Go into Aces High. Push ESCAPE then click on SETUP. Click on JOY STICK (up in the right corner of the clip board).
From there you click on (left top corner) SELECT JOY STICK.
Once in there, you will see 3 different little views, don't mind the left and right just the middle one. Select the joy stick which you have (2 options, Joy stick or mouse) then in the bottom, click on SET ALL INPUTS and then on SET ALL BUTTONS.
Click on APPLY and then OK.
Calibirate Joy Stick under Aces High's calibiration (find it when you push ESCAPE, click on Calibirate Joy Stick).
Make sure you move all axis when you calibirate, stick up/down, left/right, Twist (if existant) left/right and throttle top to bottom then push OK. Make sure ya move stick in as far to all edges as you can.