# Accident 19810627036679A: Hiller UH12E, Delano, CA, June 27, 1981

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: June 27, 1981, 10:30 local time
- Place: Delano, CA
- Damage: Substantial damage
- Phase of flight: Fcd/Prec Ldg From Cruise
- Operating rules: Agricultural (Part 137)
- Location: 35.7664° N, 119.2642° W: Placed by OpenAirDocs: center of Delano, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=35.7664&lon=-119.2642&mi=10
- Aircraft: N174HA, a cancelled registration (https://openairdocs.org/deregistered/N174HA-2013-02-11) (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
- Fatal injuries: 0
- Pilot flight hours: 1,646 total, 195 in this make and model, 110 in the last 90 days
- NTSB investigation: [NTSB LAX81DVA51](https://openairdocs.org/ntsb/LAX81DVA51) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19810627036679A

## Narrative

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

TORSION COUPLING FAILED BETWEEN ENGINE AND TRANSMISSION DURING AG OPERATION. HELICOPTER ROLLED OVER ON LANDING.

## 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 LAX81DVA51](https://openairdocs.org/ntsb/LAX81DVA51), Jun 27, 1981: Hiller Acft UH-12E (N174HA), Delano, CA, substantial damage

## Other reports on N174HA (1)

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

- [Accident 19960526011549A](https://openairdocs.org/incident/19960526011549A), May 26, 1996: Hiller UH12E (N174HA), Walla Walla, WA, Substantial damage. Unable refuel at business sight. Low on fuel. Tried for airport but ran out fuel 2MI short. Landing rolled over.

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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