I would use a Projected Mesh
You need anyay to have a reliable georeference, so the time spent to make it work is more or less the same as a secondary aerial
Blender-Gis add-on is an option to consider, to have a proper scale you need some real world measurement (e.g. the length of the runway), so you can scale the PM accordingly
I have a tutorial explaining the blender his tool
MSFS SDK Tutorial - Episode 6 - Fences (and normals, arrays and live glFT edit!) - YouTube
To export the texture to the sim you may need to resize it to the allowed images size (longer side length must be multiple of four)