MKC67A0078

NTSB accident investigation · Bell 47G-2 · West Plains, MO · June 10, 1967

Accident · Serious injuriesClosed
Date
June 10, 1967
Place
West Plains, MO · WEST PLAINS, MO
Injuries
1 serious
Damage
Destroyed
Phase of flight
Maneuvering
Aircraft
N2813BBell 47G-2
Status
Completed · report February 12, 1968
Report
Brief approved by the director
Case key
116953

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.

On this page

NTSB brief

NTSB’s brief of the accident, as it was printed: the coded facts, with the probable cause and factors.

----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-0952  67/6/10  NR.WEST PLAINS,MO     BELL 47G-2          CR-  0  1  0  COMMERCIAL                COMMERCIAL, AGE 29, 1675
        TIME - 0545                    N2813B              PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 1100 IN
                                       DAMAGE-DESTROYED    OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: MAIN ROTOR                      IN FLIGHT: STARTING SWATH RUN
           COLLIDED WITH: TREES                                     IN FLIGHT: STARTING SWATH RUN
        PROBABLE CAUSE(S)
           ROTORCRAFT - TRANSMISSION ROTOR DRIVE SYSTEM: CLUTCH ASSEMBLY
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: IMPROPER MAINTENANCE (MAINTENANCE PERSONNEL)
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 1675                       KIND OF OPERATION - DEFOLIATION (DUST)
          KIND OF CROP - FOREST-TREES                              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                         TANK/HOPPER-LOCATION - SIDES
          TERRAIN-TYPE -ROLLING                                    ELEVATION-AREA BEING TREATED-FEET -  1060
          SWATH RUN-HOW FLOWN - WIND CALM
        REMARKS- FAILURE OF ROTOR BLADE ROTATION,RPM,DUE TO EXTREME SLIPPAGE-CLUTCH SHOES/DRUM.103HRS SINCE ANNUAL.

Aircraft

Registration
N2813B
Reported as
Bell 47G-2
Category
Helicopter
Engine
reciprocating
Damage
Destroyed

Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.

Other investigations on N2813B · 2

Matched to the same aircraft by N-number and date.