63731100 - Airport slot coordination services

CPV code 63731100 in the EU Common Procurement Vocabulary refers to Airport slot coordination services. It sits at level 5 of the CPV hierarchy as a subcategory within the 63 division. This code is nested directly under 63731000, narrowing the broader category into the specific area of airport slot coordination services. As a leaf code, 63731100 has no further subdivisions and represents the most precise classification available in this branch — buyers should reference it directly in tender notices when the procurement primarily concerns airport slot coordination services. Contracting authorities across the EU use 63731100 in TED notices and national procurement portals to signal that a tender relates to airport slot coordination services.