Type of aircraft | Period | Probability distribution | |||||||||||
Beta | Exponential | Gamma | Lognormal | Negative binominal | Normal | Poisson | |||||||
p | q | Beta (1/λ) | Alpha | Beta | Mu (μ) | Sigma (σ) | k | p | Mean | Sigma | Lamda | ||
Airplane (large/small) | 3 months | 1.1 | 31188.0 | 2.2 | 1.0 | 2.2 | 1.0 | 0.9 | 1 | 0.310 | 2.2 | 6.4 | 2.2 |
6 months | 1.0 | 144431.0 | 4.4 | 1.7 | 2.7 | 1.2 | 0.9 | 1 | 0.184 | 4.4 | 8.8 | 4.4 | |
1 year | 1.2 | 21278.6 | 8.8 | 1.6 | 5.7 | 1.8 | 0.9 | 1 | 0.102 | 8.8 | 11.7 | 8.8 | |
Small airplane | 3 months | 2.3 | 1391.2 | 1.3 | 1.0 | 1.3 | 0.9 | 0.7 | 1 | 0.444 | 1.3 | 2.0 | 1.3 |
6 months | 1.9 | 215.1 | 2.5 | 1.0 | 2.5 | 1.0 | 0.7 | 1 | 0.286 | 2.5 | 2.9 | 2.5 | |
1 year | 1.9 | 45.6 | 5.0 | 3.4 | 1.5 | 1.5 | 0.8 | 3 | 0.375 | 5.0 | 4.3 | 5.0 | |
Large airplane | 3 months | 0.3 | 1.2 | 1.0 | 1.0 | 1.0 | 0.7 | 1.3 | 1 | 0.502 | 1.0 | 6.1 | 1.0 |
6 months | 0.3 | 1.2 | 2.0 | 1.0 | 2.0 | 0.8 | 1.3 | 1 | 0.335 | 2.0 | 8.5 | 2.0 | |
1 year | 0.7 | 8.8 | 4.0 | 1.4 | 2.9 | 1.0 | 1.4 | 1 | 0.201 | 4.0 | 11.8 | 4.0 | |
Helicopter | 3 months | 1.5 | 2558.0 | 1.4 | 1.0 | 1.4 | 0.8 | 0.8 | 1 | 0.416 | 1.4 | 2.8 | 1.4 |
6 months | 1.5 | 739.0 | 2.8 | 1.0 | 2.8 | 1.1 | 0.8 | 1 | 0.262 | 2.8 | 4.1 | 2.8 | |
1 year | 1.8 | 68579.0 | 5.6 | 2.5 | 2.3 | 1.5 | 0.7 | 2 | 0.262 | 5.6 | 5.7 | 5.6 |