
Seat cushions not lifejackets
With regards to the comments about passengers not putting on their lifejackets - my experience from the few times that I've flown in the USA is that lifejackets are not actually provided - instead you are expected to grab your seat cushion (which has convenient handles underneath) and hope that it gives you enough buoyancy to float. There were a few of these bobbing around in some of the photos of the accident.