# N4778C: Hiller UH-12B, registration cancelled 1964-07-02

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: July 2, 1964
- Status when cancelled: Valid registration
- Airframe: [Hiller UH-12B](https://openairdocs.org/model/hiller-uh-12b) (registry code 4360110)
- Data sheets: [TCDS 6H2](https://openairdocs.org/tcds/6H2) (OpenAirDocs)
- Serial number: 641
- Type of aircraft: Rotorcraft
- Certificate issued: June 19, 1964
- Mode S code: A5DE8E
- Owner when cancelled: [Marion Air Service Inc](https://openairdocs.org/faa-owner/MARION%20AIR%20SERVICE%20INC)
- Location: [Marion, OH](https://openairdocs.org/faa-place/OH/Marion)
- Owner type: Corporation
- The mark today: https://openairdocs.org/aircraft/N4778C
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4778C
- Page: https://openairdocs.org/deregistered/N4778C-1964-07-02

From the FAA registry file of November 7, 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 UH-12B: https://openairdocs.org/model/hiller-uh-12b.md

## NTSB investigations (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB UNK64X2345](https://openairdocs.org/ntsb/UNK64X2345), Jun 17, 1964: Hiller UH12B (N4778C), Copley Tnshp, OH, destroyed

## Other aircraft with N4778C

- [Registered now](https://openairdocs.org/aircraft/N4778C): Beech 95-B55 (T42A), S/N TC-936, built 1965

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