Learjet 23
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| Learjet 23 | |
|---|---|
 NASA Learjet 23 |
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| Type | Business jet |
| Manufacturer | Learjet |
| Designed by | Dr.eng. Hans-Luzius Studer |
| Maiden flight | October 7, 1963 |
| Primary users | Private Military NASA |
| Produced | 1962-1966 |
| Number built | 104 |
The Learjet 23 is an American six to eight seat (two crew and four to six passengers) twin-engined, high speed business jet. Manufactured by Learjet, the LJ23 was revolutionary in the aviation world.
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[edit] History
The Model 23 has its roots in a proposed fighter aircraft for Switzerland known as the FFA P-16, designed by Hans-Luzius Studer. Although the fighter was not built, William (Bill) Powell Lear, Sr. recognized the design's potential and established Swiss American Aviation Corporation (SAAC) to produce the aircraft as the SAAC Lear Jet 23. The company was moved to Wichita, Kansas where production was started on the first Model 23 on February 7, 1962. The first flight of the Learjet 23 took place on October 7, 1963, and on October 13, 1964, the first production aircraft was delivered.
With this jet a completely new market for fast and efficient business aircraft was opened. The LJ23 is considered as a model for a whole set of similar aeroplanes which remain in production.
Production of the Learjet 23 stopped in 1966 after a total of 104 had been built. In 1998 there were still 39 LJ23s in use. A total of 26 LJ23s have been lost through accidents.
[edit] Specifications
General characteristics
- Crew: Two pilots
- Capacity: 6 passengers
- Length: 35 ft 7 in (10.84 m)
- Wingspan: 43 ft 3 in (13.18 m)
- Height: 12 ft 3 (3.73 m)
- Wing area: 230.99 ft² (21.46 m²)
- Empty weight: 6151 lb (2,790 kg)
- Loaded weight: 3,517 kg 9000 Lb Zero Fuel Weight (7,755 lb)
- Max takeoff weight: 12,499 with an additional 250 lb allowed for taxi fuel (12,499 lb)
- Powerplant: 2× General Electric CJ610-4 turbojets
Performance
- Maximum speed: 561 mph (487 knots, 903 km/h) Mach .82
- Range: 2,549 mi (2,215 nm, 4,102 km)
- Service ceiling 44,996 ft FAA Certified for 41,000 Ft (13,715 m)
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