# N3121A: Sikorsky S-76, registration cancelled 1982-11-05

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: November 5, 1982
- Exported to: Indonesia
- Status when cancelled: Valid registration
- Airframe: [Sikorsky S-76](https://openairdocs.org/model/sikorsky-s-76) (registry code 8143010)
- Data sheets: [TCDS H1NE](https://openairdocs.org/tcds/H1NE) (OpenAirDocs)
- Serial number: 760195
- Type of aircraft: Rotorcraft
- Certificate issued: November 21, 1981
- Mode S code: A350BB
- Owner when cancelled: [United Technologies Corp](https://openairdocs.org/faa-owner/UNITED%20TECHNOLOGIES%20CORP)
- Location: [Stratford, CT](https://openairdocs.org/faa-place/CT/Stratford)
- Owner type: Corporation
- Owner's area on the map: 41.1845° N, 73.1332° W: Placed by OpenAirDocs: center of Stratford, CT, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N3121A
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=3121A
- Page: https://openairdocs.org/deregistered/N3121A-1982-11-05

From the FAA registry file of November 3, 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 Sikorsky S-76: https://openairdocs.org/model/sikorsky-s-76.md

## Other aircraft with N3121A

- [Cancelled 2013-10-29](https://openairdocs.org/deregistered/N3121A-2013-10-29): Bell UH-1B, S/N 63-8523. Registration expired, pending cancellation. Owner: [American Aircraft Corp](https://openairdocs.org/faa-owner/AMERICAN%20AIRCRAFT%20CORP), [Long Beach, CA](https://openairdocs.org/faa-place/CA/Long%20Beach)
- [Cancelled 1988-07-07](https://openairdocs.org/deregistered/N3121A-1988-07-07): Beech F33A, S/N CE1180. N-number assigned, not yet registered
- [Cancelled 1965-06-12](https://openairdocs.org/deregistered/N3121A-1965-06-12): Cessna 170B, S/N 25765, built 1953. Owner: [Casey Lionel J Jr](https://openairdocs.org/faa-owner/CASEY%20LIONEL%20J%20JR), [Norfolk, VA](https://openairdocs.org/faa-place/VA/Norfolk)

---
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.