OUPV & 100-Ton Master · Operations
Carbon monoxide poisoning aboard a vessel is most commonly associated with:
- ADiesel engines running offshore
- BExhaust accumulating near the swim platform or in enclosed cabins ('station wagon effect')✓ Correct
- CSailing without auxiliary power
- DCold-water immersion
Explanation
CO is colorless and odorless. It builds up where engine or generator exhaust collects — at the stern/swim platform, in poorly ventilated cabins, or when a following 'station wagon effect' draws fumes back aboard. Detectors, ventilation, and keeping people away from exhaust outlets are key.
Authority: USCG boating safety guidance
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