Question 696 Rules of the Road

90% to pass

BOTH INTERNATIONAL & INLAND Which vessel must exhibit three white masthead lights in a vertical line?

A A vessel being towed
B A vessel whose tow exceeds 200 meters astern
C Any vessel towing astern
D A vessel not under command, at anchor
AI Explanation

The correct answer is B) A vessel whose tow exceeds 200 meters astern. According to the International Regulations for Preventing Collisions at Sea (COLREGS), a vessel whose tow exceeds 200 meters in length must exhibit three white masthead lights in a vertical line. This is to make the vessel's size and status as a towing vessel clearly visible to other vessels in the area. The other answer choices do not accurately describe the requirement for three masthead lights in a vertical line.

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