"thanks to everyone that replied,, i will be trying all suggestions, soon, i have spinal surgery next week so i cannot really do anything right now,,,,,,i will report back after my operation"

"i dont get it with mavlink i can watch my quad fly see where it took off from and see its motion on map in MP i will be flying it is very stable autotune mode worked this time,, if i go to loiter mode i can watch it slowly take off on screen ,,so it…"

"compassmot 20% i tested gps in terminal i looked in logs it always at least 6- 8 sats, i have to try auto trim tomorrow again,, i wiped eprom reloaded firmware 3.0.1 set everything up and will try doing auto trim again after i fly it around a bit"

"i fixed this problem by erasing eprom in terminal then loading 2.9b firmware on apm,,did full setup it worked great.
then i loaded 3.0.1 firmware and setup,,worked well"

"i think john is getting to the point of using the power module and bec power,,,,you dont want to do this ,, if you use power module you have to cut red wire on bec`s,,,i could be wrong though"

"how are you powering apm, and what was your batt level. if you use jp1 and power through esc you get alot of crazy stuff if your battery voltage drops low even for a second. i had same crash as you describe resulting in full rebuild,, mine would…"