# N52H: 1954 Sikorsky S-55, registration cancelled 2012-08-14

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: August 14, 2012
- Status when cancelled: Revoked, canceled
- Airframe: [Sikorsky S-55](https://openairdocs.org/model/sikorsky-s-55) (registry code 8141602)
- Engine: [Pratt & Whitney R1340 series](https://openairdocs.org/engine/pratt-whitney-r1340-series) (registry code 52016)
- Data sheets: [TCDS 1H4](https://openairdocs.org/tcds/1H4) (OpenAirDocs)
- Serial number: S-55835
- Year built: 1954
- Type of aircraft: Rotorcraft
- Engine type: Reciprocating
- Airworthiness: Standard
- Certificate issued: September 24, 1970
- Last registry action: January 14, 1977
- Mode S code: A68744
- Owner when cancelled: [Helicopters Ltd](https://openairdocs.org/faa-owner/HELICOPTERS%20LTD)
- Location: [New York, NY](https://openairdocs.org/faa-place/NY/New%20York)
- Owner type: Corporation
- Owner's area on the map: 40.7586° N, 73.9679° W: Placed by OpenAirDocs at the center of ZIP code 10022, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N52H
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=52H
- Page: https://openairdocs.org/deregistered/N52H-2012-08-14

From the FAA registry file of October 29, 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-55: https://openairdocs.org/model/sikorsky-s-55.md

## Other aircraft with N52H

- [Cancelled 1941-08-15](https://openairdocs.org/deregistered/N52H-1941-08-15): Curtiss Wright ROBIN C-1, S/N 414. Owner: [Roberts Gilbert](https://openairdocs.org/faa-owner/ROBERTS%20GILBERT), [New London, NH](https://openairdocs.org/faa-place/NH/New%20London)

---
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.