I created a subreddit for Air Hauler 2. Tried posting stuff to the JustFlight forums and gave up after a string of errors. 
If you use AH2, spread the word and come join in!
(edit)
This was before I knew about the Air Hauler 2 forums - and the Discord.
You are strongly encouraged to read the manual. There’s a lot of good info in there. If you ask a question that is covered in the manual, expect to be told “read the manual.” 