Coast Guard Exams
Question 746Rules of the Road90% to pass

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 question 746
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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