# N92821: Sikorsky R-4B, registration cancelled 1970-06-17

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: June 17, 1970
- Status when cancelled: Valid registration
- Airframe: [Sikorsky R-4B](https://openairdocs.org/model/sikorsky-r-4b) (registry code 8140102)
- Data sheets: [TCDS LTC-7](https://openairdocs.org/tcds/LTC-7) (OpenAirDocs)
- Serial number: 78
- Type of aircraft: Rotorcraft
- Certificate issued: March 20, 1947
- Mode S code: ACDE9A
- Owner when cancelled: [United Aircraft Corp](https://openairdocs.org/faa-owner/UNITED%20AIRCRAFT%20CORP)
- Location: [Bridgeport, CT](https://openairdocs.org/faa-place/CT/Bridgeport)
- Owner type: Corporation
- The mark today: https://openairdocs.org/aircraft/N92821
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=92821
- Page: https://openairdocs.org/deregistered/N92821-1970-06-17

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 R-4B: https://openairdocs.org/model/sikorsky-r-4b.md

## Other aircraft with N92821

- [Registered now](https://openairdocs.org/aircraft/N92821): Piper PA 46-350P, S/N 4636081, built 1997

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