# N4051S: Sikorsky S-65C, registration cancelled 1975-10-10

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: October 10, 1975
- Exported to: Israel
- Status when cancelled: Valid registration
- Airframe: [Sikorsky S-65C](https://openairdocs.org/model/sikorsky-s-65c) (registry code 8142706)
- Serial number: 65407
- Type of aircraft: Rotorcraft
- Certificate issued: August 20, 1975
- Mode S code: A4C1C0
- 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
- The mark today: https://openairdocs.org/aircraft/N4051S
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4051S
- Page: https://openairdocs.org/deregistered/N4051S-1975-10-10

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 Sikorsky S-65C: https://openairdocs.org/model/sikorsky-s-65c.md

## Other aircraft with N4051S

- [Cancelled 2013-03-07](https://openairdocs.org/deregistered/N4051S-2013-03-07): Balloon Works FIREFLY 7, S/N 7948, built 1979. Registration expired, pending cancellation. Owner: [Wright Edwad B](https://openairdocs.org/faa-owner/WRIGHT%20EDWAD%20B), [Carmel, IN](https://openairdocs.org/faa-place/IN/Carmel)

---
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.