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Enstrom F-28


Enstrom F-28

F-28 / 280
Enstrom 280FX Shark
Role Light helicopter
Manufacturer Enstrom Helicopter
Introduction 1965
Produced 1965-present
Variants Enstrom 480

The Enstrom F-28 and 280 are a family of small, light piston-engined helicopters produced by the Enstrom Helicopter Corporation.[1]

Design and development

Since delivering their first helicopter shortly after Federal Aviation Administration type certification of the F-28 model in April 1965, Enstrom helicopter has produced (as of 2007) approx 1,200 aircraft.[2]

The company produces three models, the F-28, the more aerodynamic 280 and the turbine-engined 480, each with their own variants. The F-28 and 280 both use Lycoming piston engines virtually identical to those found in general aviation fixed-wing aircraft.[1]



Certified April 1965.[1][3]
Initial production version. Certified May 1968.[1][3]
Turbine powered.[1]
Turbocharged version.[1]
Fitted with an upgraded engine with turbocharger, and a two piece windscreen. Certified 1975[1][3]
Fitted with a more rounded cabin, a single piece windsrceen and new console.
F-28F Falcon
Similar to F-28C with more powerful engine, improved turbocharger and addition of a throttle corellator. Certified December 1980[1][3]
Police patrol version developed for the Pasadena Police Department. It is equipped with searchlights, FLIR and a PA system.


280 Shark
Certified September 1975.[1]
280C Shark
Aerodynamically refined version of the F28C-2, equipped with an upgraded engine, fitted with a turbocharger. Certified 1975[1]
280L Hawk
Stretched cabin four-seat version, first flying in December 1968. Development halted due to lack of funds.
Similar to 280C with more powerful engine, improved turbocharger and addition of a throttle correlator. Certified December 1980[3]
Based on the 280F with landing gear fairings, redesigned air intakes on top of the cabin and a redesigned a relocated horizontal stabilizer with vertical end plates. Certified in January 1985[3]


 United States

Specifications (F28F)

Data from Brassey's World Aircraft & Systems Directory[9]

General characteristics
  • Crew: One
  • Capacity: Two passengers
  • Length: 29 ft 3 in (8.91 m)
  • Rotor diameter: 32 ft (9.75 m)
  • Height: 9 ft (2.74 m)
  • Disc area: 804 ft² (74.7 m²)
  • Empty weight: 1,570 lb (712 kg)
  • Loaded weight: 2,600 lb (1,179 kg)
  • Useful load: 1,030 lb (467 kg)
  • Max. takeoff weight: 2,600 lb (1,179 kg)
  • Powerplant: 1 × Lycoming HIO-360-F1AD piston engine, 225 hp (168 kW)


See also

Related development
Aircraft of comparable role, configuration and era


  • Federal Aviation Administration Type Certificate No.H1CE

External links

  • Enstrom Piston products page
  • Enstrom page on The Helicopter History site
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