Rules of the Road · Maneuvering Signals (Intent vs Action)

Under Inland Rules, when a vessel in a narrow channel proposes to overtake another vessel on the overtaken vessel's port side, what signal is given?

Explanation

Inland Rule 34(c) governs overtaking in a narrow channel. Two prolonged blasts followed by two short blasts signal intent to overtake on the port side. Two prolonged blasts followed by one short blast signal intent to overtake on the starboard side.

Authority: Inland Rule 34(c)(i)

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