true d x dock king

Good info about true d x and docking

https://youtu.be/G5fIAtC3xQQ 

ardupilot diagnosing problems

https://ardupilot.org/planner/docs/common-diagnosing-problems-using-logs.html

Pre-Flight Check

 

Mandatory Preflight Checks Before Every Flight For Fixed Wing Uav - Arduplane - Pixhawk 2.1 'CUBE'