naah, wasnt meant to look down on you.
I dont know what you know, or dont, having very little contact with you... so i assume you are a complete noob at Il-2 in general.
(as i always do when i cross a new face...)
...well there goes... always glad to be proven wrong in such cases.
my knowledge of this ntrk/trk think is quite vague, and i tried to pass on the small bits i know about it.
i was under the impression that, while you substitued one track file for another, you thought you could also swap filetypes with almost as little effort.
therefor my long reply and overly simple use of terms and words.
cheers!