# N4026G: 1978 Hiller UH-12E, registration cancelled 2017-07-12

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: July 12, 2017
- 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: 5049
- Year built: 1978
- Type of aircraft: Rotorcraft
- Engine type: Reciprocating
- Airworthiness: Multiple
- Airworthiness date: August 2, 1978
- Certificate issued: September 30, 1988
- Last registry action: December 31, 2002
- Mode S code: A4B740
- Owner when cancelled: [Spencer Russell W](https://openairdocs.org/faa-owner/SPENCER%20RUSSELL%20W)
- Location: [Coalinga, CA](https://openairdocs.org/faa-place/CA/Coalinga)
- Owner type: Individual
- Owner's area on the map: 36.1820° N, 120.4611° W: Placed by OpenAirDocs at the center of ZIP code 93210, within about 16 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N4026G
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4026G
- Page: https://openairdocs.org/deregistered/N4026G-2017-07-12

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 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 LAX90DVA01](https://openairdocs.org/ntsb/LAX90DVA01), Oct 16, 1989: Hiller 12E (N4026G), Huron, CA, substantial damage. Probable cause: THE PILOT FAILED TO PROPERLY PREFLIGHT THE AIRPLANE BEFORE DEPARTING ON THE ACCIDENT FLIGHT AND MISJUDGED THE FLARE DURING THE ENSUING AUTOROTATION. FACTORS RELATING TO THIS ACCIDENT WERE OIL…
- [NTSB LAX84LA010](https://openairdocs.org/ntsb/LAX84LA010), Oct 10, 1983: Hiller UH12E (N4026G), Los Banos, CA, 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.

- [Accident 19891016040739A](https://openairdocs.org/incident/19891016040739A), Oct 16, 1989: Hiller UH12E (N4026G), Huron, CA, Substantial damage. Engine lost power after loud bang while ferrying copter and flagman to another spray field. Hard ground impact.
- [Accident 19831010054109A](https://openairdocs.org/incident/19831010054109A), Oct 10, 1983: Hiller UH12E (N4026G), Los Banos, CA, Substantial damage. During procedure turn helicopter started shaking and pilot lost control causing crash.

## Other aircraft with N4026G

- [Cancelled 1970-08-27](https://openairdocs.org/deregistered/N4026G-1970-08-27): Bell 206A, S/N 188. Exported to Canada. Owner: [Flight Safety Inc](https://openairdocs.org/faa-owner/FLIGHT%20SAFETY%20INC), [East Farmingdale, NY](https://openairdocs.org/faa-place/NY/East%20Farmingdale)

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