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Human Factors
The Human Factors wiki currently has 34 pages. The last time a page was edited in this wiki was July 1, 2020 at 10:18. To link to pages in this wiki from other wikis use the wiki reference [hf:page_name]. The full reference for any page can be found at the top of that page. This wiki can be sent to you as a wiki book.
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Time of Useful Consciousness
Also from: TUC
| Altitude in Flight level | Time of Useful Consciousness | Altitude in meters | Altitude in feet |
| FL 180 | 20 to 30 Min | 5,486 m | 18,000 |
| FL 220 | 10 Min | 6,706 m | 22,000 |
| FL 250 | 3 to 5 Min | 7,620 m | 25,000 |
| FL 280 | 2.5 to 3 Min | 8,534 m | 28,000 |
| FL 300 | 1 to 2 Min | 9,144 m | 30,000 |
| FL 350 | 0.5 to 1 Min | 10,668 m | 35,000 |
| FL 400 | 15 to 20 Sec | 12,192 m | 40,000 |
| FL 430 | 9 to 12 Sec | 13,106 m | 43,000 |
| FL 500 and above | 9 to 12 Sec | 15,240 m | 50,000 |
- Smoking drastically reduces oxygen intake efficiency, and can have the effect of reducing tolerance by 1,000-2,000 meters.
- A rapid decompression can reduce the TUC by up to 50 percent caused by the forced exhalation of the lungs during decompression and the extremely rapid rate of ascent.
Categories: Human Factors | Physiological
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