The air in planes is pressurized so that doesn’t help in acclimitizing to high altidue.
Aircraft pressurization is set to a pressure alitude of 8000ft, so yes it does.
68 posted on 10/04/2012 10:27:01 AM PDT by Oztrich Boy
(Monarchy is the one system of government where power is exercised for the good of all - Aristotle)