what are navigational sounds?
When and How to Sound Off
Just as lights play a significant role in understanding what other boats are doing, so do sounds. Understanding what you hear is another step towards being a "complete mariner". Virtually every boat is required to have some sound producing device. There is a great deal of latitude in what type of sound making device you choose, but loud is good! click here for more information: Navigation Sounds : BoatUS Foundation
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