On July 1, 2013 at 9: 45, a Swiss Helicopter Group Eurocopter AS 350B3 Ecureuil with four people aboard crashed in the Swiss Alps near Kröntenhütte, Uri.
The pilot, two flight assistants and a technician were killed. The victims were between 25 and 60 years old and the helicopter was one year old.
The helicopter had started off at 7 in Erstfeld, flew to Andermatt, then to Leutschachhütte. The pilot was dropping off someone in Kröntenhütte but instead crashed in a cloud of smoke.
Police, fire and the air rescue service responded. Currently, there is no explanation for the crash.
An investigation of Swiss Helicopter Group is now underway.