What happened
On September 11, 2014, at 12:30 UTC, an Agusta Westland AW139, registration SE-JRH, was operating from Umea Airport (ESNU) in Sweden. During the flight, the aircraft experienced a detachment of the slip ring assembly used for the tail rotor anti-icing system.
The helicopter was operating under visual meteorological conditions at the time of the event. Following the mechanical failure, the crew successfully landed the aircraft at ESNU without further incident. There were no injuries to the four crew members on board, and the aircraft sustained no damage.