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This question already has an answer here:

Sometimes I wonder why the manufacturers do not design a big parachute to carry the aeroplanes when serious accidents occur. Perhaps the high cost is the reason?! But is it more expensive than a human life!?

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marked as duplicate by FreeMan, ratchet freak, SentryRaven, Federico, Peter Kämpf Mar 20 '15 at 12:47

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

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    $\begingroup$ See also: Why are commercial flights not equipped with parachutes? $\endgroup$ – FreeMan Mar 20 '15 at 12:10
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    $\begingroup$ See also: Why don't commercial jet aircraft have a break-apart, parachute escape system? $\endgroup$ – abelenky Mar 20 '15 at 12:57
  • $\begingroup$ I think the question is about a gigantic parachute for the whole airplane, not just passengers, so it would be a duplicate to 11864, not 593. The answer Khalid is that the added weight would be significantly more costly and the parachute would never be used. I can only think of two (2) incidents in all of history in which it might have been used and in both cases the aircraft landed safely anyway. $\endgroup$ – Tyler Durden Mar 20 '15 at 21:49
  • $\begingroup$ Short answer: such systems would take more lives than they save. Remember, every dollar you add to the cost of air transportation means a few more people will travel by cars and thus a few more people will die in car accidents. $\endgroup$ – David Schwartz Jun 13 '16 at 8:22