# N509AB: 1997 Learjet 31A, registration cancelled 2021-04-19

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: April 19, 2021
- Status when cancelled: Valid registration
- Airframe: [Learjet 31A](https://openairdocs.org/model/learjet-31a) (registry code 5170531)
- Engine: [Honeywell TFE731-2-3B](https://openairdocs.org/engine/honeywell-tfe731-2-3b) (registry code 33879)
- Data sheets: [TCDS A10CE](https://openairdocs.org/tcds/A10CE) (OpenAirDocs)
- Serial number: 136
- Year built: 1997
- Type of aircraft: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: November 21, 2006
- Certificate issued: February 9, 2012
- Last registry action: September 25, 2020
- Mode S code: A65B61
- Owner when cancelled: [Lj31a136 LLC](https://openairdocs.org/faa-owner/LJ31A136%20LLC)
- Location: [Memphis, TN](https://openairdocs.org/faa-place/TN/Memphis)
- Owner type: LLC
- Owner's area on the map: 35.0351° N, 89.9272° W: Placed by OpenAirDocs at the center of ZIP code 38118, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N509AB
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=509AB
- Page: https://openairdocs.org/deregistered/N509AB-2021-04-19

From the FAA registry file of November 5, 2026, cancelled registrations. Owners' street addresses are left out. The Mode S code belongs to the N-number, not the airframe.

ADs and bulletins for the Learjet 31A: https://openairdocs.org/model/learjet-31a.md

## Other aircraft with N509AB

- [Registered now](https://openairdocs.org/aircraft/N509AB): Learjet 60, S/N 073, built 1996

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