And we should also add that the usual supplemental ox systems are for
up to 18,000. Above that, though it's dependent on one's physical
condition, they recommend a pressure mask. At some point in the 20's,
I imagine everybody needs one.
Regards,
Fred Fillinger, A063
Hal Perkins wrote:
>
> OK, so someone has been to 22,500'. Is this something to boast about or
> perhaps should one keep quiet about it, being cognisant of the fact that
> over 12,500' without oxygen puts both pilot and those on the ground at an
> increasing risk...let's put it like this, I'm not about to try to break the
> record! Was oxygen used?
>
> Hal,
> G-KITS
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