Thanks Heathrow - There's a nice colour picture of EV-776 and 3 other Argus' floating about on the
Nostalgair Fairchild website (I hope I'm allowed to paste the URL photolink below) and one B&W of an unidentified a/c but otherwise that's it!
Google Image Result for http://nostalgair.free.fr/azcisans232.jpg[/IMG]
Yes perhaps Air Britain is worth a shot, Cheers.