# N4029Y: 1980 Hiller UH-12E, registration cancelled 2018-02-13

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: February 13, 2018
- 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: 5135
- Year built: 1980
- Type of aircraft: Rotorcraft
- Engine type: Reciprocating
- Airworthiness: Restricted, agriculture and pest control
- Airworthiness date: June 19, 1980
- Certificate issued: September 8, 2004
- Last registry action: May 20, 2012
- Mode S code: A4B7B9
- Owner when cancelled: [Mcbain Clay H](https://openairdocs.org/faa-owner/MCBAIN%20CLAY%20H)
- Location: [Lemoore, CA](https://openairdocs.org/faa-place/CA/Lemoore)
- Owner type: Individual
- Owner's area on the map: 36.2861° N, 119.8341° W: Placed by OpenAirDocs at the center of ZIP code 93245, within about 6 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N4029Y
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4029Y
- Page: https://openairdocs.org/deregistered/N4029Y-2018-02-13

From the FAA registry file of November 3, 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 (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 LAX88DVA16](https://openairdocs.org/ntsb/LAX88DVA16), Sep 10, 1988: Hiller UH-12E (N4029Y), Helm, CA, substantial damage

## FAA accident and incident reports (1)

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 19880910038059A](https://openairdocs.org/incident/19880910038059A), Sep 10, 1988: Hiller UH12E (N4029Y), Helm, CA, Substantial damage. Failed to disconnect the chemical filler hose prior to liftoff from truck platform. Helicopter rolled over.

## Other aircraft with N4029Y

- [Cancelled 1975-04-04](https://openairdocs.org/deregistered/N4029Y-1975-04-04): Cessna 185D, S/N 1850940. Exported to Canada. Owner: [Baber Gerald L](https://openairdocs.org/faa-owner/BABER%20GERALD%20L), [Forest Lake, MN](https://openairdocs.org/faa-place/MN/Forest%20Lake)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.