# Accident 19930822030059A: Hiller UH12E, Auburn, WA, August 22, 1993

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: August 22, 1993, 17:00 local time
- Place: Auburn, WA
- Airport: Auburn Municipal Airport
- Damage: Substantial damage
- Phase of flight: Pwr Off Vert Land/Autorotate
- Operating rules: General operating rules (Part 91)
- Location: 47.2995° N, 122.3109° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=47.2995&lon=-122.3109&mi=10
- Aircraft: N9785C, registered now (https://openairdocs.org/aircraft/N9785C) (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: LYC VO540C2A
- People aboard: 3
- Fatal injuries: 0
- Pilot flight hours: 1,892 total, 31 in this make and model, 31 in the last 90 days
- NTSB investigation: [NTSB SEA93LA181](https://openairdocs.org/ntsb/SEA93LA181) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19930822030059A

## Narrative

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

THROUGH A CONNECTING ROD ON TAKEOFF. AUTOROTATED INTO HEAVY BRUSH. SEVERED TAIL ROTOR.

## 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 SEA93LA181](https://openairdocs.org/ntsb/SEA93LA181), Aug 23, 1993: Hiller UH-12E (N9785C), Auburn, WA, substantial damage. Probable cause: FAILURE OF THE CONNECTING ROD BOLT. THE HIGH VEGETATION WAS A FACTOR.

## Other reports on N9785C (2)

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

- [Accident 20040426009029A](https://openairdocs.org/incident/20040426009029A), Apr 26, 2004: Hiller UH12E (N9785C), Haines, OR, Substantial damage. (-23) While returning to his main base following an aerial application job, at approximately 100 feet or less AGL the pilot heard a loud bang in the helicopter…
- [Accident 19760514015839A](https://openairdocs.org/incident/19760514015839A), May 14, 1976: Hiller UH12E (N9785C), Tillamook, OR, Substantial damage. Spraying,lost RPM while maneuvering arnd tall tree,settled,struck t/r,entered spin,rolled dn hill.

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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