# NTSB CHI79FEK13: Hiller UH-12E, N67156, Lexington, OH, May 19, 1979

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: May 19, 1979
- Place: Lexington, OH · LEXINGTON, OH
- Location: 40.6806° N, 82.5788° W: Placed by OpenAirDocs: center of Lexington, OH, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=40.6806&lon=-82.5788&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report August 8, 1979
- Report: Brief approved by the director
- NTSB case key (mKey): 136299
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI79FEK13
- Page: https://openairdocs.org/ntsb/CHI79FEK13

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1225  79/5/19    LEXINGTON,OH        HILLER UH-12E       CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 28, 2320
        TIME - 1930                    N67156              PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 750 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          LEXINGTON,OH                LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: MAIN ROTOR                      IN FLIGHT: PULLUP FROM SWATH RUN
           ROLL OVER                                                LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
           ROTORCRAFT - ROTOR ASSEMBLIES: UNIVERSAL JOINTS,COUPLINGS
           MISCELLANEOUS ACTS,CONDITIONS - WRONG PART
           MISCELLANEOUS - EVASIVE MANEUVER TO AVOID COLLISION
        FACTOR(S)
           TERRAIN - HIGH OBSTRUCTIONS
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 1450                       KIND OF OPERATION - FERTILIZING (LIQUID)
          KIND OF CROP - CORN                                      TYPE OF CHEMICAL USED - LIQUID CHEMICAL-NONTOXIC
          PILOT' S SEAT BELT -FASTENED-PROPERLY                    GLOVES - NOT USED
          GOGGLES - NOT USED                                       CRASH HELMET - AVAILABLE USED
          COCKPIT CRASHPAD - NOT INSTALLED                         CRASH BAR - NOT INSTALLED
          TANK/HOPPER-LOCATION - SIDES                             TERRAIN-TYPE -LEVEL,FLAT
          ELEVATION-AREA BEING TREATED-FEET -  1300                SWATH RUN-HOW FLOWN - WIND CALM
        REMARKS- PRTS LIST HAS 3 TORSION CPLNGS FOR UH12E.SAME SIZE BUT NOT FUNCIONLY CHNGBL.MAINT MAN-NO SPECS.
```

## Aircraft

- Registration: [N67156](https://openairdocs.org/deregistered/N67156-2021-01-30), registration cancelled 2021-01-30, S/N 1306, built 1962 (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 VO-540 series](https://openairdocs.org/engine/lycoming-vo-540-series) (registry code 41534, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Carpenter Farm

## 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 19790519014529A](https://openairdocs.org/incident/19790519014529A), May 19, 1979: Hiller UH12E, Lexington, OH, Substantial damage. Engine oversped on climb from spray run,autorotated,hit ground,rolled over. Found failed clutch torsional coupling

## Other investigations on N67156 (2)

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 LAX82DVA14](https://openairdocs.org/ntsb/LAX82DVA14), Apr 15, 1982: Hiller UH-12E (N67156), Chowchilla, CA, destroyed
- [NTSB CHI76FEK24](https://openairdocs.org/ntsb/CHI76FEK24), Jul 3, 1976: Hiller UH-12E (N67156), Lore City, OH, substantial damage

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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.