USCG USCG ROR
Set 1 • Question #14 of 475
Launch Interactive Practice Room INLAND ONLY A flashing blue light is used to identify __________.
A
law enforcement vessels
✓ Correct Answer
B
U.S. submarines
C
air-cushion vessels in the nondisplacement mode
D
dredge pipelines on trestles
USCG NMC Regulatory Explanation
Under Inland Navigation Rules, for the condition where 'A flashing blue light is used to identify', the correct requirement is: 'law enforcement vessels'. This standard ensures clear navigational intent and collision avoidance.
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