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Sound Signal Devices

In periods of reduced visibility or whenever a vessel operator needs to signal his or her intentions or position, a sound producing device is essential. The device must be audible for at least one-half mile.

Use the chart below to determine what is required based on your vessel's length.
Vessel Length Requirement on Utah Waters
Less than 16 ft. long None required, but a whistle or horn is strongly recommended
16 ft. to less than 40 ft. long Horn, whistle or other efficient sound device capable of 4-6 sec. blast
40 ft. to less than 65 ft. long Horn capable of 4-6 sec. blast and a bell designed to give a clear tone

On federally controlled waters, vessels less than 16 feet in length must carry a whistle or horn.

No vessel may be equipped with a siren, except vessels used by law enforcement officers.