May 29, 1997
Accident
Substantial GRANBY, NY
Injuries1 serious
Phase of Flight-
ConditionsVMC
OperationFAR 137
Probable Cause
failure of the pilot/owner to replace the torsional clutch as specified by the manufacturer, and subsequent failure of the helicopter's clutch, which resulted in a forced landing (autorotation). A related factor was: the encounter with trees in the emergency landing area.
NTSB NYC97LA101