Maximum altitude on German airways


I’m considering using the DFD Data Format and I have a problem with several German airways. For example take a look at Z94:
Northbound is max FL245, southbound is max FL660. However the DFD dataset only shows max FL245. There are two minimum altitudes in the DFD data for special cases like this. Is there any way to get the correct altitude for southbound flights or maybe a second maximum altitude column in the DFD dataset?

Is this the right place for my question? Or should I write dev support? I’m not a partner yet and the issue can also be seen in Navigraph Charts, so I assume it’s a problem in general.

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I will check it, please be patience … Thank you!


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Hi Richard,

Please excuse my impatience, are the any news on this issue?