# N90935: 1959 Sikorsky S-58DT, registration cancelled 2021-05-08

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: May 8, 2021
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Sikorsky S-58DT](https://openairdocs.org/model/sikorsky-s-58dt) (registry code 8141842)
- Engine: [Pratt & Whitney Canada PT6T-6](https://openairdocs.org/engine/pratt-whitney-canada-pt6t-6) (registry code 52106)
- Data sheets: [TCDS 1H11](https://openairdocs.org/tcds/1H11), [TCDS E22EA](https://openairdocs.org/tcds/E22EA) (OpenAirDocs)
- Serial number: 581147
- Year built: 1959
- Type of aircraft: Rotorcraft
- Engine type: Turbo-shaft
- Airworthiness: Standard, normal
- Airworthiness date: June 15, 1984
- Certificate issued: January 21, 2015
- Last registry action: December 22, 2017
- Mode S code: AC937A
- Owner when cancelled: [California Helicopter Airways Inc](https://openairdocs.org/faa-owner/CALIFORNIA%20HELICOPTER%20AIRWAYS%20INC)
- Location: [Royse City, TX](https://openairdocs.org/faa-place/TX/Royse%20City)
- Owner type: Corporation
- Owner's area on the map: 32.9455° N, 96.3111° W: Placed by OpenAirDocs at the center of ZIP code 75189, within about 6 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N90935
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=90935
- Page: https://openairdocs.org/deregistered/N90935-2021-05-08

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-58DT: https://openairdocs.org/model/sikorsky-s-58dt.md

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