# N33473: Hiller H-23D, registration cancelled 1976-05-20

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: May 20, 1976
- Status when cancelled: Valid registration
- Airframe: [Hiller H-23D](https://openairdocs.org/model/hiller-h-23d) (registry code 4360120)
- Data sheets: [TCDS 4H10](https://openairdocs.org/tcds/4H10) (OpenAirDocs)
- Serial number: 61-3211
- Type of aircraft: Rotorcraft
- Certificate issued: April 1, 1975
- Mode S code: A3A814
- Owner when cancelled: [Southeastern Oklahoma State University](https://openairdocs.org/faa-owner/SOUTHEASTERN%20OKLAHOMA%20STATE%20UNIVERSITY)
- Location: [Durant, OK](https://openairdocs.org/faa-place/OK/Durant)
- Owner type: Government
- The mark today: https://openairdocs.org/aircraft/N33473
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=33473
- Page: https://openairdocs.org/deregistered/N33473-1976-05-20

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 Hiller H-23D: https://openairdocs.org/model/hiller-h-23d.md

## Other aircraft with N33473

- [Cancelled 1949-11-15](https://openairdocs.org/deregistered/N33473-1949-11-15): Piper J3F-65, S/N 5984. Owner: [C G Frye](https://openairdocs.org/faa-owner/C%20G%20FRYE), [Anadaarko, OK](https://openairdocs.org/faa-place/OK/Anadaarko)

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