The Sportavia-Putzer series of aircraft was designed in Germany by Mr M Rene Fournier, the company being formed in 1966 to take over from Alpavia the manufacture of his series of light aircraft.
The RF-4 was one of a series of self-launched gliders designed by Rene Fournier in France. The first of the motor glider series of aircraft was the RF-01 (F-WJGX) built in a disused laundry in Cannes over a period of three years.
Diamond Aircraft in Wiener Neustadt, Austria commenced business producing the DA-20 Katana series and in due course was the instigator of aircraft being fitted with diesel engines to reduce running costs.
The Swift started lift as a lightweight foot-launched tailless glider with rigid wings and was designed in California in the United States but has been manufactured by Aeriane, a Company based at Gembloux in Belgium and was initially built under licence but later the Belgian concern became the sole manufacturer.