"However, I doubt he saw me. I was flying a small twin, a PA31 Cheiftain. Would have made a hell of a mess if we'd clapped wings."
This is the thing I was wondering about. How on earth could an albeit skilled pilot flying a tornado at big speeds spot a C152 tottering along, without relying on radar etc.
But I did not realise there was a restriction in place. So you can fly in the highlands without worrying too much about military jets as long as you keep an eye on your watch