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Learjet 45
Super midsize jet
The Learjet 45 is the ultimate midsize executive jet, significantly expanding the cabin of the 40XR for superior space and capacity (up to 9 passengers). It combines high speed, a 51,000-foot ceiling, and robust Part 25 safety standards for unmatched mid-range utility.

The Clean-Sheet Revolution
Overview
The Bombardier Learjet 45 was certified in September 1997, marking the company's first completely new, "clean-sheet" design since the original Learjet 23 in 1963. This ambitious project effectively revolutionized the Learjet line by combining the high-speed performance of its predecessors with the space and robust engineering of a medium jet. The Model 45 was built to meet the stringent FAA Part 25 safety rules (transport category/airliner standard), ensuring robust structural integrity and comprehensive systems redundancy ,a key differentiator from many older light jets. Structurally, it moved away from the legacy circular fuselage, adopting an ovoid cross-section to maximize usable head and shoulder room, creating a spacious cabin (19,9 feet long) that was unprecedented for a Learjet. The aircraft is powered by reliable Honeywell TFE731-20AR engines and features a state-of-the-art Honeywell Primus 1000 four-screen glass cockpit. The Learjet 45 retains the family's renowned high-altitude capability, boasting a maximum service ceiling of 51,000 feet and a high cruise speed of 460 knots. This combination of modern safety design, unmatched high-altitude performance, and high-utility cabin space cemented the Learjet 45 as a dominant force in the supermidsize business jet market.
Unprecedented Space
Luxury interior
The Learjet 45's cabin was a revolutionary clean-sheet design, utilizing an ovoid fuselage to maximize usable space and comfort. Its long, 19-foot, interior comfortably accommodates up to nine passengers in a true double-club configuration, creating a quiet, high-utility environment for productive executive travel.
Maximized Head and Shoulder Room
The innovative ovoid fuselage cross-section provides superior head and shoulder room compared to legacy circular designs. This structural choice enhances passenger comfort and mobility throughout the entire cabin.
Full Double Club Configuration
With a cabin length of 19,9 feet, the interior easily accommodates two comfortable club seating groups. This maximizes passenger capacity (up to 9) and facilitates in-flight business meetings.
Advanced Cabin Ambiance
Eight large, signature Learjet windows provide excellent natural light. The highly efficient air-conditioning system and modern controls ensure a quiet, comfortable, and consistent cabin ambiance at all altitudes.
Key Specifications & Performance
Technical Characteristics
The Learjet 45 delivers strong performance and range, distinguished by its unique 51,000-foot service ceiling and high-capacity cabin.
Performance
Maximum Cruise Speed
465 knots (861 km/h)
Maximum Range
2,060 nautical miles (3,815 km)
Service Ceiling
51,000 feet (15,545 m)
Takeoff Distance
4,300 feet (1,311 m)
Landing Distance
2,750 feet (838 m)
Rate of Climb
3,450 feet/minute (1,052 meters/minute)
Capacity
Passengers
Up to 9 (Typical executive configuration is 8)
Crew
2 (Pilot & Co-Pilot)
Cabin Volume
437 cubic feet (12.37 cubic meters)
Cabin Dimensions
Length: 19,1 ft (6,05 m)
Width: 5,1 ft (1,55 m)
Height: 4,11 ft (1,50 m)
Fuel & Engines
Fuel Capacity
8,085 pounds (3,667kg)
Engines
2 x Honeywell TFE731-20AR
Twin turbofan engines optimized for high-altitude cruise and high speed, providing excellent thrust and efficiency.
Thrust (each)
3,500 pounds of thrust (15.57 kN)
Cargo & Access
Cargo Door Size
Luggage is stored in two compartments: an external tailcone compartment (50 cu ft, the main area) and a smaller internal closet/area (15 cu ft).
Baggage Compartment
65 cubic feet (1.84 cubic meters)
CapacityApproximately 8–10 standard suitcases or medium bags.
High Altitude and Cabin Revolution
Key feature
The Learjet 45 revolutionized business travel by combining the brand’s relentless high-speed performance with a new standard in mid-size cabin utility. These two features define the aircraft, ensuring unparalleled comfort and efficiency on every flight.

Ovoid Fuselage & Double Club Seating
Passenger Comfort & Experience
The Learjet 45’s clean-sheet design created the most spacious and comfortable cabin in Learjet history. It abandoned the legacy circular fuselage, adopting an ovoid cross-section to maximize usable space, particularly head and shoulder room. The full cabin length of nearly 20 feet easily accommodates a full double club seating arrangement for up to nine passengers. This structural choice provides superior utility and comfort. The spacious, well-lit interior, coupled with a dedicated refreshment center and fully enclosed lavatory, ensures that the aircraft provides an atmosphere conducive to both relaxation and high-level business meetings, setting a new benchmark for utility and passenger satisfaction in the super-light midsize segment.

Unique Performance Edge
Performance & Technical Excellence
The Learjet 45 maintains the hallmark performance standard of the Learjet family, boasting a maximum service ceiling of 51,000 feet. This unique altitude capability, shared by only a handful of business jets globally, delivers a massive, tangible benefit to the passenger: it allows the aircraft to consistently fly far above virtually all commercial air traffic and adverse weather systems. By escaping the lower atmospheric layers, the jet ensures a remarkably smoother, quieter, and more direct flight path. This extreme high-altitude operation minimizes passenger exposure to turbulence, dramatically reducing travel fatigue, and ensuring the most efficient routes are flown without interference. This singular performance edge guarantees superior ride quality on every mission, maximizing comfort and productivity for all passengers on board.
Alternative Jet Options
Aircraft
Learjet 40XR
Super midsize jet
Flying in a Learjet 40XR
The Learjet 40 XR delivers Xtra Range and superior performance. Experience a spacious, midsize-feel cabin with high-speed capability for any mission.
Learjet 45 XR
Super midsize jet
Flying in a Learjet 45 XR
The Learjet 45 XR delivers Xtra Range and capacity. It combines a spacious midsize-feel cabin with enhanced power, offering superior, unrestricted travel for demanding missions.
Citation III
Super midsize jet
Flying in a Citation III
The Citation III revolutionized midsize travel. It combines a spacious, stand-up cabin with high-speed performance, delivering a smooth, comfortable, and efficient executive flight.