Doha International Airport () is an airport in Doha, Qatar. It was Qatar's commercial international airport until Hamad International Airport opened on 27 May 2014. While all scheduled commercial traffic ceased, the airport site and existing runway is still used by Qatar Emiri Air Force, Qatar Amiri Flight, Rizon Jet, Gulf Helicopters and Qatar Aeronautical College. It also acts as a state/diplomatic airport catering to both Qatar Amiri Flight (which is based at the airport) and state visit flights. The airport welcomed commercial flights again on 15 September 2022 for selected airlines to handle increased traffic for the 2022 FIFA World Cup that took place in the country in November. History Doha International Airport opened in 1959 replacing Dukhan Airport, which was built in the 1930s and located west of Doha. The airport suffered from overutilization, even though it had been expanded numerous times. Before the opening of the new airport, the capacity stood at 12 million passengers per year. Its runway was one of the longest at a civil airport. It was the main base of Qatar Airways. In the past, the airport was mostly used by Qatari holiday makers and foreign workers coming for the oil and gas sector. As Qatar Airways expanded rapidly, the airport grew and attracted more people such as holiday makers and transit travelers. In 2010, it was the world's 27th busiest airport by cargo traffic. The control tower and ancillary buildings were designed by Curtis W. Fentress, FAIA, RIBA of Fentress Architects. All scheduled commercial air traffic serving this airport moved to the new Hamad International Airport on 27 May 2014. The new airport is located east of the former facility. It covers of land and was able to handle 29 million passengers per year on opening day. The old airport was [originally] planned to be demolished, but it has been refurbished and reopened for the 2022 FIFA World Cup. Terminals Departure and Transfer Terminal This was the main terminal at Doha and handled all economy class Qatar Airways flights, as well as all other airlines using the airport. This terminal was expanded several times in order to cope with the increasing number of passengers using the airport each year. The terminal had 44 satellite gates, as well as seating areas and a large duty-free area. There were 3 lounges in this terminal, including the Oryx Lounge, which was used by all foreign