Safety equipmentQuestion 176 of 566

How long does a buoyant smoke signal make smoke?

  1. 3 minutes
  2. 50 seconds
  3. 1 minute
  4. 10 minutes
Show answer

Correct answer: 3 minutes

A buoyant signal lasts longer than a hand-held one. The hand-held type lasts 50 seconds.

Source: Safe Boating Guide (TP 511E, 2026), Visual signals, page 24

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Questions last reviewed: 18 October 2026