Type of aircraft | Period | Probability distribution | |||
Exponential | Lognormal | Beta | Gamma | ||
Airplane (large/small) | Entire period | 29.90 | 34.50 | 40.80 | 33.80 |
I | 8.59 | 40.70 | 13.10 | 18.50 | |
II | 10.30 | 10.60 | 8.21 | 8.43 | |
III | 3.43 | 3.77 | 6.85 | 5.48 | |
Small airplane | Entire period | 18.10 | 38.10 | 28.10 | 29.60 |
I | 6.80 | 12.80 | 21.20 | 15.80 | |
II | 11.90 | 10.70 | 17.00 | 20.70 | |
III | 6.76 | 5.26 | 11.50 | 9.40 | |
Large airplane | Entire period | 5.83 | 13.70 | 2.66 | 10.60 |
I | 4.22 | 3.35 | 2.91 | 4.22 | |
II | 0.97 | 1.78 | 3.14 | 1.51 | |
III | 1.75 | 2.75 | 0.25 | 1.25 | |
Helicopter | Entire period | 39.30 | 35.10 | 60.70 | 39.60 |
I | 14.40 | 8.74 | 21.20 | 11.60 | |
II | 19.40 | 15.70 | 15.20 | 17.80 | |
III | 12.70 | 5.37 | 16.20 | 16.70 |