In answer to "Just out of curiosity huntnhound, are you a pilot?
I get the impression you're not, but would be happy for that impression to be corrected if I'm wrong."
I cant see the relevance, but if it makes you happy I`m not. But I have over 1200 hrs observing.
And dont start me off on pursuits or the danger of pusuits..a subject I know a lot about.