2.7-ton Folding Research Electric Plane AF-4E. This small falding electro plane was made to replace rovers in planets with an atmosphere.

- don't forget to block the movable wing connector before flying to prevent folding wings
- the safe take-off speed in Kerbin is 30 m/s (the max speed - 110 m/s). Do not attempt to take off at speeds below 30 m/s to avoid stalling
- to connect the aircraft to the cargo hold, remove the propeller fairing and attach the connector to the propeller​