Loss of Pressurization During Flight, Part 2

Branches of the American military have long utilized altitude chamber training for all aircrew members in order to learn their body's warning signs for hypoxia, or a lack of oxygen, during flight. Photo credit: 19th Airlift Wing Public Affairs, Little Rock AFB, U.S. Air Force
The vast majority of the sampled NASA Aviation Safety Reporting System (ASRS) reports occurred at altitudes where the “time of useful consciousness” can be rather small. The time of useful consciousness (TUC) is the time that an average individual has sufficient mental capacity to take the proper...

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