DIY cockpit control panel

[Friendly_flyer]

I'd say you need the following (for a fighter or fighter-bomber, larger aircrafts will require additional buttons):

Axes
Stick/pedals (3 axes)
Trim (3 axes)
Throttle/pich/mixture (3 axes)

on/off or up/down buttons
Ignition
Radiator
wheels auto
wheels manual
Seat up/down
Hood open/closed
Fold wings

One push button
Fire (3 buttons - guns, cannons, rockets)
Bomb release
Breaks
engine selection (one for cycling or four for engine 1-4)
Emergency power
Chocks
Tail hook
Eject/bail out
Select tank