# N3123U: 1984 Sikorsky S-76B, registration cancelled 1994-10-25

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: October 25, 1994
- Exported to: France
- Status when cancelled: Triennial form not returned
- Airframe: [Sikorsky S-76B](https://openairdocs.org/model/sikorsky-s-76b) (registry code 8143007)
- 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: 760269
- Year built: 1984
- Type of aircraft: Rotorcraft
- Engine type: Turbo-shaft
- Airworthiness: Experimental, research and development
- Airworthiness date: November 15, 2006
- Certificate issued: May 15, 1990
- Last registry action: October 21, 1993
- Mode S code: A35113
- Owners when cancelled: [United Technologies Corporation](https://openairdocs.org/faa-owner/UNITED%20TECHNOLOGIES%20CORPORATION), [Sikorsky Aircraft Division](https://openairdocs.org/faa-owner/SIKORSKY%20AIRCRAFT%20DIVISION)
- Location: [Stratford, CT](https://openairdocs.org/faa-place/CT/Stratford)
- Owner type: Corporation
- Owner's area on the map: 41.1845° N, 73.1332° W: Placed by OpenAirDocs: center of Stratford, CT, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N3123U
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=3123U
- Page: https://openairdocs.org/deregistered/N3123U-1994-10-25

From the FAA registry file of November 5, 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-76B: https://openairdocs.org/model/sikorsky-s-76b.md

## Other aircraft with N3123U

- [Cancelled 2022-07-30](https://openairdocs.org/deregistered/N3123U-2022-07-30): Head Balloons AX8-88, S/N 327, built 2003. Registration expired, pending cancellation. Owner: [Steinbock Thomas C](https://openairdocs.org/faa-owner/STEINBOCK%20THOMAS%20C), [Crestwood, KY](https://openairdocs.org/faa-place/KY/Crestwood)

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