U.S.C.G. Merchant Marine Exam Navigation General – Rules of the Road
Study online at https://quizlet.com/_g7ucjc
1. BOTH INTERNATIONAL & INLAND Which signal, other D. D. Searchlight beam
than a distress signal, can be used by a vessel to attract
attention?
A. Flames from a burning barrel
B. Orange smoke signal
C. Continuous sounding of a fog signal apparatus
D. Searchlight beam
2. When entering a channel from seaward, which is TRUE A. The numbers increase
concerning the numbers on buoys? with the even numbers to
A. The numbers increase with the even numbers to starboard
starboard
B. The numbers are the same as their Light List num-
ber
C. The numbers decrease with the odd numbers to
starboard
D. They are marked in 6 inch figures with retro-reflec-
tive material
3. How should a look-out, in the merchant service, report C. Relative bearings
sightings?
A. Magnetic bearings
B. True bearings
C. Relative bearings
D. Gyro bearings
4. You are sailing south on the Intracoastal Waterway C. You should leave the
(ICW) when you sight a red nun buoy with a yellow buoy on your port hand.
square painted on it. Which of the following is TRUE?
A. The yellow square is in error and it should be a
yellow triangle.
B. This buoy marks the end of the ICW in that geo-
, U.S.C.G. Merchant Marine Exam Navigation General – Rules of the Road
Study online at https://quizlet.com/_g7ucjc
graphic area.
C. You should leave the buoy on your port hand.
D. The yellow is retro-reflective material used to assist
in sighting the buoy at night.
5. INLAND ONLY Which statement is TRUE concerning B. An all-round white light
lighting requirements for Great Lakes vessels? may be carried in lieu of
A. The showing of a forward masthead light is optional the second masthead light
for vessels under 150 meters. and stern light.
B. An all-round white light may be carried in lieu of the
second masthead light and stern light.
C. Great Lakes vessels are exempted from the require-
ment to show yellow towing lights.
D. Sidelights for vessels over 50 meters are required to
have only a two-mile range of visibility.
6. INLAND ONLY A vessel leaving a dock or berth D. she is a power-driven
must sound a prolonged blast of the whistle only if vessel
__________.
A. visibility is restricted
B. other vessels can be seen approaching
C. her engines are going astern
D. she is a power-driven vessel
7. BOTH INTERNATIONAL & INLAND Which vessel must A vessel with a 150-meter
show a towing light above the stern light? tow astern
A. A vessel towing alongside
B. A vessel with a 150-meter tow astern
C. A vessel pushing three barges ahead
D. None of the above
8. BOTH INTERNATIONAL & INLAND When navigating in
thick fog with the radar on, which action should you
, U.S.C.G. Merchant Marine Exam Navigation General – Rules of the Road
Study online at https://quizlet.com/_g7ucjc
take? D. Station a look-out as low
A. Secure the sounding of fog signals until a vessel down and far forward as
closes within five miles possible
B. Station the look-out in the wheelhouse to keep a
continuous watch on the radar
C. Keep the radar on the shortest available range for
early detection of approaching vessels
D. Station a look-out as low down and far forward as
possible
9. BOTH INTERNATIONAL & INLAND A vessel aground Three strokes on the bell
in fog shall sound, in addition to the proper anchor before and after the an-
signal, which of the following? chor signal
A. Three strokes on the bell before and after the anchor
signal
B. One prolonged and one short blast on the whistle
C. Three strokes on the gong before and after sound-
ing the anchor signal
D. Four short blasts on the whistle
10. Which is TRUE concerning magnetic compass devia- It is the angular difference
tion? between magnetic north
A. It is the angular difference between magnetic north and compass north
and compass north
B. It is published on the compass rose on most nautical
charts
C. It varies depending upon the bearing used
D. It is the angular difference between geographic and
magnetic meridians
11. A vessel heading ENE is on which course? C. 067.5°
A. 022.5°
Study online at https://quizlet.com/_g7ucjc
1. BOTH INTERNATIONAL & INLAND Which signal, other D. D. Searchlight beam
than a distress signal, can be used by a vessel to attract
attention?
A. Flames from a burning barrel
B. Orange smoke signal
C. Continuous sounding of a fog signal apparatus
D. Searchlight beam
2. When entering a channel from seaward, which is TRUE A. The numbers increase
concerning the numbers on buoys? with the even numbers to
A. The numbers increase with the even numbers to starboard
starboard
B. The numbers are the same as their Light List num-
ber
C. The numbers decrease with the odd numbers to
starboard
D. They are marked in 6 inch figures with retro-reflec-
tive material
3. How should a look-out, in the merchant service, report C. Relative bearings
sightings?
A. Magnetic bearings
B. True bearings
C. Relative bearings
D. Gyro bearings
4. You are sailing south on the Intracoastal Waterway C. You should leave the
(ICW) when you sight a red nun buoy with a yellow buoy on your port hand.
square painted on it. Which of the following is TRUE?
A. The yellow square is in error and it should be a
yellow triangle.
B. This buoy marks the end of the ICW in that geo-
, U.S.C.G. Merchant Marine Exam Navigation General – Rules of the Road
Study online at https://quizlet.com/_g7ucjc
graphic area.
C. You should leave the buoy on your port hand.
D. The yellow is retro-reflective material used to assist
in sighting the buoy at night.
5. INLAND ONLY Which statement is TRUE concerning B. An all-round white light
lighting requirements for Great Lakes vessels? may be carried in lieu of
A. The showing of a forward masthead light is optional the second masthead light
for vessels under 150 meters. and stern light.
B. An all-round white light may be carried in lieu of the
second masthead light and stern light.
C. Great Lakes vessels are exempted from the require-
ment to show yellow towing lights.
D. Sidelights for vessels over 50 meters are required to
have only a two-mile range of visibility.
6. INLAND ONLY A vessel leaving a dock or berth D. she is a power-driven
must sound a prolonged blast of the whistle only if vessel
__________.
A. visibility is restricted
B. other vessels can be seen approaching
C. her engines are going astern
D. she is a power-driven vessel
7. BOTH INTERNATIONAL & INLAND Which vessel must A vessel with a 150-meter
show a towing light above the stern light? tow astern
A. A vessel towing alongside
B. A vessel with a 150-meter tow astern
C. A vessel pushing three barges ahead
D. None of the above
8. BOTH INTERNATIONAL & INLAND When navigating in
thick fog with the radar on, which action should you
, U.S.C.G. Merchant Marine Exam Navigation General – Rules of the Road
Study online at https://quizlet.com/_g7ucjc
take? D. Station a look-out as low
A. Secure the sounding of fog signals until a vessel down and far forward as
closes within five miles possible
B. Station the look-out in the wheelhouse to keep a
continuous watch on the radar
C. Keep the radar on the shortest available range for
early detection of approaching vessels
D. Station a look-out as low down and far forward as
possible
9. BOTH INTERNATIONAL & INLAND A vessel aground Three strokes on the bell
in fog shall sound, in addition to the proper anchor before and after the an-
signal, which of the following? chor signal
A. Three strokes on the bell before and after the anchor
signal
B. One prolonged and one short blast on the whistle
C. Three strokes on the gong before and after sound-
ing the anchor signal
D. Four short blasts on the whistle
10. Which is TRUE concerning magnetic compass devia- It is the angular difference
tion? between magnetic north
A. It is the angular difference between magnetic north and compass north
and compass north
B. It is published on the compass rose on most nautical
charts
C. It varies depending upon the bearing used
D. It is the angular difference between geographic and
magnetic meridians
11. A vessel heading ENE is on which course? C. 067.5°
A. 022.5°
