I had a chat with Ian about this yesterday. While testing the scenery in P3Dv5 I noticed the ground poly problem was still present. Unzip this bgl in the scenery folder of the P3Dv4 version. I have also applied it to Ian's upload in the hangar. I don't use the FSX version so can't help you with tha...

Hi,

Thanks for great scenery! are this final versions on maiw downloads? or i scenery stil i develop? but i note bug i fsx and p3dv4 version.

Fsx version has red & black area and P3dv4 version has gray area slightly outside base.

Maybe the files are corup on server? can someone check files?