The Learjet 45 (ICAO type LJ45) is an aircraft of United States origin, certificated in the Transport category. It has a maximum take-off weight of 9,700 kg. It offers a maximum range of 3,700 nm, a cruise speed of 434 knots, a service ceiling of 51,000 ft and seating for up to 10 across its variants.
Learjet 45
Fleet & certification
- Built
- 771
- Active
- 770
- Origin
- United States
118 for sale right now
Per-variant specifications
| Variant | Engine | MTOW | Range | Cruise | Pax |
|---|---|---|---|---|---|
| 45 45 | — | 9,100–9,700 kg | 2,040–3,700 nm | 432–434 kt | 9–10 |
The FAA paperwork
TCDS T00008WI · Rev 11 · issued 2005-08-10
- Category
- Transport
- MTOW
- 9,300 kg
- MZFW
- 7,260 kg
- OEW
- 2,750 kg
- Seats
- 2 crew · 9 passengers
- Fuel
- 3,427 L
- Ceiling
- 51,000 ft
Two Honeywell (AlliedSignal Engines) TFE731-20R or TFE731-20AR or TFE731-20BR-1B turbofan engines, TC E1NM.
Part 25 of the Federal Aviation Regulations effective February 1, 1965, as amended by amendments 25-1 through 25-77. Part 34 of the Federal Aviation Regulations effective September…
Where to look next
Learjet 45 market & fleet intelligence
Registry, flight-tracking and market data on the Learjet 45 fleet — updated daily.
19 yearsmedian age
Of the 463 registered Learjet 45 with a known build year (60% of the 771 we track), the median age is 19 years.
47changed registration in 12 months
47 of the 771 registered Learjet 45 we track changed registration in the last 12 months (6% of the fleet), across 47 registration events. Registration changes include ownership transfers, re-registrations and address updates — not all are sales.
- Aircraft seen flying
- 324
- Tracked flights
- 2,271
- Tracked flight hours
- 7,068
- Share of fleet flying
- 42%
324 Learjet 45 were tracked flying in the last 90 days (42% of the registered fleet), across 2,271 flights. Sprinkle flight tracking began May 2026; coverage is ADS-B-derived and not exhaustive.
What is the range of the Learjet 45?
The Learjet 45 has a maximum range of 3,700 nautical miles across variants.
How many people can the Learjet 45 carry?
The Learjet 45 seats up to 10 across its variants.
What is the MTOW of the Learjet 45?
The Learjet 45's maximum take-off weight is 9,700 kg.
What is the ICAO type designator for the Learjet 45?
The Learjet 45's ICAO type designator is LJ45.
How many Learjet 45 aircraft are registered worldwide?
Sprinkle tracks 771 registered Learjet 45 airframes worldwide.
Registered 45 aircraft
Individual 45 airframes by tail number — registration history, operator and lineage.
- N2022L· 2022
- N75KX· 2022
- N759A· 2021
- N475LS· 2021
- N188TS· 2021
- N4DA· 2021
- N75MT· 2021
- N736K· 2020
- N472HL· 2020
- N309MS· 2020
- N734K· 2020
- N738K· 2020
- PS-JOT· 2020
- N946RM· 2019
- PR-OVI· 2019
- C-GMHG· 2019
- N751EC· 2019
- N341K· 2019
- N177JB· 2019
- N300GR· 2019
- N730K· 2019
- N30CR· 2018
- PR-FJB· 2018
- N75AX· 2018