Accident to the Airbus AS350 registered LN-OFQ on 06/04/2020 at Sandnes [Investigation led by AAIB / Norway]

Preliminary data based on the notification from the Norwegian authorities:

The helicopter was to sling load a barrack (small wooden house) in windy conditions when the barrack started to rotate. PiC lost control of helicopter. Helicopter rolled over and the rotor hit the ground. Pilot states that there was no technical issue.