# NTSB LAX80FVA56: Hiller Acft UH-12E, N67116, Farmersville, CA, July 26, 1980

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 26, 1980
- Place: Farmersville, CA · FARMERSVILLE, CA
- Location: 36.3047° N, 119.2086° W: Placed by OpenAirDocs: center of Farmersville, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=36.3047&lon=-119.2086&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report October 6, 1980
- Report: Brief approved by the director
- NTSB case key (mKey): 129625
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX80FVA56
- Page: https://openairdocs.org/ntsb/LAX80FVA56

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2147  80/7/26  NR.FARMERSVILLE,CA    HILLER ACFT UH-12E  CR-  0  0  1  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 0745                    N67116              PX-  0  0  0  AERIAL APPLICATION        AGE 57, 10768 TOTAL
                                       DAMAGE-DESTROYED    OT-  0  0  0                            HOURS, 200 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
         FARMERSVILLE,CA              LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: TAIL ROTOR                      IN FLIGHT: SWATH RUN
           COLLISION WITH GROUND/WATER: UNCONTROLLED                LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           ROTORCRAFT - TRANSMISSION ROTOR DRIVE SYSTEM: TAIL ROTOR GEAR BOX
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - SEPARATION IN FLIGHT
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 7500                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - COTTON                                    TYPE OF CHEMICAL USED - LIQUID CHEMICAL-TOXIC
          PILOT' S SEAT BELT -UNKNOWN/NOT REPORTED                 GLOVES - 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 -  300                 SWATH RUN-HOW FLOWN - WIND CALM
         FIRE AFTER IMPACT
        REMARKS- TAIL ROTOR GEAR BOX OUTPUT SHAFT,PN 25202-5,& HUB RETAINING STOP NUT,PN 25112,NOT FND.TAIL RTR SEP
```

## Aircraft

- Registration: [N67116](https://openairdocs.org/deregistered/N67116-2014-11-14), registration cancelled 2014-11-14, S/N 1711, built 1964 (OpenAirDocs)
- Reported make and model: HILLER ACFT 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: Destroyed

## 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 19800726064159A](https://openairdocs.org/incident/19800726064159A), Jul 26, 1980: Hiller UH12E, Farmersville, CA, Substantial damage. Ag pilot attempted auto rotation after tail rotor failure during spraying operation.

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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