OUPV & 100-Ton Master · Uninspected Vessels — Ventilation
Powered/natural ventilation of engine and fuel-tank spaces is required on gasoline-powered vessels primarily to:
- ACool the passengers
- BRemove explosive fuel vapors before starting✓ Correct
- CReduce engine noise
- DImprove fuel economy
Explanation
Ventilation systems remove flammable gasoline vapors that collect in low spaces. Operators should run powered blowers before starting and after fueling, and 'sniff' the bilge for fuel odor to prevent explosion.
Authority: 46 CFR Part 25; 33 CFR Part 183
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