Bit of de ja with that one.
Did similar a decade or so ago on Ben Eime! A nice little outcrop called 'the Cobbler' a well known visit for walkers.
Only for broken ankle I went down to a shattered face, dislodged eye, both arms and legs broken. I spent in excess of five hours on the mountain side with the casualty. The Sea King returned to Glasgow for fuel whilst I was tending the injured chap, fortunately I was joined by a couple of MRT chaps who assisted.
But well done to this crew, I at least had semi decent weather.