Will it fly?
Can you bring Life Vest on a plane?
Coop checked the book. Here's the ruling for Life Vest:
CARRY-ON
Yes
CHECKED BAG
Yes
What the TSA says
You may bring a life vest with up to two CO 2 cartridges inside, plus two spare cartridges in your carry-on or checked bag. You may not transport CO2 cartridges without the associated lifejacket.
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Based on official TSA guidance. The final decision rests with the TSA officer at the checkpoint.