Visual Glide Path Indicator to assist pilots landing jet planes.
Title reads: "For Safe Landing".
Wattisham Air Base, Suffolk.
A system demonstrated for safe jet landing - a Visual Glide Path Indicator. Panning L/S jet landing. Panning shot another jet landing, pan to L/S of the visual approach indicators. C/U man opening up one of the indicators. C/U as he takes out one of the coloured filters. C/U nameplate reading "RAF Visual Glide Path Indicators". M/S of visual approach indicators. L/S jet coming in to land, air to ground shot of plane coming into land. The four indicators can be seen, two on each side of the runway. Panning L/S jet landing.
The indicator helps jet pilots land - if the indicator filters are red then the jet is flying too low, if the pilot's flying too high the filters are white.
Note: booklet about the invention on file.