# N1170U: 1959 Sikorsky S-58ET, registration cancelled 1972-12-21

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: December 21, 1972
- Exported to: Thailand
- Status when cancelled: Valid registration
- Airframe: [Sikorsky S-58ET](https://openairdocs.org/model/sikorsky-s-58et) (registry code 8141803)
- Data sheets: [TCDS 1H11](https://openairdocs.org/tcds/1H11) (OpenAirDocs)
- Serial number: 58-1117
- Year built: 1959
- Type of aircraft: Rotorcraft
- Certificate issued: October 26, 1970
- Mode S code: A0489F
- Owner when cancelled: [Sikorsky Aircraft Div United Aircraft Corp](https://openairdocs.org/faa-owner/SIKORSKY%20AIRCRAFT%20DIV%20UNITED%20AIRCRAFT%20CORP)
- Location: [Fairfield, CT](https://openairdocs.org/faa-place/CT/Fairfield)
- Owner type: Corporation
- Owner's area on the map: 41.1730° N, 73.2808° W: Placed by OpenAirDocs at the center of ZIP code 06824, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N1170U
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=1170U
- Page: https://openairdocs.org/deregistered/N1170U-1972-12-21

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 S-58ET: https://openairdocs.org/model/sikorsky-s-58et.md

## Other aircraft with N1170U

- [Registered now](https://openairdocs.org/aircraft/N1170U): Mooney M20K, S/N 25-0702

---
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, except the copies of manufacturers’ service documents, which belong to their rights holders.