# N23KS: Sikorsky S-55A, registration cancelled 1979-07-17

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: July 17, 1979
- Exported to: Canada
- Status when cancelled: Valid registration
- Airframe: [Sikorsky S-55A](https://openairdocs.org/model/sikorsky-s-55a) (registry code 8141613)
- Serial number: S55A-214
- Type of aircraft: Rotorcraft
- Certificate issued: April 19, 1975
- Mode S code: A20719
- Owner type: Corporation
- The mark today: https://openairdocs.org/aircraft/N23KS
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=23KS
- Page: https://openairdocs.org/deregistered/N23KS-1979-07-17

From the FAA registry file of October 31, 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-55A: https://openairdocs.org/model/sikorsky-s-55a.md

## Other aircraft with N23KS

- [Cancelled 2014-12-22](https://openairdocs.org/deregistered/N23KS-2014-12-22): Grubert David W KIS TRI-R TR1, S/N 023, built 1993. Registration expired, pending cancellation. Owner: [Grubert David W](https://openairdocs.org/faa-owner/GRUBERT%20DAVID%20W), [Tacoma, WA](https://openairdocs.org/faa-place/WA/Tacoma)

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