NTSB Identification: FTW84LA144.
The docket is stored on NTSB microfiche number 24032.
Accident occurred Tuesday, February 21, 1984 in REFUGIO, TX
Aircraft: BELL 47G4A, registration: N7956J
Injuries: 1 Minor.
NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.
THE HELICOPTER WAS BEING USED TO HERD CATTLE IN A HEAVILY WOODED/BRUSHY AREA. THE PLT REPORTED HE WAS IN A HOVER MANEUVER AT 50-60 FT AGL WHEN HE HEARD A LOUD SOUND FROM THE REAR OF THE HELICOPTER. IT IMMEDIATELY PITCHED NOSE DOWN & STARTED TO ROTATE TO THE RIGHT. AFTER ABOUT 2 ROTATIONS THE HELICOPTER HIT THE GROUND. PHOTOGRAPHS PROVIDED BY THE PLT SHOW THAT THE TAILBOOM & BOTH L & R STABILIZERS HAD SEPARATED. THEY ALSO SHOW AN IMPACT ON THE T/R DRIVE SHAFT & PITCH CHANGE LINKAGE.
The National Transportation Safety Board determines the probable cause(s) of this accident to be:REASON FOR OCCURRENCE UNDETERMINED
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