Originally marketed as the FK-Lightplanes FK51 Mustang, ScaleWings of Austria now manufacturer the SW-51 Mustang. It's a 70% scale P-51 replica. The exterior structure is all carbon fiber and is embossed with screws, rivets and other details as used on the full size original Mustang. A Rotax engine (up to 180hp) results in a similar power to weight ratio to the full size fighter.