Just a thought.
Notams would show if Fairford was open for movements, which more often than not means U2s, that day. If it was not, I doubt the aircraft would have been a U2.
Edit. A long shot, could it have been a US mil version of the PC 12?
Last edited by Aquatone1; 5th May 2014 at 06:45.
Reason: further thought