Accident Description
While in instrument meteorological conditions at an altitude of 10,000 feet mean sea level, an airplane was observed by an air traffic controller to execute a sharp right turn followed by a rapid descent. Attempts by the controller to establish communication with the flight were unsuccessful.
Investigation Findings
Examination of the accident site revealed all major components of the airplane were present. However, the extent of impact damage precluded any verification of flight control continuity. The engines could not be retrieved from the impact crater. Accessibility to the accident site required specialized equipment.
Casualties
The pilot, who was the sole occupant on board, sustained fatal injuries.
Probable Cause
The exact cause of the accident could not be determined.