Flight Details
The twin-engine aircraft departed Albenga Airport on a private flight bound for Stuttgart, Germany, with four passengers and one pilot on board.
Accident Sequence
While cruising over the Swiss Alps, the aircraft encountered deteriorating weather conditions, including thunderstorm activity and turbulence. The pilot lost control of the airplane, which entered a dive and struck the slope of a mountain near Klöntal.
Wreckage and Casualties
The aircraft disintegrated upon impact. All five occupants were killed. The wreckage was located at an altitude of 1,800 metres.
Official Findings
The investigation identified several findings related to the probable cause: poor flight preparation and planning; the pilot's decision to continue under visual flight rules (VFR) in instrument meteorological conditions (IMC) without appropriate training; and loss of control by the pilot while operating in IMC conditions.