try this and youll be amazed made with good and accurate physics numericals for presision driving , landin 1.dont move vtols forward bakwards too rapid during flight or the rotors will leave the aircraft 2.this is highly accurate works fine you can turn this the way you want 3.landing time this aircraft have to be on vTol vertical mode power while landing should be 40-46 not more above 46 the aircraft will start catching altitude