Bankstown Airport (IATA: BWU, ICAO: YSBK) is an airport and business park located in the City of Canterbury-Bankstown, approximately 26 km (16 mi) from the Sydney Central Business District (CBD), Australia and 17 km (11 mi) west of Sydney Airport. It is situated on 313 ha (770 acres) of land and has three parallel runways, several apron areas, a small passenger terminal and a business park, home to more than 160 businesses. The airport, is home to numerous fixed-wing and helicopter flying schools and also caters to charter and private business flights, freight, aeromedical services, recreational flights, aircraft maintenance businesses, private aircraft and emergency services. Bankstown Airport operates 24 hours a day, with limitations placed on night circuit training. The airport's air traffic control tower is listed on the Commonwealth Heritage List.