Hexacopter Y6 has crashed from altitude of 100m, being in STAB mode.
HKPilot 2.5, ArduCopter 3.1.3
Homemade frame Y6
SunnySky X2212 980kv
Plush 18A with blheli
Video and logs: on GoogleDrive
Look at the end of the video at 9:20.
As you can see it flew almost fine and suddenly crashed for no apparent reason.
A couple of graphs:
I have insufficient experience to make a conclusion about the causes of the crash. :(
Would appreciate any suggestions.