Question 746 Rules of the Road

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BOTH INTERNATIONAL & INLAND You see a vessel displaying ONLY the lights shown in illustration D045RR below. This vessel could be which of the following?

Diagram for USCG Rules of the Road: BOTH INTERNATIONAL & INLAND You see a vessel displaying ONLY the lights shown...
A power-driven vessel underway
B pilot vessel on pilotage duty
C vessel engaged in launching or recovering aircraft
D vessel engaged in fishing at anchor
AI Explanation

The correct answer is A) power-driven vessel underway. This is because the lighting configuration shown in illustration D045RR corresponds to the navigation lights required for a power-driven vessel underway, as per the International Regulations for Preventing Collisions at Sea (COLREGS) and the Inland Navigation Rules. The other options are incorrect because the lighting shown does not match the requirements for a pilot vessel, a vessel engaged in launching/recovering aircraft, or a vessel engaged in fishing at anchor, which have different navigation light configurations.

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Official Resources
USCG Navigation Rules (COLREGS) 33 CFR Navigation Rules USCG Navigation Center
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