Incident Overview
On July 29, 2022, at approximately 09:20 local time, a serious incident occurred involving a Pilatus PC-12/47E aircraft, registration HB-FWA, at Bern Airport (LSZB). The aircraft was operated by the Swiss Confederation and was on a private flight under Instrument Flight Rules (IFR) from Bern to Saarbrücken Airport (EDDR).
Flight Details
The flight crew consisted of two pilots, and there were two passengers on board. The aircraft was owned and operated by the Swiss Confederation.
Incident Sequence
During the takeoff roll on runway 14, the engine exhibited elevated temperature. As the aircraft entered the initial climb phase, it failed to produce normal power. In response, the crew decided to abort the intended flight and return to Bern Airport for a precautionary landing. While on final approach to runway 14, available engine power decreased further, and sparks became visible from the exhaust pipes.
Damage and Injuries
The aircraft sustained light damage. There were no injuries to the crew, passengers, or any third parties. No third-party damage was reported.
Investigation
Due to potential conflicts of interest, the Swiss Safety Investigation Board (SUST) delegated the investigation to the German Federal Bureau of Aircraft Accident Investigation (BFU).