and Communications entailed the integration of the Subsecretariat for Civil Aviation into the national civil service. In 1982 the disappearance of the Subsecretariat for Civil Aviation gave place to the creation of the General Directorate for Civil Aviation (DGAC), which took on the legislative and regulatory powers, as well as those of air navigation. OAAN (the Autonomous National Airport Authority) became part of the Ministry for Transport, Tourism and Communications). Creation of the public entity Aeropuertos Españoles y Navegación Aérea (Aena) Under the Royal Decree 905/1991, of 14 June, the statute of the public entity Aena (acronym for Spanish Airports and Air Navigation) was approved, and this came into force on 19 June 1991, the day following its publication in the Official Spanish Gazette (BOE). The directives for action by the new entity were set by the Government through the then Ministry for Transport, Tourism and Communications, today the Ministry for Public Works, and competences for management of the network of Spanish airports, air navigation facilities and support networks and control over air traffic were entrusted to it. On 29 June 1990, in application of Art. 82 of the Act 4/1990, of 29 June 1990, the public entity Aeropuertos Españoles y Navegación Aérea (Aena), attached to the Ministry for Transport, Tourism and Communications, was created. On 2 November 1991 it began to provide airport services and, one years later, on 2 November 1992, Aena started to provide services related to air navigation. SACTA put into service at the Air Control Centres Development having got under way in 1984, the operational system SACTA (Automated Air Traffic Control System), was put into service at the Control Centre of Palma de Mallorca in the year 1990. In 1991, it came into service at the Air Traffic Control Centre of Madrid and, in 1992, at the Air Traffic Control Centre of Seville as well. At the Air Traffic Control Centres of Barcelona and Canary Islands, it was installed in 1994. Entry of Spain into Eurocontrol In 1997 Spain joined Eurocontrol as a full member. New air traffic control centres On 19 June 2001, the new Air Traffic Control Centre of Seville, replacing the former one situated at El Judío, came into operation. The Air Traffic Control Centre of Seville was the very first in Spain, its history stretching back to the year 1952. On 23 February 2005, the new Air Traffic Control Centre of