Flight to Hong Kong - Rory Calhoun (1956) - Kai Tak Airport, Kowloon

Back in 1956, Kai Tak airport was located partially in what became the San Po Kong factory estate. The famous runway sticking out into the harbour wasn't built until a few years later. Once again, another of the 1955 films shows it off better (Love is a Many-Splendored Thing). According to the American Film Institute, the productions notes for Flight to Hong Kong mention that these Kai Tak scenes were shot as part of the film's pre-production in January 1956. It's possible the non-main cast scenes were but do films include main cast in pre-production, I don't know? It's possible the main cast scenes were pick-up shots filmed later during main production.