On many boats, where can deadly carbon monoxide build up while engines or generators run?

Near the stern and swim platform.

  1. At the bow, upwind of the engine
  2. Only inside the engine itself
  3. Near the stern swim platform ✔

Why: The CDC says carbon monoxide can build up under the stern deck and near the swim platform and kill in seconds. Keep people off the back of the boat while engines or generators run.

Huh, didn't know that: The Coast Guard guide warns that CO poisoning can be mistaken for seasickness or being drunk.

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Sources

  1. CDC: About CO Poisoning on Your Boat https://www.cdc.gov/carbon-monoxide/about/boating.html
  2. USCG A Boater's Guide to the Federal Requirements for Recreational Boats (2023) https://www.uscgboating.org/assets/1/AssetManager/Boaters-Guide-to-Federal-Requirements-for-Receational-Boats-20231108.pdf

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