It is interesting the the terrain Level of Detail model in AH penalizes ground vehicles. Since all relevent detail will be hidden from an observing player looking at long range at a ground vehicle the GV stands out like a sore thumb at long ranges. It is sometime quite comical to advance towards a clearly visible target and have him disapear behind cover as it is rendered.
Two ground vehicles will be able to see each other not based on any real line of sight rules..but by who happens to be farthest from any interceding obsticle.
Of couse obsticles dont help GVs vs aircraft at all...which is the opposite of their real value.
dont know how to change it. Cause you dont want to have FPS drop for everyone.
But maybe never show a dot for an enemy if you wouldnt render the obstacles arround them.
Or line of sight cannot be farther then the render distance for detail.
Its definalty out of wack right now...