ANNEX II REQUIREMENTS FOR SPATIAL DATA THEMES LISTED IN ANNEX I TO DIRECTIVE 2007/2/EC

7. TRANSPORT NETWORKS

7.4. Air Transport Network

7.4.1. Spatial Object Types

7.4.1.11. Apron Area (ApronArea)
A defined area, on a land aerodrome/heliport, intended to accommodate aircraft/helicopters for purposes of loading and unloading passengers, mail or cargo, and for fuelling, parking or maintenance.
This type is a sub-type of TransportArea.