When using ORBX or user orthos, there is a wrong priorisation.
The IPACS orthos of lower layers stay active, though that layer is also present in the ORBX folder as level13 -9.
Here is an example of orbx-nl Rotterdam. Please compare the water colors.
Observed in version 18.104.22.168 and before.
View with the EU-DLC installed:
View with deactivated EU-DLC:
The wrong mixing of User and IPCAS orthos produces a very inconsistant image experience.