USCG USCG ROR
Set 13 • Question #149 of 475
Launch Interactive Practice Room BOTH INTERNATIONAL & INLAND A power-driven vessel "not under command" at night must show which lights in a vertical line?
A
Three red
B
Two red
✓ Correct Answer
C
Two white
D
Three white
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.
Question Discussion & Notes
0Have a doubt, memory trick, or exam update? Share your insights with fellow mariners.
Loading mariner discussions...