> real autopilot on an airplane is just keeping it in a straight line and constant speed Not even close. Even light aircraft autopilots can fly a full route fr

> real autopilot on an airplane is just keeping it in a straight line and constant speed Not even close. Even light aircraft autopilots can fly a full route from just after takeoff all the way to 200' AGL on final approach. Autopilots in transport category aircraft have full autoland including rollout.