Rules of the Road · Maneuvering Signals — Bend

A vessel nearing a bend or area of a channel where other vessels may be obscured by an intervening obstruction shall sound:

Explanation

Nearing such a bend, a vessel sounds one prolonged blast, to be answered with one prolonged blast by any approaching vessel within hearing around the bend.

Authority: COLREGS/Navigation Rules, Rule 34(e)

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