As R. J. Enstrom Corporation, was formed in 1959 to develop experimental helicopter, first flown November 1960. Developed type (F-28) flown May 1962; and deliveries of further-improved F-28A began in 1968. First year's production was 43 aircraft. In 1968 first tests were made with turboshaft installation. Production stopped 1970, but resumed 1971 under Enstrom Helicopter Corporation title. After intervening acquisitions, including operation as part of Pacific Airmotive Aerospace Group, 1980 purchase by Bravo Investments BVC of the Netherlands, and acquisition by US investors, resumed manufacture. By June 1977 the 500th Enstrom helicopter had been delivered. See Spitfire Helicopter Company. Current title The Enstrom Helicopter Company, offering the piston-engined three-seat F28F (first flown December 1980 as improved F-28 type) and 280FX (available since 1985), latter based on F28F but with airframe and cabin refinements. Also offers the five-seat 480 Turbine (first flown October 1989), using an Allison turboshaft engine.

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