ID	Attribute name	Description
82	Airport Location Offset Allowed (XP11)	Airport location offset allowed to avoid conflict with autogen.
4	Always Flatten (XP11)	Always Flatten has been set for this submission
12	Always Flatten Ineffective (XP 11)	Always Flatten has been set for this submission but failed to correct the mesh
81	Closed Airport	An airport known to be closed, or reported as closed.
84	Demo Area Airport	Airport featured in one of the XP12 demo areas.
7	Exclude Submissions	(No description)	Reserved
19	Iconic Airport	An iconic airport for flight simmers
15	Major Airport	A major international airport
3	NAVAID Incursion	A navigation aid incursion is present at this airport. Either the airport, or the navaid, are mis-located.
46	Overlap - Legitimate	This airport legitimately overlaps another airport
83	Runway offset from actual location	Runway cannot be placed in correct location due to bad CIFP data
54	Scenery Tile Tearing (XP11)	Mesh scenery tiles are tearing at or near this location
32	Scenic Airport	An airport located in a region that has outstanding scenic properties
10	Terrain Incompatible (XP 11)	All of the terrain at this airport has the wrong texture - probably because the airport had no boundary at the time the mesh was cut
17	Terrain Incompatible at Perimeter (XP 11)	Portions of the terrain at this airport have the wrong texture - probably because the airport has moved from the original boundary
45	Terrain Injection	No longer used
60	Terrain Mesh Impacts Water Ops	Terrain mesh incursion on a water body used for seaplane operations
41	Terrain Mesh Missing or Compromised	Terrain mesh is missing in an area where it should be present, or it is present but not plausible
36	Top 30	One of the top 30 largest airports in the world
37	Top 50	One of the top 50 largest airports in the world
49	Very Large Airport	A very large airport that requires an exception to be coded in WED in order to pass validation