# N9786C: 1963 Hiller UH-12E, registration cancelled 2015-04-30

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: April 30, 2015
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Hiller UH-12E](https://openairdocs.org/model/hiller-uh-12e) (registry code 4360122)
- Engine: [Lycoming VO-540 series](https://openairdocs.org/engine/lycoming-vo-540-series) (registry code 41534)
- Data sheets: [TCDS 4H11](https://openairdocs.org/tcds/4H11), [TCDS E-304](https://openairdocs.org/tcds/E-304) (OpenAirDocs)
- Serial number: 2267
- Year built: 1963
- Type of aircraft: Rotorcraft
- Engine type: Reciprocating
- Airworthiness: Multiple
- Airworthiness date: April 3, 1974
- Certificate issued: January 14, 1992
- Last registry action: May 2, 2001
- Mode S code: ADA48A
- Owner when cancelled: [Helicopter Parts Svc Inc](https://openairdocs.org/faa-owner/HELICOPTER%20PARTS%20SVC%20INC)
- Location: [Porterville, CA](https://openairdocs.org/faa-place/CA/Porterville)
- Owner type: Corporation
- Owner's area on the map: 35.9809° N, 118.8894° W: Placed by OpenAirDocs at the center of ZIP code 93257, within about 11 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N9786C
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=9786C
- Page: https://openairdocs.org/deregistered/N9786C-2015-04-30

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-12E: https://openairdocs.org/model/hiller-uh-12e.md

## NTSB investigations (2)

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 SEA78FYM06](https://openairdocs.org/ntsb/SEA78FYM06), Nov 3, 1977: Hiller Acft UH-12E (N9786C), Depoe Bay, OR, substantial damage
- [NTSB ANC66A0049](https://openairdocs.org/ntsb/ANC66A0049), Jun 21, 1966: Hiller UH12EL (N9786C), Dillingham, AK, substantial damage

## FAA accident and incident reports (2)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Incident 19891105058969I](https://openairdocs.org/incident/19891105058969I), Nov 5, 1989: Hiller UH12E (N9786C), Dallas, OR, Minor damage. While loading trees the truck lost its brakes and hit the helicopter rotor from behind.
- [Accident 19771102037409A](https://openairdocs.org/incident/19771102037409A), Nov 2, 1977: Hiller UH12E (N9786C), Depoe Bay, OR, Substantial damage. T/r gear box thrust brgs misaligned,improperly installed. Input cplng disengaged fm t/r drivetrain.

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