PPRuNe Forums - View Single Post - Emergency Descent
Thread
:
Emergency Descent
View Single Post
28th July 2007 | 00:22
#
8
(
permalink
)
411A
Joined:
Mar 2000
Posts:
8,571
Likes:
3
From:
Arizona USA
Quote:
all modern QD masks will increase the O2 mix up to 100% with cabin alt and provide pressure breathing at higher cabin alts @320 and above.
Yep, been this way since the B707 days...
Reply
0
0
411A
View Public Profile
Find More Posts by 411A