Perhaps there are similarities here?
Investigation: AO-2011-087 - Collision with terrain - Robinson R22 helicopter, VH-YOL, 14 km north-west of Fitzroy Crossing, WA, 27 July 2011
This statement alone, from the 2011 crash report above, should raise concern;
"The ATSB has investigated four occurrences where day VFR-equipped R22 helicopters have been operated at night. Each of those occurrences resulted in the aircraft impacting terrain with fatal consequences."