63733000 - Aircraft refuelling services

CPV code 63733000 in the EU Common Procurement Vocabulary refers to Aircraft refuelling services. It sits at level 4 of the CPV hierarchy as a category within the 63 division. This code is nested directly under 63730000, narrowing the broader category into the specific area of aircraft refuelling services. As a leaf code, 63733000 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 aircraft refuelling services. Contracting authorities across the EU use 63733000 in TED notices and national procurement portals to signal that a tender relates to aircraft refuelling services.