USCG USCG ROR
Set 12 • Question #117 of 475
Launch Interactive Practice Room BOTH INTERNATIONAL & INLAND The use of the signal consisting of five or more short blasts on the ship's whistle __________.
A
replaces directional signals
B
makes the other vessel the give-way vessel
C
indicates doubt as to the other vessel's action
✓ Correct Answer
D
makes it necessary to slow or stop
USCG NMC Regulatory Explanation
Under Inland Navigation Rules, for the condition where 'The use of the signal consisting of five or more short blasts on the ship's whistle', the correct requirement is: 'indicates doubt as to the other vessel's action'. This standard ensures clear navigational intent and collision avoidance.
Question Discussion & Notes
0Have a doubt, memory trick, or exam update? Share your insights with fellow mariners.
Loading mariner discussions...