USCG USCG ROR
Set 15 • Question #202 of 475
Launch Interactive Practice Room BOTH INTERNATIONAL & INLAND A power-driven vessel "not under command" at night must show her sidelights when __________.
A
making headway
✓ Correct Answer
B
making no headway
C
moored to a buoy
D
at anchor
USCG NMC Regulatory Explanation
Under Rule 27(a), a vessel Not Under Command (NUC) exhibits two all-round red lights in a vertical line by night, and two black balls in a vertical line by day.
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