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.