OUPV & 100-Ton Master · Required Equipment
The purpose of the engine-space ventilation requirements on a gasoline-powered vessel is to:
- ACool the engine to prevent overheating
- BProvide fresh air for passengers below deck
- CRemove explosive gasoline vapors from enclosed spaces✓ Correct
- DReduce engine noise
Explanation
Ventilation ducts and blowers remove flammable gasoline vapors that collect in enclosed engine and fuel-tank compartments. Operators should run the bilge blower before starting a gasoline engine to purge accumulated vapor.
Authority: 46 CFR 25.40
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