Open Access
Table 1.
Flight scenarios for which the radiation exposure was calculated.
| Scenario | Description |
|---|---|
| Reference | Flight from Seattle to Cologne, starting at 22:00 UTC on December 12th 2006, flight duration 9 h, 54 min, maximum altitude 41,000 ft (ca. 12,500 m). |
| [1A] | As reference, but reduced flight altitude (FL280 ≙ 28,000 ft., ca. 8500 m) after the onset of the increased radiation exposure at 3:15 UTC; Mach number is adapted to reduce fuel consumption, flight duration is 10 h, 22 min. |
| [1B] | As [1A] but with flight altitude restored to optimum flight level at 5:18 UTC when the additional dose rate fell below the threshold of 10 μSv/h at 90° N, FL410 (≙ 41,000 ft., ca. 1,2500 m); Mach number is adapted to reduce fuel consumption, flight duration is 10 h, 4 min. |
| [2A] | As reference, but reduced flight altitude (FL310 ≙ 31,000 ft., ca. 9500 m) after the onset of the increased radiation exposure at 3:15 UTC; Mach number is not adapted, flight duration is 9 h, 50 min. |
| [2B] | As [2A] but with flight altitude restored to optimum flight level at 5:18 UTC when the additional dose rate fell below the threshold of 10 μSv/h at 90° N, FL410 (≙ 41,000 ft., ca. 12,500 m); Mach number is not adapted, flight duration is 9 h, 52 min. |
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