Accident to the helicopter AS350 registered CC-ARK operated by Calquin Helicopters on 09/02/2017 at Paso Pehuenche [Investigation led by DPA / Chile]

Preliminary data based on the notification from the authorities of Chile :

While the pilot was conducting an external load aerial work, the load diverted to the back of the helicopter making contact with the tail rotor. Part of the sling get attached to the rear fuselage and the pilot experienced loss of control, colliding into the ground.