# N4017S: 1971 Sikorsky S-61A, registration cancelled 1972-02-25

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: February 25, 1972
- 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: 61485
- Year built: 1971
- Type of aircraft: Rotorcraft
- Certificate issued: January 11, 1972
- Mode S code: A4B3B6
- Owner when cancelled: [Sikorsky Aircraft Division United Aircraft Corp](https://openairdocs.org/faa-owner/SIKORSKY%20AIRCRAFT%20DIVISION%20UNITED%20AIRCRAFT%20CORP)
- Location: [Stratford, CT](https://openairdocs.org/faa-place/CT/Stratford)
- Owner type: Corporation
- The mark today: https://openairdocs.org/aircraft/N4017S
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4017S
- Page: https://openairdocs.org/deregistered/N4017S-1972-02-25

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

## Other aircraft with N4017S

- [Registered now](https://openairdocs.org/aircraft/N4017S): Robinson Helicopter R44 II, S/N 15031, built 2026
- [Cancelled 2006-06-07](https://openairdocs.org/deregistered/N4017S-2006-06-07): Domaille Robert S RANS S-12, S/N 1091135. Triennial form not returned. Owner: [Greiner Ben R](https://openairdocs.org/faa-owner/GREINER%20BEN%20R), [Albuquerque, NM](https://openairdocs.org/faa-place/NM/Albuquerque)

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