USCG USCG ROR
Set 11 • Question #69 of 475
Launch Interactive Practice Room BOTH INTERNATIONAL & INLAND Two all-round red lights displayed in a vertical line are shown by a vessel __________.
A
being towed
B
pushing a barge ahead
C
at anchor
D
not under command
✓ Correct Answer
USCG NMC Regulatory Explanation
Under Inland Navigation Rules, for the condition where 'Two all-round red lights displayed in a vertical line are shown by a vessel', the correct requirement is: 'not under command'. This standard ensures clear navigational intent and collision avoidance.
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