Hi Caz
Mr Holbrook reported that he could see the area around the lighthouse and lower walls from around 2nms. He couldnt see the top where the keepers were because it was in fog. He could also see the aircraft clear of cloud at more or less the same time.
Is it unreasonable to assume that the aircraft could also make out the turning point from around 2nms and therefore change Waypoint?
If they couldn't make out the turning point area, ditching the old Waypoint makes no sense at all.