Poor visibility lead to fatal helicopter crash, official investigation concludes
A report by the Department of Transport’s Air Accident Investigation Unit shows that the helicopter was flying well below the required altitude of 500ft in poor visibility at the time of the crash.
The accident occurred when the Robinson R44 Raven helicopter crashed in woodland in the Slieve Aughty mountains close to a windfarm site at Derrybrien, Co Galway, on July 9, 2005.