Originally Posted by
helicrazi
It must be my simplistic brain, but why wouldn't you just set up a way point out in sea and track in, rather than heading for a bit of rock miles away to potentially get visible with said bit of rock, only to lose it behind you as you head for land, possible losing both landmark references, at least with letting down offshore using radar and taws you can track in direct as required at low level?
Their original plan seems to have been to go out to sea to get establish comms with R118. This being unsuccessful they may have changed their plan, turned back to land and refuel at Blacksod, hence the turn. Still, why turn to Blackrock?