JOYSTICKS, YOKES, THROTTLES, RUDDER… Different names, same principle of operation… PDF version here   Wonder why when you connect your throttle for the first time, engine 1 lever makes the plane turn right, and the button labeled “Engine Start” changes outside view ? Or why advancing what looks like a throttle lever, the propeller or mixture changes in the aircraft ? Well, because all the joysticks, throttles, rudders share the same type of interface board: A