamonds in a vertical line
C: a single black ball
D: no shape is shown during the day
4100: BOTH INTERNATIONAL & INLAND A 45-meter vessel is pulling a
210-meter tow. She may exhibit ________________.
A: a masthead light forward, and two masthead lights in a
vertical line aft
B: three masthead lights forward and one aft
C: two masthead lights forward and no after masthead light
D: three masthead lights aft and none fwd
4101: BOTH INTERNATIONAL & INLAND Which statement is
TRUE concerning the danger signal?
A: When any vessel fails to understand the intentions of an
approaching vessel she must sound the danger signal.
B:
Only the stand-on vessel can sound the danger signal.
C: Distress signals may be used in place of the danger signal.
D: The danger signal consists of 4 or more short blasts of
4102: BOTH INTERNATIONAL & INLAND A distress signal _____________.
A: consists of 5 or more short blasts of the fog signal
apparatus
B: may be used separately or with other distress signals
C: consists of the raising and lowering of a large white flag
D: is used to indicate doubt about another vessel's intentions
4103: BOTH INTERNATIONAL & INLAND Which is the danger signal?
A: A continuous sounding of the fog signal
B: Firing a gun every minute
C: Five or more short rapid blasts on the whistle
D: One prolonged blast on the whistle
4104: BOTH INTERNATIONAL & INLAND A vessel is "in sight" of
another vessel when ___________________.
A: she can be observed by radar
B: she can be observed visually from the other vessel
C: she can be plotted on radar well enough to determine her
heading
D: her fog signal can be heard
4105: BOTH INTERNATIONAL & INLAND Which statement is TRUE
concerning two sailing vessels approaching each other?
A: A sailing vessel overtaking another is the give-way vessel.
B: When each is on a different tack, the vessel on the
starboard tack shall keep out of the way.
C: A sailing vessel seeing another to leeward on an
undetermined tack shall hold her course.
D: All of the above
4106: BOTH INTERNATIONAL & INLAND What type of vessel or operation
is indicated by a vessel showing two cones with the apexes
together?
A: Sailing vessel
B: Vessel trawling
C: Mineclearing
D: Dredge
4107: BOTH INTERNATIONAL & INLAND A power-driven vessel has on her
port side a sailing vessel which is on a collision course.
The power-driven vessel is to ___________________.
A: maintain course and speed
B: keep clear, passing at a safe distance
C: sound one blast and turn to starboard
D: stop her engines
4108: BOTH INTERNATIONAL & INLAND At specified intervals, a vessel
towing in fog shall sound _________________.
A: one prolonged blast
B: two prolonged blasts
C: one prolonged and two short blasts in succession
D: one prolonged and three short blasts in succession
4109: BOTH INTERNATIONAL & INLAND A vessel towing in fog shall
sound a fog signal of _________________.
A: one prolonged blast every one minute
B: two prolonged blasts every two minutes
C: one prolonged and two short blasts every two minutes
D: one prolonged blast every two minutes
4110: BOTH INTERNATIONAL & INLAND Continuous sounding of a fog
whistle by a vessel is a signal ___________________.
A: that the vessel is anchored
B: to request the draw span of a bridge to be opened
C: of distress
D: that the vessel is broken down and drifting
4111: BOTH INTERNATIONAL AND INLAND A 50-meter vessel is towing
astern and the length of the tow is 100 meters. In addition
to sidelights, which lights may she show to fully comply
with the Rules?
A: Two masthead lights forward, a sternlight, and a towing
light above the sternlight
B: A masthead light forward, two masthead lights aft, a
sternlight, and a towing light above the sternlight
C: No masthead light forward, two masthead lights aft, a
sternlight, and a towing light above the sternlight
D: Three masthead lights forward, one masthead light aft, and
4112: BOTH INTERNATIONAL & INLAND A vessel, which is unable to
maneuver due to some exceptional circumstance, shall exhibit
___________________.
A: during the day, three balls in a vertical line
B: during the day, three shapes, the highest and lowest being
balls and the middle being a diamond
C: when making way at night, two all-round red lights,
sidelights, and a sternlight
D: when making way at night, masthead lights, sidelights, and a
4113: BOTH INTERNATIONAL & INLAND Which signal, other than a
distress signal, can be used by a vessel to attract
attention?
A: Searchlight beam
B: Continuous sounding of a fog signal apparatus
C: Burning barrel
D: Orange smoke signal
4114: BOTH INTERNATIONAL & INLAND Which statement is TRUE
concerning the light used with whistle signals?
A: Use of such a light is required.
B: The light shall have the same characteristics as a masthead
light.
C: It is only used to supplement short blasts of the whistle.
D: All of the above
4115: BOTH INTERNATIONAL & INLAND What is the minimum sound
signaling equipment required aboard a vessel 14 meters in
length?
A: A bell only
B: A whistle only
C: A bell and a whistle
D: Any means of making an efficient sound signal
4116: BOTH INTERNATIONAL & INLAND The towing light is a(n) ______.
A: flashing amber light
B: yellow light with the same characteristics as the sternlight
C: all-round yellow light
D: yellow light with the same characteristics as the masthead
4117: BOTH INTERNATIONAL & INLAND An all-round flashing yellow
light may be exhibited by a(n) _________________.
A: vessel not under command
B: air cushion vessel in the nondisplacement mode
C: vessel towing a submerged object
D: vessel engaged in diving operations
4118: BOTH INTERNATIONAL & INLAND When should the fog signal of a
manned vessel under tow be sounded?
A: After the towing vessel's fog signal
B: Before the towing vessel's fog signal
C: Approximately one minute after the towing vessel's fog
signal
D: If the towing vessel is sounding a fog signal, the
4119: BOTH INTERNATIONAL & INLAND A lantern combining a vessel's
running lights may be shown on a ________________.
A: 15-meter sailing vessel
B: 20-meter vessel engaged in fishing and making way
C: 25-meter power-driven vessel trolling
D: 25-meter pilot vessel
4120: BOTH INTERNATIONAL & INLAND A vessel engaged in fishing
during the day would show _______________.
A: one black ball
B: two cones with bases together
C: a cone, apex downward
D: two cones, apexes together
4121: BOTH INTERNATIONAL & INLAND A sailing vessel is NOT required
to keep out of the way of a _____________________.
A: power-driven vessel
B: vessel not under command
C: vessel restricted in her ability to maneuver
D: vessel engaged in fishing
4122: BOTH INTERNATIONAL & INLAND Which vessel may sound the
danger signal?
A: The stand-on vessel in a crossing situation
B: The give-way vessel in a crossing situation
C: A vessel at anchor
D: All of the above
4123: BOTH INTERNATIONAL & INLAND While underway in fog, you hear
a vessel sound one prolonged blast followed by two short
blasts on the whistle. What does this signal indicate?
A: A vessel towing
B: A vessel engaged in pilotage duty
C: A vessel being towed
D: A vessel aground
4124: BOTH INTERNATIONAL & INLAND In DIAGRAM 28, vessel "A" is
underway and pushing ahead when vessel "B" is sighted off
the starboard bow. Which vessel is the stand-on vessel?
A: Vessel "A" is the stand-on vessel because it is to port.
B: Vessel "A" is the stand-on vessel because it is pushing
ahead.
C: Vessel "B" is the stand-on vessel because it is to starboard
of vessel "A".
D: Neither vessel is the stand-on vessel.
4125: BOTH INTERNATIONAL & INLAND If you saw flames aboard a
vessel but could see the vessel was not on fire, you would
know that the _____.
A: crew was trying to get warm
B: vessel required immediate assistance
C: vessel was attempting to attract the attention of a pilot
boat
D: vessel was being illuminated for identification by aircraft
4126: BOTH INTERNATIONAL & INLAND By day, when it is impracticable
for a small vessel engaged in diving operations to display
the shapes for a vessel engaged in underwater operations,
she shall display ___________________.
A: three black balls in a vertical line
B: two red balls in a vertical line
C: a black cylinder
D: a rigid replica of the International Code flag "A"
4127: BOTH INTERNATIONAL & INLAND A vessel will NOT show
sidelights when _________________.
A: underway but not making way
B: making way, not under command
C: not under command, not making way
D: trolling underway
4128: BOTH INTERNATIONAL & INLAND Which display indicates a vessel
conducting mineclearance operations?
A: Three balls in a vertical line
B: Two balls in a vertical line
C: One ball near the foremast and one ball at each yardarm
D: One diamond near the foremast and one ball at each yardarm
4129: BOTH INTERNATIONAL & INLAND Which vessel MUST show two
masthead lights in a vertical line?
A: A power-driven vessel less than 50 meters in length with a
20-meter tow
B: A sailing vessel towing a small vessel astern
C: A vessel not under command
D: A vessel engaged in dredging
4130: BOTH INTERNATIONAL & INLAND The duration of each blast of
the whistle signals used in meeting and crossing situations
is _________________.
A: about 1 second
B: 2 or 4 seconds
C: 4 to 6 seconds
D: 8 to 10 seconds
4131: BOTH INTERNATIONAL & INLAND What dayshape should a vessel
being towed exhibit if the tow EXCEEDS 200 meters?
A: Two balls
B: Two diamonds
C: One ball
D: One diamond
4133: BOTH INTERNATIONAL & INLAND Which statement is TRUE when you
are towing more than one barge astern at night?
A: Only the last barge in the tow must be lighted.
B: Only the first and last barges in the tow must be lighted.
C: All barges in the tow must be lighted.
D: All barges, except unmanned barges, must be lighted.
4134: BOTH INTERNATIONAL & INLAND Vessel "A" is overtaking vessel
"B" as shown in DIAGRAM 9. Which vessel is the stand-on
vessel?
A: Vessel "A"
B: Vessel "B"
C: Neither vessel
D: Both vessels must keep clear of the other.
4135: BOTH INTERNATIONAL & INLAND A vessel is being propelled both
by sail and by engines. Under the Rules, the vessel is
________________.
A: a "special circumstance" vessel
B: not covered under any category
C: a sail vessel
D: a power-driven vessel
4136: BOTH INTERNATIONAL & INLAND The white masthead light
required for a power-driven vessel under the Rules is
visible over how many degrees of the horizon?
A: 022.5ø
B: 112.5ø
C: 225.0ø
D: 360.0ø
4137: BOTH INTERNATIONAL & INLAND Which statement is TRUE
concerning lights and shapes for towing vessels?
A: If a tow exceeds 200 meters in length, the towing vessel
will display a black ball during daylight.
B: When towing astern, a vessel will carry her identification
lights at the masthead in addition to her regular masthead
light.
C: When towing astern, the towing vessel may show either a
sternlight or a towing light, but not both.
D: If the towing vessel is over 50 meters in length, she must
4138: BOTH INTERNATIONAL & INLAND A vessel may use any sound or
light signals to attract the attention of another vessel as
long as ___________________.
A: white lights are not used
B: red and green lights are not used
C: the vessel signals such intentions over the radiotelephone
D: the signal cannot be mistaken for a signal authorized by the
4139: BOTH INTERNATIONAL & INLAND What type of vessel or operation
is indicated by a vessel displaying two cones with the
apexes together?
A: Sailing
B: Trawling
C: Minesweeping
D: Dredging
4140: BOTH INTERNATIONAL & INLAND The rule regarding look-outs
applies _____________________.
A: in restricted visibility
B: between dusk and dawn
C: in heavy traffic
D: All of the above
4141: BOTH INTERNATIONAL & INLAND While underway and towing, your
vessel enters fog. Which fog signal should you sound?
A: One prolonged blast
B: Two prolonged blasts
C: One prolonged blast and two short blasts
D: Three distinct blasts
4142: BOTH INTERNATIONAL & INLAND A vessel engaged in fishing must
display a light in the direction of any gear that extends
outward more than 150 meters. The color of this light is
_________________.
A: white
B: green
C: red
D: yellow
4143: BOTH INTERNATIONAL & INLAND Which statement is true
concerning a towing light when a towing vessel is towing
astern?
A: When a towing light is shown, no sternlight is necessary.
B: When a sternlight is shown, no towing light is necessary.
C: The towing light is shown below the sternlight.
D: The towing light is shown above the sternlight.
4144: BOTH INTERNATIONAL & INLAND At night, a vessel which is less
than 7 meters in length and anchored in an area where other
vessels do not normally navigate is ___________________.
A: not required to show any anchor lights
B: required to show a flare-up light
C: required to show one white light
D: required to show sidelights and a sternlight
4145: BOTH INTERNATIONAL & INLAND You are in charge of a 120-meter
power-driven vessel at anchor in fog, sounding the required
anchor signals. You hear the fog signal of a vessel
underway off your port bow. You may sound _______________.
A: at least five short and rapid blasts
B: two short blasts
C: one short, one prolonged, and one short blast
D: three short blasts
4146: BOTH INTERNATIONAL & INLAND When taking action to avoid
collision, you should ___________________.
A: make sure the action is taken in enough time
B: not make any large course changes
C: not make any large speed changes
D: All of the above
4147: BOTH INTERNATIONAL & INLAND Which vessel would have no white
lights visible when meeting her head-on?
A: A vessel trawling
B: A vessel restricted in her ability to maneuver
C: A vessel mineclearing
D: A vessel not under command
4148: BOTH INTERNATIONAL & INLAND You are in restricted visibility
and hear a fog signal forward of the beam. Nothing appears
on your radar screen. You must ___________.
A: stop your engines
B: sound two prolonged blasts of the whistle
C: sound the danger signal
D: slow to bare steerageway
4149: BOTH INTERNATIONAL & INLAND A vessel displaying the lights
illustrated in DIAGRAM 84 is _____________________.
A: not under command
B: showing improper lights
C: towing
D: dredging
4150: BOTH INTERNATIONAL & INLAND A towing vessel 30 meters in
length is pushing barges ahead. How many white masthead
lights is the vessel REQUIRED to show at night?
A: One
B: Two
C: Three
D: Four
4151: BOTH INTERNATIONAL & INLAND While underway in fog you hear a
vessel sound one prolonged blast followed by two short
blasts. What does this signal indicate?
A: A vessel towing
B: A vessel being towed
C: A pilot vessel engaged on pilotage duty
D: A vessel aground
4152: BOTH INTERNATIONAL & INLAND A power-driven vessel with a
150-meter stern tow shall display _____.
A: three masthead lights in a vertical line
B: a towing light above the sternlight
C: two towing lights in a vertical line
D: a red light over a white light at the masthead
4153: BOTH INTERNATIONAL & INLAND A vessel transferring cargo
while underway is classified by the Rules as a vessel
_________________.
A: not under command
B: in special circumstances
C: restricted in her ability to maneuver
D: constrained by her draft
4154: BOTH INTERNATIONAL & INLAND Which vessel, when anchored at
night, is NOT required to show anchor lights?
A: A power-driven vessel
B: A vessel engaged on pilotage duty
C: A vessel dredging
D: A vessel restricted in her ability to maneuver
4155: BOTH INTERNATIONAL & INLAND A vessel towing is showing three
forward white masthead lights in a vertical line. This
means that the length of the ________________.
A: towing vessel is less than 50 meters
B: towing vessel is greater than 50 meters
C: tow is less than 200 meters
D: tow is greater than 200 meters
4156: BOTH INTERNATIONAL & INLAND Which vessel is "underway" under
the Rules of the Road?
A: A vessel at anchor with the engine running
B: A vessel with a line led to a tree onshore
C: A vessel drifting with the engine off
D: A vessel aground
4157: BOTH INTERNATIONAL & INLAND Which vessel may exhibit
identifying lights when not actually engaged in her
occupation?
A: A trawler
B: A fishing vessel
C: A tug
D: None of the above
4158: BOTH INTERNATIONAL & INLAND A 25-meter vessel trawling will
show the dayshape(s) consisting of _______________.
A: a basket
B: two balls
C: two cones, apexes together
D: a cone, apex downward
4159: BOTH INTERNATIONAL & INLAND A power-driven vessel underway
shall keep out of the way of a _________________.
A: vessel not under command
B: vessel engaged in fishing
C: sailing vessel
D: All of the above
4160: BOTH INTERNATIONAL & INLAND A fog signal of one short, one
prolonged, and one short blast may be sounded by a ________.
A: vessel at anchor
B: vessel not under command
C: vessel towing
D: All of the above
4161: BOTH INTERNATIONAL & INLAND A continuous sounding of a
fog-signal apparatus indicates _____.
A: the vessel is in distress
B: the vessel has completed loading dangerous cargo
C: it is safe to pass
D: the vessel is anchored
4162: BOTH INTERNATIONAL & INLAND A vessel at night, displaying
the lights illustrated in DIAGRAM 83 is _________________.
A: fishing
B: not under command
C: towing
D: being towed
4163: BOTH INTERNATIONAL & INLAND You are underway in restricted
visibility. You hear the fog signal of another vessel about
22² on your starboard bow. If danger of collision exists
you must __________.
A: reduce your speed to bare steerageway
B: slow your engines and let the other vessel pass ahead of you
C: alter the course to starboard to pass around the
other vessel's stern
D: alter course to port to pass the other vessle on its
4164: BOTH INTERNATIONAL & INLAND While underway in fog you hear a
whistle signal consisting of one prolonged blast followed
immediately by two short blasts. This signal is sounded in
fog by _________________.
A: vessels at anchor, not engaged in fishing
B: vessels underway and towing
C: vessels in danger
D: pilot vessels
4165: BOTH INTERNATIONAL & INLAND Which statement is TRUE of a
30-meter sailing vessel underway?
A: She must show sidelights and a sternlight in restricted
visibility.
B: She may show an all-round white light at the top of the
mast.
C: She need not show a sternlight if she is showing all-round
lights on the mast.
D: If she is using propelling machinery, she shall show forward
4166: BOTH INTERNATIONAL & INLAND A power-driven vessel towing
another vessel astern (tow less than 200 meters) shall show
_______________.
A: three masthead lights in a vertical line instead of
either the forward or after masthead light
B: two masthead lights in a vertical line instead of either the
forward or after masthead lights
C: two towing lights in a vertical line at the stern
D: a small white light aft of the funnel
4167: BOTH INTERNATIONAL & INLAND A vessel which is "restricted in
her ability to maneuver" under the Rules, is a vessel which
is _____________________.
A: mineclearing
B: engaged in fishing
C: at anchor
D: not under command
4168: BOTH INTERNATIONAL & INLAND When a vessel signals her
distress by means of a gun or other explosive signal, the
firing should be at intervals of approximately _____.
A: 10 minutes
B: 1 minute
C: 1 hour
D: 3 minutes
4169: BOTH INTERNATIONAL & INLAND A "head on" situation shall be
deemed to exist at night when a power-driven vessel sees
another power-driven vessel ahead and _________________.
A: one sidelight and the masthead light are visible
B: the vessels will pass closer than half a mile
C: both vessels sound one prolonged blast
D: both sidelights and masthead light(s) are visible
4170: BOTH INTERNATIONAL & INLAND A 20-meter vessel is towing
another vessel astern. The length of the tow from the stern
of the towing vessel to the stern of the tow is 75 meters.
How many white towing masthead lights shall the towing
vessel show at night?
4171: BOTH INTERNATIONAL & INLAND A vessel enagaged in fishing,
and at anchor, shall show _____________.
A: an anchor light
B: sidelights and a sternlight
C: three lights in a vertical line, the highest and lowest
being red, and the middle being white
D: None of the above
4173: BOTH INTERNATIONAL & INLAND A power-driven vessel underway
shall keep out of the way of a vessel _______________.
A: not under command
B: restricted in her ability to maneuver
C: engaged in fishing
D: All of the above
4174: BOTH INTERNATIONAL & INLAND A vessel sounding a fog signal
of one short, one prolonged, and one short blast is
indicating that the vessel is _______________.
A: fishing
B: in distress
C: at anchor
D: not under command
4175: BOTH INTERNATIONAL & INLAND A vessel displaying the lights
illustrated in DIAGRAM 57 is ________________.
A: restricted in her ability to maneuver and not making way
B: engaged in fishing and not making way
C: a pilot vessel underway and making way on pilotage duty
D: towing and making way
4176: BOTH INTERNATIONAL & INLAND Two all-round red lights
displayed in a vertical line are shown by a vessel ________.
A: being towed
B: pushing a barge ahead
C: at anchor
D: not under command
4177: BOTH INTERNATIONAL & INLAND Your vessel is underway in
reduced visibility. You hear the fog signal of another
vessel about 30² on your starboard bow. If danger of
collision exists, you must _______.
A: alter course to starboard to pass around the other
vessel's stern
B: slow your engines and let the other vessel pass ahead of you
C: reduce your speed to bare steerageway
D: alter course to port and pass the other vessel on its
4178: BOTH INTERNATIONAL & INLAND You are underway in fog and you
hear one prolonged blast followed by two short blasts. This
is a vessel _________________.
A: towing
B: engaged on pilotage duty
C: aground in a fairway
D: stopped and making no way through the water
4179: BOTH INTERNATIONAL & INLAND A sailing vessel is NOT allowed
to show the all-round red over green lights on the mast if
__________________.
A: she is showing sidelights
B: her sidelights are combined and shown on the fore and aft
centerline of the vessel
C: she is showing a sternlight
D: her sidelights and sternlight are combined in one lantern
4180: BOTH INTERNATIONAL & INLAND A power-driven vessel, when
towing astern, shall show _____.
A: two towing lights in a vertical line
B: a towing light in a vertical line above the sternlight
C: two towing lights in addition to the sternlight
D: a small white light in lieu of the sternlight
4181: BOTH INTERNATIONAL & INLAND According to the Rules, which
vessel is NOT "restricted in her ability to maneuver"?
A: A vessel servicing a navigation marker
B: A sailing vessel
C: A vessel mineclearing
D: A vessel dredging
4182: BOTH INTERNATIONAL & INLAND Distress signals may be _____.
A: red flares
B: smoke signals
C: sound signals
D: Any of the above
4183: BOTH INTERNATIONAL & INLAND When anchoring a 25-meter vessel
at night, you must show __________________.
A: one all-round white light
B: two all-round white lights
C: one all-round white light and the sidelights
D: the sidelights and a sternlight
4184: BOTH INTERNATIONAL & INLAND You are approaching another
vessel at night. You can see both red and green sidelights
and, above the level of the sidelights, three white lights
in a vertical line. The vessel may be _________________.
A: not under command
B: towing a tow more than 200 meters astern
C: trawling
D: underway and dredging
4185: BOTH INTERNATIONAL & INLAND A vessel engaged in fishing, and
at anchor, should exhibit _____.
A: an anchor light
B: sidelights and sternlight
C: three lights in a vertical line, the highest and lowest
being red, and the middle being white
D: None of the above
4186: BOTH INTERNATIONAL & INLAND A vessel fishing should display
which day signal shown in DIAGRAM 1?
4187: BOTH INTERNATIONAL & INLAND In a crossing situation on open
waters, a sailing vessel shall keep out of the way of all
the following vessels EXCEPT a ___________________.
A: vessel not under command
B: vessel restricted in her ability to maneuver
C: power-driven vessel approaching on her starboard side
D: vessel fishing
4188: BOTH INTERNATIONAL & INLAND You are at anchor in fog on a
120-meter power-driven vessel. You hear the fog signal of
a vessel approaching off your port bow. You may sound ____.
A: one prolonged, one short and one prolonged
B: two short blasts
C: one short, one prolonged, and one short blast
D: one prolonged blast
4189: BOTH INTERNATIONAL & INLAND You see a vessel displaying the
day signal shown in DIAGRAM 6. The vessel may be _________.
A: not under command
B: fishing with trawls
C: laying cable
D: aground
4190: BOTH INTERNATIONAL & INLAND A power-driven vessel making way
through the water sounds a fog signal of ________________.
A: one prolonged blast at intervals of not more than two
minutes
B: two prolonged blasts at intervals of not more than two
minutes
C: one prolonged blast at intervals of not more than one
minute
D: two prolonged blasts at intervals of not more than one
4191: BOTH INTERNATIONAL & INLAND You are on watch in the fog.
Your vessel is proceeding at a safe speed when you hear a
fog signal ahead of you. The Rules require you to navigate
with caution and, if danger of collision exists, _________.
A: slow to less than 2 knots
B: stop your engines
C: reduce to bare steerageway
D: begin a radar plot
4192: BOTH INTERNATIONAL & INLAND In restricted visibility, a
vessel fishing with nets shall sound at intervals of two
minutes ________________.
A: one prolonged blast
B: one prolonged followed by two short blasts
C: one prolonged followed by three short blasts
D: two prolonged blasts in succession
4193: BOTH INTERNATIONAL & INLAND A 20-meter sailing vessel
underway must exhibit a _______________.
A: sternlight
B: combined lantern
C: red light over a green light at the masthead
D: All of the above
4194: BOTH INTERNATIONAL & INLAND At night, you are towing a
partly submerged vessel, 20 meters in length and 4 meters in
breadth. What lights must you display on the towed vessel?
A: A white light at the stern
B: Two white lights side by side at the stern
C: A white light at the forward end and a white light at the
after end
D: Two red lights in a vertical line at the after end
4195: BOTH INTERNATIONAL & INLAND All of the following vessels are
"restricted in their ability to maneuver" EXCEPT a vessel
___________________.
A: laying a pipeline
B: dredging
C: mineclearing
D: not under command
4196: BOTH INTERNATIONAL & INLAND What lights must be shown on a
barge being towed astern at night?
A: A white light at each corner
B: A white light fore and aft
C: Sidelights and a sternlight
D: A sternlight only
4197: BOTH INTERNATIONAL & INLAND A vessel which is unable to
maneuver due to some exceptional circumstance, shall show
two red lights in a vertical line and ___________________.
A: during the day, three balls in a vertical line
B: during the day, three shapes, the highest and lowest being
balls and the middle being a diamond
C: when making way at night, sidelights and a sternlight
D: when making way at night, masthead lights, sidelights, and a
4198: BOTH INTERNATIONAL & INLAND You are underway and approaching
a bend in the channel where vessels approaching from the
opposite direction cannot be seen. You should sound ______.
A: one blast, 4 to 6 seconds in duration
B: three blasts, 4 to 6 seconds in duration
C: one continuous blast until you are able to see around the
bend
D: one blast, 8 to 10 seconds in duration
4199: BOTH INTERNATIONAL & INLAND A vessel which is fishing must
show sidelights and a sternlight only when _______________.
A: anchored
B: underway
C: dead in the water
D: underway and making way
4201: BOTH INTERNATIONAL & INLAND A power-driven vessel towing
astern shall show _____.
A: two towing lights in a vertical line
B: a towing light in a vertical line above the sternlight
C: two towing lights in addition to the sternlight
D: a small white light in lieu of the sternlight
4202: BOTH INTERNATIONAL & INLAND You are underway in fog when you
hear the following signal: one short blast, one prolonged
blast and one short blast in succession. Which of the
following would it be?
A: A sailing vessel underway with the wind abaft the beam
B: A power-driven vessel underway and making way through the
water
C: A vessel at anchor
D: A vessel towing
4203: BOTH INTERNATIONAL & INLAND If you hear the firing of a gun
at one minute intervals from another vessel, this indicates
that ___________________.
A: the gun is being used to sound passing signals
B: the vessel is in distress
C: all vessels are to clear the area
D: all is clear and it is safe to pass
4204: BOTH INTERNATIONAL & INLAND Fog signals, required under the
Rules for vessels underway, shall be sounded ______________.
A: only on the approach of another vessel
B: only when vessels are in sight of each other
C: at intervals of not more than one minute
D: at intervals of not more than two minutes
4205: BOTH INTERNATIONAL & INLAND A towing vessel is towing two
barges astern. The length of the tow from the stern of the
tug to the stern of the last barge is 250 meters. The
towing vessel is 45 meters in length. How many white
masthead lights should be displayed on the towboat at night?
4206: BOTH INTERNATIONAL & INLAND At night, a vessel shall
indicate that she is restricted in her ability to maneuver
by showing in a vertical line two ___________________.
A: red lights
B: red lights and two white lights
C: red lights with a white light in between
D: white lights with a red light in between
4207: BOTH INTERNATIONAL & INLAND Your power-driven vessel is
underway when you sight a sailing vessel on your port bow.
Which vessel is the "stand-on" vessel?
A: The sailboat, because it is to port of your vessel
B: The sailboat, because it is under sail
C: Your vessel, because it is a power-driven vessel
D: Your vessel, because it is to starboard of the sailboat
4208: BOTH INTERNATIONAL & INLAND Five or more short blasts on a
vessel's whistle indicates that she is _______________.
A: in doubt that another vessel is taking sufficient action to
avoid a collision
B: altering course to starboard
C: altering course to port
D: the stand-on vessel and will maintain course and speed
4209: BOTH INTERNATIONAL & INLAND Which statement concerning
maneuvering in restricted visibility is FALSE?
A: A vessel which cannot avoid a close-quarters situation with
a vessel forward of her beam shall reduce her speed to bare
steerageway.
B: A vessel which hears a fog signal forward of her beam shall
stop her engines.
C: A vessel which hears a fog signal forward of the beam shall
navigate with caution.
D: If a vessel determines by radar that a close-quarters
4210: BOTH INTERNATIONAL & INLAND A vessel being towed astern
shall show at night _________________.
A: the lights required for a power-driven vessel underway
B: only the required masthead lights
C: a sternlight only
D: sidelights and a sternlight
4211: BOTH INTERNATIONAL & INLAND In order for a stand-on vessel
to take action in a situation, she must determine that the
other vessel _____.
A: is restricted in her ability to maneuver
B: has sounded the danger signal
C: is not taking appropriate action
D: has not changed course since risk of collision was
4212: BOTH INTERNATIONAL & INLAND While underway your vessel
approaches a bend in a river where, due to the bank, you
cannot see around the bend. You should _________________.
A: keep to the starboard side of the channel and sound one
short blast
B: sound the danger signal
C: sound one prolonged blast
D: slow your vessel to bare steerageway
4213: BOTH INTERNATIONAL & INLAND Which statement concerning
whistle signals is FALSE?
A: When a pushing vessel and a vessel pushed are connected in a
composite unit, the unit sounds the fog signal of a
power-driven vessel.
B: A vessel at anchor may sound one short, one prolonged, and
one short blast.
C: A pilot vessel may sound an identity signal on the whistle.
D: A vessel engaged in towing in fog shall sound a fog signal
4214: BOTH INTERNATIONAL & INLAND A sailing vessel of over
20 meters in length underway must show a _____.
A: red light over a green light at the masthead
B: white masthead light
C: combined lantern
D: sternlight
4215: BOTH INTERNATIONAL & INLAND An inconspicuous, partly
submerged vessel or object being towed, where the length of
tow is 100 meters, shall show _______________.
A: yellow lights at each end
B: two red lights in a vertical line
C: a black ball
D: a diamond shape
4216: BOTH INTERNATIONAL & INLAND You are approaching a narrow
channel. You see a vessel that can only be navigated safely
within the channel. You should ___________.
A: initiate an exchange of passing signals
B: not cross the channel if you might impede the other vessel
C: sound the danger signal
D: hold your course and speed
4217: BOTH INTERNATIONAL & INLAND A man aboard a vessel, signaling
by raising and lowering his outstretched arms to each side,
is indicating ___________________.
A: danger, stay away
B: all is clear, it is safe to pass
C: the vessel is anchored
D: a distress signal
4218: BOTH INTERNATIONAL & INLAND A vessel showing the day signal
shown in DIAGRAM 7 is _________________.
A: not under command
B: a dredge underway and dredging
C: fishing
D: a hydrographic survey vessel underway
4219: BOTH INTERNATIONAL & INLAND Your 15-meter vessel is crossing
a narrow channel and a large cargo vessel to port is within
the channel and crossing your course. You must _________.
A: hold course and speed
B: sound the danger signal
C: initiate an exchange of passing signals
D: do not cross the channel if you might impede the other
4220: BOTH INTERNATIONAL & INLAND A vessel towed astern shall show
_____________________.
A: masthead lights
B: sidelights
C: a special flashing light
D: All of the above
4221: BOTH INTERNATIONAL & INLAND A power-driven vessel making way
through the water sounds which fog signal?
A: Two short blasts every one minute
B: One short blast every one minute
C: Two prolonged blasts every two minutes
D: One prolonged blast every two minutes
4222: BOTH INTERNATIONAL & INLAND You are towing two barges
astern. The length of the tow from the stern of the tug to
the stern of the last barge is 150 meters. How many white
towing identification lights should be displayed on the
towboat at night?
4223: BOTH INTERNATIONAL & INLAND Which vessel may show three
lights in a vertical line, the top and bottom being red and
the middle being white?
A: A vessel engaged in diving operations
B: A pilot vessel
C: A vessel trawling
D: All of the above
4224: BOTH INTERNATIONAL & INLAND A power-driven vessel has on her
port side a sailing vessel which is on a collision course.
The power-driven vessel is required to ____________.
A: maintain course and speed
B: keep clear
C: sound one blast and turn to starboard
D: stop her engines
4225: BOTH INTERNATIONAL & INLAND A single towing light will be
carried above a vessel's sternlight _____.
A: only if she is towing astern
B: only if the tow exceeds 200 meters
C: at any time when towing
D: if the towing vessel is part of a composite unit tow
4226: BOTH INTERNATIONAL & INLAND Which dayshape must be shown by
a vessel 25 meters in length aground during daylight hours?
A: One black ball
B: Two black balls
C: Three black balls
D: Four black balls
4227: BOTH INTERNATIONAL & INLAND An orange flag showing a black
circle and square is a _______________.
A: signal indicating a course change
B: distress signal
C: signal of asking to communicate with another vessel
D: signal indicating danger
4228: BOTH INTERNATIONAL & INLAND When is a stand-on vessel FIRST
allowed by the Rules to take action in order to avoid
collision?
A: When the two vessels are less than half a mile from each
other.
B: When the give-way vessel is not taking appropriate action to
avoid collision.
C: When collision is imminent.
D: The stand-on vessel is never allowed to take action.
4229: BOTH INTERNATIONAL & INLAND You are crossing a narrow
channel in a 15-meter vessel when you sight a tankship off
your port bow coming up the channel. Which statement is
TRUE?
A: Yours is the give-way vessel because it is less than 30
meters long.
B: You shall not impede the safe passage of the tankship.
C: The tankship is the stand-on vessel because it is to port of
your vessel.
D: The tankship is the stand-on vessel because it is the larger
4230: BOTH INTERNATIONAL & INLAND In restricted visibility, a
vessel restricted in her ability to maneuver, at anchor,
would sound a fog signal of ___________________.
A: the rapid ringing of a bell for five seconds every minute
B: two prolonged and two short blasts every two minutes
C: one prolonged and two short blasts every two minutes
D: two prolonged and one short blast every two minutes
4231: BOTH INTERNATIONAL & INLAND A 15-meter sailing vessel would
be required to show _________________.
A: sidelights, sternlight, and a red light over a green light
on the mast
B: sidelights, and sternlight, but they may be in a combined
lantern on the mast
C: separate sidelights and sternlight
D: sidelights only
4232: BOTH INTERNATIONAL & INLAND The use of the signal consisting
of five or more short blasts on the ship's whistle
_______________.
A: replaces directional signals
B: makes the other vessel the give-way vessel
C: indicates doubt as to the other vessel's action
D: makes it necessary to slow or stop
4233: BOTH INTERNATIONAL & INLAND While underway in fog, you hear
the fog signal of another vessel ahead. If a risk of
collision exists, you must _____________.
A: slow to bare steerageway and navigate with caution
B: sound three short blasts and back your engines
C: stop your engines and navigate with caution
D: continue on your course and speed until the other vessel is
4234: BOTH INTERNATIONAL & INLAND What lights, if any, would you
exhibit at night if your vessel were broken down and being
towed by another vessel?
A: None
B: Same lights as for a power-driven vessel underway
C: A white light forward and a white light aft
D: The colored sidelights and a white sternlight
4235: BOTH INTERNATIONAL & INLAND A vessel displaying the
dayshapes illustrated in DIAGRAM 7 is _________________.
A: broken down
B: fishing
C: a minesweeper
D: transferring dangerous cargo
4236: BOTH INTERNATIONAL & INLAND If your vessel is underway in
fog and you hear one prolonged and three short blasts, this
indicates a _____________________.
A: vessel not under command
B: sailing vessel
C: vessel in distress
D: vessel being towed
4237: BOTH INTERNATIONAL & INLAND At night, which lights would you
see on a vessel engaged in fishing, other than trawling?
A: Two red lights, one over the other
B: A green light over a red light
C: A red light over a white light
D: A white light over a red light
4239: BOTH INTERNATIONAL & INLAND You are on a vessel nearing a
bend in the channel where, because of the height of the
bank, you cannot see a vessel approaching from the opposite
direction. You should sound _________________.
A: one short blast
B: one prolonged blast
C: one long blast
D: five or more short blasts
4240: BOTH INTERNATIONAL & INLAND Systems of inbound and outbound
lanes to promote the safe flow of vessel traffic in certain
areas around the world are known as _______________.
A: merchant vessel reporting systems
B: traffic separation schemes
C: collision avoidance fairways
D: restricted maneuverability channels
4241: BOTH INTERNATIONAL & INLAND A tug is towing three manned
barges in line in fog. The first vessel of the tow should
sound ________________.
A: no fog signal
B: one short blast
C: one prolonged and three short blasts
D: one prolonged, one short, and one prolonged blast
4242: BOTH INTERNATIONAL & INLAND All fog signals shall be sounded
every two minutes with the exception of a vessel _________.
A: underway or making way
B: under sail or under tow
C: anchored or aground
D: not under command or restricted in her ability to maneuver
4243: BOTH INTERNATIONAL & INLAND In reduced visibility, you hear
two prolonged blasts of a whistle. This signal is sounded
by a __________________.
A: power-driven vessel dead in the water
B: sailing vessel on the port tack
C: vessel not under command
D: vessel fishing with nets
4244: BOTH INTERNATIONAL & INLAND A 200-meter vessel restricted in
her ability to maneuver, at anchor, will sound a fog signal
of ___________________.
A: a 5 second ringing of a bell forward and a 5 second sounding
of a gong aft at intervals of 1 minute
B: one prolonged followed by two short blasts every 2 minutes
C: one prolonged followed by three short blasts every minute
D: one prolonged followed by three short blasts every 2
4245: BOTH INTERNATIONAL & INLAND Underway at night, a vessel
displaying the lights illustrated in DIAGRAM 62 is ________.
A: engaged in fishing
B: mine sweeping
C: a pilot boat
D: under sail
4246: BOTH INTERNATIONAL & INLAND A partially submerged object
towed by a vessel must show during the day _______________.
A: one diamond shape when the length of the tow is 200 meters
or less
B: one diamond shape ONLY when the length of the tow exceeds
200 meters in length
C: one black ball
D: one black ball only when the length of the tow exceeds 200
4247: BOTH INTERNATIONAL & INLAND What dayshape is to be shown by
a vessel aground?
A: A cylinder
B: Two cones with their apexes together
C: Two black balls in a vertical line
D: Three black balls in a vertical line
4248: BOTH INTERNATIONAL & INLAND What is NOT a distress signal?
A: Red flares or red rockets
B: Continuous sounding of fog signalling apparatus
C: International Code Flags "November" and "Charlie"
D: Basket hanging in the rigging
4249: BOTH INTERNATIONAL & INLAND Which statement is TRUE
concerning a vessel equipped with operational radar?
A: She must use this equipment to obtain early warning of risk
of collision.
B: The use of a radar excuses a vessel from the need of a
look-out.
C: The radar equipment is only required to be used in
restricted visibility.
D: The safe speed of such a vessel will likely be greater than
4250: BOTH INTERNATIONAL & INLAND A vessel displaying the lights
illustrated in DIAGRAM 60 is _____.
A: towing
B: being towed
C: broken down
D: fishing
4251: BOTH INTERNATIONAL & INLAND At night, if you see a vessel
ahead displaying the lights shown in DIAGRAM 70, you should
___________________.
A: provide assistance as the vessel is in distress
B: stay clear as the vessel is transferring dangerous cargo
C: stay clear as the vessel is fishing
D: change course to the right as the vessel is crossing your
4253: BOTH INTERNATIONAL & INLAND A pilot vessel on pilotage duty
shall show identity lights _____________.
A: at any time while underway
B: while at anchor
C: while alongside a vessel
D: All of the above
4254: BOTH INTERNATIONAL & INLAND You are underway in restricted
visibility and hear a fog signal forward of the beam.
Nothing appears on your radar screen. You must _________.
A: stop your engines
B: sound two prolonged blasts of the whistle
C: sound the danger signal
D: slow to bare steerageway
4255: BOTH INTERNATIONAL & INLAND A stand-on vessel in a
crossing situation is allowed to take action when _____.
A: on a collision course
B: the vessels will pass within one mile
C: it becomes apparent to her that the give-way vessel is
not taking appropriate action
D: the relative speed of the vessels indicates collision
4256: BOTH INTERNATIONAL & INLAND Traffic separation schemes
established by the International Maritime Organization
__________________.
A: provide inbound and outbound lanes to promote the safe flow
of vessel traffic
B: provide vessel reporting systems to assist in search and
rescue in the event of a vessel casualty
C: provide routing and vessel scheduling procedures to reduce
shipping delays
D: prohibit vessels carrying hazardous cargos from entering
4257: BOTH INTERNATIONAL & INLAND Which vessel is required to
sound a fog signal of one prolonged followed by two short
blasts?
A: A vessel not under command
B: A sailing vessel, underway
C: A vessel restricted in its ability to maneuver, at anchor
D: All of the above
4258: BOTH INTERNATIONAL & INLAND At night, a broken down vessel
being towed would show the same lights as _________________.
A: a power-driven vessel underway
B: the towing vessel
C: a barge
D: a vessel at anchor
4259: BOTH INTERNATIONAL & INLAND What is the optional whistle
signal which may be sounded by a vessel at anchor?
A: Two prolonged followed by one short blast
B: One short followed by two prolonged blasts
C: One short, one prolonged, followed by one short blast
D: Four short blasts
4260: BOTH INTERNATIONAL & INLAND The minimum length of a
power-driven vessel that must show forward and after
masthead lights is _________________.
A: 30 meters
B: 50 meters
C: 75 meters
D: 100 meters
4261: BOTH INTERNATIONAL & INLAND What light(s), if any, would you
show at night if your vessel was broken down and being towed
by another vessel?
A: None
B: Same lights as for a power-driven vessel underway
C: A white light forward and a white light aft
D: The colored sidelights and a white sternlight
4262: BOTH INTERNATIONAL & INLAND A vessel not under command
making way at night would show _________________.
A: two all-round red lights in a vertical line
B: anchor lights and running lights
C: two all-round white lights in a vertical line, sidelights
and a sternlight
D: two all-round red lights in a vertical line, sidelights, and
4263: BOTH INTERNATIONAL & INLAND In a dense fog, you hear a
whistle signal of one prolonged blast followed by three
short blasts. This signal is sounded by a ____________.
A: manned vessel being towed
B: fishing vessel underway trawling
C: pilot vessel underway making a special signal
D: vessel not under command
4265: BOTH INTERNATIONAL & INLAND While underway and pushing a
barge ahead, your vessel enters a heavy rain storm. You
should sound _________________.
A: a prolonged blast every two minutes
B: two prolonged blasts every two minutes
C: one prolonged and two short blasts every two minutes
D: one prolonged and three short blasts every two minutes
4266: BOTH INTERNATIONAL & INLAND On open waters, a power-driven
vessel shall keep out of the way of a ___________________.
A: vessel on her port side that is crossing her course
B: vessel that is overtaking her
C: seaplane on the water
D: sailing vessel
4267: BOTH INTERNATIONAL & INLAND You are overtaking a vessel at
night and you see a yellow light showing above the
sternlight of the overtaken vessel. The overtaken vessel is
_________________.
A: underway and dredging
B: pushing ahead or towing alongside
C: towing astern
D: a pilot vessel
4268: BOTH INTERNATIONAL & INLAND Your vessel is at anchor in
fog. The fog signal of another vessel, apparently underway,
has been growing louder and the danger of collision appears
to exist. In addition to your fog signal, what signal may
be used to indicate your presence?
A: No signal other than your fog signal may be used.
B: One prolonged, one short, and one prolonged whistle blast
C: One prolonged followed by two short whistle blasts
D: One short, one prolonged, and one short whistle blast
4269: BOTH INTERNATIONAL & INLAND All of the following are
distress signals under the Rules EXCEPT ___________________.
A: International Code Signal "AA"
B: orange-colored smoke
C: red flares
D: the repeated raising and lowering of outstretched arms
4270: BOTH INTERNATIONAL & INLAND A vessel displaying the lights
illustrated in DIAGRAM 70 is a ________________.
A: pilot boat
B: sailboat
C: fishing vessel
D: motorboat
4271: BOTH INTERNATIONAL & INLAND A tug is towing three manned
barges in line in fog. The third vessel of the tow should
sound _________________.
A: no fog signal
B: one prolonged and two short blasts
C: one prolonged and three short blasts
D: one prolonged, one short and one prolonged blast
4272: BOTH INTERNATIONAL & INLAND A power-driven vessel,
when towing another vessel astern shall show the light(s)
in Diagram ___________.
4273: BOTH INTERNATIONAL & INLAND Which vessel is NOT classified
as "restricted in her ability to maneuver"?
A: A vessel picking up a navigation mark
B: A vessel transferring cargo while underway
C: A vessel whose anchor is fouled
D: A vessel in a towing operation that restricts the ability of
4274: BOTH INTERNATIONAL & INLAND During the day, a vessel picking
up a submarine cable shall carry _________________________.
A: three shapes, the highest and lowest shall be red balls, and
the middle shall be a white diamond
B: two black balls
C: three shapes; the highest and lowest shall be black balls,
and the middle shall be a red diamond
D: three shapes; the highest and lowest shall be black balls
4275: BOTH INTERNATIONAL & INLAND While underway in fog, you hear
a prolonged blast from another vessel. This signal
indicates a _______________.
A: sailboat underway
B: power-driven vessel underway, towing
C: power-driven vessel underway
D: vessel being towed
4276: BOTH INTERNATIONAL & INLAND While underway your vessel
enters fog. You stop your engines and the vessel is dead in
the water. Which fog signal should you sound?
A: One prolonged blast every two minutes
B: Two prolonged blasts every two minutes
C: Three short blasts every two minutes
D: One prolonged and three short blasts every two minutes
4277: BOTH INTERNATIONAL & INLAND You are underway in a fog when
you hear a whistle signal of one prolonged blast followed by
two short blasts. This signal could indicate all of the
following EXCEPT a vessel _________________________.
A: being towed
B: not under command
C: fishing with trawls
D: towing astern
4278: BOTH INTERNATIONAL & INLAND A light signal consisting of
three flashes means _________________.
A: "I am in doubt as to your actions"
B: "My engines are full speed astern"
C: "I desire to overtake you"
D: "I am operating astern propulsion"
4279: BOTH INTERNATIONAL & INLAND You are watching another vessel
approach and her compass bearing is not changing. This
means that _____.
A: you are the stand-on vessel
B: a risk of collision exists
C: a special circumstances situation exists
D: the other vessel is dead in the water
4280: BOTH INTERNATIONAL & INLAND Vessels I and II are underway as
shown in DIAGRAM 33. Vessel I is a sailing vessel with the
wind dead aft. Vessel II is a power-driven vessel trawling.
Which statement is TRUE?
A: Vessel I is to keep clear because the other vessel is
fishing.
B: Vessel II is to keep clear because she is a power-driven
vessel.
C: Vessel II is to keep clear because the other vessel is to
its starboard.
D: Both vessels are to take action to stay clear of each other.
4281: BOTH INTERNATIONAL & INLAND A vessel 30 meters in length and
aground would display a dayshape consisting of ____________.
A: a cylinder
B: one black ball
C: two black balls in a vertical line
D: three black balls in a vertical line
4282: BOTH INTERNATIONAL & INLAND A vessel displaying the lights
illustrated in DIAGRAM 63 is _____.
A: towing astern
B: underway and more than 50 meters in length
C: broken down
D: fishing
4283: BOTH INTERNATIONAL & INLAND What is NOT a distress signal?
A: A continuous sounding of the fog horn
B: Firing a gun every minute
C: Five or more short rapid blasts on the whistle
D: A square flag and ball flown from the mast
4284: BOTH INTERNATIONAL & INLAND Which statement is true
concerning a vessel equipped with operational radar?
A: The Master of the vessel must be on the bridge when the
radar is in use.
B: The radar equipment is only required to be used in
restricted visibility.
C: The use of a radar excuses a vessel from the need of a
look-out.
D: This equipment must be used to obtain early warning of risk
4285: BOTH INTERNATIONAL & INLAND While underway in fog you hear
another vessel sounding two prolonged blasts every two
minutes. This signal indicates a vessel _________________.
A: making way through the water
B: towing
C: drifting
D: anchored
4286: BOTH INTERNATIONAL & INLAND A vessel which is underway at
night and displaying the lights illustrated in DIAGRAM 69 is
_________________.
A: engaged in trawling
B: minesweeping
C: under sail
D: a pilot boat
4287: BOTH INTERNATIONAL & INLAND Fog signals for vessels
at anchor or aground shall be sounded at intervals of not
more than _____.
A: 15 minutes
B: 5 minutes
C: 2 minutes
D: 1 minutes
4288: BOTH INTERNATIONAL & INLAND A vessel is carrying three
lights in a vertical line. The highest and lowest of these
are red and the middle light is white. Which statement is
always TRUE?
A: During the day, she would display three balls in a vertical
line.
B: If making way, she would show masthead lights at night.
C: If at anchor, she need not show anchor lights while
displaying identifying lights.
D: Her fog signal would consist of a rapid ringing of a bell
4289: BOTH INTERNATIONAL & INLAND You are on a power-driven vessel
in fog. Your vessel is proceeding at a safe speed when you
hear a fog signal ahead of you. The Rules require you to
navigate with caution and, if danger of collision exists
_________.
A: slow to less than 2 knots
B: reduce to bare steerageway
C: stop your engines
D: initiate a radar plot
4290: BOTH INTERNATIONAL & INLAND While underway in a fog you hear
a signal of three strokes of a bell, a rapid ringing of the
bell, and three more strokes of the bell. This signal is
made by a vessel _______________.
A: at anchor and giving warning
B: aground
C: at anchor and greater than 100 meters in length
D: not under command and at anchor
4291: BOTH INTERNATIONAL & INLAND The maximum length of a
power-driven vessel which may show an all-round white light
and sidelights instead of a masthead light, sidelights and a
sternlight is ___________________.
A: 7 meters
B: 10 meters
C: 11 meters
D: 20 meters
4292: BOTH INTERNATIONAL & INLAND While underway in fog, you hear
a signal of one prolonged blast followed by three short
blasts. This is the fog signal for a vessel ______________.
A: towing
B: being towed (manned)
C: under sail
D: at anchor
4293: BOTH INTERNATIONAL & INLAND Which vessel is to sound a fog
signal of one prolonged followed by two short blasts?
A: A vessel not under command
B: A sailing vessel underway
C: A vessel restricted in its ability to maneuver, at anchor
D: All of the above
4294: BOTH INTERNATIONAL & INLAND At night you observe a vessel
ahead show three flashes of a white light. This signal
indicates that the vessel ahead is _______________.
A: in distress
B: approaching a bend in the channel
C: operating astern propulsion
D: intending to overtake another vessel
4295: BOTH INTERNATIONAL & INLAND The use of the danger signal
___________________.
A: replaces directional signals
B: makes the other vessel the stand-on vessel
C: indicates doubt as to another vessels actions
D: is the same as a "MAYDAY" signal
4296: BOTH INTERNATIONAL & INLAND Which power-driven vessel is NOT
required to carry a light in the position of the after
masthead light?
A: A pushing vessel and a vessel being pushed, in a composite
unit and 100 meters in length
B: A vessel of 60 meters in length towing astern
C: A vessel of 45 meters in length trolling
D: Any vessel constrained by her draft
4297: BOTH INTERNATIONAL & INLAND Which requirement must be met in
order for a stand-on vessel to take action to avoid
collision?
A: Risk of collision must exist.
B: The give-way vessel must have taken action first.
C: The vessels must be within half a mile of each other.
D: There are no requirements to be met. The stand-on vessel
4298: BOTH INTERNATIONAL & INLAND A single vessel being towed
alongside shall exhibit __________________.
A: one all-round white light
B: sidelights and a sternlight
C: only the outboard sidelight and a sternlight
D: a masthead light, sidelights, and a sternlight
4299: BOTH INTERNATIONAL & INLAND You are crossing a narrow
channel on your 15-meter vessel. A deeply loaded cargo
vessel is proceeding down the channel as shown in DIAGRAM
40. In this situation, which statement is correct?
A: You are the stand-on vessel because you are less than 65
feet in length.
B: You cannot impede the passage of the cargo vessel.
C: The cargo vessel is the stand-on vessel because she is
running with the current.
D: The Rule of Special Circumstances applies in this case.
4300: BOTH INTERNATIONAL & INLAND At night, a vessel displaying
the light illustrated in DIAGRAM 46 is _______________.
A: sailing
B: fishing and making way
C: a pilot boat making way
D: fishing and anchored
4301: BOTH INTERNATIONAL & INLAND In which situation would risk of
collision definitely exist?
A: A vessel is 22 degrees on your port bow, range increasing,
bearing changing slightly to the right.
B: A vessel is broad on your starboard beam, range decreasing,
bearing changing rapidly to the right.
C: A vessel is 22 degrees abaft your port beam, range
increasing, bearing is constant.
D: A vessel is on your starboard quarter, range decreasing,
4302: BOTH INTERNATIONAL & INLAND A vessel nearing a bend or an
area of a channel or fairway where other vessels may be
obscured by an intervening obstruction shall sound _______.
A: one long blast
B: one prolonged blast
C: the danger signal
D: two short blasts
4303: BOTH INTERNATIONAL & INLAND In fog, you hear apparently
forward of your beam a fog signal of 2 prolonged blasts in
succession every two minutes. This signal indicates a
_________________.
A: power-driven vessel making way through the water
B: vessel being pushed ahead
C: vessel restricted in her ability to maneuver
D: power-driven vessel underway but stopped and making no way
4304: BOTH INTERNATIONAL & INLAND A vessel being towed will show
__________________.
A: a forward masthead light
B: sidelights and a sternlight
C: a towing light
D: All of the above
4305: BOTH INTERNATIONAL & INLAND In fog, a vessel being towed, if
manned, shall sound a fog signal of _______________________.
A: two short blasts
B: three short blasts
C: one prolonged and two short blasts
D: one prolonged and three short blasts
4306: BOTH INTERNATIONAL & INLAND Which vessel is directed not to
impede the passage of a vessel which can only navigate
inside a narrow channel?
A: A vessel of less than 20 meters in length
B: A vessel not under command
C: A vessel engaged in surveying
D: All of the above
4307: BOTH INTERNATIONAL & INLAND While you are underway,
navigation lights must be displayed on your vessel _____.
A: during all periods of reduced visibility
B: at all times
C: at night only when other vessels may be in the area
D: at night only when vessels are detected on radar
4309: BOTH INTERNATIONAL & INLAND What dayshape must be shown on a
partly submerged vessel which is being towed?
A: A diamond
B: A cone
C: One black ball
D: Two black balls in a vertical line
4310: BOTH INTERNATIONAL & INLAND Which vessel is to be regarded
as a vessel "restricted in her ability to maneuver"?
A: A vessel fishing with trawls
B: A vessel which has lost the use of her steering gear
C: A vessel with a draft of such depth that she cannot change
her course
D: A vessel engaged in mineclearing
4311: BOTH INTERNATIONAL & INLAND Which vessel would show 3
dayshapes in a vertical line, the highest and lowest being
balls and the middle shape being a diamond?
A: Vessel not under command
B: Vessel constrained by her draft
C: Vessel minesweeping
D: Vessel restricted in her ability to maneuver
4312: BOTH INTERNATIONAL & INLAND A power-driven vessel "not under
command" at night must show which lights in a vertical line?
A: Three red
B: Two red
C: Two white
D: Three white
4313: BOTH INTERNATIONAL & INLAND While underway at night, you
sight a vessel ahead displaying the lights shown in DIAGRAM
71. How should the vessels pass?
A: Both vessels should alter course to starboard and pass port
to port.
B: Both vessels should alter course to port and pass starboard
to starboard.
C: Your vessel should hold course and speed and the other
vessel should keep clear.
D: You should sound an appropriate overtaking signal.
4314: BOTH INTERNATIONAL & INLAND In order for a vessel to be
"engaged in fishing" she must be _____________________.
A: underway
B: using gear which extends more than 50 meters outboard
C: using a seine of some type
D: using gear which restricts her maneuverability
4315: INTERNATIONAL ONLY While underway and in sight of
another vessel you put your engines on astern propulsion.
Which statement concerning whistle signals is TRUE?
A: You must sound three short blasts on the whistle.
B: You must sound one blast if backing to starboard.
C: You must sound whistle signals only if the vessels
are meeting.
D: You need not sound any whistle signals.
4316: BOTH INTERNATIONAL & INLAND When shall the stand-on vessel
in a crossing situation take action to avoid the other
vessel?
A: When a risk of collision exists
B: When action by the give-way vessel alone will not prevent a
collision
C: When the bearing to give-way vessel becomes steady
D: When the vessels become less than 1/2 mile apart
4317: BOTH INTERNATIONAL & INLAND What signal would a vessel
aground show during daylight?
A: One black ball
B: Two black balls
C: Three black balls
D: Four black balls
4318: BOTH INTERNATIONAL & INLAND Which is NOT a distress signal?
A: Flames on a vessel
B: Vertical motion of a white lantern at night
C: Code flags "November" and "Charlie"
D: Dye marker on the water
4319: BOTH INTERNATIONAL & INLAND Which statement about a 25-meter
auxiliary sailboat is TRUE?
A: The sidelights and sternlight may be combined in one
lantern.
B: When operating under sail, her fog signal would consist of
one prolonged blast.
C: She may show a green light over a red light at the masthead.
D: She must show fixed sidelights.
4320: BOTH INTERNATIONAL & INLAND Which vessel shall NOT impede
the passage of a vessel which can safely navigate only
within a narrow channel or fairway?
A: A vessel of less than 20 meters in length
B: A vessel sailing
C: A vessel fishing
D: All of the above
4321: BOTH INTERNATIONAL & INLAND While underway in a fog, you
hear a whistle signal of one prolonged blast followed by two
short blasts. This signal could mean all of the following
EXCEPT a vessel _____.
A: not under command
B: towing astern
C: fishing with trawls
D: being towed
4322: BOTH INTERNATIONAL & INLAND In which situation do you
think a risk of collision exists?
A: A vessel is 22² on your port bow, range increasing, bearing
changing slightly to the right.
B: A vessel is broad on your starboard beam, range decreasing,
bearing changing rapidly to the right.
C: A vessel is 22² abaft your port beam, range increasing,
bearing is constant.
D: A vessel is on your starboard quarter, range decreasing,
4323: BOTH INTERNATIONAL & INLAND A vessel displaying ONLY the
lights illustrated in DIAGRAM 53 is a ____.
A: vessel engaged on pilotage duty underway
B: vessel engaged in fishing
C: vessel under sail
D: power-driven vessel underway
4324: BOTH INTERNATIONAL & INLAND Vessel "A" is overtaking vessel
"B". Vessel "B" _____.
A: should change course to the right
B: should slow down until vessel "A" has passed
C: should hold her course and speed
D: may steer various courses and vessel "A" must keep clear
4325: BOTH INTERNATIONAL & INLAND A vessel aground in fog shall
sound, in addition to the proper anchor signal, which of the
following?
A: Three strokes on the gong before and after sounding the
anchor signal
B: Three strokes on the bell before and after the anchor signal
C: Four short blasts on the whistle
D: One prolonged and one short blast on the whistle
4327: BOTH INTERNATIONAL & INLAND Two vessels are approaching each
other near head on. What action should be taken to avoid
collision?
A: The first vessel to sight the other should give way.
B: The vessel making the slower speed should give way.
C: Both vessels should alter course to starboard.
D: Both vessels should alter course to port.
4328: BOTH INTERNATIONAL & INLAND A vessel displaying the dayshape
shown in DIAGRAM 10 _________________.
A: is at anchor
B: is not under command
C: has a tow that exceeds 200 meters in length
D: has a tow that is carrying dangerous cargo
4329: BOTH INTERNATIONAL & INLAND Your vessel is 25 meters long
and anchored in restricted visibility. You are required to
sound the proper fog signal at intervals of not more than
_____________.
A: 30 seconds
B: one minute
C: two minutes
D: three minutes
4330: BOTH INTERNATIONAL & INLAND While underway in fog, you hear
a short blast, a prolonged blast, and a short blast of a
whistle. This signal indicates a _____________________.
A: vessel towing in fog
B: sailboat underway in fog
C: vessel being towed in fog
D: vessel anchored in fog
4331: BOTH INTERNATIONAL & INLAND You see the lights shown in
DIAGRAM 77. What would it be?
A: A vessel pushing barges ahead
B: A vessel towing barges astern
C: A pipeline
D: A stationary dredge
4332: BOTH INTERNATIONAL & INLAND You are the stand-on vessel in a
crossing situation. You may hold your course and speed
until _____.
A: the other vessel takes necessary action
B: the other vessel gets to within half a mile of your vessel
C: action by the give-way vessel alone will not prevent
collision
D: the other vessel gets to within a quarter mile of your
4333: BOTH INTERNATIONAL & INLAND The arc of visibility for
sidelights is from right ahead to _____.
A: 22.5ø abaft the beam
B: abeam
C: 22.5ø forward of the beam
D: 135ø abaft the beam
4334: BOTH INTERNATIONAL & INLAND In narrow channels, vessels of
less than what length shall not impede the safe passage of
vessels which can navigate only inside that channel?
A: 20 meters
B: 50 meters
C: 65 meters
D: 100 meters
4335: BOTH INTERNATIONAL & INLAND At night a vessel displaying the
lights illustrated in DIAGRAM 82 is ________________.
A: sailing
B: fishing
C: a pilot boat
D: anchored
4336: BOTH INTERNATIONAL & INLAND While underway and in sight of
another vessel crossing less than .5 mile away, you put your
engines full speed astern. Which statement concerning
whistle signals is TRUE?
A: You must sound three short blasts on the whistle.
B: You must sound one blast if backing to starboard.
C: You must sound whistle signals only if the vessels are
meeting.
D: You need not sound any whistle signals.
4337: BOTH INTERNATIONAL & INLAND A vessel showing a yellow light
over a white light at night is a vessel ______.
A: engaged in piloting
B: towing astern
C: engaged in fishing
D: in distress
4338: BOTH INTERNATIONAL & INLAND A vessel hearing a fog
signal forward of her beam has not determined if risk
of collision exists. She shall reduce speed to _____.
A: moderate speed
B: safe speed
C: half speed
D: bare steerageway
4339: BOTH INTERNATIONAL & INLAND Two vessels are in an overtaking
situation. Which of the lights on the overtaken vessel will
the overtaking vessel see?
A: Two masthead lights
B: One masthead light and a sidelight
C: Both sidelights
D: Sternlight only
4340: BOTH INTERNATIONAL & INLAND While underway and making way
your vessel enters fog. Which fog signal should you sound
every two minutes?
A: One prolonged blast
B: Two prolonged blasts
C: Three short blasts
D: A prolonged blast and three short blasts
4341: BOTH INTERNATIONAL & INLAND On open water, a vessel fishing
is in a crossing situation with a vessel sailing located on
the fishing vessel's starboard side. Which vessel is the
stand-on vessel?
A: The fishing vessel because it is to port of the sailing
vessel.
B: The fishing vessel because it is fishing.
C: The sailing vessel because it is to starboard of the fishing
vessel.
D: The sailing vessel because it is sailing.
4342: BOTH INTERNATIONAL & INLAND The lights prescribed by the
Rules shall be exhibited _____.
A: from sunrise to sunset in restricted visibility
B: at all times
C: from sunset to sunrise, and at no other time
D: whenever a look-out is posted
4343: BOTH INTERNATIONAL & INLAND Risk of collision may exist
_____.
A: if the compass bearing of an approaching vessel does NOT
appreciably change
B: even when an appreciable bearing change is evident,
particularly when approaching a vessel at close range
C: if you observe both sidelights of a vessel ahead for an
extended period of time
D: All of the above
4344: BOTH INTERNATIONAL & INLAND "Safe speed" is defined as that
speed where _____.
A: you can stop within your visibility range
B: you can take proper and effective action to avoid collision
C: you are traveling slower than surrounding vessels
D: no wake comes from your vessel
4345: BOTH INTERNATIONAL & INLAND A vessel showing a green light
over a white light in a vertical line above the level of the
sidelights is _____________.
A: engaged in underwater construction
B: under sail and power
C: a pilot vessel
D: trawling
4346: BOTH INTERNATIONAL & INLAND A vessel being towed at night
must show ______________.
A: a white all-round light
B: sidelights and a sternlight
C: a flashing yellow light
D: forward and after masthead lights
4347: BOTH INTERNATIONAL & INLAND To determine if risk
of collision exists, a vessel which is fitted with radar
must use _____.
A: radar scanning
B: radar plotting
C: compass bearings
D: All of the above
4348: BOTH INTERNATIONAL & INLAND You are on vessel "A" pushing a
barge ahead and meeting vessel "B" as shown in DIAGRAM 12.
How should the vessels pass?
A: Both vessels must alter course to starboard and pass port to
port.
B: Both vessels must alter course to port and pass starboard to
starboard.
C: Vessel "A" should maintain course and vessel "B" alter
course.
D: The vessels should determine which will alter course by
4349: BOTH INTERNATIONAL & INLAND If a vessel is engaged in
fishing according to the definitions in the Rules, it will
have ______________.
A: gear extending from the side or stern
B: gear that restricts maneuverability
C: less than 50 percent trolling lines
D: None of the above
4350: BOTH INTERNATIONAL & INLAND While underway in fog you hear
the rapid ringing of a bell. What does this signal
indicate?
A: A vessel backing down
B: A sailboat underway
C: A vessel at anchor
D: A vessel drifting
4351: BOTH INTERNATIONAL & INLAND Two power-driven vessels are
crossing so as to involve risk of collision. Which statement
is TRUE, according to the Rules?
A: The vessel which has the other on her own port side shall
keep out of the way.
B: If the stand-on vessel takes action, she shall avoid
changing course to port.
C: If the give-way vessel takes action, she shall avoid
changing course to starboard.
D: The give-way vessel should keep the other vessel to her
4352: BOTH INTERNATIONAL & INLAND What is the minimum vessel
length which must show two white masthead lights, one
forward and one aft, when underway at night?
A: 7 meters
B: 20 meters
C: 50 meters
D: 100 meters
4353: BOTH INTERNATIONAL & INLAND Every vessel that is to keep out
of the way of another vessel must take positive early action
to comply with this obligation and must _____.
A: avoid crossing ahead of the other vessel
B: avoid passing astern of the other vessel
C: sound one prolonged blast to indicate compliance
D: alter course to port for a vessel on her port side
4354: BOTH INTERNATIONAL & INLAND At night, a power-driven vessel
less than 12 meters in length may, instead of the normal
running lights, show sidelights and one ___________________.
A: white light
B: yellow light
C: flashing white light
D: flashing yellow light
4355: BOTH INTERNATIONAL & INLAND You are crossing a narrow
channel in an 18-meter tug when you sight a loaded tankship
off your port bow coming up the channel. Which statement is
correct?
A: Neither vessel is the stand-on vessel because the tankship
is crossing.
B: You cannot impede the safe passage of the tankship.
C: The tankship is the stand-on vessel because it is in the
channel.
D: The tankship is the stand-on vessel because it is the larger
4356: BOTH INTERNATIONAL & INLAND A vessel engaged in fishing
underway sounds the same fog signal as a _________________.
A: power-driven vessel stopped and making no way through the
water
B: vessel being towed
C: vessel restricted in her ability to maneuver at anchor
D: sailing vessel at anchor
4357: BOTH INTERNATIONAL & INLAND A vessel 15 meters in length
which is proceeding under sail as well as being propelled by
machinery shall exhibit during the daytime _______________.
A: one black ball
B: a basket
C: a cone with its apex downward
D: two cones with their apexes together
4358: BOTH INTERNATIONAL & INLAND Which vessel should not impede
the navigation of a power-driven vessel?
A: A vessel not under command
B: A vessel engaged in fishing
C: A sailing vessel
D: A seaplane
4359: BOTH INTERNATIONAL & INLAND Your vessel is underway but
stopped and making no way through the water when fog sets
in. Which fog signal should you sound?
A: One prolonged blast on the whistle
B: One prolonged blast and two short blasts on the whistle
C: Two prolonged blasts on the whistle
D: One short, one prolonged, and one short blast on the whistle
4360: BOTH INTERNATIONAL & INLAND While underway, you see a vessel
displaying the dayshapes shown in DIAGRAM 6. Which action
should you take?
A: Maintain course and speed
B: Provide assistance, the other vessel is in distress
C: Stay clear, the other vessel is maneuvering with difficulty
D: Stop your vessel and sound passing signals
4361: BOTH INTERNATIONAL & INLAND A single vessel being towed
alongside shall show ______________________.
A: one all-round white light
B: sidelights and a sternlight
C: only the outboard sidelight and a sternlight
D: a masthead light, sidelights, and a sternlight
4362: BOTH INTERNATIONAL & INLAND A vessel underway and fishing
shall keep out of the way of a _____.
A: power-driven vessel underway
B: vessel not under command
C: vessel sailing
D: vessel engaged on pilotage duty
4363: BOTH INTERNATIONAL & INLAND A vessel displaying the day
shape illustrated in DIAGRAM 10 is _______________.
A: broken down
B: anchored
C: towing
D: fishing
4364: BOTH INTERNATIONAL & INLAND The whistle signal for a vessel
operating astern propulsion is _________________.
A: one long blast
B: one prolonged blast
C: three short blasts
D: four or more short blasts
4365: BOTH INTERNATIONAL & INLAND An anchored vessel is servicing
an aid to navigation and is restricted in her ability to
maneuver. Which lights will she show?
A: Three all-round red-white-red lights in a vertical line and
anchor lights
B: Three all-round red-white-red lights in a vertical line ONLY
C: Anchor lights ONLY
D: Anchor lights and sidelights ONLY
4366: BOTH INTERNATIONAL & INLAND Which vessel is a "vessel
restricted in her ability to maneuver" under the Rules?
A: A vessel mineclearing
B: A vessel engaged in fishing
C: A vessel at anchor
D: A vessel not under command
4367: BOTH INTERNATIONAL & INLAND What would NOT be a distress
signal?
A: "MAYDAY" sent by radiotelephone
B: Continuous sounding of fog horn
C: Green star shells fired from a launcher
D: Square flag and ball in a vertical line
4368: BOTH INTERNATIONAL & INLAND In a dense fog you hear a
whistle signal ahead of one prolonged blast followed by
three short blasts. This signal indicates a _____________.
A: fishing vessel underway trawling
B: manned vessel being towed
C: pilot vessel underway making a special signal
D: vessel not under command
4369: BOTH INTERNATIONAL & INLAND If a towing vessel and her tow
are severely restricted in their ability to deviate from
their course, they may show lights in addition to their
towing identification lights. These additional lights may
be shown if the tow is _______________.
A: pushed ahead
B: towed alongside
C: towed astern
D: Any of the above
4371: BOTH INTERNATIONAL & INLAND A head-on situation at night is
one in which you see _________________.
A: one sidelight of a vessel ahead of you
B: one sidelight and a masthead light of a vessel ahead of you
C: one sidelight, a masthead light, and a range light of a
vessel ahead of you
D: both sidelights of a vessel dead ahead of you
4372: BOTH INTERNATIONAL & INLAND You are the stand-on vessel in
a crossing situation. If you think the give-way vessel is
NOT taking sufficient action to avoid collision, you should
sound __________________.
A: one short blast and maintain course
B: two short blasts, alter to port, and pass astern
C: no signal and maneuver at will
D: the danger signal
4373: BOTH INTERNATIONAL & INLAND A lantern combining the
two sidelights and sternlight may be shown on a __________.
A: 10-meter sailing vessel
B: 20-meter vessel engaged in fishing and making way
C: 25-meter power-driven vessel engaged in trolling
D: 25-meter pilot vessel
4374: BOTH INTERNATIONAL & INLAND A vessel aground would show the
same dayshape as a _________________.
A: vessel towing a submerged object
B: dredge underway and dredging
C: hydrographic survey vessel at anchor and surveying
D: None of the above
4375: BOTH INTERNATIONAL & INLAND You are underway in fog when you
hear a signal of three strokes of a bell, a rapid ringing of
the bell, and three more strokes of the bell. This signal
indicates a vessel __________________.
A: at anchor, giving warning
B: aground
C: at anchor, greater than 100 meters
D: not under command at anchor
4376: BOTH INTERNATIONAL & INLAND A power-driven vessel "not under
command" at night must show her sidelights when __________.
A: making headway
B: making no headway
C: moored to a buoy
D: at anchor
4377: BOTH INTERNATIONAL & INLAND The term "prolonged blast" means
a blast of _________________.
A: two to four seconds duration
B: four to six seconds duration
C: six to eight seconds duration
D: eight to ten seconds duration
4378: BOTH INTERNATIONAL & INLAND While you are underway,
navigation lights must be displayed on your vessel _____.
A: during all periods of restricted visibility
B: at all times
C: at night only when other vessels may be in the area
D: at night only when vessels are detected on radar
4379: BOTH INTERNATIONAL & INLAND Which statement is TRUE
concerning risk of collision?
A: The stand-on vessel must keep out of the way of the other
vessel when risk of collision exists.
B: Risk of collision always exists when two vessels pass within
one mile of each other.
C: Risk of collision always exists when the compass bearing of
an approaching vessel changes appreciably.
D: Risk of collision may exist when the compass bearing of an
4380: BOTH INTERNATIONAL & INLAND A vessel nearing a bend where
other vessels may be obscured shall sound _______________.
A: one short blast
B: one long blast
C: two short blasts
D: one prolonged blast
4381: BOTH INTERNATIONAL & INLAND A vessel that is defined as
"restricted in her ability to maneuver" is unable to keep
out of the way of another vessel due to ___________________.
A: her draft
B: the nature of her work
C: some exceptional circumstances
D: a danger of navigation
4382: BOTH INTERNATIONAL & INLAND While underway in fog, you hear
a vessel sound four short blasts in succession. What does
this signal indicate?
A: A pilot vessel
B: A vessel being towed
C: A vessel fishing
D: A sailboat
4383: BOTH INTERNATIONAL & INLAND You are in charge of a stand-on
vessel in a crossing situation. The other vessel is 1.5
miles to port. You believe that risk of collision exists.
You should _____.
A: take avoiding action immediately upon determining that risk
of collision exists
B: immediately sound the danger signal
C: take avoiding action only after providing the give-way
vessel time to take action, and determining that her action
is not appropriate
D: hold course and speed until the point of extremis, and then
4384: BOTH INTERNATIONAL & INLAND In DIAGRAM 8, vessel "A" and
vessel "B" (which is pushing ahead) are meeting head-on as
shown. How must the vessels pass?
A: Vessel "A" must alter course while vessel "B" continues on
its present course.
B: The vessels should determine which will alter course by
exchanging whistle signals.
C: Both vessels should alter course to port and pass starboard
to starboard.
D: Both vessels should alter course to starboard and pass port
4385: BOTH INTERNATIONAL & INLAND To be considered "engaged in
fishing" according to the Rules of the Road, a vessel must
be ___________________.
A: using fishing apparatus which restricts maneuverability
B: using trolling lines
C: power-driven
D: showing lights or shapes for a vessel restricted in her
4386: BOTH INTERNATIONAL & INLAND While underway in fog you hear a
rapid ringing of a bell ahead. This bell indicates a _____.
A: vessel at anchor
B: vessel in distress
C: sailboat underway
D: vessel backing out of a berth
4387: BOTH INTERNATIONAL & INLAND An overtaking situation would be
one in which one vessel is approaching another from more
than how many degrees abaft the beam?
A: 0ø
B: 10ø
C: 22.5ø
D: None of the above
4388: BOTH INTERNATIONAL & INLAND A stand-on vessel is _____.
A: required to give way in a crossing situation
B: required to sound the first passing signal in a meeting
situation
C: free to maneuver in any crossing or meeting situation as it
has the right-of-way
D: required to maintain course and speed in a crossing
4389: BOTH INTERNATIONAL & INLAND An overtaking situation at
night would be one in which one vessel sees which light(s)
of a vessel ahead?
A: Masthead lights and sidelights
B: One sidelight, the masthead lights and sternlight
C: Both sidelights
D: Sternlight
4390: BOTH INTERNATIONAL & INLAND What lights must sailboats show
when underway at night?
A: One all-round white light
B: A sternlight
C: Red and green sidelights
D: Red and green sidelights and a sternlight
4391: BOTH INTERNATIONAL & INLAND You are crossing a narrow
channel in a small motorboat. You sight a tankship off your
port bow coming up the channel. Which statement is TRUE?
A: You are the stand-on vessel because the tankship is to port.
B: You cannot impede the safe passage of the tankship.
C: The tankship is the stand-on vessel because it is to port of
your vessel.
D: The tankship is the stand-on vessel because it is the larger
4392: BOTH INTERNATIONAL & INLAND Which vessel does NOT sound a
fog signal of one prolonged followed by two short blasts?
A: A vessel dredging
B: A vessel being towed
C: A vessel engaged in fishing
D: A sailing vessel
4393: BOTH INTERNATIONAL & INLAND Which light(s) is(are) AMONG
those shown by a 200-meter vessel at anchor?
A: In the forepart of the vessel, a 225ø white light
B: In the after part of the vessel, a 135ø white light
C: Any available working lights to illuminate the decks
D: In the fore part of the vessel, a 135ø white light
4394: BOTH INTERNATIONAL & INLAND A partly submerged vessel or
object being towed, which is not readily noticeable, shall
show ___________________.
A: yellow lights at each end
B: two red lights in a vertical line
C: a black ball
D: a diamond shape
4395: BOTH INTERNATIONAL & INLAND The lights illustrated in
DIAGRAM 73 indicate a _______________.
A: fishing vessel trolling
B: vessel laying submarine cable
C: vessel towing astern
D: vessel dredging
4396: BOTH INTERNATIONAL & INLAND Concerning the identification
signal for a pilot vessel, in fog, which statement is TRUE?
A: When at anchor, the pilot vessel is only required to sound
anchor signals.
B: The identification signal must be sounded any time the
pilot vessel is underway.
C: The pilot vessel may only sound the identity signal when
making way.
D: All of the above
4397: BOTH INTERNATIONAL & INLAND In a crossing situation, a
vessel fishing must keep out of the way of a vessel which is
___________________.
A: under sail
B: towing
C: restricted in her ability to maneuver
D: engaged in pilotage duty
4398: BOTH INTERNATIONAL & INLAND A towboat displaying the
dayshape illustrated in DIAGRAM 10 ________________________.
A: is at anchor
B: is not under command
C: has a tow that exceeds 200 meters in length
D: has a tow that is carrying dangerous cargo
4399: BOTH INTERNATIONAL & INLAND Which vessel would display a
cone, apex downward?
A: A fishing vessel with outlying gear
B: A vessel proceeding under sail and machinery
C: A vessel engaged in diving operations
D: A vessel being towed
4400: BOTH INTERNATIONAL & INLAND When action to avoid a close
quarters situation is taken, a course change alone may be
the most effective action provided that ________________.
A: it is done in a succession of small course changes
B: it is not done too early
C: it is a large course change
D: the course change is to starboard
4401: BOTH INTERNATIONAL & INLAND You are underway in heavy fog.
You hear the fog signal of a vessel which is somewhere ahead
of your vessel. You must _____.
A: slow to moderate speed and navigate with caution
B: maintain speed and sound the danger signal
C: stop engines and navigate with caution
D: slow to bare steerageway and navigate with caution
4402: BOTH INTERNATIONAL & INLAND A vessel at anchor will show
a ____________________.
A: ball
B: cone
C: cylinder
D: double cone, apexes together
4403: BOTH INTERNATIONAL & INLAND What dayshape must be shown by a
vessel over 20 meters fishing which has gear extending more
than 150 meters horizontally outward from it?
A: One black ball
B: One diamond shape
C: One cone with its apex upwards
D: One basket
4404: BOTH INTERNATIONAL & INLAND A vessel towing astern
in an operation which severely restricts the towing vessel
and her tow in their ability to change course shall, when
making way, exhibit _________________.
A: the masthead lights for a towing vessel
B: the lights for a vessel restricted in its ability to
maneuver
C: sidelights, sternlight and towing light
D: All of the above
4405: BOTH INTERNATIONAL & INLAND A vessel underway but not making
way and fishing other than trawling will show which lights?
A: A white light over a red light
B: A red light over a white light
C: A white light over a red light, sidelights, and a sternlight
D: A red light over a white light, sidelights, and a sternlight
4406: BOTH INTERNATIONAL & INLAND Two power-driven vessels are
crossing as shown in DIAGRAM 42. Vessel "A" sounds three
short blasts on the whistle. This signal means that vessel
"A" _______________.
A: intends to hold course and speed
B: is sounding the danger signal
C: is backing engines
D: proposes to cross ahead of the other vessel
4407: BOTH INTERNATIONAL & INLAND A 200-meter vessel is aground in
restricted visibility. Which signal is optional?
A: A bell signal
B: A gong signal
C: A whistle signal
D: All of the above
4408: BOTH INTERNATIONAL & INLAND A fishing vessel displaying the
lights illustrated in DIAGRAM 67 is _______________.
A: anchored
B: underway but not fishing
C: tending a small fishing boat
D: fishing by trawling
4409: BOTH INTERNATIONAL & INLAND A vessel or object being towed
shall display a(n) _____________________.
A: forward masthead light
B: after masthead light
C: sternlight
D: All of the above
4410: BOTH INTERNATIONAL & INLAND The rules state that vessels may
depart from the requirements of the Rules when ____________.
A: there are no other vessels around
B: operating in a narrow channel
C: the Master enters it in the ship's log
D: necessary to avoid immediate danger
4411: BOTH INTERNATIONAL & INLAND For the purpose of the Rules,
except where otherwise required, the term _____.
A: "vessel" includes seaplanes
B: "seaplane" includes nondisplacement craft
C: "vessel engaged in fishing" includes a vessel fishing with
trolling lines
D: "vessel restricted in her ability to maneuver" includes
4412: BOTH INTERNATIONAL & INLAND A vessel displaying the lights
illustrated in DIAGRAM 44 is _____.
A: towing
B: conducting underwater survey operations
C: drifting
D: aground
4413: BOTH INTERNATIONAL & INLAND Which statement is TRUE
concerning a 75-meter power-driven vessel underway at night?
A: She must exhibit an all-round white light at the stern.
B: She must exhibit forward and after masthead lights.
C: She must exhibit only a forward masthead light.
D: She may exhibit a red light over a green light forward.
4414: BOTH INTERNATIONAL & INLAND Every vessel which is directed
by these Rules to keep out of the way of another vessel
shall, if the circumstances of the case admit, avoid ______.
A: crossing ahead of the other
B: crossing astern of the other
C: passing port to port
D: passing starboard to starboard
4415: BOTH INTERNATIONAL & INLAND Which is a danger signal?
A: A continuous sounding of the fog horn
B: Firing a gun every minute
C: Five or more short rapid blasts on the whistle
D: One prolonged blast on the whistle
4416: BOTH INTERNATIONAL & INLAND Navigation lights must be
displayed in all weathers from sunset to sunrise. They also
_________________.
A: must be displayed when day signals are being used
B: must be displayed when moored to a pier
C: may be extinguished at night on open waters when no other
vessels are in the area
D: may be displayed during daylight
4417: BOTH INTERNATIONAL & INLAND What describes a head-on
situation?
A: Seeing a vessel displaying both sidelights ONLY dead ahead
B: Seeing two forward white towing identification lights in a
vertical line on a towing vessel directly ahead
C: Seeing both sidelights of a vessel directly off your
starboard beam
D: Seeing both sidelights and masthead light(s of a vessel
4418: BOTH INTERNATIONAL & INLAND When two vessels are in
immediate danger of collision, the stand-on vessel must
_____________________.
A: abandon ship
B: assist in taking whatever action is necessary to avoid
collision
C: hold course and speed
D: sound a distress signal
4419: BOTH INTERNATIONAL & INLAND A vessel 25 meters in length
must have which sound signaling appliance onboard?
A: None is required
B: Whistle only
C: Whistle and bell only
D: Whistle, bell, and gong
4420: BOTH INTERNATIONAL & INLAND A vessel transferring provisions
or cargo at sea shall display during the day _____________.
A: two black balls in a vertical line
B: three black balls in a vertical line
C: three shapes in a vertical line; the highest and lowest
shall be red balls and the middle a white diamond
D: three black shapes in a vertical line; the highest and
4421: BOTH INTERNATIONAL & INLAND You see a red sidelight bearing
NW (315ø). That vessel may be heading ___________.
A: south (180ø)
B: east (090ø)
C: northeast (045ø)
D: west (270ø)
4422: BOTH INTERNATIONAL & INLAND Each prolonged blast on whistle
signals used by a power-driven vessel in fog, whether making
way or underway but not making way, is ____________.
A: about one second
B: two to four seconds
C: four to six seconds
D: eight to ten seconds
4423: BOTH INTERNATIONAL & INLAND Which statement is TRUE
concerning a "vessel engaged in fishing"?
A: The vessel may be using nets, lines, or trawls.
B: The vessel may be trolling.
C: The vessel shows 2 lights in a vertical line, white over
red.
D: The vessel sounds the same fog signal as a vessel underway,
4424: BOTH INTERNATIONAL & INLAND The Rules state that risk of
collision shall be deemed to exist _____.
A: whenever two vessels approach from opposite directions
B: if the bearing of an approaching vessel does not appreciably
change
C: whenever a vessel crosses ahead of the intended track of
another vessel
D: if one vessel approaches another so as to be overtaking
4425: BOTH INTERNATIONAL & INLAND A power-driven vessel exhibits
the same lights as a ________________.
A: vessel towing, when not underway
B: vessel towing astern
C: sailing vessel
D: pushing vessel and a vessel being pushed, when they are in a
4426: BOTH INTERNATIONAL & INLAND A power-driven vessel is
underway in fog but stopped and making no way through the
water. What is the required fog signal?
A: One prolonged blast at not more than one-minute intervals
B: Two prolonged blasts at not more than one-minute intervals
C: One prolonged blast at not more than two-minute intervals
D: Two prolonged blasts at not more than two-minute intervals
4427: BOTH INTERNATIONAL & INLAND A towing light, according to
the Rules, is a _______________.
A: white light
B: red light
C: yellow light
D: blue light
4428: BOTH INTERNATIONAL & INLAND Which signal shall a
power-driven vessel sound when making way in fog?
A: One short blast every two minutes
B: One prolonged blast every two minutes
C: One prolonged and two short blasts every two minutes
D: Three short blasts every two minutes
4429: BOTH INTERNATIONAL & INLAND Two vessels are meeting head-on.
How must the vessels pass?
A: One vessel must alter course while the other must continue
on its course.
B: The vessels should determine which will alter course by
sounding whistle signals.
C: Both vessels should alter course to port and pass starboard
to starboard.
D: Both vessels should alter course to starboard and pass port
4430: BOTH INTERNATIONAL & INLAND Which vessel does NOT sound a
fog signal of one prolonged followed by two short blasts?
A: A vessel engaged in dredging
B: A sailing vessel
C: A vessel being towed
D: A vessel engaged in fishing
4431: BOTH INTERNATIONAL & INLAND A vessel 50 meters in length at
anchor must sound which fog signal?
A: 5-second ringing of a bell every minute
B: 5-second ringing of a bell every two minutes
C: 5-second sounding of a gong every minute
D: 5-second sounding of both a bell and gong every two minutes
4432: BOTH INTERNATIONAL & INLAND A vessel displaying ONLY the
lights shown in DIAGRAM 61 is ____.
A: fishing
B: a pilot vessel at anchor
C: a fishing vessel aground
D: fishing and hauling her nets
4433: BOTH INTERNATIONAL & INLAND Which vessel is NOT to be
regarded as "restricted in her ability to maneuver"?
A: A vessel transferring provisions while underway
B: A pushing vessel and a vessel being pushed when connected in
a composite unit
C: A vessel servicing a navigation mark
D: A vessel launching aircraft
4434: BOTH INTERNATIONAL & INLAND Which statement correctly
applies to a situation where a sailing vessel is overtaking
a power-driven vessel?
A: The power-driven vessel must keep out of the way of the
sailing vessel.
B: A "special circumstance" situation exists.
C: The sailing vessel must keep out of the way of the power-
driven vessel.
D: The vessel which has the other vessel to the right must keep
4435: BOTH INTERNATIONAL & INLAND Which procedure(s) shall be used
to determine risk of collision?
A: Watching the compass bearing of an approaching vessel
B: Systematic observation of objects detected by radar
C: Long-range radar scanning
D: All of the above
4436: BOTH INTERNATIONAL & INLAND A white masthead light shows
through an arc of how many degrees?
A: 90ø
B: 112.5ø
C: 225ø
D: 360ø
4437: BOTH INTERNATIONAL & INLAND What is the minimum length of an
anchored vessel which is required to show a white light both
forward and aft?
A: 50 meters
B: 100 meters
C: 150 meters
D: 200 meters
4438: BOTH INTERNATIONAL & INLAND You are at anchor in fog.
The fog signal of a vessel underway has been steadily
growing louder and the danger of collision appears to exist.
In addition to your fog signal, what signal may be used
to indicate the presence of your vessel?
A: Three blasts on the whiste; one prolonged, one short,
and one prolonged.
B: Three blasts on the whistle; one short, one prolonged,
and one short.
C: Three blasts on the whistle; one prolonged followed by
two short.
D: No signal other than your fog signal may be used.
4439: BOTH INTERNATIONAL & INLAND Signals required for vessels
aground include _________________.
A: by night, the anchor lights for a vessel of her length, and
three red lights in a vertical line
B: a short, a prolonged, and a short blast
C: by day, three black balls in a vertical line
D: All of the above
4440: BOTH INTERNATIONAL & INLAND Which craft would be considered
a "power-driven vessel" under the Rules of the Road?
A: An auxiliary sail vessel, using her engine
B: A canoe being propelled by a small outboard motor
C: A tug powered by a diesel engine
D: All of the above
4441: BOTH INTERNATIONAL & INLAND At night, power-driven vessel
less than 12 meters in length may, instead of the underway
lights for vessels under 50 meters, show which lights?
A: Sidelights and sternlight
B: One all-round white light and sidelights
C: Masthead light only
D: Sternlight only
4442: BOTH INTERNATIONAL & INLAND Which vessel shall not impede
the passage of a vessel which can only navigate inside a
narrow channel?
A: A vessel of less than 20 meters in length
B: A vessel not under command
C: A vessel engaged in surveying
D: All of the above
4443: BOTH INTERNATIONAL & INLAND Which statement is TRUE in
an overtaking situation?
A: One vessel is approaching another vessel from more than 20ø
abaft the beam.
B: It is the duty of the vessel being overtaken to get out of
the way.
C: Any later change of bearing between the two vessels shall
not make the overtaking vessel a crossing vessel.
D: All of the above
4444: BOTH INTERNATIONAL & INLAND Which vessel must exhibit a
conical shape, apex downwards?
A: A 10-meter vessel engaged in fishing
B: A 15-meter vessel proceeding under sail when also being
propelled by machinery
C: A 20-meter vessel restricted in her ability to maneuver
D: All of the above
4445: BOTH INTERNATIONAL & INLAND Which vessel must show a towing
light above the sternlight?
A: A vessel pushing three barges ahead
B: A vessel towing alongside
C: A vessel with a 150-meter tow astern
D: None of the above
4446: BOTH INTERNATIONAL & INLAND Which is NOT a distress signal?
A: A continuous sounding with any fog signal apparatus
B: A signal sent by radiotelephone consisting of the spoken
word "Mayday"
C: An International Code Signal of N.C.
D: The firing of green star rockets or shells
4447: BOTH INTERNATIONAL & INLAND A rigid replica of the
International Code flag "A" may be shown by a vessel
_____________________.
A: pulling a submarine cable
B: engaged in diving operations
C: engaged in underway replenishment
D: transferring explosives
4448: BOTH INTERNATIONAL & INLAND Vessel "A" is underway and
pushing ahead when vessel "B" is sighted off the starboard
bow as shown in DIAGRAM 5. Which statement is TRUE?
A: Vessel "A" is the stand-on vessel because it is to the port
side of vessel "B".
B: Vessel "A" is the stand-on vessel because it is pushing
ahead.
C: Vessel "B" is the stand-on vessel because it is to starboard
of vessel "A".
D: Neither vessel is the stand-on vessel.
4449: BOTH INTERNATIONAL & INLAND In a crossing situation, which
vessel may sound the danger signal?
A: Give-way vessel
B: Stand-on vessel
C: Either vessel
D: Neither vessel
4450: BOTH INTERNATIONAL & INLAND At night, you sight the lights
illustrated in DIAGRAM 55. What do the lights indicate?
A: A tug with a tow astern
B: A tug with a tow alongside
C: A tug not under command
D: A pipeline
4451: BOTH INTERNATIONAL & INLAND Every vessel should at all times
proceed at a "safe speed". "Safe speed" is defined as that
speed where _____.
A: you can stop within your visibility range
B: you can take proper and effective action to avoid collision
C: you are traveling slower than surrounding vessels
D: no wake comes from your vessel
4452: BOTH INTERNATIONAL & INLAND You are underway in fog and you
hear three distinct bell strokes followed by five seconds of
rapid bell ringing followed by three distinct bell strokes.
This signal indicates a vessel _________________.
A: aground
B: engaged in underwater construction
C: at anchor
D: in distress
4453: BOTH INTERNATIONAL & INLAND Vessels "A" and "B" are crossing
as shown in DIAGRAM 30. Which statement is TRUE?
A: The vessels should pass starboard to starboard.
B: Vessel "B" should pass astern of vessel "A".
C: Vessel "B" should alter course to the right.
D: Vessel "A" must keep clear of vessel "B".
4454: BOTH INTERNATIONAL & INLAND In a crossing situation,a
stand-on vessel which is forced to take action in order
to avoid collision with a vessel on her own port side shall,
if possible, avoid _____________________.
A: turning to port
B: turning to starboard
C: decreasing speed
D: increasing speed
4455: BOTH INTERNATIONAL & INLAND Which vessel is "underway"
within the meaning of the Rules?
A: A vessel at anchor with the engine turning
B: A vessel tied to an offshore mooring buoy
C: A vessel aground with the engine turning
D: A vessel drifting with the engine stopped
4456: BOTH INTERNATIONAL & INLAND What is the required fog signal
for a manned vessel being towed at night?
A: One prolonged followed by one short blast
B: One prolonged followed by three short blasts
C: One prolonged followed by two short blasts
D: Two prolonged blasts
4457: BOTH INTERNATIONAL & INLAND If you anchor your 25-meter
vessel in a harbor, what light(s) must you show?
A: One all-round white light
B: Two all-round white lights
C: One all-round red light
D: All the deck house lights
4458: BOTH INTERNATIONAL & INLAND You see the lights in Diagram 50
on your port bow. You should _____.
A: hold course and speed
B: alter course to port
C: stop engines
D: sound the danger signal
4459: BOTH INTERNATIONAL & INLAND Three short blasts of the
whistle means _______________.
A: "danger"
B: "I am in distress"
C: "my vessel is towing"
D: "I am operating astern propulsion"
4460: BOTH INTERNATIONAL & INLAND Of the vessels listed, which
must keep out of the way of all the others?
A: A sailing vessel
B: A vessel restricted in her ability to maneuver
C: A vessel not under command
D: A vessel fishing
4461: BOTH INTERNATIONAL & INLAND During the day, a vessel with a
tow over 200 meters in length will show _________________.
A: a black ball
B: a diamond shape
C: two cones, apexes together
D: one cone, apex upward
4462: BOTH INTERNATIONAL & INLAND A fog signal of one prolonged
blast followed by four short blasts would mean the presence
of a ________________.
A: vessel being towed
B: fishing vessel trawling
C: vessel at anchor warning of her location
D: power-driven pilot vessel on station underway
4463: BOTH INTERNATIONAL & INLAND You are underway on vessel "B"
approaching vessel "A," as shown in DIAGRAM 38. You are
unable to see any sidelights on vessel "A". This is a(n)
________.
A: meeting situation
B: crossing situation
C: overtaking situation
D: special circumstances situation
4464: BOTH INTERNATIONAL & INLAND A vessel not under command,
underway but not making way, would show ___________________.
A: two all-round red lights in a vertical line
B: sidelights
C: a sternlight
D: All of the above
4465: BOTH INTERNATIONAL & INLAND Traffic separation schemes
established by the International Maritime Organization
________________________.
A: provide routing and scheduling procedures to reduce shipping
delays
B: provide traffic patterns in congested areas, so that vessels
can operate without having a separate lookout
C: provide inbound and outbound lanes to promote the safe flow
of vessel traffic
D: prohibit vessels carrying hazardous cargoes from entering
4466: BOTH INTERNATIONAL & INLAND Which lights shall a 200-meter
vessel exhibit when at anchor?
A: In the forepart of the vessel, a 225-degree white light
B: In the after part of the vessel, a 112.5-degree white light
C: Working lights to illuminate the decks
D: In the forepart of the vessel, a 112.5-degree white light
4467: BOTH INTERNATIONAL & INLAND Under the Rules, the term
"vessel" includes _____.
A: non-self-propelled raft
B: seaplanes
C: hovercrafts
D: All of the above
4468: BOTH INTERNATIONAL & INLAND You see a vessel displaying
three lights in a vertical line. The highest and lowest
lights are red and the middle light is white. She is also
showing a white light at the stern, which is lower than the
forward light. It could be a _________________.
A: survey vessel
B: vessel not under command
C: vessel aground
D: pilot vessel with port side to you
4469: BOTH INTERNATIONAL & INLAND A pilot vessel may continue to
sound an identity signal in fog if she is _______________.
A: aground
B: at anchor
C: not under command
D: no longer on pilotage duty
4470: BOTH INTERNATIONAL & INLAND You are in charge of a stand-on
vessel in a crossing situation. The other vessel is 1.5
miles to port. You believe that risk of collision exists.
You should _____.
A: take avoiding action immediately upon determining that risk
of collision exists
B: immediately sound the danger signal, and change course
C: take avoiding action only after giving the give-way vessel
time to take action, and determining that her action is not
appropriate
D: hold course and speed until the point of extremis, and then
4471: BOTH INTERNATIONAL & INLAND A vessel towing astern
in an operation which severely restricts the towing vessel
and her tow in their ability to deviate from their course
shall, when making way, show _________________.
A: the masthead lights for a towing vessel
B: the lights for a vessel restricted in its ability to
maneuver
C: sidelights, sternlight and towing light
D: All of the above
4472: BOTH INTERNATIONAL & INLAND Which statement is TRUE
concerning seaplanes on the water?
A: A seaplane must exhibit appropriate lights but need not
exhibit shapes.
B: A seaplane should show the lights for a vessel constrained
by her draft.
C: In situations where a risk of collision exists, a seaplane
should always give way.
D: A seaplane on the water shall, in general, keep well clear
4473: BOTH INTERNATIONAL & INLAND A head-on situation at night is
one in which you see _____.
A: one sidelight of a vessel ahead of you
B: one sidelight and a masthead light of a vessel ahead of you
C: one sidelight, a masthead light, and a range light of a
vessel ahead of you
D: both sidelights of a vessel, and/or her masthead lights in
4474: BOTH INTERNATIONAL & INLAND In a crossing situation, the
stand-on vessel should normally _____.
A: take action to cross ahead of the other vessel
B: take action to pass astern of the other vessel
C: maintain course and speed
D: change course and increase speed
4475: BOTH INTERNATIONAL & INLAND A dredge not engaged in dredging
but proceeding to a dredging location at night would ______.
A: not be required to show any lights
B: be required to show the lights characteristic of a dredge
C: be required to show the lights of a stationary dredge
D: be required to show the lights of a power-driven vessel
4476: BOTH INTERNATIONAL & INLAND At night you sight a vessel
displaying one green light. This light could indicate a
_________________.
A: vessel drifting
B: vessel at anchor
C: small motorboat underway
D: sailboat underway
4477: BOTH INTERNATIONAL & INLAND There is a provision to depart
from the Rules, if necessary, to avoid _________________.
A: a close-quarters situation
B: an overtaking situation
C: immediate danger
D: Any of the above
4478: BOTH INTERNATIONAL & INLAND Risk of collision exists when an
approaching vessel has a(n) _____.
A: generally steady bearing and decreasing range
B: generally steady range and increasing bearing
C: increasing range and bearing
D: decreasing bearing only
4479: BOTH INTERNATIONAL & INLAND What signal indicates doubt that
sufficient action is being taken by another vessel to avoid
collision?
A: Five short and rapid blasts of the whistle
B: Three long blasts of the whistle
C: Three short and rapid blasts of the whistle
D: One prolonged blast followed by three short blasts of the
4480: BOTH INTERNATIONAL & INLAND A power-driven vessel towing
another vessel astern (tow less than 200 meters) shall show
_________________.
A: a small white light abaft the funnel
B: three masthead lights in a vertical line instead of either
the forward or after masthead lights
C: two masthead lights in a vertical line instead of either the
forward or after masthead lights
D: two towing lights in a vertical line at the stern
4481: BOTH INTERNATIONAL & INLAND While underway in fog, you hear
the rapid ringing of a bell for about five seconds followed
by the sounding of a gong for about five seconds. This
signal came from a __________.
A: vessel engaged in fishing at anchor
B: sailing vessel at anchor
C: vessel 150 meters in length at anchor
D: vessel aground
4482: BOTH INTERNATIONAL & INLAND You are underway in a narrow
channel and you are being overtaken by a vessel astern. The
overtaking vessel sounds a signal indicating his intention
to pass your vessel on your starboard side. If such an
action appears dangerous you should sound _______________.
A: five short and rapid blasts
B: three short and rapid blasts
C: one prolonged followed by one short blast
D: one prolonged, one short, one prolonged, and one short blast
4483: BOTH INTERNATIONAL & INLAND A vessel restricted in her
ability to maneuver shall _____________________.
A: turn off her sidelights when not making way
B: when operating in restricted visibility, sound a whistle
signal of two prolonged and one short blast
C: show a dayshape of two diamonds in a vertical line
D: keep out of the way of a vessel engaged in fishing
4484: BOTH INTERNATIONAL & INLAND A power-driven vessel at anchor,
not fishing or otherwise restricted in its ability to
maneuver, sounds her fog signal at intervals of not _______.
A: more than one minute
B: more than two minutes
C: more than three minutes
D: less than two minutes
4485: BOTH INTERNATIONAL & INLAND You are underway in reduced
visibility. You hear the fog signal of another vessel about
20ø on your starboard bow. Risk of collision may exist.
You should _________.
A: alter course to starboard to pass around the other vessel
B: reduce your speed to bare steerageway
C: slow your engines and let the other vessel pass ahead of you
D: alter course to port to pass the other vessel on its
4486: BOTH INTERNATIONAL & INLAND What dayshape would a vessel at
anchor show during daylight?
A: One black ball
B: Two black balls
C: Three black balls
D: No signal
4487: BOTH INTERNATIONAL & INLAND A vessel displaying the dayshape
illustrated in DIAGRAM 34 is _______________.
A: towing
B: fishing
C: anchored
D: being towed
4488: BOTH INTERNATIONAL & INLAND You are approaching a bend in a
channel. You cannot see around the bend because of the
height of the bank. You should _______________.
A: stop engines and navigate with caution
B: stay in the middle of the channel
C: sound passing signals to any other vessel that may be on the
other side of the bend
D: sound a whistle blast of 4 to 6 seconds duration
4489: BOTH INTERNATIONAL & INLAND Which statement is TRUE
concerning a vessel of 150 meters in length, at anchor?
A: She may show an all-round white light where it can best be
seen.
B: She must show an all-round white light forward and a second
such light aft.
C: The showing of working lights is optional.
D: None of the above
4490: BOTH INTERNATIONAL & INLAND Which vessel would be required
to show a white light from a lantern exhibited in sufficient
time to prevent collision?
A: A 9-meter sailing vessel
B: A rowboat
C: A 6-meter motorboat
D: A small vessel fishing
4491: BOTH INTERNATIONAL & INLAND Barges being towed at night
___________________.
A: must be lighted at all times
B: must be lighted only if manned
C: must be lighted only if towed astern
D: need not be lighted
4492: BOTH INTERNATIONAL & INLAND You sight another power-driven
vessel dead-ahead showing both the red and green sidelights.
The required action to take would be to ____________.
A: carefully watch his compass bearing
B: start a radar plot in order to ascertain his course
C: alter your course to port
D: alter your course to starboard
4493: BOTH INTERNATIONAL & INLAND You are underway in fog and hear
one short, one prolonged, and one short blast in succession.
What is the meaning of this signal?
A: A vessel is in distress and needs assistance.
B: A vessel is fishing, hauling nets.
C: A vessel is at anchor, warning of her position.
D: A vessel is towing.
4494: BOTH INTERNATIONAL & INLAND An anchored vessel on pilotage
duty must show which light(s) at night?
A: A sternlight only
B: Anchor lights only
C: A white light over a red light only
D: A white light over a red light and anchor lights
4496: BOTH INTERNATIONAL & INLAND A vessel which is fishing is
required to show sidelights and a sternlight only when
____________________.
A: anchored
B: underway
C: dead in the water
D: underway and making way
4497: BOTH INTERNATIONAL & INLAND What is a requirement for any
action taken to avoid collision?
A: When in sight of another vessel, any action taken must be
accompanied by sound signals.
B: The action taken must include changing the speed of the
vessel.
C: The action must be positive and made in ample time.
D: All of the above
4498: BOTH INTERNATIONAL & INLAND In the daytime, you see a large
sailing vessel on the beam. You know that she is also
propelled by machinery if she shows _________________.
A: a basket
B: a black ball
C: a black cone
D: two black cones
4499: BOTH INTERNATIONAL & INLAND At night, the lights illustrated
in DIAGRAM 76 would indicate a vessel _______________.
A: trawling
B: laying submarine cable
C: towing astern
D: dredging
4500: BOTH INTERNATIONAL & INLAND Your vessel is stopped and
making no way, but is not in any way disabled. Another
vessel is approaching you on your starboard beam. Which
statement is TRUE?
A: The other vessel must give way since your vessel is stopped.
B: Your vessel is the give-way vessel in a crossing situation.
C: You should be showing the lights or shapes for a vessel not
under command.
D: You should be showing the lights or shapes for a vessel
4501: BOTH INTERNATIONAL & INLAND For identification purposes at
night, U.S. Navy submarines on the surface may display an
intermittent flashing light of which color?
A: Amber (yellow)
B: White
C: Blue
D: Red
4502: BOTH INTERNATIONAL & INLAND Vessels engaged in fishing may
show the additional signals described in Annex II to the
Rules when they are ______________.
A: trolling
B: fishing in a traffic separation zone
C: in a narrow channel
D: in close proximity to other vessels engaged in fishing
4503: BOTH INTERNATIONAL & INLAND Which vessel must show a
masthead light abaft of and higher than her identifying
lights?
A: A 55-meter vessel fishing
B: A 55-meter vessel trawling
C: A 100-meter vessel not under command
D: A 20-meter vessel engaged on pilotage duty
4504: BOTH INTERNATIONAL & INLAND While underway in a narrow
channel, a vessel should stay _____.
A: in the middle of the channel
B: to the starboard side of the channel
C: to the port side of the channel
D: to the side of the channel that has the widest bends
4505: BOTH INTERNATIONAL & INLAND Vessels of less than what length
may not impede the passage of other vessels in a narrow
fairway?
A: 10 meters
B: 20 meters
C: 30 meters
D: 40 meters
4506: BOTH INTERNATIONAL & INLAND A lantern combining
the sidelights and sternlight MAY be shown on a __________.
A: sailing vessel of 25 meters in length
B: 20-meter vessel engaged in fishing and making way
C: 25-meter power-driven vessel engaged in trolling
D: 6-meter vessel under oars
4507: BOTH INTERNATIONAL & INLAND The lights required by the Rules
must be shown _____.
A: from sunrise to sunset in restricted visibility
B: at all times
C: ONLY from sunset to sunrise
D: whenever a look-out is posted
4508: BOTH INTERNATIONAL & INLAND Which vessel may carry her
sidelights and sternlight in a combined lantern on the mast?
A: An 18-meter sailing vessel
B: A 10-meter sailing vessel also being propelled by machinery
C: A 25-meter sailing vessel
D: All of the above
4509: BOTH INTERNATIONAL & INLAND A vessel nearing a bend or
an area of a channel or fairway where other vessels may
be hidden by an obstruction shall _____.
A: sound the danger signal
B: sound a prolonged blast
C: take all way off
D: post a look-out
4510: BOTH INTERNATIONAL & INLAND You are approaching a vessel
dredging during the day and see two balls in a vertical line
on the port side of the dredge. These shapes mean that
________________.
A: you should pass on the port side of the dredge
B: there is an obstruction on the port side of the dredge
C: the dredge is not under command
D: the dredge is moored
4511: BOTH INTERNATIONAL & INLAND Which statement is TRUE
concerning the light used to accompany whistle signals?
A: It is mandatory to use such a light.
B: The light shall have the same characteristics as a masthead
light.
C: It is used to supplement short blasts of the whistle.
D: All of the above
4512: BOTH INTERNATIONAL & INLAND Which vessel must sound her fog
signal at intervals not to exceed one minute?
A: A power-driven vessel underway, not making way
B: A vessel constrained by her draft
C: A sailing vessel
D: A vessel aground
4513: BOTH INTERNATIONAL & INLAND By day, you sight a vessel
displaying three shapes in a vertical line. The top and
bottom shapes are balls, and the middle shape is a diamond.
It could be a __________________.
A: vessel trolling
B: mineclearing vessel
C: trawler
D: vessel engaged in replenishment at sea
4514: BOTH INTERNATIONAL & INLAND You are heading due east (090ø)
and observe a vessel's red sidelight on your port beam. The
vessel may be heading _____.
A: northwest (315ø)
B: north (000ø)
C: southeast (135ø)
D: southwest (225ø)
4515: BOTH INTERNATIONAL & INLAND When two power-driven vessels
are crossing, which is the stand-on vessel?
A: The vessel which is to starboard of the other vessel
B: The vessel which is to port of the other vessel
C: The larger vessel
D: The vessel that sounds the first whistle signal
4516: BOTH INTERNATIONAL & INLAND Which vessel is, by definition,
unable to keep out of the way of another vessel?
A: Vessel engaged in fishing
B: Vessel restricted in her ability to maneuver
C: Sailing vessel
D: Vessel towing
4517: BOTH INTERNATIONAL & INLAND Which vessel must exhibit
forward and after masthead lights when underway?
A: A 200-meter sailing vessel
B: A 50-meter power-driven vessel
C: A 100-meter vessel engaged in fishing
D: All of the above
4518: BOTH INTERNATIONAL & INLAND As defined in the Rules, a
towing light is a yellow light having the same
characteristics as a(n) ____________.
A: masthead light
B: all-round light
C: sidelight
D: sternlight
4519: BOTH INTERNATIONAL & INLAND A vessel underway and making way
in fog shall sound every two minutes ___________________.
A: one prolonged blast
B: two prolonged blasts
C: one prolonged blast and three short blasts
D: three distinct blasts
4520: BOTH INTERNATIONAL & INLAND When anchoring a 20-meter vessel
at night, you must show _________________.
A: one all-round white light
B: two all-round white lights
C: one all-round white light and the sternlight
D: one all-round white light and a flare up light
4521: BOTH INTERNATIONAL & INLAND According to the Navigation
Rules, all of the following are engaged in fishing EXCEPT a
vessel ___________________.
A: setting nets
B: trawling
C: using a dredge net
D: trolling
4522: BOTH INTERNATIONAL & INLAND When a vessel sounds three short
blasts on the whistle, this indicates that ______________.
A: danger is ahead
B: her engines are going astern
C: the vessel is not under command (broken down)
D: all other vessels should stand clear
4523: BOTH INTERNATIONAL & INLAND A vessel is overtaking when she
approaches another from more than how many degrees abaft the
beam?
A: 0.0ø
B: 11.25ø
C: 22.5ø
D: 45.0ø
4524: BOTH INTERNATIONAL & INLAND What equipment for fog signals
is required for a vessel 20 meters in length?
A: Whistle only
B: Bell only
C: Whistle and bell only
D: Whistle, bell, and gong
4525: BOTH INTERNATIONAL & INLAND Sailing vessels are stand-on
over power-driven vessels except __________________.
A: in a crossing situation
B: in a meeting situation
C: when they are the overtaking vessel
D: on the inland waters of the U.S.
4526: BOTH INTERNATIONAL & INLAND Which statement is TRUE
concerning risk of collision?
A: Risk of collision never exists if the compass bearing of the
other vessel is changing.
B: Proper use shall be made of radar equipment to determine
risk of collision.
C: Risk of collision must be determined before any action can
be taken by a vessel.
D: Risk of collision exists if the vessels will pass within
4527: BOTH INTERNATIONAL & INLAND You are fishing at night, and
you sight a vessel showing three lights in a vertical line.
The upper and lower lights are red and the middle light is
white. Which statement is TRUE?
A: You must keep out of the way of the other vessel.
B: The other vessel is responsible to keep out of your way.
C: The other vessel is at anchor.
D: The rule of special circumstances applies.
4528: BOTH INTERNATIONAL & INLAND Which vessel is to sound a fog
signal of one prolonged followed by two short blasts?
A: A vessel not under command
B: A sailing vessel, underway
C: A vessel restricted in her ability to maneuver when carrying
out her work at anchor
D: All of the above
4529: BOTH INTERNATIONAL & INLAND A vessel may exhibit lights
other than those prescribed by the Rules as long as the
additional lights _____.
A: do not interfere with the keeping of a proper look-out
B: are not the color of either sidelight
C: have a lesser range than the prescribed lights
D: All of the above
4530: BOTH INTERNATIONAL & INLAND Which statement is TRUE
concerning a partly submerged vessel being towed?
A: It must show a yellow light at each end.
B: It will show red lights along its length.
C: A diamond shape will be carried at the aftermost extremity
of the tow.
D: All of the above
4531: BOTH INTERNATIONAL & INLAND Your vessel enters fog. You
stop your engines, and the vessel is dead in the water.
Which fog signal should you sound?
A: One prolonged blast every two minutes
B: Two prolonged blasts every two minutes
C: Three short blasts every two minutes
D: One prolonged and two short blasts every two minutes
4532: BOTH INTERNATIONAL & INLAND The term "power-driven vessel"
refers to any vessel _________________.
A: with propelling machinery onboard whether in use or not
B: making way against the current
C: with propelling machinery in use
D: travelling at a speed greater than that of the current
4533: BOTH INTERNATIONAL & INLAND In which situation do the Rules
require both vessels to change course?
A: Two power-driven vessels meeting head-on
B: Two power-driven vessels crossing when it is apparent to the
stand-on vessel that the give-way vessel is not taking
appropriate action
C: Two sailing vessels crossing with the wind on the same side
D: All of the above
4534: BOTH INTERNATIONAL & INLAND A vessel towing where the tow
prevents her from changing course shall carry _____________.
A: only the lights for a vessel towing
B: only the lights for a vessel restricted in her ability to
maneuver
C: the lights for a towing vessel and the lights for a vessel
restricted in her ability to maneuver
D: the lights for a towing vessel and the lights for a vessel
4535: BOTH INTERNATIONAL & INLAND Which statement is TRUE
concerning the danger signal?
A: May be sounded by the stand-on vessel only
B: Indicates that the vessel is in distress
C: Is used to indicate a course change
D: May be supplemented by an appropriate light signal
4536: BOTH INTERNATIONAL & INLAND If a sailing vessel with the
wind on the port side sees a sailing vessel to windward and
cannot tell whether the other vessel has the wind on the
port or starboard side, she shall __________________.
A: hold course and speed
B: sound the danger signal
C: keep out of the way of the other vessel
D: turn to port and come into the wind
4537: BOTH INTERNATIONAL & INLAND Vessel "A" is on course 000ø T.
Vessel "B" is on a head-on course and is bearing 355ø T,
2 miles away from vessel "A". To ensure a safe passing,
vessel "A" should ____________________.
A: maintain course
B: alter course to port
C: alter course to ensure a starboard to starboard passing
D: maneuver to ensure a port to port passing
4538: BOTH INTERNATIONAL & INLAND What is a vessel "restricted in
her ability to maneuver"?
A: A vessel not under command
B: A vessel constrained by her draft
C: A vessel underway in fog
D: A vessel towing unable to deviate from her course
4539: BOTH INTERNATIONAL & INLAND All of the following are
distress signals under the Rules EXCEPT ___________________.
A: a green star signal
B: orange-colored smoke
C: red flares
D: the repeated raising and lowering of outstretched arms
4540: BOTH INTERNATIONAL & INLAND The lights illustrated in
DIAGRAM 58 are those of a ________________.
A: vessel being towed
B: power-driven vessel of less than 50 meters in length
C: fishing vessel at anchor
D: sailboat
4541: BOTH INTERNATIONAL & INLAND The Rules state that vessels may
depart from the Rules when _________________.
A: there are no other vessels around
B: operating in a narrow channel
C: the Master enters it in the ship's log
D: necessary to avoid immediate danger
4542: BOTH INTERNATIONAL & INLAND A vessel is towing and carrying
the required lights on the masthead. What is the visibility
arc of these lights?
A: 112.5ø
B: 135.0ø
C: 225.0ø
D: 360.0ø
4543: BOTH INTERNATIONAL & INLAND Which situation would be a
"special circumstance" under the Rules?
A: Vessel at anchor
B: More than two vessels meeting
C: Speed in fog
D: Two vessels crossing
4544: BOTH INTERNATIONAL & INLAND You are approaching another
vessel on crossing courses. She is approximately half a
mile distant and is presently on your starboard bow. You
believe she will cross ahead of you. She then sounds a
whistle signal of five short blasts. You should __________.
A: answer the signal and hold course and speed
B: reduce speed slightly to make sure she will have room to
pass
C: make a large course change, accompanied by the appropriate
whistle signal, and slow down if necessary
D: wait for another whistle signal from the other vessel
4545: BOTH INTERNATIONAL & INLAND You are approaching another
vessel and are not sure whether danger of collision exists.
You must assume ______________.
A: there is risk of collision
B: you are the give way vessel
C: the other vessel is also in doubt
D: All of the above are correct.
4546: BOTH INTERNATIONAL & INLAND Which vessel may use the danger
signal?
A: The vessel to starboard when two power-driven vessels are
crossing
B: A vessel engaged in fishing, crossing the course of a
sailing vessel
C: Either of two power-driven vessels meeting head-on
D: All of the above
4547: BOTH INTERNATIONAL & INLAND What is the minimum sound
signaling equipment required aboard a vessel 10 meters in
length?
A: A bell only
B: A whistle only
C: A bell and a whistle
D: Any means of making an efficient sound signal
4548: BOTH INTERNATIONAL & INLAND Which statement is TRUE
regarding equipment for sound signals?
A: A vessel of less than 12 meters in length need not have any
sound signaling equipment.
B: Any vessel over 12 meters in length must be provided with a
gong.
C: Manual sounding of the signals must always be possible.
D: Automatic sounding of the signals is not permitted.
4549: BOTH INTERNATIONAL & INLAND Two sailing vessels are
approaching each other as shown in DIAGRAM 3. Which
statement is correct?
A: Vessel "I" should stand on because she has the wind on her
port side.
B: Vessel "II" should stand on because she has the wind on her
starboard side.
C: Neither vessel is the stand-on vessel because they are
meeting head-on.
D: Vessel "I" should stand on because she is close-hauled.
4550: BOTH INTERNATIONAL & INLAND Which statement concerning an
overtaking situation is correct?
A: The overtaking vessel is the stand-on vessel.
B: Neither vessel is the stand-on vessel.
C: The overtaking vessel must maintain course and speed.
D: The overtaking vessel must keep out of the way of the other.
4551: BOTH INTERNATIONAL & INLAND The Rules state that a vessel
overtaking another vessel is relieved of her duty to keep
clear when __________________.
A: she is forward of the other vessel's beam
B: the overtaking situation becomes a crossing situation
C: she is past and clear of the other vessel
D: the other vessel is no longer in sight
4552: BOTH INTERNATIONAL & INLAND Which statement is
TRUE concerning fog signals?
A: All fog signals for sailing vessels are to be given
at intervals of not more than one minute.
B: A vessel not under command sounds the same fog signal as
a vessel towed.
C: A pilot vessel underway and making way sounds the
pilot identity signal and no other signal.
D: A vessel aground may sound a whistle signal.
4553: BOTH INTERNATIONAL & INLAND Which dayshape would a vessel
aground show during daylight?
A: One black ball
B: Two black balls
C: Three black balls
D: Four black balls
4554: BOTH INTERNATIONAL & INLAND Which vessel must have a gong,
or other equipment which will make the sound of a gong?
A: A sailing vessel
B: Any vessel over 50 meters
C: Any vessel over 100 meters
D: A power-driven vessel over 75 meters
4555: BOTH INTERNATIONAL & INLAND A sailing vessel is proceeding
along a narrow channel and can safely navigate ONLY inside
the channel. The sailing vessel approaches a vessel engaged
in fishing. Which statement is TRUE?
A: The fishing vessel is directed not to impede the passage of
the sailing vessel.
B: The sailing vessel must keep out of the way of the fishing
vessel.
C: Each vessel should move to the edge of the channel on her
port side.
D: Each vessel should be displaying signals for a vessel
4556: BOTH INTERNATIONAL & INLAND Dayshapes MUST be shown ______.
A: during daylight hours
B: during daylight hours except in restricted visibility
C: ONLY between 8 AM and 4 PM daily
D: between sunset and sunrise
4557: BOTH INTERNATIONAL & INLAND Rule 14 describes the action to
be taken by vessels meeting head-on. Which of the
following conditions must exist in order for this rule to
apply?
A: Both vessels must be power-driven.
B: They must be meeting on reciprocal or nearly reciprocal
courses.
C: The situation must involve risk of collision.
D: All of the above
4558: BOTH INTERNATIONAL & INLAND The sternlight shall be
positioned such that it will show from dead astern to how
many degrees on each side of the stern of the vessel?
A: 22.5ø
B: 67.5ø
C: 112.5ø
D: 135.0ø
4559: BOTH INTERNATIONAL & INLAND A vessel aground at night is
required to show two red lights in a vertical line as well
as _____.
A: not under command lights
B: restricted in her ability to maneuver lights
C: anchor lights
D: sidelights and a sternlight
4560: BOTH INTERNATIONAL & INLAND When towing more than one barge
astern at night _______________.
A: only the last barge on the tow must be lighted
B: only the first and the last barges in the tow must be
lighted
C: each barge in the tow must be lighted
D: only manned barges must be lighted
4561: BOTH INTERNATIONAL & INLAND Your vessel is aground in fog.
In addition to the regular anchor signals, you will be
sounding _______________.
A: three strokes of the gong before and after the rapid ringing
of the gong
B: a blast on the whistle
C: three strokes of the bell before and after the rapid ringing
of the bell
D: no additional signals
4562: BOTH INTERNATIONAL & INLAND In a crossing situation, the
vessel which has the other on her own starboard side shall
___________________.
A: if the circumstances of the case admit, avoid crossing ahead
of the other
B: change course to port to keep out of the way
C: reduce her speed
D: All of the above
4563: BOTH INTERNATIONAL & INLAND You are on vessel "A" in
DIAGRAM 32, and hear vessel "B" sound a signal indicating
her intention to overtake you. You feel it is not safe for
vessel "B" to overtake you at the present time. You should
___________________.
A: sound five or more short rapid blasts
B: sound two short blasts
C: not answer the whistle signal from vessel "B"
D: sound three blasts of the whistle
4564: BOTH INTERNATIONAL & INLAND Which vessel sounds the same fog
signal when underway or at anchor?
A: A sailing vessel
B: A vessel restricted in her ability to maneuver
C: A vessel constrained by her draft
D: A vessel not under command
4565: BOTH INTERNATIONAL & INLAND You are approaching a bend in a
river where, due to the bank, you cannot see around the
other side. A vessel on the other side of the bend sounds
one prolonged blast. You should ___________________.
A: sound passing signals
B: not sound any signal until you sight the other vessel
C: sound a prolonged blast
D: sound the danger signal
4567: BOTH INTERNATIONAL & INLAND In DIAGRAM 5, vessel "A", which
is pushing ahead, and vessel "B" are crossing. Which is the
stand-on vessel?
A: Vessel "A" is the stand-on vessel because she is to port of
vessel "B".
B: Vessel "A" is the stand-on vessel because she is pushing
ahead.
C: Vessel "B" is the stand-on vessel because she is to
starboard of vessel "A".
D: Neither vessel is the stand-on vessel in this situation.
4568: BOTH INTERNATIONAL & INLAND Which vessel is "underway"
according to the Rules?
A: A vessel made fast to a single point mooring buoy
B: A purse seiner hauling her nets
C: A pilot vessel at anchor
D: A vessel which has run aground
4569: BOTH INTERNATIONAL & INLAND When two power-driven vessels
are crossing, the vessel which has the other to starboard
must keep out of the way if _____.
A: she is the faster vessel
B: the situation involves risk of collision
C: the vessels will pass within half a mile of each other
D: whistle signals have been sounded
4570: BOTH INTERNATIONAL & INLAND Which signal may at some time be
exhibited by a vessel trawling?
A: Two white lights in a vertical line
B: A white light over a red light in a vertical line
C: Two red lights in a vertical line
D: Any of the above
4571: BOTH INTERNATIONAL & INLAND Risk of collision is considered
to exist if _____.
A: four vessels are nearby
B: a vessel has a steady bearing at a constant range
C: there is any doubt that a risk of collision exists
D: a special circumstance situation is apparent
4572: BOTH INTERNATIONAL & INLAND You are underway in low
visibility and sounding fog signals. What changes would you
make in the fog signal IMMEDIATELY upon losing propulsion?
A: Begin sounding two prolonged blasts at two-minute intervals.
B: Begin sounding one prolonged blast followed by three short
blasts at two-minute intervals.
C: Begin sounding one prolonged blast followed by two short
blasts at two-minute intervals.
D: No change should be made in the fog signal.
4573: BOTH INTERNATIONAL & INLAND A power-driven vessel shows the
same lights as a ___________________.
A: vessel engaged in towing, when not underway
B: vessel towing astern
C: sailing vessel
D: pushing vessel and a vessel being pushed, when they are
4574: BOTH INTERNATIONAL & INLAND Which vessel shall NOT show her
sidelights?
A: A fishing vessel that is not making way
B: A sailing vessel which is becalmed
C: A vessel engaged in underwater operations
D: A vessel that is not under command making way
4575: BOTH INTERNATIONAL & INLAND A vessel is overtaking when
she can see which light(s) of a vessel ahead?
A: Only the sternlight of the vessel
B: One sidelight and a masthead light of the vessel
C: Only a sidelight of the vessel
D: The masthead lights of the vessel
4576: BOTH INTERNATIONAL & INLAND At night you sight the lights
illustrated in DIAGRAM 66. What do the lights indicate?
A: A tug with a tow astern
B: A tug with a tow alongside
C: A ship being assisted by a tug
D: A vessel engaged in fishing
4577: BOTH INTERNATIONAL & INLAND Which statement about the
Navigation Rules is TRUE?
A: The rules require vessels to comply with Traffic Separation
Scheme regulations.
B: The rules use the term "safe speed."
C: The Rules permit a stand-on vessel to take action prior to
being in extremis.
D: All of the above are correct.
4578: BOTH INTERNATIONAL & INLAND A "short blast" on the whistle
has a duration of _________________.
A: 1 second
B: 4 to 6 seconds
C: 8 to 12 seconds
D: 12 to 15 seconds
4579: BOTH INTERNATIONAL & INLAND As defined in the Rules, the
term "vessel" includes _____.
A: seaplanes
B: nondisplacement craft
C: barges
D: All of the above
4580: BOTH INTERNATIONAL & INLAND You see a vessel displaying
ONLY the lights in DIAGRAM 45. This could be a ___________.
A: pilot vessel less than 50 meters, underway and NOT engaged
on pilotage duty
B: vessel engaged in fishing
C: vessel aground less than 50 meters
D: vessel engaged in dredging at anchor with an obstruction on
4581: BOTH INTERNATIONAL & INLAND A vessel shall slacken her
speed, stop, or reverse her engines, if necessary,
to_______________________.
A: avoid collision
B: allow more time to assess the situation
C: be stopped in an appropriate distance
D: All of the above
4582: BOTH INTERNATIONAL & INLAND At night, a vessel displaying
the lights in DIAGRAM 52 is _________________.
A: towing by pushing ahead
B: underway
C: towing a submerged object
D: engaged in dredging
4583: BOTH INTERNATIONAL & INLAND An anchor ball need NOT be
exhibited by a vessel if she is _________________.
A: under 50 meters in length, and anchored in an anchorage
B: over 150 meters in length
C: rigged for sail
D: less than 7 meters in length, and not in or near an area
4584: INTERNATIONAL AND INLAND A vessel that is not equipped
with towing lights should show that it has a vessel in tow
by_________________.
A: continuosly sounding its horn
B: sounding one prolonged followed by two short blasts
at intervals of not more than two minutes
C: shining a searchlight on the towline of the towed vessel
D: None of the above; a vessel shall not engage in towing
4585: BOTH INTERNATIONAL & INLAND While underway at night you are
coming up on a vessel from astern. What lights would you
expect to see?
A: Red and green sidelights
B: Two white lights
C: One white light and red and green sidelights
D: One white light
4586: BOTH INTERNATIONAL & INLAND What describes a head-on
situation?
A: Seeing one red light of a vessel directly ahead
B: Seeing two forward white towing lights in a vertical line on
a towing vessel directly ahead
C: Seeing both sidelights of a vessel directly off your
starboard beam
D: Seeing both sidelights of a vessel directly ahead
4587: BOTH INTERNATIONAL & INLAND A vessel anchored in fog may
warn an approaching vessel by sounding __________________.
A: the whistle continuously
B: one short, one prolonged, and one short blast of the
whistle
C: five or more short and rapid blasts of the whistle
D: three distinct strokes on the bell before and after sounding
4588: BOTH INTERNATIONAL & INLAND While underway in fog, you hear
a vessel ahead sound two prolonged blasts on the whistle.
You should ______________________.
A: sound two blasts and change course to the left
B: sound whistle signals only if you change course
C: sound only fog signals until the other vessel is sighted
D: not sound any whistle signals until the other vessel is
4589: BOTH INTERNATIONAL & INLAND You are operating in restricted
visibility and hear a signal of a rapidly ringing bell
followed by the rapid sounding of a gong. It could be a
_________________.
A: 30-meter sail vessel at anchor
B: 150-meter power-driven vessel aground
C: vessel in distress
D: 300-meter power-driven vessel at anchor
4590: BOTH INTERNATIONAL & INLAND A vessel being towed, if manned,
shall sound a fog signal of _____________________.
A: two short blasts
B: three short blasts
C: one prolonged and two short blasts
D: one prolonged and three short blasts
4591: BOTH INTERNATIONAL & INLAND A vessel using a traffic
separation scheme shall _________.
A: only anchor in the separation zone
B: cross a traffic lane at as small an angle as possible
C: avoid anchoring in areas near the termination of the scheme
D: utilize the separation zone for navigating through the
4592: BOTH INTERNATIONAL & INLAND A proper look-out shall be
maintained _________________.
A: only at night
B: only during restricted visibility
C: at night and during restricted visibility
D: at all times
4593: BOTH INTERNATIONAL & INLAND Risk of collision may be deemed
to exist _____.
A: if the compass bearing of an approaching vessel does NOT
appreciably change
B: even when an appreciable bearing change is evident,
particularly when approaching a vessel at close range
C: if you observe both sidelights of a vessel ahead for an
extended period of time
D: All of the above
4594: BOTH INTERNATIONAL & INLAND The Rules state that certain
factors are to be taken into account when determining safe
speed. Those factors include ______________________.
A: state of wind, sea, and current, and the proximity of
navigational hazards
B: maximum attainable speed of your vessel
C: temperature
D: aids to navigation that are available
4595: BOTH INTERNATIONAL & INLAND Which vessel, when anchored at
night, would NOT be required to show anchor lights?
A: A power-driven vessel
B: A vessel on pilotage duty
C: A vessel dredging
D: A vessel restricted in her ability to maneuver
4596: BOTH INTERNATIONAL & INLAND A vessel displaying the dayshape
in DIAGRAM 13 is _______________.
A: fishing
B: towing
C: being towed
D: anchored
4597: BOTH INTERNATIONAL & INLAND A vessel not under command shall
display ____________________.
A: two red lights at night and two black balls during daylight
B: two red lights at night and three black balls during
daylight
C: three red lights at night and two black balls during
daylight
D: three red lights at night and three black balls during
4598: BOTH INTERNATIONAL & INLAND A vessel engaged in fishing
while at anchor shall sound a fog signal of _____.
A: one prolonged and two short blasts at two-minute intervals
B: one prolonged and three short blasts at two-minute
intervals
C: a rapid ringing of the bell for five seconds at one-minute
intervals
D: a sounding of the bell and gong at one-minute intervals
4599: BOTH INTERNATIONAL & INLAND Underway at night you see the
red sidelight of a vessel well off your port bow. Which
statement is TRUE?
A: You are required to alter course to the right.
B: You must stop engines.
C: You are on a collision course with the other vessel.
D: You may maintain course and speed.
4600: BOTH INTERNATIONAL & INLAND Which vessel would sound a fog
signal consisting of the ringing of a bell for 5 seconds?
A: A vessel engaged in fishing, at anchor
B: A vessel restricted in its ability to maneuver, at anchor
C: A sailing vessel, at anchor
D: A sailing vessel becalmed
4601: BOTH INTERNATIONAL & INLAND A vessel towing a barge astern
would show, at the stern ___________________.
A: only a sternlight
B: a towing light above the sternlight
C: two towing lights in a vertical line
D: two white lights in a vertical line
4602: BOTH INTERNATIONAL & INLAND A fog signal consisting of one
prolonged blast followed by four short blasts would indicate
the presence of a ___________________.
A: vessel being towed
B: fishing vessel engaged in trawling
C: vessel at anchor warning of her location
D: power-driven pilot vessel on station underway
4603: BOTH INTERNATIONAL & INLAND In addition to sidelights what
light should a vessel being towed show?
A: A sternlight
B: A masthead light
C: Not under command lights
D: Range lights
4604: BOTH INTERNATIONAL & INLAND A pilot vessel may continue to
sound an identity signal if she is ___________________.
A: aground
B: at anchor
C: not under command
D: being towed
4605: BOTH INTERNATIONAL & INLAND When two power-driven vessels
are meeting head-on and there is a risk of collision, each
shall _______________.
A: stop her engines
B: alter course to starboard
C: sound the danger signal
D: back down
4606: BOTH INTERNATIONAL & INLAND A power driven vessel when
towing and the length of the tow exceeds 200 meters shall
exhibit during daylight hours where they can best be
seen which of the following shapes?
A: a diamond shape
B: two cones, apexes together
C: a black ball
D: one cone, apex upward
4607: BOTH INTERNATIONAL & INLAND What is the minimum length of
vessels required to show two anchor lights?
A: 40 meters
B: 50 meters
C: 60 meters
D: 70 meters
4608: BOTH INTERNATIONAL & INLAND A vessel showing a rigid replica
of the International Code flag "A" is engaged in __________.
A: diving operations
B: dredging
C: fishing
D: mineclearance operations
4609: BOTH INTERNATIONAL & INLAND In determining "safe speed", all
of the following must be taken into account EXCEPT the
_______________.
A: maximum horsepower of your vessel
B: presence of background lights at night
C: draft of your vessel
D: maneuverability of your vessel
4610: BOTH INTERNATIONAL & INLAND You are aboard the give-way
vessel in a crossing situation. What should you NOT do in
obeying the Rules?
A: Cross ahead of the stand-on vessel
B: Make a large course change to starboard
C: Slow your vessel
D: Back your vessel
4611: BOTH INTERNATIONAL & INLAND A vessel, which does not
normally engage in towing operations, is towing a vessel in
distress. She ___________________.
A: need not show the lights for a vessel engaged in towing, if
it is impractical to do so
B: may show the lights for a vessel not under command
C: must show a yellow light above the sternlight
D: must show the lights for a vessel towing
4612: BOTH INTERNATIONAL & INLAND An all-round flashing yellow
light may be exhibited by a(n) __________________.
A: vessel laying cable
B: vessel towing a submerged object
C: vessel not under command
D: air cushion vessel
4613: BOTH INTERNATIONAL & INLAND Working lights shall be used to
illuminate the decks of a vessel ___________________.
A: over 100 meters at anchor
B: not under command
C: constrained by her draft
D: Any of the above
4614: BOTH INTERNATIONAL & INLAND Which vessel may show
identifying lights when not actually engaged in her
occupation?
A: A fishing vessel
B: A pilot vessel
C: A mineclearance vessel
D: None of the above
4615: BOTH INTERNATIONAL & INLAND A pilot vessel may continue to
sound an identity signal if she is ___________________.
A: underway, but not making way
B: aground
C: being towed
D: not engaged in pilotage duty
4616: BOTH INTERNATIONAL & INLAND If your vessel is the stand-on
vessel in a crossing situation _____.
A: you must keep your course and speed
B: you may change course and speed as the other vessel must
keep clear
C: the other vessel must keep her course and speed
D: both vessels must keep their course and speed
4617: BOTH INTERNATIONAL & INLAND A vessel proceeding along a
narrow channel shall _____.
A: avoid crossing the channel at right angles
B: not overtake any vessels within the channel
C: keep as near as safe and practicable to the limit of the
channel on her starboard side
D: when nearing a bend in the channel, sound a long blast of
4618: BOTH INTERNATIONAL & INLAND Which vessel would exhibit
sidelights when underway and not making way?
A: A vessel towing astern
B: A vessel trawling
C: A vessel not under command
D: A vessel engaged in dredging operations
4619: BOTH INTERNATIONAL & INLAND Which vessel is NOT to impede
the passage of a vessel which can only navigate safely
within a narrow channel?
A: Any vessel less than 20 meters in length
B: Any sailing vessel
C: A vessel engaged in fishing
D: All of the above
4620: BOTH INTERNATIONAL & INLAND A tug is towing three
manned barges in line in fog. The second vessel of the tow
should sound ______________________.
A: no fog signal
B: one short blast
C: one prolonged and three short blasts
D: one prolonged and two short blasts
4621: BOTH INTERNATIONAL & INLAND The steering and sailing rules
for vessels in restricted visibility apply to vessels _____.
A: in sight of one another in fog
B: navigating in or near an area of restricted visibility
C: only if they are showing special purpose lights
D: only if they have operational radar
4622: BOTH INTERNATIONAL & INLAND The Navigation Rules state that
a vessel shall be operated at a safe speed at all times so
that she can be stopped within _____.
A: the distance of visibility
B: 1/2 the distance of visibility
C: a distance appropriate to the existing circumstances and
conditions
D: the distance that it would require for the propeller to go
4623: BOTH INTERNATIONAL & INLAND A towing vessel 35 meters in
length, with a tow 100 meters astern, must show a minimum of
how many masthead lights?
4624: BOTH INTERNATIONAL & INLAND A vessel displaying the lights
in DIAGRAM 56 could be a vessel _______________.
A: towing a barge alongside
B: underway and laying cable
C: at anchor and dredging
D: underway and carrying dangerous cargo
4625: BOTH INTERNATIONAL & INLAND What must be TRUE in order for a
stand-on vessel to take action to avoid collision by her
maneuver alone?
A: She must be in sight of the give-way vessel.
B: There must be risk of collision.
C: She must determine that the give-way vessel is not taking
appropriate action.
D: All of the above
4626: BOTH INTERNATIONAL & INLAND A vessel being towed astern,
where the length of the tow exceeds 200 meters, will exhibit
_________________.
A: two balls in a vertical line
B: a diamond shape where it can best be seen
C: a ball on each end of the tow
D: no dayshape
4627: BOTH INTERNATIONAL & INLAND While underway you sight a
vessel displaying the dayshapes in DIAGRAM 6. You should
____________________.
A: contact the vessel on VHF radiotelephone
B: provide assistance, the other vessel is in distress
C: stay clear, the other vessel cannot get out of the way
D: stop your vessel and sound passing signals
4628: BOTH INTERNATIONAL & INLAND A sailing vessel displaying the
dayshape in DIAGRAM 35 is indicating that she is __________.
A: being propelled by power as well as sail
B: on a starboard tack
C: close-hauled and has difficulty maneuvering
D: fishing as well as sailing
4629: BOTH INTERNATIONAL & INLAND For a stand-on vessel to take
action to avoid collision she shall, if possible, NOT
_______.
A: decrease speed
B: increase speed
C: turn to port for a vessel on her port side
D: turn to starboard for a vessel on her port side
4630: BOTH INTERNATIONAL & INLAND You hear the fog signal of
another vessel forward of your beam. Risk of collision may
exist. You MUST __________.
A: reduce speed to bare steerageway
B: stop your engines
C: begin a radar plot
D: All of the above
4631: BOTH INTERNATIONAL & INLAND Two barges are being pushed
ahead by a towboat. Which statement is TRUE concerning
lights on the barges?
A: Each vessel should show sidelights.
B: Each vessel should show at least one white light.
C: The barges should be lighted as separate units.
D: The barges should be lighted as one vessel.
4632: BOTH INTERNATIONAL & INLAND The Rules state that a seaplane
shall _____________________.
A: not be regarded as a vessel
B: in general, keep well clear of all vessels
C: proceed at a slower speed than surrounding vessels
D: when making way, show the lights for a vessel not under
4633: BOTH INTERNATIONAL & INLAND If practical, when shall a
manned vessel being towed sound her fog signal?
A: Immediately before the towing vessel sounds hers
B: Immediately after the towing vessel sounds hers
C: As close to the mid-cycle of the towing vessel's signals as
possible
D: At any time as long as the interval is correct
4634: BOTH INTERNATIONAL & INLAND Your tug is underway at night
and NOT towing. What light(s) should your vessel show aft
to other vessels coming up from astern?
A: One white light
B: Two white lights
C: One white light and one yellow light
D: One white light and two yellow lights
4635: BOTH INTERNATIONAL & INLAND A vessel conducting mineclearing
operations will show _________________.
A: three balls in a vertical line
B: two balls in a vertical line
C: one ball near the foremast and one ball at each fore yard
D: one diamond near the foremast head and one ball at each
4636: BOTH INTERNATIONAL & INLAND A vessel sailing shall keep out
of the way of all of the following vessels except a vessel
___________________.
A: not under command
B: engaged on pilotage duty
C: restricted in her ability to maneuver
D: engaged in fishing
4637: BOTH INTERNATIONAL & INLAND Which statement is TRUE
concerning a vessel under oars?
A: She must show a sternlight.
B: She is allowed to show the same lights as a sailing vessel.
C: She must show a fixed all-round white light.
D: She must show a dayshape of a black cone.
4638: BOTH INTERNATIONAL & INLAND A power-driven vessel is
underway and fishing with trolling lines. This vessel
_____________________.
A: must keep out of the way of sailing vessels
B: must sound a one prolonged, two short blasts signal in
restricted visibility
C: is the stand-on vessel when overtaking power-driven vessels
D: All of the above
4639: BOTH INTERNATIONAL & INLAND At night you sight a vessel
displaying a single green light. This is a _____.
A: vessel at anchor
B: small motorboat underway
C: vessel drifting
D: sailing vessel
4640: BOTH INTERNATIONAL & INLAND When two power-driven vessels
are crossing, which vessel is the stand-on vessel?
A: The vessel which is to starboard of the other vessel
B: The vessel which is to port of the other vessel
C: The larger vessel
D: The vessel that sounds the first whistle signal
4641: BOTH INTERNATIONAL & INLAND Which vessel must exhibit
forward and after masthead lights when making way?
A: A 75-meter vessel restricted in her ability to maneuver
B: A 100-meter sailing vessel
C: A 150-meter vessel engaged in fishing
D: A 45-meter vessel engaged in towing
4642: BOTH INTERNATIONAL & INLAND By radar alone, you detect a
vessel ahead on a collision course, about 3 miles distant.
Your radar plot shows this to be a meeting situation. You
should _______.
A: turn to port
B: turn to starboard
C: maintain course and speed and sound the danger signal
D: maintain course and speed and sound no signal
4643: BOTH INTERNATIONAL & INLAND A sailing vessel underway at
night may show _________________.
A: a red light over a green light at the masthead
B: a green light over a red light at the masthead
C: two white lights in a vertical line at the stern
D: an all-round white light at the bow
4644: BOTH INTERNATIONAL & INLAND A vessel engaged in trawling
will show identification lights of ___________________.
A: a red light over a white light
B: a white light over a red light
C: a green light over a white light
D: two red lights in a vertical line
4645: BOTH INTERNATIONAL & INLAND What is required of a vessel
navigating near an area of restricted visibility?
A: A power-driven vessel shall have her engines ready for
immediate maneuver.
B: She must sound appropriate sound signals.
C: If she detects another vessel by radar, she shall determine
if risk of collision exists.
D: All of the above
4646: BOTH INTERNATIONAL & INLAND By night, you sight the lights
of a vessel engaged in underwater operations. If an
obstruction exists on the port side of the vessel, it will
be marked by _________________.
A: a floodlight
B: two red lights in a vertical line
C: a single red light
D: any visible lights
4647: BOTH INTERNATIONAL & INLAND At night a vessel displaying the
lights in DIAGRAM 65 is _____________________.
A: fishing
B: anchored
C: being towed
D: drifting
4649: BOTH INTERNATIONAL & INLAND Which vessel may carry her
sidelights and sternlight in one combined lantern?
A: A 10-meter power-driven vessel
B: A 15-meter vessel propelled by sail and machinery
C: A 10-meter sailing vessel
D: All of the above
4650: BOTH INTERNATIONAL & INLAND Which lights would be shown at
night by a vessel which is restricted in her ability to
deviate from her course?
A: Three red lights in a vertical line
B: Three white lights in a vertical line
C: Three lights in a vertical line, the highest and lowest
white and the middle red
D: Three lights in a vertical line, the highest and lowest red
4651: BOTH INTERNATIONAL & INLAND Which vessel is the stand-on
vessel when two vessels crossing in fog are NOT in sight of
one another?
A: The vessel which has the other on her own starboard side
B: The vessel which has the other on her own port side
C: The one which hears the other's fog signal first
D: Neither vessel is the stand-on vessel.
4652: BOTH INTERNATIONAL & INLAND A vessel displaying the
dayshapes in DIAGRAM 18 is _______________.
A: towing astern with a tow greater than 200 meters in length
B: not under command
C: dredging
D: carrying dangerous cargo
4653: BOTH INTERNATIONAL & INLAND A vessel showing the dayshape
in DIAGRAM 34 __________________.
A: has a tow which exceeds 200 meters in length
B: is engaged in surveying or underwater work
C: is not under command
D: is fishing
4654: BOTH INTERNATIONAL & INLAND A vessel engaged in fishing
shall keep out of the way of a vessel _____.
A: under sail
B: restricted in her ability to maneuver
C: crossing a channel
D: All of the above
4655: BOTH INTERNATIONAL & INLAND Which vessels shall turn off
their sidelights?
A: All vessels that are not under command
B: All fishing vessels that are not making way
C: All sailing vessels which are becalmed
D: All vessels engaged in underwater operations
4656: BOTH INTERNATIONAL & INLAND A vessel fishing at night, with
gear extending more than 150 meters horizontally outwards,
will show in the direction of the gear _________________.
A: one white light
B: two vertical white lights
C: one yellow light
D: two vertical yellow lights
4657: BOTH INTERNATIONAL & INLAND In restricted visibility, a
vessel which detects by radar alone the presence of another
vessel shall determine if a close quarters situation is
developing or risk of collision exists. If so, she shall
_____.
A: sound the danger signal
B: when taking action, make only course changes
C: avoid altering course toward a vessel abaft the beam
D: All of the above
4658: BOTH INTERNATIONAL & INLAND A 60-meter vessel which is
trawling is required to show how many white masthead lights
at night?
4659: BOTH INTERNATIONAL & INLAND A vessel servicing a pipeline
during the day shall display ___________________.
A: three black shapes in a vertical line; the highest and
lowest are balls, and the middle one is a diamond
B: three shapes in a vertical line; the highest and lowest are
red balls, and the middle one is a white diamond
C: three black balls in a vertical line
D: two black balls in a vertical line
4660: BOTH INTERNATIONAL & INLAND In fog you observe your radar
and determine that risk of collision exists with a vessel
which is 2 miles off your port bow. You should __________.
A: stop your engines
B: sound the danger signal at two-minute intervals
C: hold course and speed until the other vessel is sighted
D: take avoiding action as soon as possible
4661: BOTH INTERNATIONAL & INLAND Which statement is TRUE
concerning a towing vessel which is unable to deviate from
her course?
A: By day, she shall carry a black cylinder shape.
B: By day, she shall carry two black balls in a vertical line.
C: By night, she would show the same lights as a vessel not
under command.
D: By day, she would show the same shapes as a vessel
4662: BOTH INTERNATIONAL & INLAND Vessel "A" (towing) and vessel
"B" are meeting as shown in DIAGRAM 12. In this situation,
which statement is TRUE?
A: Both vessels should alter course to starboard and pass port
to port.
B: Both vessels should alter course to port and pass starboard
to starboard.
C: Vessel "A" should hold course while vessel "B" alters course
to starboard.
D: Vessel "A" is the stand-on in this situation.
4663: BOTH INTERNATIONAL & INLAND Which statement is TRUE
regarding equipment for bell & gong signals?
A: A vessel of less than 12 meters in length need not have any
sound signaling equipment.
B: Manual sounding of the signals must always be possible.
C: Any vessel over 12 meters in length must be provided with a
gong.
D: Signals must be able to be sounded manually and
4664: BOTH INTERNATIONAL & INLAND You are approaching a narrow
channel. You see a vessel that can only be navigated safely
within the channel. You MUST _____.
A: hold your course and speed
B: sound the danger signal
C: not cross the channel if you might impede the other vessel
D: initiate an exchange of passing signals
4665: BOTH INTERNATIONAL & INLAND What is the minimum sound
signaling equipment required aboard a vessel 10 meters in
length?
A: Any means of making an efficient sound signal
B: A bell only
C: A whistle only
D: A bell and a whistle
4666: BOTH INTERNATIONAL & INLAND Which vessel must have a gong,
or other equipment which will make the sound of a gong?
A: A sailing vessel
B: Any vessel over 50 meters
C: A power driven vessel over 75 meters
D: Any vessel over 100 meters
4667: BOTH INTERNATIONAL & INLAND While underway and in sight of
another vessel, less than one half mile away, you put your
engines on astern propulsion. Which statement concerning
whistle signals is TRUE?
A: You need not sound any whistle signals.
B: You must sound one blast if backing to starboard.
C: You must sound whistle signals only if the vessels are
meeting.
D: You must sound three short blasts on the whistle.
4668: BOTH INTERNATIONAL & INLAND Two power-driven vessels are
crossing as shown in DIAGRAM 42. Vessel "A" sounds three
short blasts on the whistle. This signal means that vessel
"A" _________________.
A: intends to hold course and speed
B: is uncertain about the actions of "B"
C: proposes to cross ahead of the other vessel
D: is backing engines
4669: BOTH INTERNATIONAL & INLAND Which statement is TRUE
concerning the light used with whistle signals?
A: Use of such a light is required.
B: Its purpose is to supplement short blasts of the whistle.
C: The light shall have the same characteristics as a masthead
light.
D: All of the above
4670: BOTH INTERNATIONAL & INLAND What determines if a vessel is
"restricted in her ability to maneuver"?
A: Whether or not all of the vessel's control equipment is in
working order
B: The vessel's draft in relation to the available depth of
water
C: Whether the nature of the vessel's work limits
maneuverability required by the Rules
D: Whether or not the vessel is the give-way vessel in a
4671: BOTH INTERNATIONAL & INLAND Which statement is true
concerning the light used to accompany whistle signals?
A: It is only used to supplement short blasts of the whistle.
B: It is mandatory to use such a light.
C: The light shall have the same characteristics as a masthead
light.
D: All of the above
4672: BOTH INTERNATIONAL & INLAND Which statement is
TRUE concerning the danger signal?
A: Only the stand-on vessel can sound the danger signal.
B: Radio transmissions may be used in place of the
danger signal.
C: A vessel in doubt as to the other vessel's intentions must
sound the danger signal.
D: The danger signal consists of 5 or more prolonged blasts
4673: BOTH INTERNATIONAL & INLAND Which vessel may sound the
danger signal?
A: Either vessel in a meeting situation
B: The give-way vessel in a crossing situation
C: A vessel at anchor
D: All of the above
4674: BOTH INTERNATIONAL & INLAND You are on watch in fog. Which
vessel is "in sight"?
A: A vessel that you can see from the bridge
B: A radar target of which you have determined the course and
speed
C: A vessel from which you can hear the fog signal
D: All of the above
4675: BOTH INTERNATIONAL & INLAND In a meeting situation, which
vessel may sound the danger signal?
A: Stand-on vessel
B: Give-way vessel
C: Either vessel
D: Neither vessel
4676: BOTH INTERNATIONAL & INLAND You are underway in a narrow
channel and are being overtaken by a vessel astern. The
overtaking vessel sounds a signal indicating her intention
to pass you on your starboard side. If such an action
appears dangerous, you should sound ______________.
A: one prolonged followed by one short blast
B: one prolonged, one short, one prolonged, and one short blast
in that order
C: five short and rapid blasts
D: three short and rapid blasts
4677: BOTH INTERNATIONAL & INLAND You are on vessel "A", as shown
in DIAGRAM 32, and hear vessel "B" sound a signal indicating
his intention to overtake you. You feel it is not safe for
vessel "B" to overtake you at the present time. You should
_________________.
A: sound two short blasts
B: sound five or more short and rapid blasts
C: not answer the whistle signal from vessel "B"
D: sound three blasts of the whistle
4678: BOTH INTERNATIONAL & INLAND Which is a light signal
authorized by the Secretary of the Navy as an additional
navigational light for a ship of war?
A: Flashing amber beacon for submarines
B: Green masthead and yardarm lights indicating mine clearance
operations
C: Red-white-red lights in a vertical line for a carrier,
launching aircraft
D: Yellow flares indicating torpedo firing exercises
4680: BOTH INTERNATIONAL & INLAND Dayshapes must be displayed
_____.
A: between sunset and sunrise
B: only between 8 AM and 4 PM
C: during daylight hours in any visibility
D: during daylight hours in unrestricted visibility only
4681: BOTH INTERNATIONAL & INLAND A vessel may exhibit lights
other than those prescribed by the Rules as long as the
additional lights _____.
A: are not the same color as either side light
B: have a lesser range of visibility than the prescribed
lights
C: do not impair the visibility or distinctive character of
the prescribed lights
D: All of the above
4682: BOTH INTERNATIONAL & INLAND A vessel may exhibit lights
other than those prescribed by the Rules as long as the
additional lights _____.
A: do not interfere with the keeping of a proper look-out
B: do not impair the visibility or distinctive character of the
prescribed lights
C: cannot be mistaken for the lights specified elsewhere in
the Rules
D: All of the above
4683: BOTH INTERNATIONAL & INLAND The sternlight shall be
positioned such that it will show from dead astern to how
many degrees on each side of the stern of the vessel?
A: 135.0ø
B: 112.5ø
C: 67.5ø
D: 22.5ø
4684: BOTH INTERNATIONAL & INLAND You see a red sidelight bearing
NW (315ø). That vessel may be heading _________.
A: northwest (315ø)
B: east (090ø)
C: southwest (225ø)
D: west (270ø)
4685: BOTH INTERNATIONAL & INLAND What does the word "breadth"
mean?
A: Greatest breadth
B: Molded breadth
C: Breadth on the main deck
D: Breadth at the load waterline
4686: BOTH INTERNATIONAL & INLAND If underway in low visibility
and sounding fog signals, what changes would you make in the
fog signal IMMEDIATELY upon losing the power plant?
A: Begin sounding one prolonged blast followed by two short
blasts at two-minute intervals.
B: Begin sounding one prolonged blast followed by three short
blasts at two-minute intervals.
C: Begin sounding two prolonged blasts at two-minute intervals.
D: No change should be made in the fog signal.
4687: BOTH INTERNATIONAL & INLAND A vessel engaged in fishing
while at anchor shall sound a fog signal of ______________.
A: one prolonged and three short blasts at one minute
intervals
B: a rapid ringing of the bell for five seconds at one minute
intervals
C: one prolonged and two short blasts at two minute intervals
D: a sounding of the bell and gong at one minute intervals
4688: BOTH INTERNATIONAL & INLAND What is the sound signal for a
vessel 75 meters in length, restricted in her ability to
maneuver, at anchor?
A: One prolonged blast followed by two short blasts at
intervals of not more than two minutes
B: Five second ringing of a bell at intervals of not more than
one minute
C: Four short blasts at intervals of not more than two minutes
D: Five second ringing of a bell and five second sounding of a
4689: BOTH INTERNATIONAL & INLAND Which vessel sounds the same fog
signal when underway or at anchor?
A: A sailing vessel
B: A vessel constrained by her draft
C: A vessel restricted in her ability to maneuver
D: A vessel not under command
4690: BOTH INTERNATIONAL & INLAND Which vessel would sound a fog
signal consisting of the ringing of a bell for 5 seconds?
A: A vessel engaged in fishing, at anchor
B: A vessel restricted in its ability to maneuver, at anchor
C: A sailing vessel, at anchor
D: All of the above
4691: BOTH INTERNATIONAL & INLAND A 200-meter vessel is aground in
fog. Which signal is optional?
A: A bell signal
B: A whistle signal
C: A gong signal
D: All of the above are mandatory.
4692: BOTH INTERNATIONAL & INLAND What is NOT a vessel "restricted
in her ability to maneuver"?
A: A vessel laying mat revetments for bank protection along a
channel
B: A vessel towing with limited maneuverability due to a large
unwieldy tow
C: A deep-draft vessel that can only navigate in a dredged
channel
D: A towing vessel underway with a fuel barge alongside and
4693: BOTH INTERNATIONAL & INLAND A 200-meter vessel is aground in
restricted visibility. Which signal is optional?
A: A whistle signal
B: A gong signal
C: A bell signal
D: All of the above are optional.
4694: BOTH INTERNATIONAL & INLAND Which statement is TRUE
concerning fog signals?
A: All fog signals for sailing vessels are to be given at
intervals of not more than one minute.
B: A vessel aground may sound a whistle signal.
C: A vessel not under command sounds the same fog signal as a
vessel towed.
D: The identity signal of a pilot vessel is the only fog
4695: BOTH INTERNATIONAL & INLAND While underway in fog, you hear
a vessel ahead sound two blasts on the whistle. You should
_________________.
A: not sound any whistle signals until the other vessel is
sighted
B: sound only fog signals until the other vessel is sighted
C: sound whistle signals only if you change course
D: sound two blasts and change course to the left
4696: BOTH INTERNATIONAL & INLAND You are underway in fog when you
hear the rapid ringing of a bell for five seconds followed
by the sounding of a gong for five seconds. This signal
indicates a vessel ____________________.
A: engaged in pair trawling
B: fishing while making no way through the water
C: more than 100 meters in length, at anchor
D: engaged on pilotage duty
4697: BOTH INTERNATIONAL & INLAND A tug is towing three barges
astern in restricted visibility. The second vessel of the
tow should sound ___________________.
A: one prolonged and two short blasts
B: one prolonged and three short blasts
C: one short blast
D: no fog signal
4699: BOTH INTERNATIONAL & INLAND What is the identity signal
which may be sounded by a vessel engaged on pilotage duty
in fog?
A: 2 short blasts
B: 3 short blasts
C: 4 short blasts
D: 5 short blasts
4700: BOTH INTERNATIONAL & INLAND What does the word "length"
refer to?
A: Length between the perpendiculars
B: Length overall
C: Waterline length
D: Register length
4701: BOTH INTERNATIONAL & INLAND A fog signal of one prolonged
blast followed by four short blasts would mean the presence
of a ________________.
A: vessel being towed
B: power-driven pilot vessel on station underway
C: fishing vessel trawling
D: vessel at anchor warning of her location
4702: BOTH INTERNATIONAL & INLAND You are heading due east (090ø)
and observe a vessel's red sidelight on your port beam. The
vessel may be heading __________________.
A: northwest (315ø)
B: southeast (135ø)
C: northeast (045ø)
D: southwest (225ø)
4703: BOTH INTERNATIONAL & INLAND A towing light is a yellow
light having the same characteristics as a(n)
_______________.
A: special flashing light
B: anchor light
C: sternlight
D: masthead light
4704: BOTH INTERNATIONAL & INLAND The masthead light may be
located at other than the fore and aft centerline on a
vessel ______________.
A: less than 50 meters in length
B: less than 20 meters in length
C: of special construction
D: engaged in trolling
4705: BOTH INTERNATIONAL & INLAND In complying with the Rules, of
what must the mariner take due regard?
A: Limited backing power of his vessel
B: Radar information about nearby vessels
C: The occupation of the other vessel, if known
D: All of the above
4706: BOTH INTERNATIONAL & INLAND A "flashing light" is a light
that _____.
A: flashes at regular intervals at a frequency of 120 flashes
or more per minute
B: is yellow in color
C: is visible over an arc of the horizon of not less than 180ø
nor more than 225ø
D: All of the above
4707: BOTH INTERNATIONAL & INLAND While underway at night you are
coming up on a vessel from astern. Which light(s) would you
expect to see?
A: A sternlight only
B: Two masthead lights
C: Both sidelights and the sternlight
D: Sidelights only
4708: BOTH INTERNATIONAL & INLAND At night, a vessel displaying
the lights in DIAGRAM 52 is ________________.
A: at anchor
B: aground
C: underway
D: dredging
4709: BOTH INTERNATIONAL & INLAND At night, a vessel displaying
the lights in DIAGRAM 52 is ________________.
A: aground
B: underway
C: at anchor
D: transferring dangerous cargo
4710: BOTH INTERNATIONAL & INLAND Which vessel would exhibit
sidelights when underway and not making way?
A: A vessel engaged in fishing
B: A vessel not under command
C: A vessel engaged in dredging
D: A power-driven vessel
4711: BOTH INTERNATIONAL & INLAND Which vessel would exhibit
sidelights when underway and not making way?
A: A vessel trawling
B: A vessel not under command
C: A pilot vessel
D: A vessel engaged in dredging
4712: BOTH INTERNATIONAL & INLAND You are on a vessel that the
Secretary has determined cannot comply with the spacing
requirement for masthead lights. What is required in this
situation?
A: The vessel must carry only the lights that comply with the
rules; the others may be omitted.
B: The vessel's lights must comply as closely as possible,
as determined by her government.
C: The vessel must be altered to permit full compliance with
the rules.
D: An all-round light should be substituted for the after
4713: BOTH INTERNATIONAL & INLAND What equipment for fog signals
is required for a vessel 20 meters in length?
A: Whistle and bell only
B: Whistle only
C: Bell only
D: Whistle, bell, and gong
4714: BOTH INTERNATIONAL & INLAND Which vessel would exhibit
sidelights when underway and not making way?
A: A vessel not under command
B: A vessel towing by pushing ahead
C: A vessel engaged in dredging
D: A vessel trawling
4715: BOTH INTERNATIONAL & INLAND What is a "vessel restricted in
her ability to maneuver"?
A: A deep-draft vessel that can only navigate in a dredged
channel
B: A vessel fishing with a bottom trawl that must remain on
course
C: A large tanker that is being towed as a dead ship to dry
dock
D: A vessel laying revetment mats to provide bank protection
4716: BOTH INTERNATIONAL & INLAND Which dayshape should a vessel
being towed exhibit if the tow EXCEEDS 200 meters?
A: A cone, apex downward
B: A cone, apex upward
C: A diamond
D: A ball
4717: BOTH INTERNATIONAL & INLAND A sailing vessel underway at
night MAY show ___________________________________.
A: a green light over a red light
B: a red light over a white light
C: two white lights at the stern
D: None of the above
4718: BOTH INTERNATIONAL & INLAND A vessel displaying the
lights in DIAGRAM 56 could be a vessel _____.
A: fishing at anchor
B: dredging while underway
C: transferring dangerous cargo at a berth
D: restricted in her ability to maneuver, underway but
4719: BOTH INTERNATIONAL AND INLAND The lights in DIAGRAM 68
mean that another vessel should pass no closer than__ _____.
A: 500 meters
B: 1000 meters
C: 1500 meters
D: 2000 meters
4720: BOTH INTERNATIONAL & INLAND A vessel displaying the light
illustrated in DIAGRAM 56 could be a vessel _______________.
A: towing a barge alongside
B: at anchor and dredging
C: underway and engaged in surveying operations
D: not under command and making way
4721: BOTH INTERNATIONAL & INLAND Which vessel when anchored at
night, would not be required to show anchor lights?
A: A vessel engaged in underwater operations
B: A vessel engaged in mine clearance
C: A vessel engaged on pilotage duty
D: A vessel engaged in survey operations
4722: BOTH INTERNATIONAL & INLAND Which vessel, when anchored at
night, is not required to show anchor lights?
A: A power-driven vessel
B: A vessel engaged in survey operations
C: A vessel engaged on pilotage duty
D: A vessel engaged in fishing
4723: BOTH INTERNATIONAL & INLAND You see a vessel displaying ONLY
the lights in DIAGRAM 45. This could be a _____.
A: vessel engaged in fishing at anchor
B: pilot vessel on pilotage duty
C: vessel engaged in launching or recovering aircraft
D: power-driven vessel underway
4724: BOTH INTERNATIONAL & INLAND At night, a vessel displaying
the lights in DIAGRAM 65 is ________________.
A: trawling
B: not under command
C: anchored
D: drifting
4725: BOTH INTERNATIONAL & INLAND What is the minimum sound
signaling equipment required aboard a vessel 14 meters in
length?
A: Any means of making an efficient sound signal
B: A bell only
C: A whistle only
D: A bell and a whistle
4726: BOTH INTERNATIONAL & INLAND A tug is towing three unmanned
barges astern in fog. The third vessel of the tow should
sound ________.
A: no fog signal
B: one short blast
C: one prolonged and three short blasts
D: one prolonged, one short, and one prolonged blast
4728: BOTH INTERNATIONAL & INLAND Which statement is
TRUE, according to the Rules?
A: A vessel engaged in fishing shall keep out of the way of a
sailing vessel.
B: A vessel not under command shall keep out of the way of
a vessel engaged in fishing.
C: A vessel engaged in fishing while underway shall, so far
as possible, keep out of the way of a vessel restricted in
her ability to maneuver.
D: A vessel not under command shall keep out of the way of
4729: BOTH INTERNATIONAL & INLAND Which statement is
TRUE, according to the Rules?
A: A vessel engaged in fishing shall keep out of the way of a
sailing vessel.
B: A vessel engaged in fishing while underway shall, so far
as possible, keep out of the way of a vessel restricted in
her ability to maneuver.
C: A vessel not under command shall keep out of the way of
a vessel restricted in her ability to maneuver.
D: A vessel not under command shall keep out of the way of
4730: BOTH INTERNATIONAL & INLAND Which of the following signals
may be exhibited by a vessel trawling in close proximity to
other fishing vessels?
A: Two white lights in a vertical line
B: A red light over a white light in a vertical line
C: Two fixed yellow lights in a vertical line
D: All of the above
4731: BOTH INTERNATIONAL & INLAND Additional light signals are
provided in the Annexes to the Rules for vessels __________.
A: not under command
B: engaged in fishing
C: engaged in towing
D: under sail
4732: BOTH INTERNATIONAL & INLAND Vessels engaged in fishing may
show the additional signals described in Annex II to the
Rules when they are _______________.
A: trolling
B: fishing in a traffic separation zone
C: in close proximity to other vessels engaged in fishing
D: in a narrow channel
4733: BOTH INTERNATIONAL & INLAND A distress signal __________.
A: consists of 5 or more short blasts of the fog signal
apparatus
B: consists of the raising and lowering of a large white flag
C: may be used separately or with other distress signals
D: is used to indicate doubt about another vessel's intentions
4734: BOTH INTERNATIONAL & INLAND A vessel may use any sound or
light signals to attract the attention of another vessel as
long as ____________.
A: white lights are not used
B: red and green lights are not used
C: the signal cannot be mistaken for a signal authorized by the
Rules
D: the vessel signals such intentions over the radiotelephone
4735: BOTH INTERNATIONAL & INLAND One of the signals, other than a
distress signal, that can be used by a vessel to attract
attention is a(n) _____________________.
A: red star shell
B: searchlight
C: burning barrel
D: orange smoke signal
4736: BOTH INTERNATIONAL & INLAND In restricted visibility a towed
vessel must sound a fog signal when it is _____________ .
A: the last vessel in the tow
B: the last vessel in the tow and it is carrying a crew
C: manned, regardless of its position in the tow
D: None of the above are correct
4737: BOTH INTERNATIONAL & INLAND You are approaching a narrow
channel. Another vessel in the channel can only be
navigated safely in that channel. You should _____________.
A: not cross the channel if you might impede the other vessel
B: hold your course and speed if she is on your port bow
C: sound three short blasts, and take all way off your vessel
D: sound two prolonged blasts followed by one short blast
4738: BOTH INTERNATIONAL & INLAND You are the stand-on vessel
in a crossing situation. If you think the give-way vessel
is NOT taking sufficient action to avoid collision, you
should sound _________________________.
A: one short blast and maintain course
B: five short and rapid blasts
C: no signal and maneuver at will
D: two short blasts, alter to port, and pass astern
4739: BOTH INTERNATIONAL & INLAND Which statement is
TRUE, according to the Rules?
A: A vessel not under command shall keep out of the way of
a vessel restricted in her ability to maneuver.
B: A vessel not under command shall keep out of the way of
a vessel engaged in fishing.
C: A vessel engaged in fishing while underway shall, so far
as possible, keep out of the way of a vessel restricted in
her ability to maneuver.
D: A vessel engaged in fishing shall keep out of the way of a
4745: BOTH INTERNATIONAL & INLAND You are approaching a narrow
channel. Another vessel in the channel can only be
navigated safely in that channel. You should _____________.
A: hold your course and speed if he is on your port bow
B: sound three short blasts, and take all way off your vessel
C: not cross the channel if you might impede the other vessel
D: sound two prolonged blasts followed by one short blast
4770: BOTH INTERNATIONAL & INLAND While underway in fog, you hear
a vessel ahead sound two prolonged blasts on the whistle.
You should _____.
A: sound two blasts and change course to the left
B: sound whistle signals only if you change course
C: not sound any whistle signals until the other vessel is
sighted
D: sound only fog signals until the other vessel is sighted
4780: BOTH INTERNATIONAL & INLAND You are the stand-on vessel in
a crossing situation. If you think the give-way vessel is
NOT taking sufficient action to avoid collision, you should
sound _______________________.
A: the danger signal
B: two short blasts, alter to port, and pass astern
C: no signal and maneuver at will
D: one short blast and maintain course
4818: BOTH INTERNATIONAL AND INLAND A vessel engaged in
mineclearance operations shows special identity lights ____.
A: instead of the masthead lights
B: which mean that other vessels should not approach within
1000 meters
C: that are 225ø green lights
D: All of the above
4819: BOTH INTERNATIONAL & INLAND Which breadth shown in DIAGRAM
87 represents the breadth as defined in the Rules?
4820: BOTH INTERNATIONAL & INLAND You are about to cross a narrow
channel when you see an approaching vessel that can only be
navigated safely within the channel. You should
________________.
A: cross the channel as you are the stand-on vessel
B: cross only if the vessel in the channel is approaching on
your port side
C: not cross the channel if you might impede the other vessel
D: sound the danger signal
4825: BOTH INTERNATIONAL & INLAND What is a light signal
authorized by the Secretary of the Navy as an additional
navigational light for a ship of war?
A: Two yellow lights in a vertical line for a carrier
launching aircraft
B: Green masthead and yardarm lights for a vessel engaged
in mineclearing operations
C: Flashing amber beacon for submarines
D: Yellow flares indicating torpedo firing exercises
4826: BOTH INTERNATIONAL & INLAND According to the Navigation
Rules, you may depart from the Rules when ______________.
A: you do so to avoid immediate danger
B: no vessels are visible on radar
C: you are in a close quarters situation
D: out of sight of land
4827: BOTH INTERNATIONAL & INLAND The Rules state that vessels may
depart from the requirements of the Rules when ________.
A: operating in restricted visibility
B: operating in a narrow channel
C: necessary to avoid immediate danger
D: the Master enters it in the ship's log
4828: BOTH INTERNATIONAL & INLAND The Rules state that vessels may
depart from the Rules when ____________.
A: there are other vessels in the vicinity
B: operating in a traffic separation scheme
C: engaged in a situation involving more than two vessels
D: necessary to avoid immediate danger
4829: BOTH INTERNATIONAL & INLAND The term "restricted
visibility", when used in the Rules, refers to ___________.
A: situations when you can see vessels on radar that you
cannot see visually
B: visibility of less than half a mile
C: any condition where visibility is restricted
D: visibility where you cannot see shore
4830: BOTH INTERNATIONAL & INLAND The Navigation Rules define a
"vessel not under command" as a vessel which ___________.
A: from the nature of her work is unable to keep out of the way
of another vessel
B: does not have a proper look-out
C: by taking action contrary to the Rules has created a
special circumstance situation
D: through some exceptional circumstance is unable to maneuver
4831: BOTH INTERNATIONAL & INLAND Which craft is a "power-driven
vessel" under the Rules of the Road?
A: An auxiliary sailing vessel, using her engine
B: A canoe propelled by a small outboard motor
C: A trawler on her way to the fishing grounds
D: All of the above
4832: BOTH INTERNATIONAL & INLAND A vessel is "in sight" of
another vessel when she _____________.
A: can be observed by radar
B: has determined that risk of collision exists
C: is sounding a fog signal which can be heard on the other
vessel
D: can be observed visually from the other vessel
4833: BOTH INTERNATIONAL & INLAND Which statement is TRUE
concerning a "vessel engaged in fishing"?
A: The vessel is classified as "restricted in her ability to
maneuver".
B: Her gear will not affect the vessel's maneuverability.
C: The vessel may be using nets, lines, or trawls.
D: She sounds the same fog signal as a vessel underway
4834: BOTH INTERNATIONAL & INLAND To be considered "engaged in
fishing" under the Rules, a vessel must be _____.
A: power-driven
B: showing lights or shapes for a vessel restricted in its
ability to maneuver
C: using nets
D: using fishing apparatus which restricts maneuverability
4835: BOTH INTERNATIONAL & INLAND The word "vessel", in the Rules,
includes __________________.
A: a barge permanently affixed to the shore
B: nondisplacement craft
C: a drilling unit attached to the Outer Continental Shelf
D: All of the above
4836: BOTH INTERNATIONAL & INLAND Which vessel is, by definition,
unable to keep out of the way of another vessel?
A: Vessel engaged in fishing
B: Vessel not making way
C: Vessel sailing
D: Vessel restricted in her ability to maneuver
4837: BOTH INTERNATIONAL & INLAND A vessel "restricted in her
ability to maneuver" is one which ______________.
A: through some exceptional circumstance is unable to
maneuver as required by the Rules
B: from the nature of her work is unable to maneuver as
required by the Rules
C: due to adverse weather conditions is unable to maneuver
as required by the Rules
D: has lost steering and is unable to maneuver
4838: BOTH INTERNATIONAL & INLAND What determines if a vessel is
"restricted in her ability to maneuver"?
A: Whether or not all of the vessel's control equipment is
in working order
B: The vessel's draft in relation to the available depth of
water
C: Whether the vessel is operating in a narrow channel
D: The nature of the vessel's work, limiting maneuverability
4839: BOTH INTERNATIONAL & INLAND A vessel is considered to be
"restricted in her ability to maneuver" under the Rules if
she is ________________________________.
A: at anchor
B: mineclearing
C: engaged in fishing
D: engaged in towing
4841: BOTH INTERNATIONAL & INLAND A vessel transferring cargo
while underway is classified by the Rules as a vessel
______________.
A: restricted in her ability to maneuver
B: in special circumstances
C: not under command
D: constrained by her draft
4842: BOTH INTERNATIONAL & INLAND Which vessel is "underway"
according to the Rules?
A: A vessel made fast to a single point mooring buoy
B: A vessel engaged in towing, not making way
C: A pilot vessel at anchor
D: A vessel which has run aground
4843: BOTH INTERNATIONAL AND INLAND According to the Rules,
a vessels length is her _____________.
A: length between the perpendiculars
B: length along the waterline
C: length overall
D: registered length
4844: BOTH INTERNATIONAL & INLAND What does the word "breadth"
mean in the Rules?
A: Breadth on the uppermost continuous deck
B: Molded breadth
C: Greatest breadth
D: Breadth at the load waterline
4845: BOTH INTERNATIONAL & INLAND What represents the length of a
vessel as defined by the Rules?
4846: BOTH INTERNATIONAL & INLAND In determining "safe speed", the
Rules list all of the following as factors which must be
taken into account EXCEPT the _________________________.
A: limitations of radar equipment
B: presence of background lights at night
C: maximum horsepower of your vessel
D: maneuverability of your vessel
4847: BOTH INTERNATIONAL & INLAND The rules require which factor
to be taken into account when determining safe speed?
A: The construction of the vessel
B: The experience of the vessel's crew
C: The location of vessels detected by radar
D: All of the above
4848: BOTH INTERNATIONAL & INLAND The Rules state that
certain factors are to be taken into account when
determining safes peed. One of the factors is the _____.
A: radio communications that are available
B: maximum speed of your vessel
C: temperature
D: current
4849: BOTH INTERNATIONAL & INLAND "Safe speed" is defined as that
speed where _____.
A: you can stop within your visibility range
B: the vessel is not subject to vibrations
C: you are travelling slower than surrounding vessels
D: you can take proper and effective action to avoid
4850: BOTH INTERNATIONAL & INLAND The Rules state that risk of
collision shall be deemed to exist _____.
A: whenever two vessels are on opposite courses
B: whenever a vessel crosses ahead of the intended track of
another vessel
C: if the bearing of an approaching vessel does not
appreciably change
D: if one vessel approaches another so as to be
4851: BOTH INTERNATIONAL & INLAND. In which situation would you
consider a risk of collision to exist?
A: A vessel is one point on your starboard bow, range
increasing, bearing changing slightly to the right.
B: A vessel is broad on your starboard beam, range decreasing,
bearing changing rapidly to the right.
C: A vessel is two points abaft your port beam, range
decreasing, bearing constant.
D: A vessel is on your starboard quarter, range increasing,
4852: BOTH INTERNATIONAL & INLAND What is TRUE when operating in
fog and other vessels are detected by radar?
A: You should make an ample change to port for a vessel
crossing on the starboard bow.
B: You should maneuver in ample time if a close-quarters
situation is developing.
C: You should determine the course and speed of all radar
contacts at six minute intervals.
D: Long-range scanning will provide early warning of ALL other
4853: BOTH INTERNATIONAL & INLAND You are approaching another
vessel on crossing courses. She is about one mile distant
and is on your starboard bow. You believe she will cross
ahead of you but she sounds a whistle signal of five short
blasts. You should _____.
A: answer the signal and hold course and speed
B: reduce speed slightly
C: initiate a passing signal that will allow for a
half mile clearance
D: make a large course change, and slow down if necessary
4854: BOTH INTERNATIONAL & INLAND You are approaching another
vessel on crossing courses. She is approximately half a
mile distant on your starboard bow. You believe she will
cross ahead of you but she sounds a whistle signal of five
short blasts. You should __________.
A: sound a signal of one prolonged blast
B: make a large course change
C: reduce speed slightly to make sure she will have room
to pass
D: wait for another whistle signal from the other vessel
4855: BOTH INTERNATIONAL & INLAND Under the Rules, any vessel may
slacken her speed, stop, or reverse her engines to
__________.
A: create a crossing situation
B: allow more time to assess the situation
C: attract the attention of another vessel
D: All of the above
4856: BOTH INTERNATIONAL & INLAND When in sight of another
vessel, any action taken to avoid collision must _________.
A: be accompanied by sound signals
B: not result in another close quarters situation
C: include a speed change
D: All of the above
4857: BOTH INTERNATIONAL & INLAND A vessel approaching a narrow
channel shall _____.
A: avoid crossing the channel if it impedes another vessel
navigating in the channel
B: not overtake any vessels within the channel
C: keep as close as possible to the edge of the channel on
her port side
D: anchor only in the middle of the channel
4858: BOTH INTERNATIONAL & INLAND When underway in a channel, you
should _____.
A: stay near the middle of the channel
B: keep to the starboard side of any vessels you meet
C: exchange whistle signals with any other vessels in the
channel
D: keep to the side of the channel which lies to your starboard
4859: BOTH INTERNATIONAL & INLAND A sailing vessel is proceeding
along a narrow channel and can safely navigate ONLY inside
the channel. The sailing vessel approaches a vessel engaged
in fishing in the narrow channel. Which statement is TRUE?
A: Each vessel should move to the edge of the channel on
her port side.
B: The vessels are required to exchange signals.
C: The fishing vessel is directed not to impede the
passage of the sailing vessel.
D: Each vessel should be displaying signals for a vessel
4860: BOTH INTERNATIONAL AND INLAND A vessel engaged in
mineclearance operations shows special identity lights ____.
A: in addition to the lights required for a power-driven vessel
B: which means that other vessels should not approach closer
than 500 meters on either side of the vessel
C: that are green and show through an arc of the horizon of
D: All of the above
4861: BOTH INTERNATIONAL & INLAND When navigating in thick fog
with the radar on, you should _________________.
A: station the look-out in the wheelhouse to keep a continuous
watch on the radar
B: secure the sounding of fog signals until a vessel closes
within five miles
C: station a look-out as low down and far forward as possible
D: keep the radar on the shortest available range for early
4862: BOTH INTERNATIONAL AND INLAND You are underway in thick
fog. You have not determined if risk of collision exists.
Which statement is TRUE?
A: Your speed must be reduced to bare steerageway.
B: A look-out is not required if the radar is on.
C: Fog signals are only required when a vessel is detected
by radar.
D: The radar should always be kept on a short-range scale.
4863: BOTH INTERNATIONAL & INLAND A sailing vessel is proceeding
along a narrow channel and can safely navigate ONLY inside
the channel. The sailing vessel approaches a vessel engaged
in fishing. Which statement is TRUE?
A: The fishing vessel must sound the danger signal.
B: The fishing vessel shall not impede the passage of the
sailing vessel.
C: Each vessel should move to the edge of the channel on her
port side.
D: Both vessels should be displaying the signal for a vessel
4864: BOTH INTERNATIONAL AND INLAND Which vessel shall NOT
impede the passage of a vessel which can safely navigate
only within a narrow channel or fairway?
A: A vessel dredging
B: A sailing vessel
C: A vessel servicing an aid to navigation
D: All of the above
4865: BOTH INTERNATIONAL & INLAND Your 15-meter vessel is
crossing a narrow channel and a large cargo vessel to
starboard is within the channel and crossing your course.
You should _________.
A: hold your course and speed
B: sound the danger signal
C: keep out of the way of the cargo vessel
D: do not cross the channel
4866: BOTH INTERNATIONAL & INLAND If two sailing vessels are
running free with the wind on the same side, which one must
keep clear of the other?
A: The one with the wind closest abeam
B: The one to windward
C: The one to leeward
D: The one that sounds the first whistle signal
4868: BOTH INTERNATIONAL & INLAND Which statement is TRUE
concerning two sailing vessels approaching each other?
A: The vessel making the most speed is the give-way vessel.
B: A sailing vessel overtaking another is the give-way vessel.
C: A sailing vessel seeing another to leeward on an
undetermined tack shall hold her course.
D: All of the above
4869: BOTH INTERNATIONAL & INLAND Power-driven vessels must keep
out of the way of sailing vessels except ___________.
A: in a crossing situation
B: when they are making more speed than the power-driven
vessel
C: when the the sailing vessel is overtaking
D: on the Inland Waters of the United States
4870: BOTH INTERNATIONAL & INLAND When do the Rules require both
vessels to change course?
A: Any time the danger signal is sounded
B: When two power-driven vessels are crossing and it is
apparent to the stand-on vessel that the give-way vessel
is not taking appropriate action
C: When two power-driven vessels are meeting head-on
D: All of the above
4871: BOTH INTERNATIONAL & INLAND Your vessel is NOT making way,
but is not in any way disabled. Another vessel is
approaching you on your starboard beam. Which statement is
TRUE?
A: Your vessel is obligated to stay out of the way.
B: The other vessel must give way, since your vessel is
stopped.
C: You should be showing the lights or shapes for a vessel not
under command.
D: You should be showing the lights or shapes for a vessel
4872: BOTH INTERNATIONAL & INLAND If you are the stand-on vessel
in a crossing situation, you may take action to avoid
collision by your maneuver alone. When may this action be
taken?
A: As soon as you determine that risk of collision exists
B: Only when you have reached extremis
C: When it becomes apparent to you that the give-way vessel
is not taking appropriate action
D: When you determine that your present course will cross ahead
4873: BOTH INTERNATIONAL & INLAND In a crossing situation on
open waters, a sailing vessel shall keep out of the way of
all the following vessels EXCEPT a vessel _____.
A: not under command
B: restricted in her ability to maneuver
C: engaged in towing
D: fishing
4874: BOTH INTERNATIONAL & INLAND What would be a "special
circumstance" under the Rules?
A: Vessel at anchor
B: Two vessels meeting
C: Speed in fog
D: More than two vessels crossing
4875: BOTH INTERNATIONAL & INLAND In restricted visibility, a
vessel being towed, if manned, shall sound a signal of ____.
A: one prolonged and three short blasts
B: one prolonged and two short blasts
C: three short blasts
D: two short blasts
4876: BOTH INTERNATIONAL & INLAND You are approaching a narrow
channel. Another vessel in the channel can only be
navigated safely in that channel. You should _____________.
A: sound two prolonged blasts followed by one short blast
B: not cross the channel if you might impede the other vessel
C: sound three short blasts, and take all way off your vessel
D: hold your course and speed if he is on your port bow
4877: BOTH INTERNATIONAL & INLAND You are the stand-on vessel in
a crossing situation. If you think the give-way vessel is
NOT taking sufficient action to avoid collision, you should
sound _____________________.
A: one short blast and maintain course
B: two short blasts, alter to port, and pass astern
C: the danger signal
D: no signal and maneuver at will
5000: BOTH INTERNATIONAL & INLAND While underway in fog, you hear
a vessel ahead sound two prolonged blasts on the whistle.
You should _____.
A: sound only fog signals until the other vessel is sighted
B: not sound any whistle signals until the other vessel is
sighted
C: sound two blasts and change course to the left
D: sound whistle signals only if you change course
5100: BOTH INTERNATIONAL & INLAND Lighting requirements in
inland waters are different from those for international
waters for _____.
A: barges being towed astern
B: vessels not under command
C: vessels pushing ahead
D: All of the above
5150: BOTH INTERNATIONAL & INLAND There are two classes of vessels
which do not have to comply with the rule regarding traffic
separation schemes, to the extent necessary to carry out
their work. One of those is a vessel _______________.
A: engaged in fishing
B: towing another
C: servicing a navigational aid
D: on pilotage duty
5200: BOTH INTERNATIONAL & INLAND In a traffic separation scheme,
when joining a traffic lane from the side, a vessel shall do
so _____________.
A: only in case of an emergency or to engage in fishing within
the zone
B: as nearly as practical at right angles to the general
direction of traffic flow
C: at as small an angle as possible
D: only to anchor within the zone
5300: BOTH INTERNATIONAL & INLAND A traffic separation zone is
that part of a traffic separation scheme which __________.
A: is located between the scheme and the nearest land
B: separates traffic proceeding in one direction from traffic
proceeding in the opposite direction
C: is designated as an anchorage area
D: contains all the traffic moving in the same direction
5350: BOTH INTERNATIONAL & INLAND A vessel using a traffic
separation scheme shall _______________.
A: avoid anchoring in areas near the termination of the scheme
B: avoid crossing traffic lanes, but if obliged to do so, shall
cross on as small an angle as is practical
C: only anchor in the separation zone
D: use the separation zone for navigating through the scheme if
5400: BOTH INTERNATIONAL & INLAND A vessel using a traffic
separation scheme shall NOT _____________.
A: cross a traffic lane
B: engage in fishing the separation zone
C: proceed in an inappropriate traffic lane
D: enter the separation zone
5500: BOTH INTERNATIONAL & INLAND A vessel using a traffic
separation scheme shall _____.
A: only anchor in the separation zone
B: avoid crossing traffic lanes, but if obliged to do so, shall
cross on a heading at as small an angle as is practical
C: avoid anchoring in areas near the termination of the scheme
D: use the separation zone for navigation through the scheme if
6000: BOTH INTERNATIONAL & INLAND While underway in fog, you hear
a vessel ahead sound two prolonged blasts on the whistle.
You should _______________________.
A: sound two blasts and change course to the left
B: sound only fog signals until the other vessel is sighted
C: sound whistle signals only if you change course
D: not sound any whistle signals until the other vessel is
6500: BOTH INTERNATIONAL & INLAND A towing vessel and her tow
are severely restricted in their ability to change course.
When making way, the towing vessel will show ONLY _____.
A: the masthead lights for a towing vessel
B: the lights for a vessel restricted in her ability to
maneuver
C: sidelights,stern light, and towing lights
D: All of the above.
6510: BOTH INTERNATIONAL & INLAND You hear the fog signal of
another vessel forward of your beam. Risk of collision may
exist. You MUST __________.
A: take all way off, if necessary
B: stop your engines
C: begin a radar plot
D: All of the above
6520: BOTH INTERNATIONAL & INLAND A fog signal of one short, one
prolonged, and one short blast may be sounded by a _____.
A: vessel not under command
B: vessel at anchor
C: vessel towing
D: All of the above
6530: BOTH INTERNATIONAL & INLAND You hear the fog signal of
another vessel forward of your beam. Risk of collision may
exist. You MUST _____.
A: stop your engines
B: take all way off, if necessary
C: begin a radar plot
D: All of the above
6540: BOTH INTERNATIONAL & INLAND A vessel may enter a traffic
separation zone ___________.
A: in an emergency
B: to engage in fishing within the zone
C: to cross the traffic separation scheme
D: Any of the above
6550: BOTH INTERNATIONAL & INLAND In a traffic separation scheme,
when joining a traffic lane from the side, a vessel shall do
so _______________.
A: at as small an angle as possible
B: as nearly as practical at right angles to the general
direction of traffic flow
C: only in case of an emergency or to engage in fishing within
the zone
D: never
6560: BOTH INTERNATIONAL & INLAND A vessel using a traffic
separation scheme is forbidden to _________________.
A: proceed through an inappropriate traffic lane
B: engaged in fishing in the separation zone
C: cross a traffic lane
D: enter the separation zone, even in a emergency
6570: BOTH INTERNATIONAL & INLAND A traffic separation zone is
that part of a traffic separation scheme which ________.
A: is between the scheme and the nearest land
B: contains all the traffic moving in one direction
C: is designated as an anchorage area
D: separates traffic proceeding in one direction from traffic
8000: INTERNATIONAL ONLY To indicate that a vessel is constrained
by her draft, a vessel may display, in a vertical line,
____________.
A: three 360ø red lights
B: two 225ø red lights
C: three 360ø blue lights
D: two 225ø blue lights
8001: INTERNATIONAL ONLY A power-driven vessel pushing ahead
or towing alongside displays running lights and _____.
A: two all-round red lights in a vertical line
B: two yellow towing lights in a vertical line
C: two white masthead lights in a vertical line
D: two lights on the stern, one yellow and one white
8002: INTERNATIONAL ONLY Which statement is true concerning a
vessel "constrained by her draft"?
A: She must be a power-driven vessel.
B: She is not under command.
C: She may be a vessel being towed.
D: She is hampered because of her work.
8004: INTERNATIONAL ONLY When moving from a berth alongside a quay
(wharf), a vessel must sound _____.
A: three short blasts
B: a long blast
C: a prolonged blast
D: No signal is required.
8005: INTERNATIONAL ONLY You are in charge of a 250-meter freight
vessel proceeding down a narrow channel. There is a vessel
engaged in fishing on your starboard bow half a mile away.
Which statement is TRUE?
A: You are not to impede the fishing vessel.
B: If you are in doubt as to the fishing vessel's intentions,
you must sound the danger signal.
C: You are to slow to bare steerageway until clear of the
fishing vessel.
D: You must sound one prolonged blast to alert the fishing
8006: INTERNATIONAL ONLY The International Rules of the Road apply
_______________________.
A: to all waters which are not inland waters
B: only to waters outside the territorial waters of the United
States
C: only to waters where foreign vessels travel
D: upon the high seas and connecting waters navigable by
8007: INTERNATIONAL ONLY A towing light is _____.
A: shown at the bow
B: white in color
C: shown in addition to the sternlight
D: an all-round light
8008: INTERNATIONAL ONLY In a narrow channel, an overtaking vessel
which intends to pass on the other vessel's port side would
sound _____.
A: one prolonged followed by two short blasts
B: one short blast
C: two short blasts
D: two prolonged followed by two short blasts
8009: INTERNATIONAL ONLY You are underway on the high seas in
restricted visibility. You hear a fog signal of one
prolonged and two short blasts. It could be any of the
following EXCEPT a vessel _____.
A: minesweeping
B: engaged in fishing
C: constrained by her draft
D: being towed
8010: INTERNATIONAL ONLY A vessel displaying three red lights in a
vertical line is ___________________.
A: not under command
B: aground
C: dredging
D: constrained by her draft
8011: INTERNATIONAL ONLY At night, a power-driven vessel underway
of less than 7 meters in length where its maximum speed does
not exceed 7 knots may show, as a minimum, _____.
A: sidelights and a sternlight
B: the lights required for a vessel more than 7 meters in
length
C: sidelights only
D: one all-round white light
8012: INTERNATIONAL ONLY In a narrow channel, a signal of intent
which must be answered by the other vessel, is sounded by a
vessel ____________________.
A: meeting another head-on
B: crossing the course of another
C: overtaking another
D: Any of the above
8013: INTERNATIONAL ONLY When two vessels are in sight of one
another, all of the following signals may be given EXCEPT
_____________________.
A: a light signal of at least five short and rapid flashes
B: four short whistle blasts
C: one prolonged, one short, one prolonged and one short
whistle blasts
D: two short whistle blasts
8014: INTERNATIONAL ONLY A power-driven vessel leaving a quay or
wharf must sound what signal?
A: Three short blasts
B: A long blast
C: A prolonged blast
D: No signal is required.
8015: INTERNATIONAL ONLY Lighting requirements in inland waters
are different from those in international waters for _____.
A: barges being pushed ahead
B: vessels constrained by their draft
C: vessels towing by pushing ahead
D: All of the above
8016: INTERNATIONAL ONLY What whistle signal, if any, would be
sounded when two vessels are meeting, but will pass clear
starboard to starboard?
A: One short blast
B: Two short blasts
C: Five or more short blasts
D: No signal is required.
8017: INTERNATIONAL ONLY In a narrow channel, a vessel trying to
overtake another on the other vessel's port side, would
sound a whistle signal of _________________.
A: one short blast
B: two short blasts
C: two prolonged blasts followed by one short blast
D: two prolonged blasts followed by two short blasts
8018: INTERNATIONAL ONLY On open water, a power-driven vessel
coming up dead astern of another vessel and altering her
course to starboard so as to pass on the starboard side of
the vessel ahead would sound _____________.
A: two short blasts
B: one short blast
C: two prolonged blasts followed by one short blast
D: one long and one short blast
8019: INTERNATIONAL ONLY If a vessel displays three all-round red
lights in a vertical line at night, during the day she may
show ___________.
A: three balls in a vertical line
B: a cylinder
C: two diamonds in a vertical line
D: two cones, apexes together
8020: INTERNATIONAL ONLY A vessel not under command sounds the
same fog signal as a vessel _____.
A: towing
B: constrained by her draft
C: under sail
D: All of the above
8021: INTERNATIONAL ONLY Your vessel is crossing a narrow channel.
A vessel to port is within the channel and crossing your
course. She is showing a black cylinder. What is your
responsibility?
A: Hold your course and speed.
B: Sound the danger signal.
C: Begin an exchange of passing signals.
D: Do not cross the channel if you might impede the other
8022: INTERNATIONAL ONLY You are approaching another vessel and
will pass starboard to starboard without danger if no course
changes are made. You should ___________________.
A: hold course and sound a two blast whistle signal
B: hold course and sound no whistle signal
C: change course to the right and sound one blast
D: hold course and sound two prolonged and two short blasts
8023: INTERNATIONAL ONLY A fishing vessel is approaching a vessel
not under command. Which statement is TRUE?
A: The fishing vessel must keep clear of the vessel not under
command.
B: If the vessel not under command is a power-driven vessel,
she must keep clear of the fishing vessel.
C: They must exchange whistle signals.
D: Both vessels are required to take action to stay clear of
8024: INTERNATIONAL ONLY Which signal is required to be sounded by
a power driven vessel ONLY?
A: A signal meaning, "I am altering my course to starboard."
B: A signal meaning, "I intend to overtake you on your
starboard side."
C: A signal meaning that the vessel sounding it is in doubt as
to the other vessel's actions.
D: A signal sounded when approaching a bend.
8025: INTERNATIONAL ONLY The light which may be used with a
vessel's whistle is to be ___________________.
A: used when the whistle is broken
B: used prior to sounding the whistle
C: used only at night
D: a white light
8026: INTERNATIONAL ONLY You are in sight of another vessel in a
crossing situation, and the other vessel sounds one short
blast. You are going to hold course and speed. You should
_______________________.
A: answer with one short blast
B: answer with two short blasts
C: sound the danger signal
D: sound no whistle signal
8027: INTERNATIONAL ONLY Two prolonged blasts followed by one
short blast on the whistle is a signal which could be
sounded by a _________________.
A: fishing vessel
B: vessel anchored
C: mineclearing vessel
D: vessel overtaking another in a narrow channel
8028: INTERNATIONAL ONLY In a crossing situation on international
waters, a short blast by the give-way vessel indicates that
the vessel ________.
A: is holding course and speed
B: is turning to starboard
C: intends to pass port to port
D: will keep out of the way of the stand-on vessel
8029: INTERNATIONAL ONLY What dayshape is prescribed for a vessel
constrained by her draft?
A: A black cone, apex upward
B: A black cone, apex downward
C: Two vertical black balls
D: A cylinder
8030: INTERNATIONAL ONLY A vessel not under command sounds the
same fog signal as a vessel _____________________.
A: engaged in towing
B: constrained by her draft
C: under sail
D: All of the above
8031: INTERNATIONAL ONLY Which statement(s) is(are) TRUE
concerning light signals?
A: The time between flashes shall be about five seconds.
B: The time between successive signals shall be not less than
ten seconds.
C: The light signals are to be used when not using sound
signals.
D: All of the above
8032: INTERNATIONAL ONLY Under what circumstances would an
overtaking vessel sound a whistle signal of two prolonged
followed by one short blast?
A: When overtaking in restricted visibility
B: When overtaking in a narrow channel
C: When overtaking on open waters
D: When no other vessels are in the immediate area
8038: INTERNATIONAL ONLY In which case would an overtaking vessel
sound a whistle signal of two prolonged followed by one
short blast?
A: When overtaking in restricted visibility
B: When overtaking in a narrow channel
C: When overtaking on open waters
D: When no other vessels are in the immediate area
8039: INTERNATIONAL ONLY When vessels are in sight of one another,
two short blasts from one of the vessels means ____________.
A: "I am altering my course to starboard"
B: "I am altering my course to port"
C: "I intend to change course to starboard"
D: "I intend to change course to port"
8040: INTERNATIONAL ONLY Which vessel may NOT exhibit two red
lights in a vertical line?
A: A vessel constrained by her draft
B: A trawler fishing in close proximity to other trawlers
C: A vessel aground
D: A dredge
8041: INTERNATIONAL ONLY Vessel "A" is overtaking vessel "B" on
open waters and will pass without changing course. Vessel
"A" ___________.
A: should sound two short blasts
B: should sound the danger signal
C: should sound one long blast
D: will not sound any whistle signals
8042: INTERNATIONAL ONLY Of the vessels listed, which must keep
out of the way of all the others?
A: A vessel constrained by her draft
B: A vessel restricted in her ability to maneuver
C: A vessel on pilotage duty
D: A vessel engaged in fishing
8043: INTERNATIONAL ONLY Which vessel would NOT sound a fog signal
of one prolonged and two short blasts?
A: A vessel not under command
B: A vessel constrained by her draft
C: A vessel being towed
D: A vessel sailing
8044: INTERNATIONAL ONLY In international waters, you are on
Vessel "I" in the situation shown in DIAGRAM 36. Vessel
"II" sounds one short blast. Which action should you take?
A: Sound one short blast and hold course and speed.
B: Hold course and speed
C: Sound one short blast and slow down or turn to starboard.
D: Sound two short blasts, slow down and turn to port
8045: INTERNATIONAL ONLY You intend to overtake a vessel in a
narrow channel, and you intend to pass along the vessel's
port side. How should you signal your intention?
A: No signal is necessary.
B: Two prolonged blasts
C: Two short blasts
D: Two prolonged followed by two short blasts
8046: INTERNATIONAL ONLY A vessel sounds two short blasts. This
signal indicates the vessel ___________________.
A: intends to alter course to port
B: intends to pass starboard to starboard
C: is altering course to port
D: will alter course to port
8047: INTERNATIONAL ONLY A vessel sounds one short blast. This
signal indicates the vessel _________________.
A: intends to alter course to starboard
B: intends to pass starboard to starboard
C: is altering course to starboard
D: intends to pass port to port
8048: INTERNATIONAL ONLY You are underway in a narrow channel, and
you are being overtaken by a vessel astern. After the
overtaking vessel sounds the proper signal indicating his
intention to pass your vessel on your starboard side, you
signal your agreement by sounding ___________.
A: one short blast
B: two prolonged blasts
C: two prolonged followed by two short blasts
D: one prolonged, one short, one prolonged, and one short blast
8049: INTERNATIONAL ONLY Which signal is sounded ONLY when
vessels are NOT in sight of each other?
A: A signal of at least five short and rapid blasts
B: Four short blasts on the whistle
C: One prolonged, one short, one prolonged, and one short
blast on the whistle, in that order
D: Two short blasts on the whistle
8050: INTERNATIONAL ONLY A sailing vessel is overtaking a
power-driven vessel in a narrow channel, so as to pass on
the power-driven vessel's port side. The overtaken vessel
will have to move to facilitate passage. The sailing vessel
is the ___________________.
A: stand-on vessel and would sound two short blasts
B: give-way vessel and would sound no whistle signal
C: stand-on vessel and would sound no whistle signal
D: give-way vessel and would sound two prolonged blasts
8051: INTERNATIONAL ONLY A vessel constrained by her draft may
display _______________.
A: three all-round red lights
B: two 225² red lights
C: three all-round blue lights
D: two 225² blue lights
8052: INTERNATIONAL ONLY Two power-driven vessels are meeting. A
two blast whistle signal by either vessel means __________.
A: "I intend to alter course to port"
B: "I desire to pass starboard to starboard"
C: "I desire to pass port to port"
D: "I am altering course to port"
8053: INTERNATIONAL ONLY A 20-meter power-driven vessel pushing
ahead or towing alongside will display _____.
A: a single white light forward
B: two masthead lights in a vertical line
C: two towing lights in a vertical line
D: two all-round red lights where they can best be seen
8054: INTERNATIONAL ONLY Which statement applies to a vessel
"constrained by her draft"?
A: She is severely restricted in her ability to change her
course because of her draft in relation to the available
depth of water.
B: The term applies only to vessels in marked channels.
C: She is designated as a "vessel restricted in her ability to
maneuver".
D: The vessel must be over 100 meters in length.
8056: INTERNATIONAL ONLY A whistle signal of one prolonged, one
short, one prolonged and one short blast, is sounded by a
vessel ___________.
A: at anchor
B: towing a submerged object
C: being overtaken in a narrow channel
D: in distress
8057: INTERNATIONAL ONLY Your vessel is backing out of a slip in a
harbor and you can see that other vessels are approaching.
You should sound _____.
A: three short blasts when leaving the slip
B: one prolonged blast followed by three short blasts when the
last line is taken aboard
C: one prolonged blast only
D: the danger signal
8058: INTERNATIONAL ONLY Which vessel is to keep out of the way of
the others?
A: A vessel constrained by her draft
B: A vessel engaged in underwater operations
C: A vessel engaged in trawling
D: A vessel not under command
8059: INTERNATIONAL ONLY You are in sight of a power-driven vessel
that sounds two short blasts of the whistle. This signal
means that the vessel ___________________.
A: is altering course to port
B: is altering course to starboard
C: intends to leave you on her port side
D: intends to leave you on her starboard side
8060: INTERNATIONAL ONLY You are operating a vessel in a
narrow channel. Your vessel must stay within the channel to
be navigated safely. Another vessel is crossing your
course from starboard to port, and you are in doubt as to
his intentions. You ______.
A: may sound the danger signal
B: must sound one prolonged and two short blasts
C: should sound one short blast to indicate that you
are holding course and speed
D: are required to back down
8061: INTERNATIONAL ONLY Vessel "A" is overtaking vessel "B" on
open waters as shown in DIAGRAM 17, and will pass without
changing course. Vessel "A" _____________________.
A: should sound two short blasts
B: should sound the danger signal
C: should sound one long blast
D: need not sound any whistle signals
8062: INTERNATIONAL ONLY If you sighted three red lights in a
vertical line on another vessel at night, it would be a
vessel _________________.
A: aground
B: constrained by her draft
C: dredging
D: moored over a wreck
8063: INTERNATIONAL ONLY On open water two vessels are in an
overtaking situation. The overtaking vessel has just
sounded one short blast on the whistle. What is the meaning
of this whistle signal?
A: "I request permission to pass you on my port side."
B: "I will maintain course and speed and pass you on your
starboard side."
C: "On which side should I pass?"
D: "I am changing course to starboard."
8064: INTERNATIONAL ONLY You are underway in fog and hear a fog
signal consisting of one prolonged and two short blasts. It
could be any of the following EXCEPT a vessel _____________.
A: engaged in mineclearance
B: engaged in fishing
C: constrained by her draft
D: being towed
8067: INTERNATIONAL ONLY Which vessel shall avoid impeding the
safe passage of a vessel constrained by her draft?
A: A vessel not under command
B: A fishing vessel
C: A vessel restricted in her ability to maneuver
D: All of the above
8068: INTERNATIONAL ONLY A signal of one prolonged, one short, one
prolonged, and one short blast, in that order is given by a
vessel _________.
A: engaged on pilotage duty
B: in distress
C: at anchor
D: being overtaken in a narrow channel
8069: INTERNATIONAL ONLY Which signal is sounded ONLY by a
vessel in sight of another and NOT in or near an area
of restricted visibility?
A: Four short blasts on the whistle
B: One prolonged blast on the whistle
C: One short blast on the whistle
D: One short, one prolonged, and one short blast on the whistle
8070: INTERNATIONAL ONLY In addition to her running lights, an
underway vessel constrained by her draft may carry in a
vertical line _______________.
A: a red light, a white light, and a red light
B: two red lights
C: two white lights
D: three red lights
8071: INTERNATIONAL ONLY Which vessel is NOT regarded as being
"restricted in her ability to maneuver"?
A: A vessel servicing an aid to navigation
B: A vessel engaged in dredging
C: A towing vessel with tow unable to deviate from its course
D: A vessel constrained by her draft
8072: INTERNATIONAL ONLY When two vessels are in sight of one
another and NOT in or near an area of restricted visibility,
any of the following signals may be given EXCEPT _________.
A: a light signal of at least five short and rapid flashes
B: one prolonged, one short, one prolonged, and one
short whistle blasts
C: four short whistle blasts
D: two short whistle blasts
8073: INTERNATIONAL ONLY In a narrow channel, an overtaking vessel
which intends to PASS on the other vessel's port side would
sound _______________.
A: one prolonged followed by two short blasts
B: one short blast
C: two prolonged followed by two short blasts
D: two short blasts
8074: INTERNATIONAL ONLY Two prolonged blasts followed by one
short blast on the whistle is a signal which would be
sounded by a vessel __________________.
A: overtaking another in a narrow channel
B: anchored
C: engaged in mineclearance
D: engaged in fishing
8075: INTERNATIONAL ONLY You intend to overtake a vessel in a
narrow channel, and you intend to pass along the vessel's
port side. How should you signal your intention?
A: Two short blasts followed by two prolonged blasts
B: Two prolonged followed by two short blasts
C: Two prolonged blasts only
D: Two short blasts only
8076: INTERNATIONAL ONLY You are underway in a narrow channel, and
you are being overtaken by a vessel astern. After the
overtaking vessel sounds the proper signal indicating his
intention to pass your vessel on your starboard side, you
signal your agreement by sounding __________.
A: two prolonged followed by two short blasts
B: one prolonged, one short, one prolonged, and one short blast
C: one short blast
D: two prolonged blasts
8077: INTERNATIONAL ONLY Vessel "A" is overtaking vessel "B"
on open waters and will pass without changing course.
Vessel "A" should _________________.
A: sound two prolonged blasts followed by two short blasts
B: sound the danger signal
C: not sound any whistle signals
D: sound one long blast
8078: INTERNATIONAL ONLY Vessel "A" is overtaking vessel "B" on
open waters as shown in DIAGRAM 17, and will pass without
changing course. Vessel "A" ______.
A: need not sound any whistle signals
B: should sound two short blasts
C: should sound the danger signal
D: should sound one long blast
8079: INTERNATIONAL ONLY Which signal is required to be sounded by
a power-driven vessel, but may be sounded by any vessel?
A: A signal meaning "I intend to overtake you on your starboard
side"
B: A signal meaning that the vessel sounding it is in doubt as
to the other vessel's actions
C: A signal meaning "I am altering my course to starboard"
D: A signal sounded when approaching a bend
8080: INTERNATIONAL ONLY Which signal is sounded ONLY by a
vessel in sight of another?
A: One short blast on the whistle
B: Four short blasts on the whistle
C: One prolonged blast on the whistle
D: One short, one prolonged, and one short blast on the whistle
8081: INTERNATIONAL ONLY The light which may be used with a
vessel's whistle must be _________________.
A: used when the whistle is broken
B: a white light
C: used only at night
D: used prior to sounding the whistle
8082: INTERNATIONAL ONLY Which statement is TRUE concerning light
signals?
A: The time between flashes shall be about five seconds.
B: The light signals are to be used when not using sound
signals.
C: The time between successive signals shall be not less than
ten seconds.
D: All of the above
8083: INTERNATIONAL ONLY While underway and in sight of
another vessel, you put your engines full speed astern.
Which statement concerning whistle signals is TRUE?
A: You must sound three short blasts on the whistle.
B: You must sound one blast if backing to starboard.
C: You must sound whistle signals only if the vessels
are meeting.
D: You need not sound any whistle signals.
8084: INTERNATIONAL ONLY At night, a power-driven vessel less than
7 meters in length, with a maximum speed which does not
exceed 7 knots, may show when underway _____.
A: sidelights combined in a single lantern
B: an all-round flashing yellow light
C: one all-round white light
D: a lantern showing a white light exhibited in sufficient time
8085: INTERNATIONAL ONLY At night, a power-driven vessel less than
7 meters in length, with a maximum speed which does not
exceed 7 knots, MUST show when underway at least _____.
A: one white 360ø light
B: a white light on the near approach of another vessel
C: sidelights and a sternlight
D: the lights required of a vessel less than 12 meters in
8087: INTERNATIONAL ONLY Lighting requirements in inland waters
are different from those for international waters for _____.
A: barges being towed by pushing ahead
B: vessels restricted in their ability to maneuver
C: vessels towing astern
D: barges being towed astern
8088: INTERNATIONAL ONLY A 20-meter power-driven vessel pushing
ahead or towing alongside will display _____.
A: two towing lights in a vertical line
B: a towing light above the sternlight
C: two all-round red lights at the masthead
D: two masthead lights in a vertical line
8089: INTERNATIONAL ONLY A towing light _____.
A: flashes at regular intervals of 50-70 flashes per minute
B: is yellow in color
C: shows an unbroken light over an arc of the horizon of not
less than 180ø nor more than 225ø
D: All of the above
8090: INTERNATIONAL ONLY A towing light is _____.
A: shown below the sternlight
B: white in color
C: displayed at the masthead
D: a yellow light having the same characteristics as the stern
8092: INTERNATIONAL ONLY A light used to signal passing intentions
must be an ________________________.
A: alternating red and yellow light
B: alternating white and yellow light
C: all-round white or yellow light
D: all-round white light only
8096: INTERNATIONAL ONLY A vessel constrained by her draft may
display ___________________.
A: three all-round red lights instead of the lights required
for a power-driven vessel of her class
B: the same lights as a vessel restricted in her ability to
maneuver
C: three all-round red lights in addition to the lights
required for a power-driven vessel of her class
D: the lights for a power-driven vessel which is not under
8097: INTERNATIONAL ONLY Which dayshape is prescribed for a vessel
constrained by her draft?
A: A black diamond
B: A cylinder
C: A black ball
D: A black cone, apex upward
8098: INTERNATIONAL ONLY If at night a vessel displays three
all-round red lights in a vertical line, during the day she
may show ___________.
A: two cones, base to base
B: three black balls in a vertical line
C: a cylinder
D: a cone, apex downward
8099: INTERNATIONAL ONLY A vessel displaying three red lights in a
vertical line is _____________________________________.
A: restricted in her ability to maneuver
B: not under command
C: engaged in mineclearing operations
D: constrained by her draft
8100: INTERNATIONAL ONLY The International Rules of the Road
apply _________.
A: to all waters
B: to any waters inside the territorial waters of the U.S.
C: only to waters where foreign vessels travel
D: upon the high seas and connecting waters navigable by
8101: INTERNATIONAL ONLY Which statement applies to a vessel
"constrained by her draft"?
A: The term only applies to vessels in narrow channels.
B: She is severely restricted in her ability to change her
course because of her draft in relation to the available
depth and width of navigable water.
C: She is designated as a "vessel restricted in her ability to
maneuver".
D: The vessel must be over 100 meters in length.
8102: INTERNATIONAL ONLY Which statement is TRUE concerning a
vessel "constrained by her draft"?
A: She is hampered because of her work.
B: She is unable to maneuver due to some exceptional
circumstance.
C: She may be a vessel being towed.
D: She must be a power-driven vessel.
8103: INTERNATIONAL ONLY Which vessel is NOT "restricted in her
ability to maneuver"?
A: A vessel servicing an aid to navigation
B: A vessel constrained by her draft
C: A towing vessel with tow, unable to deviate from its course
D: A vessel engaged in dredging
8104: INTERNATIONAL ONLY Your vessel is constrained by her
draft and operating in a narrow channel. Another vessel
is crossing your course from starboard to port. You are
in doubt as to her intentions. You ________.
A: should sound one short blast to indicate that you
are holding course and speed
B: must sound one prolonged blast
C: may sound the danger signal
D: are required to back down
8105: INTERNATIONAL ONLY Your vessel is crossing a narrow channel.
A vessel to port is within the channel and crossing your
course. She is showing a black cylinder. You should _____.
A: hold your course and speed
B: not impede the other vessel
C: exchange passing signals
D: sound the danger signal
8111: INTERNATIONAL ONLY Your vessel is backing out of a slip in
a harbor. Visibility is restricted. You should sound
____________________.
A: one prolonged blast only
B: one prolonged blast followed by three short blasts when the
last line is taken aboard
C: one prolonged blast followed by three short blasts when
leaving the slip
D: the danger signal
8113: INTERNATIONAL ONLY You are approaching another vessel and
will pass safely starboard to starboard without changing
course. You should _____.
A: hold course and sound no whistle signal
B: hold course and sound a two blast whistle signal
C: change course to starboard and sound one blast
D: hold course and sound one blast
8114: BOTH INTERNATIONAL AND INLAND Which statement is TRUE
concerning a situation involving a fishing vessel and a
vessel not under command?
A: They are required to communicate by radiotelephone.
B: If the vessel not under command is a power-driven vessel,
she must keep clear of the fishing vessel.
C: The fishing vessel must keep out of the way of the vessel
not under command.
D: Both vessels are required to take action to stay clear of
8115: INTERNATIONAL ONLY Of the vessels listed, which must keep
out of the way of all the others?
A: A vessel constrained by her draft
B: A vessel restricted in her ability to maneuver
C: A vessel pushing a barge
D: A vessel engaged in fishing
8116: INTERNATIONAL ONLY Which vessel shall avoid impeding the
safe passage of a vessel constrained by her draft?
A: A vessel not under command
B: A sailing vessel
C: A vessel restricted in her ability to maneuver
D: All of the above
8118: INTERNATIONAL ONLY A signal of intent must be sounded in
international waters by _______________________.
A: a vessel meeting another head-on
B: a vessel overtaking another in a narrow channel
C: a vessel crossing the course of another
D: the give-way vessel in a crossing situation
8120: INTERNATIONAL ONLY A light used to signal passing intentions
must be an ________________.
A: all-round yellow light only
B: all-round white light only
C: all-round blue light only
D: alternating red and yellow light
8121: INTERNATIONAL ONLY Which statement is TRUE, according
to the Rules?
A: A vessel engaged in fishing while underway shall, so far
as possible, keep out of the way of a vessel restricted in
her ability to maneuver.
B: A vessel not under command shall keep out of the way of
a vessel restricted in her ability to maneuver.
C: A fishing vessel while underway has the right-of-way over
a vessel constrained by her draft.
D: A vessel not under command shall avoid impeding the
8126: INTERNATIONAL ONLY A light used to signal passing intentions
must be an _____.
A: all-round white or yellow light
B: all-round yellow light only
C: all-round white light only
D: Any colored light is acceptable.
8127: INTERNATIONAL ONLY Which statement is TRUE, according
to the Rules?
A: A vessel constrained by her draft shall keep out of the way
of a vessel engaged in fishing.
B: A vessel engaged in fishing while underway shall, so far
as possible, keep out of the way of a vessel restricted in
her ability to maneuver.
C: A vessel not under command shall avoid impeding the
safe passage of a vessel constrained by her draft.
D: A vessel not under command shall keep out of the way of
8128: INTERNATIONAL ONLY Which statement is TRUE, according to
the Rules?
A: A vessel engaged in fishing while underway shall, so far
as possible, keep out of the way of a vessel restricted in
her ability to maneuver.
B: A vessel not under command shall keep out of the way of
a vessel restricted in her ability to maneuver.
C: A vessel engaged in fishing shall keep out of the way of a
sailing vessel.
D: A vessel not under command shall keep out of the way of
8129: INTERNATIONAL ONLY Which statement is TRUE, according
to the Rules?
A: A vessel not under command shall keep out of the way of a
vessel restricted in her ability to maneuver.
B: A vessel not under command shall avoid impeding the
safe passage of a vessel constrained by her draft.
C: A vessel constrained by her draft shall keep out of the way
of a vessel engaged in fishing.
D: A vessel engaged in fishing while underway shall, so far
8131: INTERNATIONAL ONLY What characteristic must a light have if
used to signal passing intentions?
A: It must be an all-round white light.
B: It must be an alternating blue and white light.
C: It must be an all-round white or yellow light.
D: It must be an alternating red and yellow light.
8135: INTERNATIONAL ONLY What characteristic must a light used to
indicate passing intentions have?
A: It must be an alternating red and yellow light.
B: It must be an all-round white light.
C: It must be an all-round yellow light.
D: It must be an all-round blue light.
8136: INTERNATIONAL ONLY A power-driven vessel pushing ahead
or towing alongside will show sidelights, a sternlight, and
_____________________.
A: an all-round red light where it can best be seen
B: two yellow masthead lights in a vertical line
C: two masthead lights in a vertical line
D: a single white light forward