SEA76DYE41

NTSB accident investigation · Bell 47G-3B · Forks, WA · May 12, 1976

Accident · Minor injuriesClosed
Date
May 12, 1976
Place
Forks, WA · FORKS, WA
Injuries
1 minor
Damage
Substantial damage
Phase of flight
Maneuvering
Aircraft
N3794GBell 47G-3B
Status
Completed · report June 15, 1976
Report
Brief approved by the director
FAA report
19760512010839A
Case key
153815

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
----------------------------------------------------------------------------------------------------------------------------
3-1227  76/5/12    FORKS,WA            BELL 47G-3B         CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 33, 2400
        TIME - 1930                    N3794G              PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, ALL IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          FORKS,WA                    LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: TAIL ROTOR                      IN FLIGHT: SWATH RUN
           COLLISION WITH GROUND/WATER: CONTROLLED                  LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           ROTORCRAFT - TRANSMISSION ROTOR DRIVE SYSTEM: TAIL ROTOR GEAR BOX
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
        FACTOR(S)
           TERRAIN - ROUGH/UNEVEN
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - UNKNOWN/NOT REPORTED       KIND OF OPERATION - SPRAYING FORESTS
          KIND OF CROP - OTHER                                     TYPE OF CHEMICAL USED - LIQUID CHEMICAL-NONTOXIC
          PILOT' S SEAT BELT -UNKNOWN/NOT REPORTED                 GLOVES - NOT USED
          GOGGLES - NOT USED                                       CRASH HELMET - AVAILABLE USED
          COCKPIT CRASHPAD - NOT INSTALLED                         CRASH BAR - NOT INSTALLED
          TANK/HOPPER-LOCATION - SIDES                             TERRAIN-TYPE -HILLY
          ELEVATION-AREA BEING TREATED-FEET -  1000                SWATH RUN-HOW FLOWN - CROSSWIND
        REMARKS- T/R GR BOX PINION SHAFT FAILED. CRASHED INTO HILLSIDE. SPRAYING BRUSH.

Aircraft

Registration
N3794G
Reported as
Bell 47G-3B
Category
Helicopter
Engine
reciprocating
Damage
Substantial damage

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.

FAA reports on this event · 1

The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.

Other investigations on N3794G · 3

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