USCG USCG ROR
Set 2 • Question #254 of 475
Launch Interactive Practice Room INLAND ONLY Two vessels are meeting on a clear day and will pass less than half a mile apart. In this situation whistle signals __________.
A
must be exchanged
B
may be exchanged
C
must be exchanged if passing agreements have not been made by radio
✓ Correct Answer
D
must be exchanged only if course changes are necessary by either vessel
USCG NMC Regulatory Explanation
Under Inland Navigation Rules, for the condition where 'Two vessels are meeting on a clear day and will pass less than half a mile apart. In this situation whistle signals', the correct requirement is: 'must be exchanged if passing agreements have not been made by radio'. This standard ensures clear navigational intent and collision avoidance.
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