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The Learjet 24
is an American
six to eight seat (two crew and four to six passengers) twin-engined, high speed business jet
. Manufactured by Learjet
as the successor to the Lear Jet 23
The Learjet 24 was designed as an improved version of the Learjet 23
, which was limited to gross weight. Engineers designed the model 24 to accept up to the full gross weight permitted by FAR-25 standards
Other improvements introduced in the Learjet 24 included:
- increased cabin pressurization, to allow a higher operating altitude
- the addition of one extra window on each side of the cabin
- more powerful engines
- a new windshield
- auxiliary fuel in wing tip tanks
- a fire-extinguishing system for the engines
With these changes, the LJ24 became the first business jet to be certified under FAR-25.
The first flight of a Learjet 24 took place on January 24, 1966. From May 23 to 26, 1966, a Learjet 24 flew around the world in 50 hours, 20 minutes flying time as a demonstration of its capabilities.
Different variants were the 24A, B, C, D, E and F, with changes of takeoff weight, range, cabin and engines.
Altogether 259 Model 24s were built, and in 2001, there were still 210 Learjet 24s in use. Altogether 39 LJ24s had been lost through accidents.
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