# NTSB ATL86FEK03: Hiller UH-12E, N136HA, Pataskala, OH, July 15, 1986

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Final report
- Date: July 15, 1986, 08:30 local (12:30 UTC)
- Place: Pataskala, OH
- Coordinates: 40.000339, -82.6707 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=40.0003&lon=-82.6707&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 6982
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ATL86FEK03
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/6982/pdf
- Page: https://openairdocs.org/ntsb/ATL86FEK03

## Sequence of events

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

- Loss of engine power(total) - nonmechanical, cruise - normal
  - fluid,fuel - exhaustion (cause)
  - operation with known deficiencies in equipment - intentional, pilot in command (cause)
  - fuel consumption calculations - inaccurate, pilot in command (cause)
  - in-flight planning/decision - inadequate, pilot in command (cause)
  - spray/dusting equipment - extraneous (contributing factor)
  - fuel supply - inadequate, pilot in command (cause)
- Forced landing, descent - emergency
  - autorotation - performed, pilot in command (cause)
- Hard landing, landing - flare/touchdown
  - terrain condition - crop

## Analysis

THE ACFT AUTOROTATED TO A FORCED LANDING AFTER THE ENG QUIT AT 600 FT AGL. THE LANDING WAS MADE IN A CORN FIELD. THE PLT TOLD A FAA INSPECTOR AT THE SCENE THAT HE HAD 8 GALS OF FUEL REMAINING. WHEN THE FUEL TANK WAS DRAINED IT CONTAINED APRX 6 OZ TOTAL. THE PLT HAD MADE THIS TRIP BEFORE BUT NEVER WITH A LARGE SPARE TANK ATTACHED UNDER THE FUSELAGE WHICH CREATED CONSIDERABLE DRAG. NORMAL FUEL BURN-OUT ACCORDING TO THE PLT WAS 2:45-3:00 HRS. THIS FLT LASTED TWO HRS. NO EVIDENCE WAS FOUND TO INDICATE ANY DISCREPANCIES IN THE ACFT POWERPLANT DURING THE INVESTIGATION. THE ACFT WAS BEING FERRIED FOR ELEC MAINTENANCE. POST CRASH INVEST REVEALED BATTERY RELAY INOPERATIVE. NO SPECIAL PERMIT WAS OBTAINED FOR THE MAINTENANCE FLT.

## Aircraft

- Registration: [N136HA](https://openairdocs.org/deregistered/N136HA-2018-01-10), registration cancelled 2018-01-10, S/N HA3036, built 1976 (OpenAirDocs)
- Reported make and model: HILLER UH-12E
- Registry model: [Hiller UH-12E](https://openairdocs.org/model/hiller-uh-12e) (registry code 4360122) (OpenAirDocs)
- Registry engine: [Lycoming 0-540 series](https://openairdocs.org/engine/lycoming-0-540-series) (registry code 41532, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Serial number: HA3036
- Airframe hours: 2252
- Engines: LYCOMING VO-540-C2A 305 horsepower reciprocating
- Damage: Substantial damage
- Flight: Ferry, Part 91
- Operator: Agri-Copter,Inc.
- Airworthiness certificate: Special, Restricted (Special); Standard, Normal
- Last inspection: Annual, March 1, 1986, 225 hours before
- Departed: USE, WAUSEON, OH
- Destination: OH36, BALTIMORE, OH

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 42; commercial; airplane ratings: multi-engine land, single-engine land; instrument ratings: airplane; medical: class 2, valid medical--no waivers/lim.; seat: center; flight hours: 6,647 total, 1,826 in this make and model, 2,547 as pilot in command

## Weather

- Conditions: Visual (VMC), Day
- Wind: 100° at 4 knots
- Visibility: 12 statute miles
- Temperature: 70 °F, dew point 63 °F
- Altimeter: 30.00 inHg
- Observed at: CMH, 10 nm away

## 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 19860715032639A](https://openairdocs.org/incident/19860715032639A), Jul 15, 1986: Hiller UH12E, Pataskala, OH, Substantial damage. Crash occurred during auto rotation emergency landing after engine quit for unknown reasons.

## Other investigations on N136HA (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 FTW97LA131](https://openairdocs.org/ntsb/FTW97LA131), Mar 19, 1997: Hiller UH-12E (N136HA), Donna, TX, substantial damage. Probable cause: The pilot's failure to maintain clearance with the power lines during an aerial application flight. A factor was the power lines.

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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