https://store.steampowered.com/app/2969860/XPlane_12_Addon_Aerosoft__Airport_Kassel/
Airport Kassel is now also available for XPlane 12 via Steam.
[h2]New in the XP12 Version:[/h2]
[list]
[*] Standalone, fully customized XP12 version
[*] Revised lighting
[*] Ground textures now including PBR reflections and normal maps
[*] Revised orthophoto, color optimized for XP12, including autumn/winter version and normal map
[*] New, additional orthophoto for the immediate vicinity of the airport (60cm/pixel)
[*] Reworked vegetation placement (new volumetric grass)
[*] XP12 3D vegetation for forests, trees and bushes for seamless integration into the environment
[*] Weather effects for wet, snow and ice
[*] Full support for native XP12 seasons, with no other add-ons or plugins
[*] Reworked autogen and street placement
[*] Revised static aircrafts
[*] New XP12 Custom Mesh from Maps2Xplane (incl. Ortho4XP patch)
[/list]