Yes, loss of cabin air is alarmed.
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Pilots would immediately look to descend and land, and turn on the autopilot hoping to be alert enough to regain control.
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Normal flight altitude for that aircraft is 42,000 feet. Decompression would cause a blackout within a minute or less.
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Fighter jets have had this event, many did not recover.
[Yes, loss of cabin air is alarmed.
...........
Pilots would immediately look to descend and land, and turn on the autopilot hoping to be alert enough to regain control.
...........
Normal flight altitude for that aircraft is 42,000 feet. Decompression would cause a blackout within a minute or less.
...........
Fighter jets have had this event, many did not recover.]