Business jets · Learjet (Bombardier)
Learjet 45 / 75 LJ45
The Learjet 45 is a light business jet from the brand that helped invent the business jet. The Learjet 75 is its updated version and shares the LJ45 designator.
Learjet 45s airborne over the US now
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of all airborne aircraftplus — on the ground
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Learjet 45s in the air over the last 24 hours
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Specifications
- ICAO code
- LJ45
- First flight
- 1995
- Typical cruise
- 450 kt / 518 mph
- Service ceiling
- 51,000 ft
- Range
- 1,900 nm / 2,186 mi
- Capacity
- 8-9 passengers
- Length
- 17.7 m / 58 ft
- Wingspan
- 14.6 m / 48 ft
Engines: 2 x Honeywell TFE731-20 turbofans. Family: Learjet. Figures are typical published values, rounded; real performance depends on variant, weight and conditions.
What it does in US skies
Learjet 45s and 75s are common charter and air ambulance aircraft across the US, valued for speed and the ability to climb high fast. Production ended in 2021, but hundreds still fly.
Main US operators: Charter operators, Air ambulance operators, Corporate flight departments.
How to recognize a Learjet 45
- Classic Learjet look: slim, pointed fuselage and swept T-tail
- Small upturned winglets on a fairly short wing
- Two engines tucked against the rear fuselage
- Larger than older Learjets 31 and 35, which have wingtip tanks or winglets but smaller cabins
How it looks on a flight tracker
Often cruises at FL410 to FL490 at 420 to 470 knots. Air ambulance flights may use MEDEVAC-style or company callsigns; others show N-numbers.
History
The Learjet 45 first flew in October 1995 as the first all-new Learjet in decades and entered service in 1998. The Learjet 75 arrived in 2013, and Bombardier ended Learjet production in 2021.
Where Learjet 45s are right now
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What is the ICAO code for the Learjet 45 / 75?
The ICAO aircraft type designator for the Learjet 45 / 75 is LJ45. Flight trackers and flight plans use this four-character code.
How fast does the Learjet 45 fly?
The Learjet 45 / 75 typically cruises at about 450 knots true airspeed (about 518 mph). Ground speed on a tracker varies with the wind.
How high can the Learjet 45 fly?
Its service ceiling is about 51,000 ft.