OUPV & 100-Ton Master · Operations — Carbon Monoxide
A leading carbon-monoxide poisoning hazard on gasoline-powered passenger vessels is:
- ACold seawater intake
- BSaltwater on the deck
- CExhaust accumulating at the stern/swim platform and in enclosed spaces (the 'station-wagon effect')✓ Correct
- DProperly vented galley stoves
Explanation
Engine/generator exhaust contains odorless, deadly carbon monoxide. It accumulates near the stern, under swim platforms, and in cabins when a following wind or a moving vessel draws exhaust back aboard. Detectors, ventilation, and keeping people clear of exhaust outlets prevent poisoning.
Authority: Coast Guard boating safety guidance
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