# NTSB FTW81FA120: Soloy 47G-2A, N166, Vivian, LA, July 10, 1981

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: July 10, 1981
- Place: Vivian, LA · VIVIAN, LA
- Location: 32.8711° N, 93.9862° W: Placed by OpenAirDocs: center of Vivian, LA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=32.8711&lon=-93.9862&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 1 fatal
- Status: Completed, report September 30, 1981
- Report: Brief approved by the director
- NTSB case key (mKey): 124623
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW81FA120
- Page: https://openairdocs.org/ntsb/FTW81FA120

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1999  81/7/10  NR.VIVIAN,LA          SOLOY 47G-2A        CR-  1  0  0  COMMERCIAL                COMMERCIAL, AGE 39, 4483
        TIME - 1030                    N166                PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 156 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - VIVIAN MUNI
        DEPARTURE POINT             INTENDED DESTINATION
          GREY,TX                     LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: TAIL ROTOR                      IN FLIGHT: SWATH RUN
           COLLISION WITH GROUND/WATER: UNCONTROLLED                IN FLIGHT: UNCONTROLLED DESCENT
        PROBABLE CAUSE(S)
           PERSONNEL - PRODUCTION-DESIGN-PERSONNEL: SUBSTANDARD QUALITY CONTROL
           ROTORCRAFT - TRANSMISSION ROTOR DRIVE SYSTEM: TAIL ROTOR DRIVE SHAFT ASSEMBLY
           MISCELLANEOUS ACTS,CONDITIONS - CORRODED/CORROSION
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
        FACTOR(S)
           TERRAIN - HIGH OBSTRUCTIONS
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 2754                       KIND OF OPERATION - DEFOLIATION (LIQUID)
          KIND OF CROP - OTHER                                     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 - BELLY                             TERRAIN-TYPE -LEVEL,FLAT
          ELEVATION-AREA BEING TREATED-FEET -  50                                DENSE WITH TREES
          SWATH RUN-HOW FLOWN - WIND CALM
        REMARKS- TAIL ROTOR DRVSHFT,PN 47-644-234-3,CORROSION/FATIGUE FM END OF CADMIUM PLATED SLEEVE W DEFECT.
```

## Aircraft

- Registration: N166 (not matched to a registry record)
- Reported make and model: SOLOY 47G-2A
- Category: Helicopter
- Engines: turbo shaft
- Damage: Destroyed
- Airport: Vivian Muni

## 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 19810710078509A](https://openairdocs.org/incident/19810710078509A), Jul 10, 1981: Bell 47G2A, Vivian, LA, Substantial damage. Helicopter crashed while spraying a powerline right of way . There were no witnesses to accident.

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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