Boating Coach US
Safety equipmentQuestion 60 of 352

When may an electric fuel stop valve open?

  1. Only when the engine is off
  2. At any time
  3. Only when the ignition switch is on
  4. Only when you are docked
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Correct answer: Only when the ignition switch is on

The valve opens electrically only with the ignition on. It must also work by hand.

Source: US Code of Federal Regulations (eCFR), 33 CFR Part 183: Boats and Associated Equipment, § 183.528 Fuel stop valves

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Questions last reviewed: 18 October 2026