 27 Spitfires in various degrees of repair were found for the film,  12 of which could be made airworthy. Only six Hurricanes where  found, three of which were made flyable. The Messerschmitt 109 where  all retired from the Spanish Air Force. The production company  bought them all, about 50 of them, and put 17 of them back in flying  condition. They are in the movie flown by Spanish Air Force pilots,  and crop