At the speed of a falling jet that's about to crash, your limbs would litterally be ripped off trying to jump. If you jump from a high altitude, oxygen is a problem.

Fighter jets have an ejection system (along with the actual seat) that stabalizes the pilot so that they are ejected upward properly so that limbs don't get ripped off and the actual parachute deploys at the 'right' time. Oxygen is also provided. This is all with in conjuction with appropriate training.

At 30,000 feet, the temperature is somewhere around 25 to 35 degrees below zero. Without oxygen, you can expect to be usefully conscious about 30 seconds.

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2003 X5 4.6is

SuperGreg to the rescue, yes that's me

Not to mention that on some commercial jets, passengers would get sucked into an engine!

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JV

What gets us into trouble is not what we don't know...it's what we know for sure that just ain't so

Been there, but fortunately, have NOT done that - jets use ejection seats and they have "envelopes" in which they will give a high rate of mortality, but no guarrantee from injury - recommended speed is below 250knots and an ejection seat gets you away from the aircraft

the rear tail wing/motor will most likely get you bailing out a side door - DB Cooper had it right with a plane with a rear tail door

the shock of the parachute opening will break bones in the elderly(heartattack?), yank babies from their mother's arms - the landing will maim, injure, and kill more, especially if landing in trees or water - the panic to get harnessed up and get out the door really would make it unlikely more than 10-20% would actually get out of the plane(so who lives and who dies?)

Jets have the glide ratio of a rock(not much time to do everything), you only can hope that they can dump most of the fuel and a well equiped(firefighting) airport is nearby

Actually those turbo-prop "puddle jumpers" are the best for survival - nice straight wing for long glide paths(more time = more options) and slower landing speeds

And weight IS a BIG factor

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Mark _______________________________
2001 X5 4.4i topaz blue/sand Sport, complete Dinan S2 , hitch, V1, tint, BSW Stage 1, Alpine INA-W910BT
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Life is not fair!
You can't protect people from their own stupidity!
Laughter makes life worth living

A pilot response, "It takes a sick mind to get out of a well aircraft"

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Mark _______________________________
2001 X5 4.4i topaz blue/sand Sport, complete Dinan S2 , hitch, V1, tint, BSW Stage 1, Alpine INA-W910BT
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Life is not fair!
You can't protect people from their own stupidity!
Laughter makes life worth living

That's me

I don't understand why someone would jump out of a perfectly good airplane

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Current:
2016 X6 ///M Black Sapphire Metallic