# N81AX: 1979 Gates Learjet 25D, registration cancelled 2015-09-29

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: September 29, 2015
- Status when cancelled: Registration expired
- Airframe: [Gates Learjet 25D](https://openairdocs.org/model/gates-learjet-25d) (registry code 5170514)
- Engine: [GE CJ610-8&9](https://openairdocs.org/engine/ge-cj610-8-9) (registry code 30014)
- Data sheets: [TCDS A10CE](https://openairdocs.org/tcds/A10CE) (OpenAirDocs)
- Serial number: 279
- Year built: 1979
- Type of aircraft: Fixed wing multi engine
- Engine type: Turbo-jet
- Airworthiness: Standard, transport
- Airworthiness date: June 22, 1979
- Certificate issued: October 27, 2004
- Last registry action: August 3, 2012
- Mode S code: AB0719
- Owner when cancelled: [Med Air LLC](https://openairdocs.org/faa-owner/MED%20AIR%20LLC)
- Location: [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington)
- Owner type: Corporation
- Owner's area on the map: 39.7236° N, 75.5412° W: Placed by OpenAirDocs at the center of ZIP code 19801, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N81AX
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=81AX
- Page: https://openairdocs.org/deregistered/N81AX-2015-09-29

From the FAA registry file of October 29, 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

## Service difficulty reports (2)

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

- [SDR ESUA116360](https://openairdocs.org/sdr/ESUA116360), Sep 13, 2002: LINE. LOOSE. PILOT DECLARED AN EMERGENCY ON APPROACH, IT WAS DISCOVERED THAT THE HYDRAULIC PRESSURE INDICATED (0). THE GEAR WAS ABLE TO BE PLACED IN THE DOWN AND LOCKED POSI
- [SDR 091302](https://openairdocs.org/sdr/091302), Sep 13, 2002: HYDRAULIC LINE. LOOSE. PILOT DECLARED AN EMERGENCY ON APPROACH INTO DALLAS LOVE FIELD. IT WAS DISCOVERED THAT THE HYDRAULIC PRESSURE INDICATED O. THE GEAR WAS ABLE TO BE PLACED IN THE

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