# Accident 19790427007179A: Hiller UH12E, Gustine, CA, April 27, 1979

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: April 27, 1979, 18:00 local time
- Place: Gustine, CA
- Damage: Substantial damage
- Phase of flight: Low Level Operations
- Operating rules: Agricultural (Part 137)
- Location: 37.2530° N, 120.9952° W: Placed by OpenAirDocs: center of Gustine, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=37.2530&lon=-120.9952&mi=10
- Aircraft: N4027D, registered now (https://openairdocs.org/aircraft/N4027D) (OpenAirDocs)
- Registry model: Hiller UH-12E (registry code 4360122, https://openairdocs.org/model/hiller-uh-12e) (OpenAirDocs)
- Reported make and model: HILLER UH12E
- Fatal injuries: 0
- Pilot flight hours: 5,750 total, 50 in this make and model, 225 in the last 90 days
- NTSB investigation: [NTSB OAK79DVA30](https://openairdocs.org/ntsb/OAK79DVA30) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19790427007179A

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

PILOT HIT A WIRE WHILE SPRAYING AGRICULTURAL CHEMICALS.

## The NTSB's investigation of this event (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 OAK79DVA30](https://openairdocs.org/ntsb/OAK79DVA30), Apr 27, 1979: Hiller UH-12E (N4027D), Gustine, CA, substantial damage

## Other reports on N4027D (3)

Matched to the same aircraft by N-number and date.

- [Accident 19950901027639A](https://openairdocs.org/incident/19950901027639A), Sep 1, 1995: Hiller UH12E (N4027D), Dos Palos, CA, Substantial damage. During spray run vibration severe yaw and spin. Impacted hard. Had lost a tail rotor blade. Tt bar fatigue failure.
- [Accident 19830107000309A](https://openairdocs.org/incident/19830107000309A), Jan 7, 1983: Hiller UH12E (N4027D), Vacaville, CA, Substantial damage. Rotor blades struck a powerline when helicopter lifted from a levee. Pilot landed ok but slid off into a ditch.
- [Incident 19810403024639I](https://openairdocs.org/incident/19810403024639I), Apr 3, 1981: Hiller UH12E (N4027D), Huron, CA, Minor damage. Main rotor blade skin separated and demolished tail rotor and transmission. Pilot landed ok.

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. For accidents, the NTSB's own investigation is the fuller record.

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