Towing & Ship-Assist · Western Rivers
On the Western Rivers, a power-driven vessel proposing to overtake another sounds the appropriate maneuvering signal and may not pass until the other vessel:
- ASounds the same signal in agreement✓ Correct
- BAnchors
- CSounds the danger signal automatically
- DIncreases speed
Explanation
Under the Inland Rules, passing arrangements are agreed by exchanging the same whistle signal. The overtaking vessel proposes (one or two short blasts), and the vessel ahead either agrees by sounding the same signal or sounds the danger (five short blasts) if unsafe.
Authority: Navigation Rules (Inland), Rule 34; Western Rivers
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