Learjet 24

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The Learjet 24 is an American six-to-eight-seat (two crew and four to six passengers) twin-engine, high-speed business jet, which was manufactured by Learjet as the successor to the Learjet 23.

Variants[edit | edit source]

  • Learjet 24A: Standard version. Converted from existing Learjet 23. Takeoff weight 13,499 pounds (6,123 kg). FAA certified on November 9th, 1966. Eighty-one aircraft were built.
  • Learjet 24B: Improved variant, powered by two 2,950 lbf (13.1 kN) thrust General Electric CJ610-6 turbojet engines, and 13,499 pounds (6,123 kg) maximum take-off weight. FAA certified December 17,th 1968. Forty-nine aircraft were built.
  • Learjet 24C: A light-weight version of the 24B, fuselage tank not fitted which would have caused a reduction in range. The Learjet 24C project was abandoned in December 1970. Take-off weight 5,675 kilograms (12,511 lb). None built.
  • Learjet 24D: Similar to Learjet 24C, however by changing surface tanks range and takeoff weight were increased to 6,129 kilograms (13,512 lb). Round cabin windows replaced by angular. FAA certified July 17th, 1970. Replaced the 24B in production. A reduced gross weight (restricted to 12,500 pounds (5,700 kg) version was also available (the 24D/A). Ninety-nine aircraft were built.
  • Learjet 24D/A: Light-weight version with a restricted take-off weight of 5,669 kg (12,500 lb).
  • Learjet 24E/24F: Two new versions were announced in 1976 the 24E and 24F, they introduced a new cambered wing and aerodynamic improvements to reduce stall and approach speed (Century III wing). The 24E did not have a fuselage fuel tank for higher payload but shorter range. Some 24E models had the fuselage tank installed later to restore range. Powered by two 2,950 lbf (13.1 kN) thrust General Electric CJ610-8A turbojet engines. On April 15th, 1977, the FAA approved extended ceiling to 51,000 feet (16,000 m), the highest level then achieved in civilian aviation. Twenty-nine aircraft were built.

See Also[edit | edit source]

Related Development[edit | edit source]

Comparable Aircraft[edit | edit source]