I'm not sure how to answer this. The terrain is not a consistent level the whole way. I start the unit off at z:1000 but as it follows to the waypoint, I can see it rising and dipping with the terrain instead of staying in level flight. It seems to be trying to stay at 1000 AGL instead of 1000 ASL, but this is without any kind of script commands.
If I start at z 500 for example, it stays at the same AGL. If I put the plane too low, the AI just flies up until it's comfortable, then keeps doing the thing where it "follows" the terrain.






