USCG USCG ROR
Set 11 • Question #75 of 475
Launch Interactive Practice Room BOTH INTERNATIONAL & INLAND Fog signals, required under the Rules for vessels underway, shall be sounded __________.
A
only on the approach of another vessel
B
only when vessels are in sight of each other
C
at intervals of not more than one minute
D
at intervals of not more than two minutes
✓ Correct Answer
USCG NMC Regulatory Explanation
Under Inland Navigation Rules, for the condition where 'Fog signals, required under the Rules for vessels underway, shall be sounded', the correct requirement is: 'at intervals of not more than two minutes'. This standard ensures clear navigational intent and collision avoidance.
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