USCG USCG ROR
Set 9 • Question #452 of 475
Launch Interactive Practice Room BOTH INTERNATIONAL & INLAND Which is the danger signal?
A
A continuous sounding of the fog signal
B
Firing a gun every minute
C
Five or more short rapid blasts on the whistle
✓ Correct Answer
D
One prolonged blast on the whistle
USCG NMC Regulatory Explanation
Under Rule 34(d), when vessels in sight of one another are in doubt whether sufficient action is being taken to avoid collision, the vessel in doubt must immediately sound at least 5 short and rapid blasts on the whistle.
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