OUPV Navigation Rules Exam Prep
2025 Questions and Answers
INLAND ONLY. You are underway in a narrow channel on vessel "A" and intend to
overtake vessel "B". You sound two short blasts and vessel "B" immediately sounds 5
short rapid blasts on her whistle. You should:
A. Pass w 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 5 short blasts then stop your vessel until the other vessel initiates a signal
D. Slow or stop and exact radical maneuvers from "B" - ✔✔B. Hold your relative
position, and then sound another signal after the situation has stabilized
INLAND ONLY Which vessel is not defined in the Inland Navigation Rules?
A. Seaplane
B. RAM
C. Fishing vessel
D. CBD - ✔✔D. CBD
INLAND ONLY When is a yellow light NOT used to identify a vessel?
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,A. US Submarines
B. Vessels towing by pushing ahead
C. Law enforcement vessels
D. Dredge pipelines on trestles - ✔✔C. Law enforcement vessels
INLAND ONLY When NOT part of a composite unit, what lights are required for a
barge being pushed ahead?
A. sidelights and 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 - ✔✔C. sidelights and a special flashing
light
INLAND ONLY crossing signals shall be sounded on inland waters by:
A. All vessels upon sighting anther vessel rounding a bend
B. Towing vessels when meeting another towing vessel on a sunny day
C. Power-driven vessels when less than half a mile ahead of another power-driven
vessel
D. All of the above - ✔✔C. Power-driven vessels when less than half a mile ahead of
another power-driven vessel
INLAND ONLY. At night, a light signal consisting of two flashes by a vessel indicates
__________.
A. The intent to communicate over radio telephone
B. that the vessel is in distress
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, C. the intent to overtake another vessel to her starboard
D. the intent to leave another vessel to her starboard - ✔✔D. the intent to leave another
vessel to her starboard
INLAND ONLY. Two power-driven 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 ether vessel - ✔✔C. must
be exchanged if passing agreements have not been made by radio
INLAND ONLY. A power-driven vessel, when leaving a berth or dock, is required to
sound which signal?
A. One short blast
B. One long blast
C. One prolonged blast
D. The doubt signal - ✔✔C. One prolonged blast
Inland only. According to the navigation rules which is a characteristic of 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 225 degrees
D. All of the above - ✔✔D. All of the above
COPYRIGHT © 2025 BY OLIVIA WEST, ALL RIGHTS RESERVED 3
2025 Questions and Answers
INLAND ONLY. You are underway in a narrow channel on vessel "A" and intend to
overtake vessel "B". You sound two short blasts and vessel "B" immediately sounds 5
short rapid blasts on her whistle. You should:
A. Pass w 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 5 short blasts then stop your vessel until the other vessel initiates a signal
D. Slow or stop and exact radical maneuvers from "B" - ✔✔B. Hold your relative
position, and then sound another signal after the situation has stabilized
INLAND ONLY Which vessel is not defined in the Inland Navigation Rules?
A. Seaplane
B. RAM
C. Fishing vessel
D. CBD - ✔✔D. CBD
INLAND ONLY When is a yellow light NOT used to identify a vessel?
COPYRIGHT © 2025 BY OLIVIA WEST, ALL RIGHTS RESERVED 1
,A. US Submarines
B. Vessels towing by pushing ahead
C. Law enforcement vessels
D. Dredge pipelines on trestles - ✔✔C. Law enforcement vessels
INLAND ONLY When NOT part of a composite unit, what lights are required for a
barge being pushed ahead?
A. sidelights and 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 - ✔✔C. sidelights and a special flashing
light
INLAND ONLY crossing signals shall be sounded on inland waters by:
A. All vessels upon sighting anther vessel rounding a bend
B. Towing vessels when meeting another towing vessel on a sunny day
C. Power-driven vessels when less than half a mile ahead of another power-driven
vessel
D. All of the above - ✔✔C. Power-driven vessels when less than half a mile ahead of
another power-driven vessel
INLAND ONLY. At night, a light signal consisting of two flashes by a vessel indicates
__________.
A. The intent to communicate over radio telephone
B. that the vessel is in distress
COPYRIGHT © 2025 BY OLIVIA WEST, ALL RIGHTS RESERVED 2
, C. the intent to overtake another vessel to her starboard
D. the intent to leave another vessel to her starboard - ✔✔D. the intent to leave another
vessel to her starboard
INLAND ONLY. Two power-driven 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 ether vessel - ✔✔C. must
be exchanged if passing agreements have not been made by radio
INLAND ONLY. A power-driven vessel, when leaving a berth or dock, is required to
sound which signal?
A. One short blast
B. One long blast
C. One prolonged blast
D. The doubt signal - ✔✔C. One prolonged blast
Inland only. According to the navigation rules which is a characteristic of 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 225 degrees
D. All of the above - ✔✔D. All of the above
COPYRIGHT © 2025 BY OLIVIA WEST, ALL RIGHTS RESERVED 3
