USCG USCG ROR
Set 14 • Question #167 of 475
Launch Interactive Practice Room BOTH INTERNATIONAL & INLAND Which vessel is to sound a fog signal of one prolonged followed by two short blasts?
A
A vessel not under command
B
A sailing vessel underway
C
A vessel restricted in its ability to maneuver, at anchor
D
All of the above
✓ Correct Answer
USCG NMC Regulatory Explanation
Under Inland Navigation Rules, for the condition where 'Which vessel is to sound a fog signal of one prolonged followed by two short blasts', the correct requirement is: 'All of the above'. This standard ensures clear navigational intent and collision avoidance.
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