USCG USCG ROR
Set 4 • Question #324 of 475
Launch Interactive Practice Room INLAND ONLY A commercial vessel engaged in public safety activities may display a(n) __________.
A
flashing yellow light
B
flashing blue light
C
alternately flashing blue and red light
D
alternately flashing red and yellow light
✓ Correct Answer
USCG NMC Regulatory Explanation
Under Inland Navigation Rules, for the condition where 'A commercial vessel engaged in public safety activities may display a(n)', the correct requirement is: 'alternately flashing red and yellow light'. This standard ensures clear navigational intent and collision avoidance.
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