Is there a Pierced Steel Planking (PSP), aka Marston Matting, addon for FSX? There are lots of WWII aircraft available but nothing I've been able to find with an accurate environment.
Bottom of list.
https://www.simtours.net/runwaysurfaces.php
I thought you might find this interesting, although they might not all be in FSX..
http://www.pacificairfields.com/af_whatsnew.php
http://www.aircraft-charter-world.com/airports/oceania/australia.htm