The IvAc sector file of the Tehran FIR has been updated according to the AIRAC Cycle 2004. You can download this sector file by heading here. Note that this sector file is a “.sct” file compatible with IvAc software only.

If you are using the newer, still Beta, Aurora software, you can easily download the most recent sector file, which is 2004 at the time this post is being published, from the Aurora software itself.