Learjet 40
Turbofan • twin engine • Low Wing • Retractable gear
Range Visualization
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Payload vs. Range
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Default: 190 lbs (FAA standard)
Default: 30 lbs
Mission Profile
About the Learjet 40
The Learjet 40 entered the market in 2004 as a successor to the Learjet 31A and a shorter, lighter alternative to the Learjet 45. Derived directly from the Model 45, it shares the same cross-section and systems but features a fuselage shortened by approximately two feet (removing two seats) and reduced fuel capacity. It was designed to outperform the Citation Bravo and Encore in speed and cabin volume.
Key Features for GA Buyers
- Class-Leading Performance: Boasts a service ceiling of 51,000 ft and high cruise speeds (Mach 0.81), allowing it to fly above most commercial traffic and weather.
- Cabin Comfort: Features a flat-floor cabin (no spar intrusion) with a cross-section larger than many light jet competitors, offering “mid-size” comfort in the light jet category.
- Part 25 Safety: Built to rigorous transport-category (FAR Part 25) safety standards, including redundant systems not always found in lighter jets.
Trade-offs
- Range vs. Payload: While capable of ~1,700 nm, filling the seats significantly reduces range. It carries about 100 gallons less fuel than the Learjet 45.
- Climb Performance: Initial climb rate (~2,800 fpm) is modest compared to the “rocket-like” performance of older Learjet models (e.g., Lear 35/20 series), primarily due to its heavier, robust airframe.
Technical Specifications
Dimensions
- Wingspan
- 47.8 ft
- Length
- 55.5 ft
- Height
- 14.1 ft
Weights
- Max Takeoff Weight
- 20,350 lbs
- Max Landing Weight
- 19,200 lbs
- Useful Load
- 2,305 lbs
- Fuel Capacity
- 802 gal
Performance
- Cruise Speed
- 464 KTAS
- Range
- 1692 NM
- Service Ceiling
- 51,000 ft
- Rate of Climb
- 2820 fpm
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