RMI stood for Repülo Muszaki Intézet or Aviation Technical Institute. Aircraft were primarily (but not exclusively) designed for RMI by László Varga. As a result, RMI designs are often given the Varga name (in some cases, even when he was not a major designer).
1984: Charles B. Roloff, Breezy Aircraft, Box 358, Palos Park, IL 60464.
Builder of the RLU-1 Breezy
1984: Ritz Aircraft Co., Shipman’s Creek Road, War-trace, TN 37183, USA.
UL builder
In the early 1970s, E. Rithner distributed the Bernard Danis (wing = Manta) and Electra Flyers (wing = Hirondelle) brands in Switzerland before being “inspired” to make them on his own account. Very quickly the Hirondelle Electra took over by proving to be more powerful and safer than the Manta
Hang glider builder
Based at Fort Lauderdale, Texas, company specialized in conversions of existing types to improve performance. In 1953 converted Ryan Navion to twin-engine configuration as the Twin Navion with Lycoming engines, and by 1961 was producing a conversion of the Cessna 310 known as the Riley 65 Rocket. Later aircraft which received Riley conversions included the D.H. Dove and Heron, the Cessna 340 and 414, and, in 1975, the Handley Page-built Jetstream. Became Riley Turbo Sales Corporation, and Riley Turbostream Corporation in 1970 and Riley Aircraft Corporation 1979. Purchase by Advanced Aircraft Corporation in 1983. Advanced Aircraft Corp in Orlando, Florida, was formed in July 1983 and took over the facilities of Riley. Subsequently, Riley International Corporation formed to continue Riley conversions.
Germany
Established at Berlin/Johannisthal Aerodrome after First World War, Sportflugzeugbau Rieseler built a single-engine single-seat light sporting parasol monoplane with a two cylinder Haacke engine which was put into production by Stahlwerk Mark at Breslau. A two-seat version, the R.IV/23, was subsequently developed.
USA
Operator of a large fleet of Curtiss C-46 twin-engine transports, Riddle produced a modification kit in the mid-1950s which added 40mph (64kmh) to cruising speed and 2,204 lb (1,000 kg) to the payload. The improved model was designated C-46R, and Riddle subsequently converted its own fleet of 32 to have 2,100 hp Pratt & Whitney engines.
USA
Based at Staten Island, New York, for private hire and pleasure flights. This company built a Sea Hawk five-seat flyingboat in 1928, with Curtiss C-.6 engine driving pusher propeller.
1998:
J.C.Richet
4, rue Armand Moisant
F-75015 Paris
France
Built the Cobra 202 LSA
All Aero 