Hi Herky,   The problem is that you're running P3D v4.3. You'll need to update your P3D version to the current build (v4.5) as any version prior to v4.4 did not support physically based rendering (PBR).   That's why the models aren't showing up. Your elevations are correct, it's just that the models aren't showing. The ones you can see aren't using PBR.   Once you've got P3D updated you'll be good to go.   Cheers,   Greg