fixed-wing multi-engine
N121LJ1996 Learjet 31A

Registration record
N121LJ on the FAA register
- Type
- 1996 Learjet 31A
- Serial
- 31A-0121
- Engines
- 2 × Honeywell TFE731 (TFE731-2/3 series)
- Registered owner
- N121LJ LLC, Elmira, NY
- Certificate issued
- 2021-08-19
- Airworthiness date
- 1996-05-03
- Mode S (hex)
- A0586C
- Status
- Seats
- 7
- Range
- 1,290 nm
- Cruise
- 441 kt
- Estimated value
- $546K to $954K
The Embraer Phenom 300/300E value curve, scaled to N121LJ's listing-based estimate, with a wider range.
Overview
This airframe, registered as N121LJ, is a 1996-built Learjet 31A with manufacturer listed as Bombardier Aerospace and serial number 31A-0121. The aircraft is owned by N121LJ LLC, a corporation based in Elmira, NY, and operates on the US registry.
Operations & Cabin
The airframe is outfitted in a 7-place executive cabin layout, described as a 7-place executive layout with large entry upgrade and belted lavatory options, supporting executive light-jet missions and short cross-country trips. Avionics remain the original Bendix/King EFIS/KFC-3100 autopilot legacy architecture augmented with WAAS/LPV and ADS-B Out, and the installation includes XM Weather for enhanced en route meteorological information. Typical mission profiles for this aircraft under corporate ownership center on point-to-point business travel within its 1,290 nm range and high-speed cruise capability of 441 kts, with transcontinental legs requiring fuel stops. Maintenance considerations for this specific airframe include continuing support for legacy Bendix/King avionics platforms and the Honeywell TFE731 engine series, both of which have established aftermarket pathways but can entail avionics upgrade planning for long-term operational relevance.
Model & Market Context
The Learjet 31A family occupies the light, high-performance business jet niche, valued for fast cruise speeds and high service ceilings up to 51,000 ft, directly competing with other light jets in the 4-8 passenger class. Prospective owners often weigh the costs of avionics modernization and engine lifecycle events against mission needs and the platform’s strong cruise and ceiling performance.

Data: Radar, FAA aircraft registry file of 2026-10-09.
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