Today Holger coupled his Microcopter with a GPS Sensor. He did this in a quite simple way and the used closed-loop control will swing up. That doesn't mean it's not impressive! It already shows how it would work. Please note how often Holger is not controlling the Microcopter! Long times it flys autonomiously!
May I present Holger's show:
Get the Flash Plugin to see this movie.
Direct link: Download the FLV Movie