Hello FriendI have some question regarding flight dynamics.How can i create a flight dynamic for my newly completed model.i have no idea how can i create and edit Air files.is there any special tool for that.should i only edit Aricraft.cfg file.i have seen that some people change Fd but they do'nt change anything inside Aircraft.cfg.what do they do?thank youpersian

try out this link, it may help some....http://perso.wanadoo.fr/hsors/FS_Soft/

Thank you Mike.that was great site.Touradg