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It's the Law

Sound-Producing Devices


Sound Producing 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. All devices must be capable of producing a blast that lasts at least two seconds.

Length of Watercraft Type of Device
Less than 40 feet no bell required Whistle, horn, or bell required.
39.4 feet to 65.6 feet long Whistle audible for at least one-half mile and a bell required
65.6 feet long or longer Whistle audible for at least one mile and a bell required