Question 741 Rules of the Road

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BOTH INTERNATIONAL & INLAND Which vessel must exhibit forward and after masthead lights when underway?

A A 200-meter sailing vessel
B A 50-meter power-driven vessel
C A 100-meter vessel engaged in fishing
D All of the above
AI Explanation

The correct answer is A) A 200-meter sailing vessel. According to the International Regulations for Preventing Collisions at Sea (COLREGS), vessels 200 meters or more in length, regardless of whether they are power-driven or sailing vessels, must exhibit forward and after masthead lights when underway. The other options are incorrect because: B) A 50-meter power-driven vessel is only required to exhibit one masthead light, not both forward and after; C) A 100-meter vessel engaged in fishing is required to exhibit different navigation lights, not forward and after masthead lights.

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