Sky Bandits, also known as Gunbus, is a 1986 British adventure film about two outlaws from the Wild West, drafted to the battlefields of WWI, who enlist in the fledgling Royal Air Force flying early warplanes called gunbuses. The film was directed by Zoran Perisic and made extensive use of the Zoptics technique he had developed for the flying sequences on Superman (1978). The production holds the record for the largest film crew on a fiction film (582).