NAV Portugal’s mission is to provide air navigation services in Portuguese airspace, divided into two FIR: Lisbon FIR, covering the entire area of mainland Portugal and the Archipelago of Madeira; and Santa Maria FIR, covering the Azores archipelago and a wide area of the North Atlantic Ocean.

NAV has an Air Traffic Control Center in Lisbon and an Oceanic Air Traffic Control Center in Santa Maria, and Control Towers at the airports of Lisbon, Porto, Faro, Funchal, Porto Santo, Santa Maria, Ponta Delgada, Horta e Flores and Cascais aerodrome. NAV Portugal has a team of around 1,000 highly qualified technicians who ensure the safety of passengers and aircraft 24 hours every day of the year.