Originally Posted by
GOLF_BRAVO_ZULU
As I recall Cone of Silence, they used an AVRO Canada Jetliner.
No, it was the six engined Avro Ashton testbed. Previous posts have mentioned the DVD, the film was made in an unspecified anamorphic format, i.e. 2.35:1 aspect ratio like CinemaScope. The dvd is 4x3 except for the opening credits, so much of the image is missing.