Question about AFCAD files

Are AFCAD files universal to FS9 ? - what I mean is that if I use Ultimate Traffic and I install scenery from a supplier which gives an improved Airport and I use his AFCAD files, would UT or any other AI utility be able to use these AFCAD files correctly ?
Regards to all
IanR - Scotland UK
Regards to all
IanR - Scotland UK