We'll obviously check this but, since it's really a minor issue, we were just replying to the most pressing questions first.
In fact, it's amazing that a 10 years old scenery like this would even work in P3D V4, since it started as an FS9 product, and got updated (for free) through 3 generations of simulators, FSX, FSX:SE, P3D and P3D V4.