Originally Posted by
treadigraph
Think the P-166 might well be Luton, the McAlpines hangar as was. G-AVSM was certainly owned by them.
Could the Trident be Edinburgh?
My immediate thought on seeing the hill in the background of the Trident shots was that it was runway 24 at Edinburgh. That runway was only built in 1977 though, and the clip seems to date from 1969...