This discussion is to clarify the order your addon scenery should be in when using Orbx addon scenery.
scenery libraries (e.g. FlyTampa, 29Palms / other than ORBX)airport sceneriescity and POI sceneries (e.g. landmarks)area sceneries (e.g. Aerosoft’s Night Environment)fotosceneriesAddon SceneryFTXAA_ORBXLIBSFTXAA_YSCHFTX_AA_xxx (ORBX Airports – several entries)FTX_EU_xxx (scenerie europejskie – several entries)… (FTX NA, FTX AU)ORBX!OPENLC_EUROPEx (openLC Europe – several entries)ORBX!OPENLC_NAMERICAx (openLC for Northern America – several entries)ORBX!OPENLC_BASE (openLC base)other landclass add-ons (e.g. Scenery Tech – Africa)FreeMeshX-xxx (FreeMeshX folders or any other mesh you use – several entries)Edwards_AFBBerlin… (all named FSX sceneries)AsiaAfricaORBX!VECTOR_OBJORBX!VECTOR_APTORBX!VECTOR_CVXORBX!VECTOR_EXX1107 Base… (all numbered FSX sceneries)0000 BaseORBX!VECTOR_AECDefault SceneryDefault Terrain(optional / deselected!) FS9 World Scenery