Possibly with ILS and a route you can make for the autopilot to follow. This could also be taken a step further. You could (for example) already include a pre-made route for the autopilot with the built so that when another user downloads it it already has a pre-programmed autopilot route and does a demo-flight showing off its capabilities. A REALLY IMPORTANT thing you need to add is the ability to tell the autopilot which axis (trim,vtol,brake) to use at what point. Or maybe the ability to tell the AI if the object behaves like an airplane, car or a boat. It is crucial for further development of the AI