Two points of interest:
(a) I dont think the pilot had visual with the runway because he would have easily tucked into 09 after reaching his MDA at about 1 NM threshold (MAP is 0.6 NM threshold), even though he was slightly offset (4 degrees as reported). Plenty of time to select landing flaps and touch down had he seen the runway.
b) The impact point was approx. 500 metres from the threshold; he would have reached the impact point approx 20 secs seconds after his MAP of 0.6 NM , the position of the marker. ie, the photo above (post #748) tallies with a missed approach executed at the correct point (Delta locator, at 360 ft AGL MDA)) but something catastrophic happened.
Look at high ROD due to calm conditions and also possibly turbine blade stall if manual GA.