LAPRA, TX, USA
N8403E
BELL 47G-2
UPON ENTERING A BANK APPROX. 80 TO 100 FT. OFF THE GROUND, THE AIRCRAFT EXPERIENCED A POWER LOSS WITH VIBRATION. DURING AUTOROTATION THE AIRCRAFT CONTACTED A TREE CAUSING SUBSTANTIAL DAMAGE. EXAMINATION OF THE WRECKAGE FOUND THE TRANSMISSION CLUTCH ASSEMBLY SHOES WERE WORN AND SEPARATED. THE CLUTCH DRUM WAS FOUND TO BE EXTENSIVELY WORN AND SCORED.
Source: NTSB Aviation Accident Database
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