Why don't Airlines provide parachutes to every Passenger in flight?

What with aeroplanes crashing at alarming regularity...wouldn't it be prudent to throw out passengers through emergency exits, with chutes of course, as soon as pilots see a malfunction and feel the plane is going to crash? What are the hurdles in implementing this most important safeguard? No-one... show more What with aeroplanes crashing at alarming regularity...wouldn't it be prudent to throw out passengers through emergency exits, with chutes of course, as soon as pilots see a malfunction and feel the plane is going to crash?

What are the hurdles in implementing this most important safeguard? No-one survives in case of a plane-crash. Isn't it time to think of some ways to make air travel death-proof?!?

Any other ideas?

Thanks :)
Update: Okay! Airlines do have provision for Oxygen masks to come down at a particular cabin pressure...and they do have floaters-kind of thingie under the seat which we are expected to grab and hold in case of emergency landing on sea/watery surface and pray! Stewards and stewardesses needn't hand parachute kits to... show more Okay!

Airlines do have provision for Oxygen masks to come down at a particular cabin pressure...and they do have floaters-kind of thingie under the seat which we are expected to grab and hold in case of emergency landing on sea/watery surface and pray! Stewards and stewardesses needn't hand parachute kits to each one. It should be there like seat belts. They only have to read out/enact instructions!

And you needn't jump from a great height. As the plane plummets at a great speed, doors should open at a chosen height and passengers pushed out!

Is that non-feasible too?

Well, recently Russian Sukhoi crashed in Indonesia...killing all. Then there was this one in Islamabad. Not to speak of Helicopter crashes...
Update 2: @Blueboots: Don't worry! I'm just behind you! Together we'll land at some exotic place and have a blast! :))

As we say in Hindi: "Jaan hai to Jahaan hai!" (No translations...this is Perfect! LOL)
Update 3: You are all obviously very smart and knowledgeable people :) You've worked out costs and space and all that. Now, why don't you think of some alternatives too, so that we can be jitters-free flying experience?!? Pretty Please! :))
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