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Bell 412

Bell 412 in flight.

The Bell 412 is a twin engine civil utility helicopter developed from the Bell 212.

HistoryEdit

Development of the 412 began with the conversion of two 212s in the latter half of the 1970s. The main rotor was given four blades instead of two and the diameter was reduced. The first prototype flew in August 1979, with production starting the same year and the aircraft entering service in 1981. Several improved versions have been made since then, the most recent of which (the 412EP) has a dual digital automatic flight control system. Over 850 have been built so far, and production is ongoing. The 412 was developed into the Canadian CH-146 Griffon military transport in the early 1990s. 

SpecificationsEdit

  • Powerplant: Two Pratt & Whitney Canada PT6T-3BE Twin-Pac turboshaft engines
  • Top speed: 161 mph
  • Range: 463 miles
  • Ceiling: 20,000 ft
  • Crew: 1-2
  • Capacity: 13 passengers, 4,500 lbs of cargo
  • Empty weight: 6,789 lbs
  • Length: 56 ft 1 in
  • Height: 15 ft
  • Rotor diameter: 46 ft

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