The aircraft was designed to comply with the Fédération Aéronautique Internationale microlight category, including the category's maximum gross weight of 4500NaN0. The Fox features a strut-braced parasol wing, a two-seats-in-side-by-side configuration open cockpit with a windshield, fixed tricycle landing gear with wheel pants and a single engine in pusher configuration.
The aircraft is made from mixed steel and aluminum tubing, with its flying surfaces covered in Dacron sailcloth envelopes. Its 9.61NaN1 span wing has no flaps and has a wing area of 16.09m2. Each wing is supported by two parallel struts with jury struts. The standard engine used is the 500NaN0 Rotax 503 two-stroke powerplant.