Originally Posted by
FullWings
We have had these issues in the recent past in Iraq and the reason was a rogue VOR/DME in Iran that wasn’t where it was charted, similar to Tu.114’s experiences.
If you have the ident or freq or anything related to that VOR it would probably be useful (and contribute to safety of flight) if you could provide it here... seeing as it does appear to be having a problematic effect on others...