# N3661H: 1946 Engineering & Research 415-C, registration cancelled 1955-11-21

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: November 21, 1955
- 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: 4286
- Year built: 1946
- Type of aircraft: Fixed wing single engine
- Certificate issued: February 25, 1947
- Mode S code: A42519
- Owner when cancelled: [Mossman William W Et Al](https://openairdocs.org/faa-owner/MOSSMAN%20WILLIAM%20W%20ET%20AL)
- Location: [Honolulu, HI](https://openairdocs.org/faa-place/HI/Honolulu)
- Owner type: Co-owned
- The mark today: https://openairdocs.org/aircraft/N3661H
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=3661H
- Page: https://openairdocs.org/deregistered/N3661H-1955-11-21

From the FAA registry file of November 7, 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 N3661H

- [Registered now](https://openairdocs.org/aircraft/N3661H): Mooney M20K, S/N 25-0440, built 1980

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