# N799Y: 2010 Keystone Helicopter S-76C, registration cancelled 2018-03-20

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: March 20, 2018
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Keystone Helicopter S-76C](https://openairdocs.org/model/keystone-helicopter-s-76c) (registry code 4900105)
- Engine: [Turbomeca ARRIEL-2S2](https://openairdocs.org/engine/turbomeca-arriel-2s2) (registry code 60036)
- Data sheets: [TCDS H1NE](https://openairdocs.org/tcds/H1NE), [TCDS E00054EN](https://openairdocs.org/tcds/E00054EN) (OpenAirDocs)
- Serial number: 760799
- Year built: 2010
- Type of aircraft: Rotorcraft
- Engine type: Turbo-shaft
- Airworthiness: Standard, transport
- Airworthiness date: May 20, 2010
- Certificate issued: January 11, 2011
- Last registry action: March 7, 2014
- Mode S code: AADB9A
- Owner when cancelled: [Sikorsky International Operations Inc](https://openairdocs.org/faa-owner/SIKORSKY%20INTERNATIONAL%20OPERATIONS%20INC)
- Location: [Stratford, CT](https://openairdocs.org/faa-place/CT/Stratford)
- Owner type: Corporation
- Owner's area on the map: 41.2285° N, 73.1291° W: Placed by OpenAirDocs at the center of ZIP code 06614, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N799Y
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=799Y
- Page: https://openairdocs.org/deregistered/N799Y-2018-03-20

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 Keystone Helicopter S-76C: https://openairdocs.org/model/keystone-helicopter-s-76c.md

## Other aircraft with N799Y

- [Cancelled 1981-01-23](https://openairdocs.org/deregistered/N799Y-1981-01-23): Piper PA-23-160, S/N 23-1965. Owner: [The Akeley Co](https://openairdocs.org/faa-owner/THE%20AKELEY%20CO), [Fargo, ND](https://openairdocs.org/faa-place/ND/Fargo)
- [Cancelled 1933-02-11](https://openairdocs.org/deregistered/N799Y-1933-02-11): Le Roy Tyler TYLER HEATH PARASOL, S/N T-3, built 1930. Owner: [Thompson Gordon](https://openairdocs.org/faa-owner/THOMPSON%20GORDON), [Ridgewood, NJ](https://openairdocs.org/faa-place/NJ/Ridgewood)

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