Full power runaway and crash, ( video and logs attached )
ArduCopter 2.6, u-blox GPS with compass, 3DR Telemetry 915 Mhz,
APM 3.1.4,
Details:
Saturday. I had a momenty lost of controll early in the day. The next flight I could not take off due to a mag - prearm check failure. I recallibra