"Hi lately i Have did 3 test flights regardless of the compass variance and bad ahrs i have. All safe landing and recovery.
since the bad AHRS flag went off after 40sec consistently, i assumed like other Avionics on an airplane we have 7 mins to…"

"i have this problem running arduplane on pixhawk, runing the same firmware..only is mine shows up after powering and it goes away after 40sec. consistantly."