Argosy aircraft take-off pan to Bev Smith report to camera. Bev explains the role of 115 Squadron in testing landing equipment. We see a test flight in which a crew in the Argosy communicate with ground crew who are following the landing path with a theodolite. Interview with Wing Commander Mike Lee about the problems and risks involved with instrument landings. Air to air shots of the Argosy and views inside during flight, also shots in operations room.
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