____jes

That's an old post. Fastmail has a US office now.

Unfortunately weight _is_ generally a predictor of occupant safety.

IIHS says:

“Frontal crash test results can't be used to compare vehicle performance across weight classes.… Given equivalent frontal ratings, the heavier of two vehicles usually offers better protection in real-world crashes.”

https://www.iihs.org/ratings/about-our-tests

While they’re not under every seat, battery fire containment bags are already included in airlines’ onboard emergency equipment, for flight attendants to use when needed.

https://avsax.com/news/what-to-do-if-a-lithium-battery-catch...