USCG USCG ROR
Set 1 • Question #3 of 475
Launch Interactive Practice Room INLAND ONLY If you were coming up on another power-driven vessel from dead astern and desired to overtake on the other vessel's starboard side, which whistle signal would you sound?
A
One short blast
✓ Correct Answer
B
One prolonged blast
C
Two short blasts
D
Two prolonged blasts
USCG NMC Regulatory Explanation
Under Inland Rule 34(a), one short blast indicates 'I intend to leave you on my port side' (port-to-port pass), requiring a confirming one short blast from the other vessel.
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