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Feb 5, 2022 at 0:24 answer added user55607 timeline score: 1
Feb 2, 2022 at 18:07 comment added J... Yes, the requirement is that you can't fly above FL250 without having 10 minutes of oxygen available for everyone on board. Pilots don't need to mask up until FL350, if alone, and only beyond FL410 with more than one pilot present.
Feb 2, 2022 at 3:00 history tweeted twitter.com/StackAviation/status/1488708778446962689
Feb 1, 2022 at 20:01 answer added TomMcW timeline score: 22
Feb 1, 2022 at 19:06 history became hot network question
Feb 1, 2022 at 17:02 vote accept Better not tell
Feb 1, 2022 at 16:11 comment added 300D7309EF17 91.211 talks about a "quick donning" mask being available at FL350, required to be worn at FL410 or if solo on the controls at FL350. Where is FL250's mask requirement?
Feb 1, 2022 at 14:35 answer added Mike Sowsun timeline score: 17
Feb 1, 2022 at 11:53 answer added Romeo_4808N timeline score: 38
Feb 1, 2022 at 10:58 history asked Better not tell CC BY-SA 4.0