ENAIRE is the leading air navigation and aeronautical information service provider in Spain. ENAIRE is the fourth most important European air traffic manager and is in a clear commitment to the Single Sky initiative. The company manages the Spanish airspace over a territory of 2.19 MN square kilometres. and provides air traffic services to 2.1 million flights to and from four continents (Europe, America, Asia and Africa), carrying 300 million passengers each year. Through five control centres, 21 control towers and a comprehensive network of aeronautical infrastructure and equipment, ENAIRE provides en-route, approach and aerodrome ATC services, as well as flight information, alerts and consulting services. ENAIRE is the communications, navigation and surveillance service provider across the whole of the Spanish airspace and at airports in Aena network.