USCG USCG ROR
Set 8 • Question #432 of 475
Launch Interactive Practice Room BOTH INTERNATIONAL & INLAND The duration of each blast of the whistle signals used in meeting and crossing situations is __________.
A
about 1 second
✓ Correct Answer
B
2 or 4 seconds
C
4 to 6 seconds
D
8 to 10 seconds
USCG NMC Regulatory Explanation
Under Inland Navigation Rules, for the condition where 'The duration of each blast of the whistle signals used in meeting and crossing situations is', the correct requirement is: 'about 1 second'. This standard ensures clear navigational intent and collision avoidance.
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