Boating Coach
Emergencies and cold waterQuestion 267 of 566

Where is CO likely to build up on a boat?

  1. Between two boats that are tied together.
  2. On the open bow in a strong wind.
  3. Above the mast.
  4. In a boat that is travelling fast.
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Correct answer: Between two boats that are tied together.

Tied boats, seawalls and a stationary running engine can trap CO.

Source: Safe Boating Guide (TP 511E, 2026), Be aware of carbon monoxide dangers, page 34

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Questions last reviewed: 18 October 2026