# N900AJ: Learjet 25, registration cancelled 2007-01-23

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: January 23, 2007
- Status when cancelled: Triennial form not returned
- Airframe: [Learjet 25](https://openairdocs.org/model/learjet-25) (registry code 5170506)
- Data sheets: [TCDS A10CE](https://openairdocs.org/tcds/A10CE) (OpenAirDocs)
- Serial number: 027
- Type of aircraft: Fixed wing multi engine
- Airworthiness: Standard, transport
- Airworthiness date: April 11, 1969
- Certificate issued: December 4, 2003
- Last registry action: November 21, 2006
- Mode S code: AC6F35
- Owner when cancelled: [Smartparts Inc](https://openairdocs.org/faa-owner/SMARTPARTS%20INC)
- Location: [Fort Lauderdale, FL](https://openairdocs.org/faa-place/FL/Fort%20Lauderdale)
- Owner type: Corporation
- Owner's area on the map: 26.1860° N, 80.1727° W: Placed by OpenAirDocs at the center of ZIP code 33309, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N900AJ
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=900AJ
- Page: https://openairdocs.org/deregistered/N900AJ-2007-01-23

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 25: https://openairdocs.org/model/learjet-25.md

## Other aircraft with N900AJ

- [Cancelled 2025-03-06](https://openairdocs.org/deregistered/N900AJ-2025-03-06): Piper PA-34-200T, S/N 34-7870272, built 1978. Exported to United Kingdom. Owner: [Valiair Lc Trustee](https://openairdocs.org/faa-owner/VALIAIR%20LC%20TRUSTEE), [Ogden, UT](https://openairdocs.org/faa-place/UT/Ogden)
- [Cancelled 1988-06-20](https://openairdocs.org/deregistered/N900AJ-1988-06-20): Piper PA-28R-200, S/N 28R35369. N-number assigned, not yet registered

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