Landing Gear is rigged to an empty vertical slider labeled "Landing Gear Position Controller," move up and down

Wing folding is controlled by an empty labeled "Wingtips Controller," rotate along the X-axis

Control surfaces (ailerons, flaps, elevators, rudder) are controlled by empties with according names, rotate along y-axis (or z-axis for the rudder)

The cockpit canopy is rigged to an empty labeled "Canopy Controller," move forward and back.

The propeller is parented to an empty named "Propeller control" with an X-axis rotation generator modifier. Animate this object for propeller spin.

Engine Exhaust covers are rigged to an empty named "Exhaust Covers controller," rotate on the X-axis to open/shut.

All objects are indirectly parented to "Fuselage" which in turn is parented to and empty named "F4U-4 Corsair."