Corrected entry: In the scene where the plane is in the air, the back stairs are down when the plane takes off. The camera zooms out showing the entire plane in the sky. You can see the back stairs are up. Next few scenes, stairs are down.
Corrected entry: In the scene where the fighter jets are following the plane with the bomb you can see the landing gear is down on both of the fighters. Fighter jets always raise their gear within seconds after takeoff.
Corrected entry: Why is no-one concerned about a nuclear bomb going off in the sea? Surely it would wipe out all marine life for miles around, and make the area unfit for ships and cargo to sail through, and practically destroy all businesses in/around the harbour? That isn't even taking into account the nuclear fallout. (This is a valid mistake for the theatrical cut of the film, regardless of book, etc., discrepencies)
Corrected entry: When they are in the plane that's flying with an open door, there is a light breeze, it seems, around the opening. However, that high up, it would create a strong sucking force, pulling everyone towards it.