create two ai in editor, one as player (leader).
create a empty hummingbird.
create a opfor t-100 near hummingbird (50m-100m)
preview mission.
command CIV ai to get in as pilot
get in heli as passenger
command CIV ai to move to location on map
CIV ai will take off and circle the opfor tank like its a target refusing to odey commands.
if you name the tank and setdammage 1 ai will then fly to the location you sent it too.