Question 783Rules of the Road90% to pass
BOTH INTERNATIONAL & INLAND A vessel underway at night is displaying the lights shown in illustration D062RR below. What do these lights indicate?
AI Explanation
The correct answer is D) under sail.
The lights displayed in the illustration D062RR indicate that the vessel is under sail at night. According to the International Regulations for Preventing Collisions at Sea (COLREGS), a vessel under sail is required to display a combination of sidelights (red and green) and a stern light (white) when underway at night. This lighting configuration, as shown in the illustration, is the proper signal for a sailing vessel operating in both international and inland waters.
The other answer choices are incorrect because they do not match the lighting requirements for a vessel under sail. A fishing vessel, a mine sweeper, and a pilot boat would have different light configurations that do not match the one shown in the illustration.
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