Question 755 Rules of the Road

90% to pass

BOTH INTERNATIONAL & INLAND You are on watch and sight a vessel showing a high intensity all-round flashing red light. Which vessel is required to have this light?

A a seaplane when landing and taking off
B an air-cushion vessel in the non-displacement mode
C a submarine on the surface
D a WIG craft in flight near the surface
AI Explanation

The correct answer is D) a WIG craft in flight near the surface. The reason this is the correct answer is that a WIG (Wing-In-Ground) craft, when operating in the non-displacement mode near the surface, is required to display a high intensity all-round flashing red light as a visual signal to other vessels. This requirement is specified in the International Regulations for Preventing Collisions at Sea (COLREGS). The other options are incorrect because seaplanes, air-cushion vessels, and submarines do not have this specific lighting requirement when underway or operating near the surface.

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