I'll bet that is why those seating charts are now on their website.
The boat in the story appears to be a Yamaha rental. I wonder if the owner removed the warning stickers? You certainly would want to warn any boat renter about the common dangers with boating. No renter would read the manual.
But this has definitively put to rest the question of if this is an issue for Yamaha boats. It clearly is. I put the following in the FAQ:
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This thread links to a story on the Today show specifically calling out a death on a Yamaha boat. We've had many discussions on the forum about if this is an issue for our boats.....and clearly it is!
https://jetboaters.net/threads/yama...today-show-story-about-carbon-monoxide.35211/
If you have a person sitting on the stern breathing in CO, that CO binds to their blood and effectively suffocates them. Then they pass out and often fall into the water. The cause of death ends up being either CO poisoning or drowning.
- CO inhalation results in CO "poisoning" - you suffocate because your blood can't move oxygen around anymore.
- Drowning occurs when the person has enough CO in their system to make them pass out. If they are sitting on the stern, they often fall into the water, and then drown.
So the rules/guidance here are:
- NEVER allow people to sit on the rear Swim deck area on the stern of the boat.
- Be aware of people sitting in the rear seats for too long. Move people around.
- Look and ask people about being sleepy, nauseated or dizzy-especially people sitting in the back seats
- If you spend a lot of time running at idle - be more careful with the above