guidance to aircraft approaching and landing on a runway during low ceilings or reduced visibility due to fog, rain or snow. In January 2018, the Government of Serbia granted a 25-year concession of the Serbian largest Belgrade Nikola Tesla Airport to the French airport operator Vinci Airports for a sum of 501 million euros. As part of the deal, other three Serbian civil airports (Niš Constantine the Great Airport, Ponikve Airport and Morava Airport) are restricted when it comes to annual passenger flow expansion; they are allowed to increase to a maximum of 1 million passengers over the next 12 years. Plans exist for Niš Constantine the Great Airport to be linked to twelve more European cities, after Government of Serbia publish document about lines of public interests(PSO). Companies with the best offers will be granted 5 million euros. Twelve destinations of public interest are Frankfurt, Rome, Hannover, Ljubljana, Bologna, Budapest, Göteborg, Friedrichshafen, Karlsruhe, Salzburg, Nuremberg, Tivat. Currently, the airport serves the total of fourteen regular non stop destinations in eight countries during the whole year, plus four seasonal and tree seasonal charter flights during peek summer months. As of 2022, progress has been made in construction of the new Airport terminal. The new terminal will span over an area of 7.160 square meters and will feature ten check-in desks, self-check-in stations, eight passport control booths, four passenger gates, one VIP gate, one air bridge and a luggage sorting facility. The new terminal is set to be completed in 2024 and the expansion will enable the Airport to handle up to 1.5 million passenger annually. Airlines and destinations The following airlines operate regular scheduled, seasonal and charter flights from Niš Constantine the Great Airport: Statistics Niš Military Air Base The Sergeant-pilot Mihajlo Petrović Air Base (), commonly known as Niš Air Base () is located at the airport. Operated by the Serbian Air Force and Air Defence, base is home to the 119th Mixed Helicopter Squadron "Dragons" of the 98th Air Brigade. It is also home to the elite 63rd Parachute Brigade, special forces unit. Emergency Response Centre In 2009, the Serbian Ministry of Internal Affairs and the Russian Ministry of Emergency Situations established a joint Serbian-Russian Emergency Response Centre at the Niš Constantine the Great Airport, also known as Russian-Serbian Humanitarian Center. In 2011, a Russian Mil Mi-26 and Beriev Be-200 were dispatched to this centre for aerial firefighting