Basically a PID controller
Something like (Altitude-sum(VTOL))/60+rate(Altitude-sum(VTOL))/100+sum(Altitude-sum(VTOL))/200
Basically a PID controller
Something like
+1(Altitude-sum(VTOL))/60+rate(Altitude-sum(VTOL))/100+sum(Altitude-sum(VTOL))/200