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COUNTRY
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Robertson Aircraft Corp. formed 1965 at Renton (Seattle) to produce STOL modifications, initially of CallAir and Cessna aircraft, later of Piper, Beech and other types. Assets acquired 1985 by R/STOL…
Robinson Helicopter Co. was founded in 1973 by Frank Robinson, whose vision was to produce the world’s highest quality, most reliable helicopters in the most efficient, cost-effective way possible. Robinson…
Rock Island Oil & Refining Co., Hutchinson, Kansas, formed Aircraft Division 1961 to produce Monarch 26 executive rebuild of B-26 Invader.
Rocket Aircraft Corp. formed 1946 by takeover of Johnson Aircraft Inc., Fort Worth.
On 16 February 1973 North American Rockwell was merged into Rockwell Manufacturing Co. to form Rockwell International Corp. Precisely a year later former NA Aerospace Group was replaced by NA…
ROCKY MOUNTAIN WINGS INC Company produced Ridge Runner ultralight aircraft. This plane awarded Grand Champion at AirVenture 2001 and Arlington 2001.
Produce All-Star AS350 by conversion of Aerospatiale helicopters with 650-shp Allison C30M.
Rogers Aircraft Inc. formed 1921 after parent Rogers Construction Co. of NJ had taken over defunct Pacific Airplane & Supply Co.. Only known product called Pacific Standard C-1 racer.
Rogerson Aircraft Corp. Irvine, CA. produces composite parts, control systems, fuel tanks and other aerospace components. In April 1984 purchased Hiller Aviation, renamed Hiller Helicopters and later Rogerson Hiller Corp.,…
Rohr Aircraft Corp., Chula Vista, CA world’s biggest airframe component supplier in Second World War, took time off 1946 to produce totally odd MO-1 (Midnite Oiler) canard 2-seater with 2-control…
Three professional pilots, Charles Roloff (Palos Park, Illinois), Robert Liposky and Carl Unger, produced RLU-1 Breezy tandem 2-seater, 'vintage configuration with all modern facilities', some hundreds flying.
In 1936 Victor Roos, president of American Eagle-Lincoln, bought out company and renamed it Roos Aircraft Co. Remained at Kansas City building PT biplane and American Eaglet monoplane.
Victor Roos established Roos-Bellanca Airplane Co. 1922 at Omaha to build to designs of Giuseppe Bellanca, starting with outstanding CF cabin monoplane. Within a year Bellanca resigned (joining Wright a…
Rose Aeroplane & Motor Co. formed 1934 at 4415 E. Clark St, Chicago, to produce Parrakeet single-seat biplane. Rights purchased 1949 by Hannaford.
Ross Aircraft Corp., of Amityville, Long Island, NY, produced RS-1 Sportplane 1938, simple open tandem parasol. Modest production led to improved RS-21 1942, but war halted operations.
Rotec Engineering Inc., Duncanville, TX, have enjoyed massive success since in 1977 they began selling lightplanes (e.g. Panther Plus and 2-seat Panther 2 Plus) and range of microlights, all available…
Rotor-Craft Corp. formed by Gilbert Magill 1952 at Sun Valley, CA, to produce RH-1 Pinwheel helicopter strapped on to wearer. Later added Sky Hook, with 400-lb (181.4 kg) payload yet…
ROTORWAY INTERNATIONAL Initial RotorWay Company set up by B.J. Schramm in early 1960s; successively produced the Javelin, Scorpion I and Scorpion II before launching Exec in 1980. Company purchased and…
Formed 1961 by B.J. Schramm at Tempe, AZ (see Schramm) to produce improved helicopter named Scorpion Too. Subsequently moved to Chandler, AZ, and added RW145 engine of 150-hp. By 1980…
Rotorwing Aircraft Co., Birmingham, Alabama, produced Sportsman 2-seat autogyro (April 1960). Plans for 5 production versions not implemented.
Rouffaer Aircraft formed Oakland, CA, about 1932 to produce R-6 3/4-seat cabin monoplane with 80-hp engine designed by Chevrolet engineer, odd feature being perfectly streamlined nose of bullet form with…
Elbert L. (Burt) Rutan began working on design of VariViggen canard tandem 2-seater 1963, formed Rutan Aircraft Factory Inc. (RAF) at Mojave Airport 1969 and flew VariViggen May 1972. There…
Fighter pilot Tubal Claude Ryan left US Army 1922 and, unable to get job, formed small Ryan Airlines at San Diego, with workshops where small crew led by Harvey Bowlus…
In May 1934 Mr Ryan returned to manufacturing by forming The Ryan Aeronautical Co. at Lindbergh Field. His prosperous school needed a good trainer, and first product was S-T low-wing…
T. Claude Ryan formed Ryson Aviation Corp. for his son Jerome D. Ryan, producing STP-1 powered sailplane 1973. Other projects never happened.
Saalfeld Aircraft Co. produced Skyskooter autogyro (12 October 1960), Mr H.A. Saalfeld later being killed in crash.
Sabreliner Corp. formed July 1983 as subsidiary of NY bankers Wolsey & Co. following latter's purchase of Sabreliner Division from Rockwell. Based St Louis, with another site at Long Beach,…
Spectrum Aircraft Corp., Van Nuys, CA, produced SA-550 modified Cessna/Reims Skymaster for multiple utility roles 1982.
Horace E. Sackett produced low-wing Special J-1 Jeanie using some parts of J-3 Cub (5 June 1955).
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