Or you could just get this:
http://www.amazon.com/Xtreme-Air-Rac...3326821&sr=1-1
which is very good fun online, there was a sequel game too that included a Comabt Race mode, but the one on the link is the one I have. It runs fine on XP by the way. As far as I know, this sim is the only one that models wake turbulence too.
A screenshot from it:
Chock