Deliberate mistake: The angle of the footage of the Air Force jet (from inside the 747's passengers' viewpoint) observing the 747's damage shows the Air Force jet would be flying away from the 747 instead of flying exactly parallel as the outside footage shows.
Deliberate mistake: For the sake of the movie's plot and tempo, all the guests manage to breathe and stroll around quite calmly for several minutes despite the heavy smoke, when in real life they would be blinded and choking.
Deliberate mistake: In the scene inside the belly dancer's dressing room, during the brawl Bond has with the KGB agents, he shoves the bald headed guy into the mirror along the bottom 1/3rd of the glass, yet the middle along the left hand side of the mirror makes it look as if that was the initial point of impact before it shatters.