R 99 wrote: "Cooper didn't need to be a master criminal to hijack the airplane, get the money, and to get back into the air headed for who knows where.
But once Cooper separated from the airliner, NWA couldn't help him any more and he was confronted with Mother Nature who does not always cooperate in such cases.
Basically, the Cooper hijacking was a two-bit crime where he ended up falling through the cracks and disappearing. There is no factual basis whatsoever for believing that Cooper survived the jump.
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Once you leave the plane, mother nature does her very best to kill you. After all, her sons Mr. Entropy and Mr. Gravity would prefer that you hit the ground at terminal velocity and turn into compost. You do your best with parachute gear and skydiving skills to thwart those nasty boys, but it's not always successful. Add night, cold, possible lack of horizon during freefall, obscured landing hazards, etc. and your odds get worse.
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