During approach for landing close to Store Hoggarvatn, the helicopter started an uncontrollable rotation to the left, After approximately three rotations, the helicopter hit the ground. Due to rugged terrain, the helicopter flipped over to one side and was substantially damaged. All six occupants were able to evacuate the helicopter, one person sustained minor injuries. The investigation revealed a fatigue fracture in the tail rotor control lever mounted on the tail rotor gearbox. This report is in Norwegian only. No safety recommendation is issued in connection with this investigation.
|Location||Store Hogganvatn, Rogaland|
|Aircraft||Eurocopter AS350 Ecureuil|
|Type of occurrence||Accident|
|Type of operation||Commercial, other|
|Category of operation||Light, helicopter (<= 2 250kg)|
|Aircraft category||Helicopter, Single-engine, Turboprop/turboshaft|
|FIR/AOR||ENSV (Stavanger ATCC)|