Dec 14, 1998
Accident
Substantial ESSEX JUNCTION, VT
Injuries2 serious
Phase of Flight-
ConditionsVMC
OperationFAR 091
Probable Cause
the pilot's improper entry into the autorotation, which resulted in the loss of power and a low rotor rpm condition. Also causal was the pilot's improper execution of the autorotation which resulted in the hard landing. Factors in the accident were the performance of the autorotation at dusk over rough terrain.
NTSB IAD99LA024