The pilot's inadequate visual lookout and low altitude flight when he failed to maintain altitude/clearance from the transmission wire. A factor contributing to the accident was the transmission wire.

failure of maintenance personnel to properly torque the six accessory drive bolts, which resulted in fatigue failure of the undertorqued bolts.

THE IMPROPER IN FLIGHT DECISION OF THE PILOT IN COMMAND TO ATTEMPT AN AGRICULTURAL TURN WITH INSUFFICIENT ALTITUDE TO ACCOMPLISH THE MANEUVER. CONTRIBUTING TO THE ACCIDENT WAS THE PILOT'S OVERCONFIDENCE IN HIS ABILITIES.