# Accident 19931022040789A: Hiller UH12E, Sioux Rapids, IA, October 22, 1993

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: October 22, 1993, 15:30 local time
- Place: Sioux Rapids, IA
- Damage: Destroyed
- Phase of flight: Prw On Run Landing (Rotorcraft
- Operating rules: Agricultural (Part 137)
- Location: 42.8891° N, 95.1404° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=42.8891&lon=-95.1404&mi=10
- Aircraft: N4026S, a cancelled registration (https://openairdocs.org/deregistered/N4026S-2002-11-04) (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: 1
- Fatal injuries: 0
- Pilot flight hours: 15,875 total, 2,000 in this make and model, 300 in the last 90 days
- NTSB investigation: [NTSB CHI94LA022](https://openairdocs.org/ntsb/CHI94LA022) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19931022040789A

## Narrative

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

ROUGH ENGINE SPRAYING PASTURE. ON FORCED LANDING LEFT SKID CONTACTED GROUND. ROLLED OVER AND BURNED. ENGINE NORMAL.

## 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 CHI94LA022](https://openairdocs.org/ntsb/CHI94LA022), Oct 22, 1993: Hiller UH12E (N4026S), Sioux Rapids, IA, destroyed. Probable cause: the Pilot in Command failed to maintain clearance with the terrain while proceeding up an upslope.

## Other reports on N4026S (2)

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

- [Accident 19820820041759A](https://openairdocs.org/incident/19820820041759A), Aug 20, 1982: Hiller UH12E (N4026S), Chandler, AZ, Substantial damage. Helicopter flew into its own wake on a spray run when a slight windshift occurred. Impact with ground severed skids
- [Accident 19781019040149A](https://openairdocs.org/incident/19781019040149A), Oct 19, 1978: Hiller UH12C (N4026S), Stratford, TX, Substantial damage. Debris from previous repair job left in induction system,entered nders and damaged spark plugs

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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