# N55SL: Gates Learjet 25D, registration cancelled 2000-11-20

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: November 20, 2000
- Exported to: Mexico
- Status when cancelled: Triennial form not returned
- Airframe: [Gates Learjet 25D](https://openairdocs.org/model/gates-learjet-25d) (registry code 5170514)
- Data sheets: [TCDS A10CE](https://openairdocs.org/tcds/A10CE) (OpenAirDocs)
- Serial number: 219
- Type of aircraft: Fixed wing multi engine
- Certificate issued: April 26, 1983
- Last registry action: May 20, 1998
- Mode S code: A6FEAD
- Owner when cancelled: [Sutherland Lumber-Southwest Inc](https://openairdocs.org/faa-owner/SUTHERLAND%20LUMBER-SOUTHWEST%20INC)
- Location: [Kansas City, MO](https://openairdocs.org/faa-place/MO/Kansas%20City)
- Owner type: Corporation
- Owner's area on the map: 39.0571° N, 94.5939° W: Placed by OpenAirDocs at the center of ZIP code 64111, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N55SL
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=55SL
- Page: https://openairdocs.org/deregistered/N55SL-2000-11-20

From the FAA registry file of October 28, 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 Gates Learjet 25D: https://openairdocs.org/model/gates-learjet-25d.md

## FAA accident and incident reports (2)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Incident 19911127059669I](https://openairdocs.org/incident/19911127059669I), Nov 27, 1991: Lear 25D (N55SL), Kansas City, MO. Left essential and essential bus breakers both opened on descent. Unable to reset. Replaced breakers.
- [Incident 19900419016319I](https://openairdocs.org/incident/19900419016319I), Apr 19, 1990: Lear 25D (N55SL), Tulsa, OK. Left engine flamed out on climb. Descended and restarted it. Landed at destination. Compressor blades worn short

## Other aircraft with N55SL

- [Registered now](https://openairdocs.org/aircraft/N55SL): Bell Helicopter Textron Canada 206L-4, S/N 52347, built 2007

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.