Successful tests flights done on september 25, 2011 with an ASW24 electro-glider fully piloted with the ArduPilot Mega 2560 and the firmware Thermopilot v5.0a (JLN version). The ThermoPilot project is a development of a full auntonomous Thermal Hunter Glider Drone, the project is now in phase 3 with the APM2560.
More infos at:
http://diydrones.com/profiles/blogs/thermopilot-project-a-thermal-hunter-glider-drone
or at:
http://diydrones.com/profile/JeanLouisNaudin