- In the film, why didn't Hester's mom just tell her that necklace is the key to stopping the stolen box weapon before dying? She shouldn't really risk the failsafe to a dangerous weapon to guesswork.
- She was dying, and may have been barely able to talk.
- When Airhaven is sent crashing to the ground below fast, nobody seems to expierence any discomfort or trouble walking around the place instead of hanging on for dear life.
Headscratchers / Mortal Engines