It is mentioned that Hadji's age is eleven.
Jonny's communicator is missing three times from his belt. One is when Jonny is standing on the dock with Race. Second is when the bad guy grabs Jonny. Third is when Jonny jumps into the water to rescue Bandit.
There is no airlock on the prober, so when Race opens the door to head outside, water should be flushing in.