# NTSB CHI82DA162: Hiller 12E, N4030C, Benson, MN, May 12, 1982

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Final report
- Date: May 12, 1982, 15:30 local (20:30 UTC)
- Place: Benson, MN
- Coordinates: 45.310737, -95.599632 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=45.3107&lon=-95.5996&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report May 12, 1983
- Report: Approved by Office Director
- NTSB case key (mKey): 69928
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI82DA162
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/69928/pdf
- Page: https://openairdocs.org/ntsb/CHI82DA162

## Sequence of events

In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf).

- Loss of engine power, cruise - normal
  - reason for occurrence undetermined (cause)
- Forced landing, landing - flare/touchdown
- Other gear collapsed, landing - flare/touchdown
  - weather condition - tailwind (contributing factor)
  - terrain condition - soft (contributing factor)
  - landing gear,skid assembly - overload
  - landing gear,skid assembly - failure,partial

## Analysis

HELICOPTER FLYING AT 250 FEET TO STAY BELOW CLOUDS HAD ENGINE FAILURE. LANDED DOWNWIND IN MUDDY FIELD. RIGHT SKID COLLAPSED.

## Aircraft

- Registration: [N4030C](https://openairdocs.org/deregistered/N4030C-1988-04-13), registration cancelled 1988-04-13, S/N 5150 (OpenAirDocs)
- Reported make and model: HILLER 12E
- Registry model: [Hiller UH-12E](https://openairdocs.org/model/hiller-uh-12e) (registry code 4360122) (OpenAirDocs)
- Category: Helicopter
- Serial number: 515
- Airframe hours: 115
- Engines: LYCOMING VO-540-C2A 305 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Operator: O'Rielly Leasing Co.
- Registered owner: O'Rielly Leasing Co.
- Departed: C, WILLMAR, MN
- Destination: C, BENSON, MN

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 49; flight instructor, commercial; airplane ratings: multi-engine land, single-engine sea, single-engine land; instrument ratings: airplane; medical: class 2, valid medical--w/ waivers/lim; flight hours: 13,190 total, 325 in this make and model, 13 as pilot in command, 40 in the last 90 days, 14 in the last 24 hours

## Weather

- Conditions: Instrument (IMC), Day
- Wind: 70° at 20 knots
- Visibility: 3 statute miles
- Lowest ceiling: 300 ft overcast
- Temperature: 144 °F

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19820512015669A](https://openairdocs.org/incident/19820512015669A), May 12, 1982: Hiller UH12E, Benson, MN, Substantial damage. Helicopter damaged when engine stopped and damage occurred during emergency landing.

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.

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