A vessel with two separate masthead lights indicates which length category?

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Multiple Choice

A vessel with two separate masthead lights indicates which length category?

Explanation:
Two white masthead lights in a vertical line are required for vessels longer than 50 meters. This gives other mariners a quick visual cue of the vessel’s size at night, helping them judge risk of collision and apply crossing or overtaking rules. Vessels shorter than 50 meters generally show only one masthead light, so the presence of two indicates a longer vessel.

Two white masthead lights in a vertical line are required for vessels longer than 50 meters. This gives other mariners a quick visual cue of the vessel’s size at night, helping them judge risk of collision and apply crossing or overtaking rules. Vessels shorter than 50 meters generally show only one masthead light, so the presence of two indicates a longer vessel.

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