# Accident 19860617081429A: Hiller UH12E, Delano, CA, June 17, 1986

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: June 17, 1986, 10:30 local time
- Place: Delano, CA
- Airport: Delano
- Damage: Substantial damage
- Phase of flight: Pwr Off Run Land (Autorotation
- Operating rules: General operating rules (Part 91)
- Operator: CUFG
- Location: 35.7732° N, 119.2261° W: Placed by OpenAirDocs from the FAA’s distance and direction from , within about a mile (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=35.7732&lon=-119.2261&mi=10
- Aircraft: N172ET, a cancelled registration (https://openairdocs.org/deregistered/N172ET-2004-08-18) (OpenAirDocs)
- Registry model: Hiller UH-12E (registry code 4360122, https://openairdocs.org/model/hiller-uh-12e) (OpenAirDocs)
- Registry engine: Lycoming VO-540 series (registry code 41534, https://openairdocs.org/engine/lycoming-vo-540-series) (OpenAirDocs)
- Reported make and model: HILLER UH12E
- Reported engine: ALLSN 250C20
- Fatal injuries: 0
- Pilot flight hours: 10,000 total, 300 in this make and model, 50 in the last 90 days
- NTSB investigation: [NTSB LAX86DVA09](https://openairdocs.org/ntsb/LAX86DVA09) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19860617081429A

## Narrative

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

PARTS OF THE MAIN ROTOR BLADE SEPARATED IN FLIGHT. INVESTIGATION FOUND THE BLADES WERE NOT AIRWORTHY. BOGUS PART.

## 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 LAX86DVA09](https://openairdocs.org/ntsb/LAX86DVA09), Jun 17, 1986: Hiller UH-12E (N172ET), Delano, CA, substantial damage

## Other reports on N172ET (3)

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

- [Accident 19950312003659A](https://openairdocs.org/incident/19950312003659A), Mar 12, 1995: Hiller UH12E (N172ET), Five Points, CA, Substantial damage. Lost power on spray run. Too low for autorotation. Landed hard. Rolled over. Pilot stated he ran out of fuel.
- [Incident 19940627025309I](https://openairdocs.org/incident/19940627025309I), Jun 27, 1994: Hiller UH12E (N172ET), Pond, CA, Minor damage. Helicopter hit power line during application. Cracked spray boom. Flew back to base.
- [Accident 19781222041829A](https://openairdocs.org/incident/19781222041829A), Dec 22, 1978: Hiller UH12C (N172ET), Lacomb, OR, Substantial damage. Tach generator failed. Plt recd erroneous eng out warnings. Serviclletin soloy 03-560 ncw.

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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