# N2251H: 1946 Engineering & Research 415-C, registration cancelled 1950-09-28

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: September 28, 1950
- Status when cancelled: Valid registration
- Airframe: [Engineering & Research 415-C](https://openairdocs.org/model/engineering-research-415-c) (registry code 0420302)
- Data sheets: [TCDS A-718](https://openairdocs.org/tcds/A-718) (OpenAirDocs)
- Serial number: 2874
- Year built: 1946
- Type of aircraft: Fixed wing single engine
- Certificate issued: June 13, 1949
- Mode S code: A1F617
- Owner when cancelled: [Montana Skyways Inc](https://openairdocs.org/faa-owner/MONTANA%20SKYWAYS%20INC)
- Location: [Helema, MT](https://openairdocs.org/faa-place/MT/Helema)
- Owner type: Corporation
- The mark today: https://openairdocs.org/aircraft/N2251H
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=2251H
- Page: https://openairdocs.org/deregistered/N2251H-1950-09-28

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 Engineering & Research 415-C: https://openairdocs.org/model/engineering-research-415-c.md

## Other aircraft with N2251H

- [Registered now](https://openairdocs.org/aircraft/N2251H): Hylio AG-130, S/N 050257
- [Cancelled 2012-08-13](https://openairdocs.org/deregistered/N2251H-2012-08-13): Balloon Works FIREFLY 7, S/N 7770, built 1978. Sale reported, canceled. Owner: [Phoenix, AZ](https://openairdocs.org/faa-place/AZ/Phoenix)

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