Well, helicopters are weird, and the aerohawk is kinda like flying a wounded moth.......LOL Some in here think not, but anyway I fly my MS hornet pretty well and sometimes feel like I'm learning all over again when I fly the aerohawk! Anyway, If a helicopter drifts in any particular direction, usually you put the trim of that control in the opposite direction in small increaments till its flying fairly level. For Example; if the heli is drifting to the left, then the lower trim on the right side of your controller should be clicked 2 or 3 notches to the right! and if the heli's rear is lifting because the heli wants to go forward, then click the trim lever on the far right back or down 2 or 3 clicks. Look at my aerohawk, It hovers perfectly in one spot with the rotor disk perfectly level, but yet the whole helicopter when veiwed from the rear at an altitude of 3-4 feet you can see the whole fuselage is tilted or cocked to the right! Go Figure