# Accident 19830831045439A: Hiller UH12E, Corwith, IA, August 31, 1983

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: August 31, 1983, 16:45 local time
- Place: Corwith, IA
- Damage: Destroyed
- Phase of flight: Pwr Off Run Land (Autorotation
- Operating rules: General operating rules (Part 91)
- Location: 42.9801° N, 93.9503° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=42.9801&lon=-93.9503&mi=10
- Aircraft: N173HA, a cancelled registration (https://openairdocs.org/deregistered/N173HA-2018-02-28) (OpenAirDocs)
- Registry model: Hiller UH-12E (registry code 4360122, https://openairdocs.org/model/hiller-uh-12e) (OpenAirDocs)
- Registry engine: Lycoming VO-540-C2A (registry code 42244, https://openairdocs.org/engine/lycoming-vo-540-c2a) (OpenAirDocs)
- Reported make and model: HILLER UH12E
- Reported engine: LYC VO540B1A
- Fatal injuries: 0
- Pilot flight hours: 5,623 total, 1,800 in this make and model, 400 in the last 90 days
- NTSB investigation: [NTSB MKC83LA207](https://openairdocs.org/ntsb/MKC83LA207) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19830831045439A

## Narrative

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

HELICOPTER CRASHED DURING AUTOROTATION LANDING AFTER FAILURE IN MAIN ROTOR CONTROL SYSTEM.

## 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 MKC83LA207](https://openairdocs.org/ntsb/MKC83LA207), Aug 31, 1983: Hiller UH-12E (N173HA), Corwith, IA, destroyed

## Other reports on N173HA (1)

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

- [Accident 19880730028379A](https://openairdocs.org/incident/19880730028379A), Jul 30, 1988: Hiller UH12E (N173HA), Buffalo Lake, MN, Destroyed. Tail rotor control cable broke during vertical takeoff from truck platform. Cables frayed and worn. Acft destroyed.

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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