PPRuNe Forums - View Single Post - BA Flight LHR - GLA Returned due to both pilots becoming lightheaded and dizzy
Old 9th Jan 2012, 23:48
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MrLeveloff
 
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Tiberius, A320 masks are not a secret, see

Also, AFAIK, the % by volume of O2 stays the same up to about 75km.
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