Research Article

Mechanism Analysis of the Impact of COVID-19 on the Whole Process of Aircraft Turnaround Operations

Table 3

Statistical distribution for subprocesses before the pandemic.

ActivityType CType E

De-boardingLognormal (1.70, 0.27, 3)Lognormal (1.62, 0.27, 3)
CleaningLogistic (3.12, 14.39)Logistic (3.61, 17.61)
CateringLognormal (2.55, 0.43, 3)Normal (5.69, 18.73)
BoardingLognormal (2.65, 0.39, 4)Lognormal (2.93, 0.15, 6)
RefuelingWeibull (3.25, 13.88, 3)Lognormal (2.41, 0.44, 5)
Baggage unloadingLognormal (1.73, 0.51, 1)Gamma (4.06, 1.27, 2)
Cargo unloadingWeibull (1.34, 12.35, 1)Lognormal (2.13, 0.82, 3)
Cargo loadingWeibull (1.44, 13.23, 1)Normal (10.44, 10.69)
Baggage loadingLognormal (1.79, 0.57, 1)Lognormal (1.62, 0.70, 2)
Sewage-waterWeibull (2.26, 3.40, 1)Weibull (2.26, 3.40, 1)