This is the third time...

[bando]

Use it to your advantage. Make a file for every plane and you're better of. For example, the levers for the supercharger do not work on a tiger moth, making seperate "profiles" frees up a lot of otherwise unused levers, buttons and so on.
In my game I'm in the process of setting up a profile for every plane. Loading is done in 5 secs so no problems there. Been doing this ever since Rise of flight.

Hope it helps someone.