AFAIK there have only been a handful of very high altitude
static jumps. Of the USAF attempts, all survived, some with
relatively minor injuries.

A high-speed high-altitude ejection from an aircraft is a different
animal, with inauspicious survival prospects ...

The speed & altitude record for a successful ejection appears to
be Mach 3.25, at 80,000 ft.  Ouch.

Per  http://en.wikipedia.org/wiki/Ejection_seat

Jack
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