Oct 26, 1998
Accident
Substantial HICKORY, NC
InjuriesNone
Phase of Flight-
ConditionsVMC
OperationFAR 091
Probable Cause
The seizure of the rear piston in the cylinder barrel resulting in total loss of engine power and an autorotation which resulted in main rotor contact with the tail boom while touching down on unsuitable terrain.
NTSB MIA99LA017