USCG USCG ROR
Set 3 • Question #274 of 475
Launch Interactive Practice Room INLAND ONLY A law enforcement vessel patrolling a marine regatta may show either a flashing blue light or __________.
A
two amber lights in a horizontal line
B
an alternately flashing red and yellow light
✓ Correct Answer
C
a high intensity flashing white light (strobe)
D
a fixed green light over a red flashing light
USCG NMC Regulatory Explanation
Under Inland Navigation Rules, for the condition where 'A law enforcement vessel patrolling a marine regatta may show either a flashing blue light or', the correct requirement is: 'an alternately flashing red and yellow light'. This standard ensures clear navigational intent and collision avoidance.
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