11 votes
Accepted

Are engine casings expected to contain turbofan blade fragments?

We don't yet know how or why the engine casing failed to contain the fan blade on Southwest 1380. But yes: Not only are the engines designed to contain blade failures at fan red-line speeds, but they ...
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5 votes
Accepted

How fast can a large passenger jet descend and slow from cruise to emergency land?

A 5-minute descent from FL320 to 10,000 feet is pretty quick. As noted in the comments, the descent rate is 4,400 ft/min. For reference, during final approach descend rate is 300~500 ft/min in a small ...
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