# N4225S: 1976 Sikorsky S-61A, registration cancelled 1977-02-24

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: February 24, 1977
- Exported to: Malaysia
- Status when cancelled: Valid registration
- Airframe: [Sikorsky S-61A](https://openairdocs.org/model/sikorsky-s-61a) (registry code 814210C)
- Data sheets: [TCDS H2EA](https://openairdocs.org/tcds/H2EA) (OpenAirDocs)
- Serial number: 61783
- Year built: 1976
- Type of aircraft: Rotorcraft
- Certificate issued: November 4, 1976
- Mode S code: A50625
- 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/N4225S
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4225S
- Page: https://openairdocs.org/deregistered/N4225S-1977-02-24

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 Sikorsky S-61A: https://openairdocs.org/model/sikorsky-s-61a.md

## Other aircraft with N4225S

- [Registered now](https://openairdocs.org/aircraft/N4225S): Forsythe Lance Lee SKYRAIDER II, S/N SK 100, built 2016

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