# N3659F: Sikorsky R-6A, registration cancelled 1963-12-11

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: December 11, 1963
- Status when cancelled: Valid registration
- Airframe: [Sikorsky R-6A](https://openairdocs.org/model/sikorsky-r-6a) (registry code 8140304)
- Serial number: 43-45456
- Type of aircraft: Rotorcraft
- Certificate issued: June 1, 1960
- Mode S code: A42278
- Owner when cancelled: [Oklahoma State University](https://openairdocs.org/faa-owner/OKLAHOMA%20STATE%20UNIVERSITY)
- Location: [Stillwater, OK](https://openairdocs.org/faa-place/OK/Stillwater)
- Owner type: Corporation
- The mark today: https://openairdocs.org/aircraft/N3659F
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=3659F
- Page: https://openairdocs.org/deregistered/N3659F-1963-12-11

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 R-6A: https://openairdocs.org/model/sikorsky-r-6a.md

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