failsafe

A couple of range fails ive had. not sure exactly why 2nd one happened. anyone notice a clue id love to know. that small tree line is in between us but theres only a couple trees deep. No music

The first drone i had fell slowly once i lost signal, but recently, with another one, it lost signal and just cut it's motors and crashed, why is this? and is there a way to stop it. I thought of popping the antenna out for more signal, but i think it would still just fall.

I don't know about other flight controllers, but my APM 2.6 controller/autopilot has a failsafe feature that permits the autopilot to take immediate action when the battery voltage or current drops below a certain threshold that you can set. The action can be to land immediately or return to the...