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 Aircraft Components

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Based in Wichita Kansas, the American manufacturer of high performance business jets, Learjet Corporation was founded by an American inventor and business man, William Powell “Bill” Lear in 1962. Learjet Corporation was one of the first companies to manufacture a private luxury aircraft, and it was the first business jet to circle the globe. In October 7, 1963 Learjet completed its first flight with the Learjet 23 which was then delivered in October 1964 to Chemical Industrial Corporation of Cincinnati, Ohio. In May 1965 Learjet established three world speed records, Los Angeles to New York and return in just 10 hours and 21 minutes of fly time with two refueling stops. The six-to-eight seat, Learjet 23 shortly became the first mass-produced business jet. A total of 104 aircrafts were manufactured before production ceased in 1966, however several derived models followed with the success of the Learjet 23.
The first derived model was the Learjet 24, which was designed as the improved version of the Learjet 23. The six-to-eight seat twin engine jet improvements included an increased cabin pressurization, more powerful engines, a new windshield, auxiliary fuel in wingtip tanks, and a fire-extinguishing system for the engines. With the new improvements, the Learjet 24 was the first business aircraft to be certified under U.S. FAR Part 25 in March 1966 which superseded the former CAR 4b transport category. A total of 259 models were manufactured and 210 still in use.
Later developed from Learjet 24, in November 1967 the Learjet 25 was introduced. The ten seat, twin engine, high speed business aircraft is a stretched version of the Learjet 24, 1.27 m longer allowing more space for three additional passengers.
With Learjet constantly making improvements, they introduced the eight-to-ten passenger twin-engine, with a longer range fuel tank, the Learjet 28. It was developed from the Learjet 25 and later developed into the Learjet 31 which was produced from 1987 until 2003.
By 1986 Learjet had delivered a total of 1,500 aircrafts. Learjet Corporation was acquired by Bombardier Aerospace when they purchased it in 1990, then marketed the aircrafts as the “Bombardier Learjet Family”. After some time, in 1991, Bombardier established the Bombardier Flight test center in Wichita, Kansas where the weather was best for flight testing.
Before Bill Lear’s death, his last designed project is known to be the most innovative projects, the revolutionary aircraft named the LearAvia Lear Fan 2100 which is a seven-passenger aircraft whose single pusher propeller as powered by two turbine engines. There were a total of three built and can be found on display at the Museum of Flight in Seattle Washington.
The derived models include:
  • Learjet 23
  • Learjet 24
  • Learjet 25
  • Learjet 28
  • Learjet 29
  • Learjet 31
  • Learjet 35 (see Bombardier)
  • Learjet 36 (see Bombardier)
  • Learjet 40 (see Bombardier)
  • Learjet 45 (see Bombardier)
  • Learjet 55 (see Bombardier)
  • Learjet 60 (see Bombardier)
  • Learjet 70 / 75 (see Bombardier)
  • Learjet 85 (see Bombardier)