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2 answers

foam is cheaper than parachutes. The parachutes would have to be unpacked and inspected regularly. Commercial planes travel way too fast and high for parachutes to be of much use.

2007-02-06 12:03:49 · answer #1 · answered by Anonymous · 1 0

because once you crash, the parachutes are useless.

2007-02-06 11:57:12 · answer #2 · answered by sspade30 5 · 1 0

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