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Cone of Silence is a 1960 British drama film directed by Charles Frend and starring Michael Craig, Peter Cushing, George Sanders, and Bernard Lee. The film is about the investigation into a series of crashes involving the fictional 'Atlas Aviation Phoenix' jetliner. Cone of Silence is loosely based on the 1952 crash in Rome and investigations into the structural integrity of the de Havilland Comet. The film was based on David Beaty's novel, Cone of Silence (1959), later renamed Trouble in the Sky, the title of the film as released in the United States.