We were waiting for the first one spotting that one, assuming it was a "bug" of the scenery, when in fact is a proof of how accurate it is...
Those stands have a "Mirror" Docking system, which we added to GSX to support this scenery. As the KSDF manual explains, this system is designed to allow the pilot to park by himself, without any assistance so, the stopping lines that are usually there as a reference for the Marshaller, are *mirrored*, because this is how the pilot will see them, through the docking system mirror.
Now, since we decided to still support (for the last time) FSX in this scenery, we made the Mirror as an animation sequence so, it's not a "real" mirror, just an approximation, and the limited resolution of this system wouldn't allowed to clearly see the numbers from the mirror. That's why we added the ability to see the distance numbers to it, which before was enabled for the Marshaller only.
When we'll drop support for FSX, we might eventually remade the system with a completely different method which is possible with the P3D SDK, that allows dynamic rendering to a texture of a custom camera view, so the mirror will really work as it's supposed to be.
