These are the pilot notes for the IX, XI and XVI. See the paragraph about the throttle control. There was a discussion in the thread for the update that added the IX to the game that was about the prop control and I posted that there. Added the entire pilot notes into this post for you should you wish to peruse. Now that I mention, that's something to see on the IX when I next get some flight time, have they stuck with the early prop controlĀ (not complaining if they did as have no idea what date