# N840: Cessna T-50, registration cancelled 1950-02-27

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: February 27, 1950
- Status when cancelled: Valid registration
- Airframe: [Cessna T-50](https://openairdocs.org/model/cessna-t-50) (registry code 2071302)
- Data sheets: [TCDS A-722](https://openairdocs.org/tcds/A-722) (OpenAirDocs)
- Serial number: 44145
- Type of aircraft: Fixed wing multi engine
- Certificate issued: May 25, 1945
- Mode S code: AB7FD8
- Owner when cancelled: [Hemmerdinger M E](https://openairdocs.org/faa-owner/HEMMERDINGER%20M%20E)
- Location: [Arlington, VA](https://openairdocs.org/faa-place/VA/Arlington)
- Owner type: Individual
- The mark today: https://openairdocs.org/aircraft/N840
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=840
- Page: https://openairdocs.org/deregistered/N840-1950-02-27

From the FAA registry file of October 31, 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 Cessna T-50: https://openairdocs.org/model/cessna-t-50.md

## Other aircraft with N840

- [Registered now](https://openairdocs.org/aircraft/N840): North American P-64, S/N 68-3061, built 1940
- [Cancelled 1965-06-03](https://openairdocs.org/deregistered/N840-1965-06-03): Donald R Voland V-1, S/N 1. Owner: [Experimental Aircraft Assn](https://openairdocs.org/faa-owner/EXPERIMENTAL%20AIRCRAFT%20ASSN), [Franklin, WI](https://openairdocs.org/faa-place/WI/Franklin)
- [Cancelled 1957-05-06](https://openairdocs.org/deregistered/N840-1957-05-06): Delackner Helicopters DH4, S/N 2. Owner: [De Lackner Helicopter Inc](https://openairdocs.org/faa-owner/DE%20LACKNER%20HELICOPTER%20INC), [Mount Vernon, NY](https://openairdocs.org/faa-place/NY/Mount%20Vernon)

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