Question 608 Rules of the Road

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BOTH INTERNATIONAL & INLAND At night, you see the display of lights shown in illustration D074RR below. These lights indicate which vessel?

Rules of the Road Question 608 diagram
A a sailing vessel
B a 12-meter fishing vessel
C an 8-meter power-driven vessel
D a vessel not under command
AI Explanation

The correct answer is A) a sailing vessel. The display of lights shown in illustration D074RR indicates the navigation lights required for a sailing vessel at night, according to the International and Inland Navigation Rules. Specifically, this configuration of a red light on the port (left) side, a green light on the starboard (right) side, and a white masthead light visible all-around, is the standard lighting arrangement for a sailing vessel underway at night. The other answer choices are incorrect because they do not match the navigation light display shown in the illustration, which is specifically indicative of a sailing vessel.

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