Rules of the Road · Light Identification — NUC
A vessel at night shows two all-round red lights in a vertical line, sidelights and a sternlight, but no masthead lights, and appears to be moving. She is:
- AAt anchor
- BNot under command and making way✓ Correct
- CAground
- DEngaged in fishing
Explanation
Two all-round red lights = not under command. Because she is making way through the water she also shows sidelights and a sternlight, but a NUC vessel shows no masthead lights.
Authority: COLREGS/Navigation Rules, Rule 27(a)
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