Canadian Boating Exam Practice Quiz

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Prepare for the Canadian Boating Exam. Study with flashcards and multiple-choice questions, with hints and explanations. Ready to excel on your exam!

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What sound signal does a power vessel underway but not moving make?

  1. One prolonged blast every minute

  2. Two prolonged blasts every two minutes

  3. Three short blasts every two minutes

  4. Continuous sounding

The correct answer is: Two prolonged blasts every two minutes

A power vessel underway but not moving does not create any sound signal, so answering A and D are incorrect. A ship underway and not moving is considered a "stopped" vessel, and should produce two blasts every two minutes to indicate that it is not underway as required by the International Regulations for Preventing Collisions at Sea (COLREGS). Answering C is incorrect because three short blasts every two minutes is a sound signal used by a vessel backing up or turning around. Thus, B is the correct option as it accurately describes the sound signal used by a power vessel underway but not moving.

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