Coast Guard Exams
Question 731Rules of the Road90% to pass

BOTH INTERNATIONAL & INLAND A 30-meter tug is underway and NOT towing. At night, this vessel must show sidelights and which additional light(s)?

AI Explanation
The correct answer is A) a stern light ONLY. According to the International and Inland Navigation Rules, a vessel 30 meters or more in length, when underway and not towing, must exhibit sidelights and a stern light. The vessel is not required to display any additional masthead lights under these circumstances. The other answer choices, which include one or more masthead lights, are incorrect as they do not match the specific lighting requirements for a 30-meter tug that is underway and not towing.

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