# N4012S: 1975 Sikorsky S-65C3, registration cancelled 1975-05-14

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: May 14, 1975
- Exported to: Israel
- Status when cancelled: Valid registration
- Airframe: [Sikorsky S-65C3](https://openairdocs.org/model/sikorsky-s-65c3) (registry code 8142710)
- Serial number: 65398
- Year built: 1975
- Type of aircraft: Rotorcraft
- Certificate issued: April 19, 1975
- Mode S code: A4B307
- Owner when cancelled: [United Aircraft Corp Sikorsky Aircraft Division](https://openairdocs.org/faa-owner/UNITED%20AIRCRAFT%20CORP%20SIKORSKY%20AIRCRAFT%20DIVISION)
- Location: [Stratford, CT](https://openairdocs.org/faa-place/CT/Stratford)
- Owner type: Corporation
- The mark today: https://openairdocs.org/aircraft/N4012S
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4012S
- Page: https://openairdocs.org/deregistered/N4012S-1975-05-14

From the FAA registry file of October 31, 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-65C3: https://openairdocs.org/model/sikorsky-s-65c3.md

## Other aircraft with N4012S

- [Cancelled 2013-07-08](https://openairdocs.org/deregistered/N4012S-2013-07-08): Krywosa Thomas E CHALLENGER II, S/N CH203910675. Registration expired, pending cancellation. Owner: [Krywosa Thomas E](https://openairdocs.org/faa-owner/KRYWOSA%20THOMAS%20E), [Boonville, NY](https://openairdocs.org/faa-place/NY/Boonville)
- [Cancelled 1992-02-04](https://openairdocs.org/deregistered/N4012S-1992-02-04): Ayres S2R-T34, S/N 6032. Exported to Spain. Owner: [Ruhe Sales Inc](https://openairdocs.org/faa-owner/RUHE%20SALES%20INC), [Leipsic, OH](https://openairdocs.org/faa-place/OH/Leipsic)

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