Learjet 24
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| Learjet 24 | |
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| NASA Learjet 24 | |
| Type | Business jet |
| Manufacturer | Learjet |
| Maiden flight | January 24, 1966 |
| Primary users | Private Military NASA |
| Number built | 210 |
The Learjet 24 is a 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 Learjet 23.
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[edit] History
The Learjet 24 is an improved Learjet 23. One of the obvious differences is the addition of one extra window on each side of the cabin. Improved engines were installed and some small changes were made, in order to meet the requirements of FAR part 25 regulations. In addition there was a new windshield, the auxiliary fuel tanks at the wingtips (tip-Tanks) and a fire-extinguishing system for the engines. The first flight of a Learjet 24 took place on January 24, 1966. Different variants were the 24A, B, C, D, E and F, with changes of takeoff weight, range, cabin and engines. Altogether 259 Model 24 were built, of which: 81 were the standard 24/24A, 49 were the 24B, 99 were the 24D, and 29 were the 24E/24F.
In the year 2001 there were still 210 Learjet 24's in use. Altogether 39 LJ24's had been lost through accidents.
[edit] Variants
[edit] Learjet 24A
Standard version. Converted from existing Learjet 23. Takeoff weight 5902 kg
[edit] Learjet 24B
Improved variant with 2x General Electric CJ-610-6 and 6129 kg maximum takeoff weight.
[edit] Learjet 24C
Similar to 24B, however without fuselage tank, thus with reduced range. Takeoff weight 5675 kg. None built.
[edit] Learjet 24D
Similar to Learjet 24C, however by changing surface tanks range and takeoff weight were increased 6129 kg. Round cabin windows replaced by angular.
[edit] Learjet 24E
Version of Learjet 24D, equipped for air taxi operations. The low-speed characteristics could be improved.
[edit] Learjet 24F
Like Learjet 24D, with additional fuselage tank. 2x General Electric CJ-610-8A. The low-speed characteristics could be improved.
[edit] Specifications
[edit] General characteristics for a Learjet 24E
- Cabin Height (Feet) 4.3
- Cabin Width (Feet) 4.9
- Cabin Length (Feet) 9
- Cabin Volume (Cubic Feet) 192
- Door Height (Feet) 4.2
- Door Width (Feet) 3
- Baggage Volume Internal (Cubic Feet) 40
- Baggage Volume External (Cubic Feet) n/a
- Seats - Executive 5
- Maximum Take-off Weight (lbs) 13500
- Maximum Landing Weight (lbs) 11880
- Basic Operating Weight w/crew (lbs) 7830
- Usable Fuel (lbs) 5628
- Payload with Full Fuel (lbs) 342
- Maximum Payload (lbs) 3570
- Range - Seats Full (nm) 850
- Maximum Range (nm) 1100
- Balance Field Length (feet) 4300
- Landing Distance (Factored) (feet) 5325
- Rate of Climb - ALL Engines (feet p/min) 6800
- Rate of Climb - One Engine Out (feet p/min) 2100
- Max Cruise Speed (ktas) 475
- Normal Cruise Speed (ktas) 439
- Long Range Cruise Speed (ktas) 410
- Service Ceiling at Maximum Weight (feet) 45000
- One Engine Inoperative Service Ceiling at Maximum Weight (feet) 28500
- Number of Engines 2
- Engine Model CJ610-6
- Engine Manufacturer General Electric
- Hover In Ground Effect (feet) n/a
- Hover Out of Ground Effect (feet) n/a
[edit] References
[edit] External link
[edit] Related content
Designation sequence
LJ23 - LJ24 - LJ25 - LJ28 - LJ29
Related lists
Learjet 23 • Learjet 24 • Learjet 25 • Learjet 28 • Learjet 29 • Learjet 31 • Learjet 35 • Learjet 36 • Learjet 40 • Learjet 45 • Learjet 55 • Learjet 60 • Learjet C-21
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