Hazrat Shahjalal International Airport (Bengali:হযরত শাহ্‌জালাল আন্তর্জাতিক বিমানবন্দর Hôzrôt Shahjalal Antôrjatik Bimanbôndôr) (IATA: DAC, ICAO: VGHS) is the largest airport in Bangladesh. Operated and maintained by the Civil Aviation Authority, Bangladesh, it is also used by the Bangladesh Air Force. Located in Kurmitola in northern Dhaka, it started operations in 1980, taking over as the country's sole international airport from Tejgaon Airport. It is the hub of all Bangladeshi airlines, including Biman Bangladesh Airlines, United Airways, Regent Airways, Novoair and US-Bangla Airlines. The airport's IATA code – "DAC" is derived from "Dacca", the previously used spelling for "Dhaka".