# N550HG: 1983 Gates Learjet 55, registration cancelled 2025-01-22

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: January 22, 2025
- Status when cancelled: Valid registration
- Airframe: [Gates Learjet 55](https://openairdocs.org/model/gates-learjet-55) (registry code 5170702)
- Engine: [Garrett TFE731 series](https://openairdocs.org/engine/garrett-tfe731-series) (registry code 29001)
- Data sheets: [TCDS A10CE](https://openairdocs.org/tcds/A10CE), [TCDS E6WE](https://openairdocs.org/tcds/E6WE) (OpenAirDocs)
- Serial number: 083
- Year built: 1983
- Type of aircraft: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: May 31, 1983
- Certificate issued: February 21, 2020
- Last registry action: January 22, 2023
- Mode S code: A70021
- Owner when cancelled: [Pollard Aircraft Sales Inc](https://openairdocs.org/faa-owner/POLLARD%20AIRCRAFT%20SALES%20INC)
- Location: [Fort Worth, TX](https://openairdocs.org/faa-place/TX/Fort%20Worth)
- Owner type: Corporation
- Owner's area on the map: 32.8167° N, 97.3597° W: Placed by OpenAirDocs at the center of ZIP code 76106, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N550HG
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=550HG
- Page: https://openairdocs.org/deregistered/N550HG-2025-01-22

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 Gates Learjet 55: https://openairdocs.org/model/gates-learjet-55.md

## Service difficulty reports (3)

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

- [SDR DELA200600003](https://openairdocs.org/sdr/DELA200600003), Jul 31, 2006: GASKET. LEAKING. CLIMBING THROUGH FL 300, THE FLIGHT CREW WITNESSED THE RT ENG FIRE WARN LIGHT ILLUMINATE. FOLLOWING CHECKLIST PROCEDURES, THE LIGHT WENT OUT AFTER 15-20 SECONDS
- [SDR DELA200500008](https://openairdocs.org/sdr/DELA200500008), Jul 9, 2005: SEAL. LEAKING. RIGHT ENGINE FIRE TEE HANDLE ILLUMINATED DURING CLIMB OUT. AFM PROCEDURE FOLLOWED. POWER LEVER PLACED TO IDLE AND FIRE LIGHT EXTINGUISHED. REPLACED RIGHT PYLON 
- [SDR 20010321CW001](https://openairdocs.org/sdr/20010321CW001), Feb 9, 2001: TIRE. FLAT. UPON LANDING, CREW NOTICED ON POST FLIGHT NR 2 TIRE, FLAT SPOTED. DISPATCHED MAINTENANCE TECH. WITH THE APPROPRIATE PARTS, REMOVED AND REPLACED NR2 MAIN WHEEL A

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