Boating Coach US
Safety equipmentQuestion 59 of 352

What must a fuel tank vent have?

  1. A one-way valve to the cabin
  2. A flame arrester that can be cleaned, or be one itself
  3. A metal screen sealed shut
  4. A rubber cap
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Correct answer: A flame arrester that can be cleaned, or be one itself

A flame arrester at the vent keeps a flame outside from reaching the fuel.

Source: US Code of Federal Regulations (eCFR), 33 CFR Part 183: Boats and Associated Equipment, § 183.520 Fuel tank vent systems

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Questions last reviewed: 18 October 2026