# Accident 19830107000309A: Hiller UH12E, Vacaville, CA, January 7, 1983

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: January 7, 1983, 16:30 local time
- Place: Vacaville, CA
- Damage: Substantial damage
- Phase of flight: To Vertical (Helicopter Only)
- Operating rules: Agricultural (Part 137)
- Location: 38.4110° N, 122.0099° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=38.4110&lon=-122.0099&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
- Reported engine: LYC VO540C2A
- Fatal injuries: 0
- Pilot flight hours: 6,080 total, 300 in this make and model, 60 in the last 90 days
- NTSB investigation: [NTSB LAX83LA069](https://openairdocs.org/ntsb/LAX83LA069) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19830107000309A

## Narrative

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

ROTOR BLADES STRUCK A POWERLINE WHEN HELICOPTER LIFTED FROM A LEVEE.  PILOT LANDED OK BUT SLID OFF INTO A DITCH.

## 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 LAX83LA069](https://openairdocs.org/ntsb/LAX83LA069), Jan 8, 1983: Hiller UH-12E (N4027D), Near Vacaville, 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.
- [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.
- [Accident 19790427007179A](https://openairdocs.org/incident/19790427007179A), Apr 27, 1979: Hiller UH12E (N4027D), Gustine, CA, Substantial damage. Pilot hit a wire while spraying agricultural chemicals.

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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