[Travis McGee]

I am assuming that the shooter knows the spot where the plane is going to take off, the distance from the van to that spot, and has done the simple homework for the shot. The target is not a man's head, it's 12' high and 12' wide!

[in the Arena]

Crap, I mis-read your original post as a target size of 12 inches, your 12 foot target, well, that would fall into the broad side of the barn catagory...