In the final scenes showing a group of, apparent, British Spitfire or Hurricane aircraft being ferried by women British pilots, each woman is shown in her dress uniform cap instead of the required headgear to allow for proper communications.
When Amy Johnson returns home, close up shots show the same crowd with the same people, each time the welcome home events are staged.
In some of the early flying scenes (India), the film has been transposed as the registration letters on the side of the aircraft are mirror images of what they should be.