Rules of the Road · Bridge-to-Bridge Radiotelephone
Under the Inland Rules and Bridge-to-Bridge Act, if VHF communication is established and a passing agreement is reached, may whistle signals be omitted?
- AYes — if agreement is reached by radiotelephone under Rule 34(h), the vessel is not obligated to sound the whistle signals (but may)✓ Correct
- BNo — whistle signals are always required in addition to VHF
- COnly on the Great Lakes and Western Rivers
- DOnly when visibility exceeds 5 nautical miles
Explanation
Inland Rule 34(h) states that a vessel which reaches agreement with another vessel by radiotelephone is not obligated to sound the whistle signals prescribed by Rule 34, though she may. If agreement is NOT reached, whistle signals must be exchanged and prevail. This applies on U.S. inland waters generally — it is not limited to the Great Lakes or Western Rivers.
Authority: Inland Rule 34(h)
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