Sorry for the late reaction.
This model looks superb !!
Are you working on a complete conversion to MSFS ?
If GMAX can support MSFS SDK, we may aim for a complete MSFS model. However, the road is far.
In this WP-3D, boundary of the texture was corrected by modifying material. (Now on release. However, for FSX or P3D.)
https://viperhiro.wordpress.com/category/download-archive/
If I'd known the citation had the Garmin package, I might have opted for the full-blown premium version.