Hi Claude,
we use also real-world data from real-world aviation.
Here are the data, which will be used by PMDG:
Follow exactly the instruction in the FAQ and all should be solved. Again, that has nothing todo with Navigraph or any other data provider - this is all PMDG specific.
Just an example:
https://forum.navigraph.com/t/2014-rev1-missing-all-data-for-kord-in-pmdg/3834/6
Cheers,
Richard