# N90644: Hiller OH-23D, registration cancelled

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: date not recorded
- Status when cancelled: Valid registration
- Airframe: [Hiller OH-23D](https://openairdocs.org/model/hiller-oh-23d) (registry code 4360123)
- Data sheets: [TCDS 4H10](https://openairdocs.org/tcds/4H10) (OpenAirDocs)
- Serial number: 59-2698
- Type of aircraft: Rotorcraft
- Mode S code: AC8877
- Owner when cancelled: [Texas State Technical Institute](https://openairdocs.org/faa-owner/TEXAS%20STATE%20TECHNICAL%20INSTITUTE)
- Location: [Amarillo, TX](https://openairdocs.org/faa-place/TX/Amarillo)
- Owner type: Corporation
- The mark today: https://openairdocs.org/aircraft/N90644
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=90644
- Page: https://openairdocs.org/deregistered/N90644-undated

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 Hiller OH-23D: https://openairdocs.org/model/hiller-oh-23d.md

## Other aircraft with N90644

- [Cancelled 2013-05-17](https://openairdocs.org/deregistered/N90644-2013-05-17): Hughes TH-55A, S/N 64-18092. Registration expired, pending cancellation. Owner: [Oklahoma State Department Of Vocational Technical](https://openairdocs.org/faa-owner/OKLAHOMA%20STATE%20DEPARTMENT%20OF%20VOCATIONAL%20TECHNICAL), [Stillwater, OK](https://openairdocs.org/faa-place/OK/Stillwater)
- [Cancelled 1951-04-25](https://openairdocs.org/deregistered/N90644-1951-04-25): North American AT-6B, S/N 84-7738. Exported to Sweden. Owner: [Drendel Edward P M.D.](https://openairdocs.org/faa-owner/DRENDEL%20EDWARD%20P%20M.D.)

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