I can try to model free, but as I said, I can only try, since i suck at it, but it will probably at least help if I made half of modelling, since it will save you some time. but i suck at it big time. But I do have a lots of time to work and want to help you, to help myself (modelling). here is a preview:

http://www.armaholic.com/pfs.php?m=view&v=3-f22_01.jpg

 still interested? guess not. lol

you can deinfately help him, u can export the files you have in 3ds file format, fbx, and so on... after that they will be available to import in 3dmax, or whatever other program he is intending to use.