# N25HF: 1979 Gates Learjet 25D, registration cancelled 2004-06-25

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: June 25, 2004
- Exported to: Mexico
- Status when cancelled: Second triennial mailing, no response
- Airframe: [Gates Learjet 25D](https://openairdocs.org/model/gates-learjet-25d) (registry code 5170514)
- Engine: [GE CJ-610-8A](https://openairdocs.org/engine/ge-cj-610-8a) (registry code 30035)
- Data sheets: [TCDS A10CE](https://openairdocs.org/tcds/A10CE), [TCDS 1E16](https://openairdocs.org/tcds/1E16) (OpenAirDocs)
- Serial number: 295
- Year built: 1979
- Type of aircraft: Fixed wing multi engine
- Engine type: Turbo-jet
- Airworthiness: Standard, normal
- Airworthiness date: September 25, 1998
- Certificate issued: January 19, 2000
- Last registry action: April 17, 2003
- Mode S code: A255DA
- Owner when cancelled: [Alj LLC](https://openairdocs.org/faa-owner/ALJ%20LLC)
- Location: [Dover, DE](https://openairdocs.org/faa-place/DE/Dover)
- Owner type: Corporation
- Owner's area on the map: 39.1815° N, 75.4736° W: Placed by OpenAirDocs at the center of ZIP code 19901, within about 5 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N25HF
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=25HF
- Page: https://openairdocs.org/deregistered/N25HF-2004-06-25

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 (1)

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

- [SDR 20010205CW013](https://openairdocs.org/sdr/20010205CW013), Jan 9, 2001: HYDRAULIC LINE. CHAFED. PILOT LOST HYDRAULIC PRESSURE IN FLIGHT. INSPECTION REVEALED HYDRAULIC PRESSURE LINE FROM LEFT ENGINE TO AUXILLARY HYDRALUIC PUMP MANIFOLD LINE, CHAFFED AT CLAM

## Other aircraft with N25HF

- [Registered now](https://openairdocs.org/aircraft/N25HF): Embraer S A EMB-505, S/N 50500149, built 2013
- [Cancelled 2016-07-07](https://openairdocs.org/deregistered/N25HF-2016-07-07): Gates Learjet 25D, S/N 367, built 1983. Exported to Mexico. Owner: [Fv Aviation LLC](https://openairdocs.org/faa-owner/FV%20AVIATION%20LLC), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington)

---
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.