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The Learjet 55 "Longhorn" is a business jet manufactured by Gates Learjet. The introduction of the Learjet 50 series occurred at the 1977 Paris air show. The winglets on the Learjet 55 were developed by NASA. The winglets gave the 55 the nickname "longhorn." Construction of the Learjet 55 began in April 1978 after extensive testing and work on the wing design which came, initially, from the Learjet 25. The Learjet 55 first flew on 19 April 1979. The first production aircraft were produced starting 18 March 1981. 147 Learjet 55 aircraft were delivered.
[edit] Variants
- 54
- Proposed 11-seat variant, not built.
- 55B
- 1986 - Glass cockpit, improved take-off performance and increased range.
- 55C
- 1987 - New rear underfuselage design, delta fins to increase stability and reduced the landing speed.
- 55C/LR
- Held an extra 259 lb of fuel in the tailcone and 85 gallons behind the fuselage.
- 56
- Proposed eight-seat version, not built.
[edit] Specifications (Learjet 55)
General characteristics
- Crew: 2
- Capacity: 7 passengers
- Length: 55 ft 1 in (16.80 m)
- Wingspan: 42 ft 9 in (13.35 m)
- Height: 14 ft 8 in (4.48 m)
- Wing area: 264.5 ft² (24.57 m²)
- Empty weight: 12,860 lb (5,830 kg)
- Max takeoff weight: 21,500 lb (9,750 kg)
- Powerplant: 2× Garrett TFE731-3A-2B , 3,700 lbf, 3,880 lbf w/ APR (16.5 kN, 17.3 kN w/ APR) each
Performance
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