PPRuNe Forums - View Single Post - 737-800 Flight crew O2 mask
View Single Post
Old 7th Oct 2014, 20:57
  #4 (permalink)  
BOAC
Per Ardua ad Astraeus
 
Join Date: Mar 2000
Location: UK
Posts: 18,579
Likes: 0
Received 0 Likes on 0 Posts
As bubbers says, if you hang around doing memory items @ 41000' you shortly will not have any memory left.

I believe the 40000' is for sustained survival. I recall that over 40000' you would need pressure breathing.
BOAC is offline