Deck General (Supplementary) USCG Q#360 (Set 7)

BOTH INTERNATIONAL & INLAND A vessel not under command shall display __________.

Official USCG Answer & Rule Citation

Correct Answer: Option C — two red lights at night and two black balls during daylight

COLREGS Rule 27(a) explicitly mandates that a vessel not under command display two red lights vertically by night and two black balls vertically during daylight hours.

All Deck General (Supplementary) Sets Practice Set 7