"I don't remember how, but i've configured a working failsafe on my turningy 9x unmodified when i've configured the switch mode. By default, my failsafe go manual (haha, usefull) but now it's configured for rtl. I will take a look to my apm after…"
"They are other OS on pc than microsoft ones. I will put my groundstation on a custom linux build for example. Moreover, your drone will not crash if you loose the remote connection :/"