USCG Rules of the road Exam Questions and Answers Solved Correctly Latest 2025-2026
BOTH INTERNATIONAL & INLAND At night, which light(s) is/are required to be shown by a dredge to
indicate the side on which another vessel may pass due to an obstruction that exists? - Answers two
green lights
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. What action should you take? - Answers make big change of course and reduce speed if
necessary
BOTH INTERNATIONAL & INLAND What does the word "breadth" mean? - Answers Greatest breadth
BOTH INTERNATIONAL & INLAND In addition to sidelights, what light(s) should the vessel being towed
astern show? - Answers A stern light
BOTH INTERNATIONAL & INLAND Which light(s) is/are required for a vessel being towed? - Answers
stearn lights and side lights
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. Which vessel are you observing? -
Answers vessel engaged in replenishment at sea
OTH INTERNATIONAL & INLAND What is required of a vessel navigating near an area of restricted
visibility? - Answers A power-driven vessel shall have her engines ready for immediate maneuver. If she
detects another vessel by radar, she shall determine if risk of collision exists. She must sound
appropriate sound signals.
INLAND ONLY You are overtaking another power-driven 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, what action should you take? - Answers not overtake the other vessel until both
vessels exchange the same passing signal
BOTH INTERNATIONAL & INLAND A 200 meter vessel restricted in her ability to maneuver, at anchor,
will sound which fog signal? - Answers One prolonged followed by two short blasts every 2 minutes
BOTH INTERNATIONAL & INLAND You are underway in fog and you hear one prolonged blast followed
by three short blasts. This signal indicates which vessel? - Answers A towing vessel
BOTH INTERNATIONAL & INLAND The vessel whose lights are shown in illustration D082RR below is
navigating in a narrow channel. Which statement about this vessel is TRUE? - Answers It shall not
impede the passage of any other vessel navigating within the channel or fairway.
BOTH INTERNATIONAL & INLAND A power-driven vessel has on her port side a sailing vessel which is on
a collision course. Which action is the power-driven vessel required to take? - Answers keep clear,
passing at a safe distance
, INLAND ONLY At night, you see the lights shown in illustration D075RR below. These lights are shown by
what type of vessel? - Answers tug pushing a barge ahead Yellow over Yellow - Pushing a S(FL)pecial
Fellow
BOTH INTERNATIONAL & INLAND The tow shown in illustration D024RR below is less than 200 meters in
length and severely restricted in her ability to deviate from her course. Which shape(s) would be
displayed by day from the vessel(s)? - Answers ball-diamond-ball on the towing vessel
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 __________. - Answers not required to show
any anchor lights
INLAND ONLY At night, a barge moored in a slip used primarily for mooring purposes shall exhibit which
of the following? - Answers No required lights
BOTH INTERNATIONAL & INLAND Which vessel is a "vessel restricted in her ability to maneuver" under
the Rules? - Answers A vessel mineclearing
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. Which vessel is required to sound this
signal?A) At anchor, greater than 100 meters - Answers Aground
INTERNATIONAL ONLY You have sighted three red lights in a vertical line on another vessel dead ahead
at night. Which vessel would display these lights? - Answers A vessel constrained by her draft
BOTH INTERNATIONAL & INLAND While underway in fog you hear a rapid ringing of a bell ahead. Which
vessel would this signal indicate? - Answers A vessel at anchor
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 __________. - Answers traffic separation
schemes
BOTH INTERNATIONAL & INLAND Which signal may at some time be exhibited by a vessel trawling? -
Answers A white light over a red light in a vertical line Two white lights in a vertical line Two red lights in
a vertical line
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? - Answers Two unobstructed all-round white lights
BOTH INTERNATIONAL & INLAND You do NOT understand the course or intention of an approaching
vessel. Which signal should you sound? - Answers Sound not less than five short blasts
BOTH INTERNATIONAL & INLAND When is a fishing vessel required to show sidelights and a stern light? -
Answers underway and making way
BOTH INTERNATIONAL & INLAND At night, which light(s) is/are required to be shown by a dredge to
indicate the side on which another vessel may pass due to an obstruction that exists? - Answers two
green lights
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. What action should you take? - Answers make big change of course and reduce speed if
necessary
BOTH INTERNATIONAL & INLAND What does the word "breadth" mean? - Answers Greatest breadth
BOTH INTERNATIONAL & INLAND In addition to sidelights, what light(s) should the vessel being towed
astern show? - Answers A stern light
BOTH INTERNATIONAL & INLAND Which light(s) is/are required for a vessel being towed? - Answers
stearn lights and side lights
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. Which vessel are you observing? -
Answers vessel engaged in replenishment at sea
OTH INTERNATIONAL & INLAND What is required of a vessel navigating near an area of restricted
visibility? - Answers A power-driven vessel shall have her engines ready for immediate maneuver. If she
detects another vessel by radar, she shall determine if risk of collision exists. She must sound
appropriate sound signals.
INLAND ONLY You are overtaking another power-driven 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, what action should you take? - Answers not overtake the other vessel until both
vessels exchange the same passing signal
BOTH INTERNATIONAL & INLAND A 200 meter vessel restricted in her ability to maneuver, at anchor,
will sound which fog signal? - Answers One prolonged followed by two short blasts every 2 minutes
BOTH INTERNATIONAL & INLAND You are underway in fog and you hear one prolonged blast followed
by three short blasts. This signal indicates which vessel? - Answers A towing vessel
BOTH INTERNATIONAL & INLAND The vessel whose lights are shown in illustration D082RR below is
navigating in a narrow channel. Which statement about this vessel is TRUE? - Answers It shall not
impede the passage of any other vessel navigating within the channel or fairway.
BOTH INTERNATIONAL & INLAND A power-driven vessel has on her port side a sailing vessel which is on
a collision course. Which action is the power-driven vessel required to take? - Answers keep clear,
passing at a safe distance
, INLAND ONLY At night, you see the lights shown in illustration D075RR below. These lights are shown by
what type of vessel? - Answers tug pushing a barge ahead Yellow over Yellow - Pushing a S(FL)pecial
Fellow
BOTH INTERNATIONAL & INLAND The tow shown in illustration D024RR below is less than 200 meters in
length and severely restricted in her ability to deviate from her course. Which shape(s) would be
displayed by day from the vessel(s)? - Answers ball-diamond-ball on the towing vessel
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 __________. - Answers not required to show
any anchor lights
INLAND ONLY At night, a barge moored in a slip used primarily for mooring purposes shall exhibit which
of the following? - Answers No required lights
BOTH INTERNATIONAL & INLAND Which vessel is a "vessel restricted in her ability to maneuver" under
the Rules? - Answers A vessel mineclearing
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. Which vessel is required to sound this
signal?A) At anchor, greater than 100 meters - Answers Aground
INTERNATIONAL ONLY You have sighted three red lights in a vertical line on another vessel dead ahead
at night. Which vessel would display these lights? - Answers A vessel constrained by her draft
BOTH INTERNATIONAL & INLAND While underway in fog you hear a rapid ringing of a bell ahead. Which
vessel would this signal indicate? - Answers A vessel at anchor
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 __________. - Answers traffic separation
schemes
BOTH INTERNATIONAL & INLAND Which signal may at some time be exhibited by a vessel trawling? -
Answers A white light over a red light in a vertical line Two white lights in a vertical line Two red lights in
a vertical line
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? - Answers Two unobstructed all-round white lights
BOTH INTERNATIONAL & INLAND You do NOT understand the course or intention of an approaching
vessel. Which signal should you sound? - Answers Sound not less than five short blasts
BOTH INTERNATIONAL & INLAND When is a fishing vessel required to show sidelights and a stern light? -
Answers underway and making way
