I took my quad out this morning to try various flight modes. Alt hold was perfect (more or less without sonar), but when i swapped back to stablise I lost all throttle control and it went off on its own. I could still control the direction, but that was all.
With the throttle, it would not respond even with full throttle. I managed to get it back to where I was and attempted to land - but nothing. It did come back down near the ground, even landing but I couldn't cut the motors. I had to flick between the different modes to get the motors to stop.
I'm pulling the video together now. However, looking at the logs and google earth, it appears to have gone through many modes [some of which weren't programmed]. I'm still going through the logs, but it would be great if someone else could have a look and let me know what they think.