The Maine Boater Safety Handbook
The Official Boating Handbook of the Maine Department of Natural Resources - Web Version
Table of Contents
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|