How to discover a crash reason - APM

Hello everybody!

I'm trying to discovery a crash reason reading a data log but I'm not getting out the reason, and I am asking for the help of you to find out why the fall.

The data log is attached  and I filmed the flight and fall. 

Thanks for your hel

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APM "Fly away"

Hello guys, this is my first thread in this forum.

Today I lost my hexacopter with APM 2.6 running the last stable firmware version in auto mode and the reason I don't know why, apparently everything was ok, the GPS was locked, the compass health is o

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