Had an odd experience yesterday. Was goofing off in atti mode at a fairly high altitude aggressively diving (as much as it will let you) and swooping back up. After a high speed dive/climb combo, I lost control of the Phantom. It was still under power, but it dropped. It was as if I had the throttle all the way down. It stayed level and and just dropped. Nothing I could do with the transmitter could change it's behavior. Would have hit the ground hard if not for the good fortune of it hitting a cottonwood tree first and getting hung up in the leaves. When I climbed the tree to get it, it looked off. No LED. But as I fished it out of the tree it came back on and started the GPS lock & sensor warmup sequence. Battery was still solidly connected. No GoPro attached so no chance the Wifi came on and interfered. Phantom still seems to work fine (leaves&branches buffered the fall nicely) but I have lost a bit of confidence in my flying not knowing what happened since I got lucky that time. Any ideas what could cause it to fall like that?