Accident Details
On July 19, 1985, a Bell 206B helicopter was maneuvering near Soda Springs, California, when it lost control. The pilot reported that he was flying at approximately 30 mph while looking for sheep in mountainous terrain. During the maneuver, the helicopter experienced a sudden uncommanded yaw to the right. The pilot lost control, and the aircraft descended uncontrollably into the terrain.
Damage and Injuries
The aircraft was substantially damaged. The two pilots on board sustained serious injuries.
Pilot Report
The pilot reported no mechanical difficulties prior to the accident. He attributed the loss of control to a loss of tail rotor effectiveness.