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Thread: DL 767-300 decompression (DL 2353 9/18)
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Old Sep 19, 2019, 7:17 pm
  #40  
timfountain
 
Join Date: Nov 2004
Location: PDX
Programs: AA LT PLT (3.6+ MM), UA 1K LT Gold, Hilton LT Diamond, Bonvoy Gold.
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Originally Posted by WillSkiGT
Even 14-15k feet isn't as bad.

If you stay at 14k feet long term, hypoxia is possible, but useful consciousness is ~30 mins or more.

The scary thing is explosive decompression at max cruise altitude. Useful consciousness is ~5 seconds. If you aren't quick with oxygen mask or at least the autopilot altitude selector, you're toast.

As you likely know, at max cruise altitude (above 35k ft.) one of the pilots SHOULD be wearing an O2 mask full time as per FAR 91.211. It's a well know fact that this is one of the most disregarded rules in the aviation industry. But this episode is there to remind us why that rules exists....
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