# N51DB: Gates Learjet 25D, registration cancelled

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: date not recorded
- 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: 246
- Type of aircraft: Fixed wing multi engine
- Mode S code: A65F63
- The mark today: https://openairdocs.org/aircraft/N51DB
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=51DB
- Page: https://openairdocs.org/deregistered/N51DB-undated

From the FAA registry file of October 27, 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

## Other aircraft with N51DB

- [Registered now](https://openairdocs.org/aircraft/N51DB): Piper PA-34-200T, S/N 34-7970042, built 1978

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