| Hours Exposure for Effective Dose of 1 millisievert | |||
|---|---|---|---|
| Altitude (ft) | Altitude (m) | Hours at latitude 30° S(1) | Hours at equator(2) |
| 27,000 | 8,230 | 510 | 1,330 |
| 30,000 | 9,140 | 380 | 980 |
| 33,000 | 10,060 | 300 | 750 |
| 36,000 | 10,970 | 240 | 600 |
| 39,000 | 11,890 | 200 | 490 |
| 42,000 | 12,800 | 170 | 420 |
| 45,000 | 13,720 | 150 | 380 |
| 48,000 | 14,630 | 140 | 350 |
| Effects of Cosmic Radiation on Aircrew | |||
| Route Estimates | Dose/Flight (µSv) | Flights for 1 mSv |
|---|---|---|
| Darwin-Perth | 16 | 62 |
| Perth-Broome-Darwin | 8 | 131 |
| Darwin-Singapore | 9 | 107 |
| Frankfurt-Singapore | 39 | 25 |
| Melbourne-Johannesburg | 71 | 14 |
| Melbourne-Singapore-London | 65 | 15 |
| London-Singapore-Melbourne | 42 | 23 |
| Sydney-Buenos Aires | 68 | 15 |
| Buenos Aires-Sydney | 80 | 13 |
| Data provided by Capt Ian Getley and adapted for presentation 1 mSv = 1000 µSv | ||
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