Other mistake: While flying the helicopters, notice that the human pilots are not wearing protective masks in an open cockpit with the cargo doors wide open as the Avatars are either hanging out of, or staining to see past the pilots.
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Suggested correction: This has been submitted and corrected three separate times. The cockpit is sealed off from the outside.
Baloney. The movie made several egregious errors involving the use of masks. In several scenes you see them not wearing masks in human form including going into the lab at the floating mountains. Everyone including Trudy should have been dead within minutes.
