Hello Stefltt and anyone else who has the aero.sors nav update, as well as ORBX Coffs Harbour.  I've been speaking with the aero.sors developer, Herve Sors over at his forum.  He advises there is a fix.  This is what he says;   " ... after installing my updates, locate the APX88420.BGL file that is in the ..Scenery\1104\scenery subfolder. You should also see a backup file with a bgl.p3dini extension (original file). Replace the APX88420.bgl with the original one (only).  Do this by del