"Up in the air on your own and you can do whatever you like. I flew 400 Spitfires and occasionally I would take one up and go and play with the clouds, which was so delightful and lovely, I can't tell you how wonderful it was"
I found the segment in the video where she recounts an encounter with a German plane while flying, and attempts to wave it away (shoo!) to be hilarious.
(From the video embedded in the article)