The “new Charts offering” that @Ian is mentioning has been released for over a year now, but it sounds like it is not what you expected. Let me clarify!
The parking charts cannot be georeferenced. You can find many references in this forum as to why, and why we at Navigraph cannot affect this. Here is one example:
Instead, what we have done is add detailed airport maps for over 1000 airports worldwide, based on the real-world Airport Mapping Database offered by our data provider, Jeppesen. You can read about the announcement here: Introducing Highly Detailed Airport Diagrams for Charts 8
And see it in action here:
I hope this things up a bit!
Kind Regards,
Malte