Yes, found on another forum. You were correct, thanks for replying.
Rare footage from 999 and Caught on Camera in the early 1990s on Seaking helicopter XZ594 that clipped its rotor on Green Crag during the rescue of an injured climber on 27th April 1991.The story is told by the chopper crew and the injured climber.
And this page
Sea King XZ594 - Upper Eskdale. (actually the first hit)
Here's the youtube clip of the actual incident