# N74166: Sikorsky HSS-1, registration cancelled 1961-03-08

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: March 8, 1961
- Exported to: Italy
- Status when cancelled: Valid registration
- Airframe: [Sikorsky HSS-1](https://openairdocs.org/model/sikorsky-hss-1) (registry code 8141820)
- Serial number: SS581260
- Type of aircraft: Rotorcraft
- Certificate issued: February 6, 1961
- Mode S code: A9F98A
- Owner when cancelled: [United Aircraft Corp](https://openairdocs.org/faa-owner/UNITED%20AIRCRAFT%20CORP)
- Owner type: Corporation
- The mark today: https://openairdocs.org/aircraft/N74166
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=74166
- Page: https://openairdocs.org/deregistered/N74166-1961-03-08

From the FAA registry file of November 12, 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 HSS-1: https://openairdocs.org/model/sikorsky-hss-1.md

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