I do not know all the airfields the T3 had to have boost engine reasons of short runway alone rather weight hot weather etc for other than EDI before the new runway and Oslo Fornebu any other offers.
If i cd drift the thread a little goijg bck to start about BEA and BOAC doing Moscow in the BALHR T3 lounge there is a poster saying fly BOAC to the Helsinki Olympics, could that be right.