Whilst playing at altitude tonight the h500 lost control and I was unable to get it back. The h500 is no more. but its fine because its now going to be a 6s 800 size beast, I had minimum stick input and only managed to keep it vaguely above me . I couldn't drop altitude manually . It descended by itself at its own pace . I only had yaw, pitch and roll input. The last 30 meters it pushed itself into a tree smashing itself apart.