Is this where to report AIRAC errors, presumably so you feed them back to Jepperson ?
If so, LOWG Graz now has 17 and 35 runways (not 16/34), according to:
Thanks
Hi Mike,
all documents/links are outdated. Since March 2021 the runway-idents were changed to 16C/34C
.
So 16C/34C are the correct ones …
Hope that helps,
Richard
Thanks very much for a quick reply Richard. I should have guessed !
Is that the right place to raise possible inaccuracies ?
Mike
Yes Mike, it´s the right place - and when not, we move it to the right place - no problem. No topic will be lost and I can speak for all in the Navigraph team, we try to answer all topics on time … 
So, don´t hesitate to contact us again here in the forum, whenever you have a question, recommendation, improvement, idea or an issue … we are here 
Cheers,
Richard