USCG USCG ROR
Set 11 • Question #90 of 475
Launch Interactive Practice Room BOTH INTERNATIONAL & INLAND Which statement concerning whistle signals is FALSE?
A
When a pushing vessel and a vessel pushed are connected in a composite unit, the unit sounds the fog signal of a power-driven vessel.
B
A vessel at anchor may sound one short, one prolonged, and one short blast.
C
A pilot vessel may sound an identity signal on the whistle.
D
A vessel engaged in towing in fog shall sound a fog signal at intervals of one minute.
✓ Correct Answer
USCG NMC Regulatory Explanation
Under Inland Navigation Rules, for the condition where 'Which statement concerning whistle signals is FALSE', the correct requirement is: 'A vessel engaged in towing in fog shall sound a fog signal at intervals of one minute.'. This standard ensures clear navigational intent and collision avoidance.
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