New to this game, i’m just confused about maintenance timings, according to my planner i have given the aircraft more than 2 hours on the ground at exact same time every day.
At first i understood that turn aroundtime was included in maintenance 2 hours but my ratio became 0
then i allowed 2h15m on ground after the Ready for departure time but in total aircraft would be on ground for 3h
Arrival Time: 09:35
Aircraft Ready for departure: 10:20
Next Departure Time: 12:35
Maintenace Ratio Stands at: 43.6%
You need a 100% maintenance ratio to keep the plane in the skies continuously. If it is less than 100% your curent aircraft condition detiriorates to less than 50%, after which flights will be cancelled.
Maintenance ratio: should be 100% or above.
Aircraft condition will fluctuate between 50% and 100% and the closer to 100% it is at all times, the better your image.
No, no, no - the meaning of two hours window is that time on the ground is counted towards maintenance time only if it is longer than 2 hours. Obviously, your time on ground is longer than 2 hrs, but still not sufficient for a successfull maintenanace completion - you need to free more time from your schedule.
The other quirk is that maintenance time needs to be adequately spread throughout the week - say, if you have maintenance at 105% and it is only one or two days a week, and depending on quality of your maintenance contractor, your aircraft may drop below 50% condition before the next maintenance window comes - so even maintenance above 100% doesn’t guarantee a hassle free operation, you’ll need to follow up and adjust if needed.
