FlyerTalk Forums - View Single Post - A question for forum pilots

Apr 30, 2006 | 4:39 am

#18

tracon

Join Date: Dec 2002

Posts: 8,763

I'm not saying you were lied to but....

FL250 is the highest an aircraft is allowed to fly with an inop O2 mask system.
That is why DH8s and the like never fly above Fl250 because they don't have drop down masks.

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