Canadian Boating Practice Exam 2026 – All-in-One Guide to Master Your Certification!

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What does one prolonged blast (4-6 seconds) signal?

Engine is in reverse

Warning (entering or exiting a blind turn)

One prolonged blast (4-6 seconds) signals a warning for entering or exiting a blind turn.

Option A (Engine is in reverse) is incorrect because one prolonged blast is not used to indicate reverse.

Option C (Altering course to Starboard) is incorrect because altering course to Starboard is signaled by two short blasts followed by one prolonged blast.

Option D (Power-driven vessel operating in low visibility) is incorrect because a power-driven vessel operating in low visibility is indicated by three short blasts.

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Altering course to Starboard

Power-driven vessel operating in low visibility

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