Oulu Airport (IATA: OUL, ICAO: EFOU; Finnish: Oulun lentoasema, Swedish: Uleåborgs flygplats) is located in Oulu, Finland, 5.7 NM (10.6 km; 6.6 mi) south-west of the city centre. The airport is the second busiest in Finland after Helsinki-Vantaa airport, as measured by the number of passengers (ca. 877,000 in 2013). There are around twenty daily flights to Helsinki. Oulu Airport is also extensively used by the Finnish Air Force for training purposes. Recently the old terminal was demolished for more apron space. A major extension of the main terminal was completed in September 2011. Four new jetbridge gates (gates 13–16) were constructed and the main terminal was expanded by 4,300 square metres (46,000 sq ft), raising the capacity of the airport to 1.5 million passengers per year. The managing body of the airport is Finavia.