# N83021: 1946 Aeronca 7AC, registration cancelled 1955-04-18

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: April 18, 1955
- Status when cancelled: Valid registration
- Airframe: [Aeronca 7AC](https://openairdocs.org/model/aeronca-7ac) (registry code 2110102)
- Data sheets: [TCDS A-759](https://openairdocs.org/tcds/A-759) (OpenAirDocs)
- Serial number: 7AC-1680
- Year built: 1946
- Type of aircraft: Fixed wing single engine
- Certificate issued: April 6, 1946
- Mode S code: AB5B12
- Owner when cancelled: [Warren S Frothingham DBA Plum Island Flying Servic](https://openairdocs.org/faa-owner/WARREN%20S%20FROTHINGHAM%20DBA%20PLUM%20ISLAND%20FLYING%20SERVIC)
- Location: [Newburyport, MA](https://openairdocs.org/faa-place/MA/Newburyport)
- Owner type: Partnership
- The mark today: https://openairdocs.org/aircraft/N83021
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=83021
- Page: https://openairdocs.org/deregistered/N83021-1955-04-18

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 Aeronca 7AC: https://openairdocs.org/model/aeronca-7ac.md

## Other aircraft with N83021

- [Registered now](https://openairdocs.org/aircraft/N83021): Piper PA-28-181, S/N 28-8190104, built 1980

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.