Hi Matt, any ideas what is happening here please. I'm running P3D v4.5, PTA, ORBX EU and ORBX TEGB. It's only on the Channel Isles which is not covered by TEGB that this appears. I've tried reloading your default shaders and some older one you gave me ages but it's still the same. It's only happened since I installed TEGB. Even if I take out of the scenery library TEGB it still does it. Any suggestions.