Accident Sequence
The accident occurred during a dual training flight. According to the instructor, the left engine quit as the dual-student flared for landing. In response, the dual student initiated a go-around. Subsequently, the aircraft rolled uncontrollably to the left.
Instructor's Actions
As the instructor attempted to regain control, the dual-student froze on the controls. The instructor then placed the left propeller in the feathered position. Despite this action, the instructor continued to struggle to gain control from the dual-student.
Impact and Post-Accident Examination
The aircraft struck the ground left wing first and spun around before coming to rest. After the accident, the left engine and propeller were placed on an engine test stand and operated to full power. The tests showed no evidence of mechanical failure or malfunction that would cause loss of power.