Biggles (1986)
Directed by John Hough

Film Synopsis

New York salesman Jim Ferguson is attending a business party when he suddenly finds himself whisked through time, ending up in aerial combat during the First World War. Here, he saves the life of Royal Flying Corps plot James Bigglesworth before being catapulted back to his own time in the 1980s. Bigglesworth's former commanding officer, Raymond, tells Ferguson that he and Biggles are time twins, each compelled to join the other when he is in mortal danger. Ferguson finds he has no choice but to assist Biggles in his attempt to destroy a German weapon that could turn the tide of the war...