Question 506 Rules of the Road

90% to pass

BOTH INTERNATIONAL & INLAND When is a vessel which is fishing, required to show sidelights and a stern light?

A when underway and making way
B when at anchor
C if underway
D when dead in the water
AI Explanation

The correct answer is A) when underway and making way. According to the International Regulations for Preventing Collisions at Sea (COLREGS), a vessel engaged in fishing, regardless of whether it is in international or inland waters, is required to exhibit sidelights (red and green) and a stern light when it is underway and making way through the water. This is specified in Rule 26 of the COLREGS. The other answer choices are incorrect because: B) a vessel at anchor is not required to show sidelights and a stern light, C) a vessel is only required to show these lights when underway, not just if underway, and D) a vessel that is dead in the water is not considered to be underway and making way.

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