Originally posted by ptwtanks
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HOWEVER, it's almost like being drunk and human performance is somewhat degraded...
And the time at 14 K is limited to only one or two hours... I think it's 12K or 10K for extended flight...time to check the FAR's...
I'm thinking it's at ~20K where folks actually tend to pass out.
And- as many have said- these are rough estimates, affected by a lot of factors- and hopefully containing a little safety margin most of the time.
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