USCG USCG ROR
Set 10 • Question #40 of 475
Launch Interactive Practice Room BOTH INTERNATIONAL & INLAND A fog signal of one short, one prolonged, and one short blast may be sounded by a __________.
A
vessel at anchor
✓ Correct Answer
B
vessel not under command
C
vessel towing
D
All of the above
USCG NMC Regulatory Explanation
Under Inland Navigation Rules, for the condition where 'A fog signal of one short, one prolonged, and one short blast may be sounded by a', the correct requirement is: 'vessel at anchor'. This standard ensures clear navigational intent and collision avoidance.
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