USCG USCG ROR
Set 12 • Question #97 of 475
Launch Interactive Practice Room BOTH INTERNATIONAL & INLAND A power-driven vessel making way through the water sounds which fog signal?
A
Two short blasts every one minute
B
One short blast every one minute
C
Two prolonged blasts every two minutes
D
One prolonged blast every two minutes
✓ Correct Answer
USCG NMC Regulatory Explanation
Under Inland Navigation Rules, for the condition where 'A power-driven vessel making way through the water sounds which fog signal', the correct requirement is: 'One prolonged blast every two minutes'. This standard ensures clear navigational intent and collision avoidance.
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