replacing the old terminal building of 2200 m2 (23,681 sq. ft.). The new facility is a temporary structure, and it cost Rs. 119.8 million to house passengers and office space for 15 local airlines. In 2020, the runway was extended to , the departure hall was expanded to accommodate 1500 more passengers, the arrival area was extended to a lower level and the immigration hall was facelifted. In 2022, the airport extended its domestic terminal, with the new section of the building being exclusively used by Buddha Air. Facilities Apron The international apron at TIA can handle up to 17 aircraft, although only three can support wide-body category aircraft. There is also a bay at the eastern side of the airport that can hold two wide-body and two ATR 72 or similar type of aircraft. The eastern bay is used solely to park disabled or non-operational airplanes. With the completion of the construction of the two apron the parking capacity has increased to 17 aircraft. The aprons at the domestic terminal have been accommodating up to 35 aircraft, despite its allowable capacity of only 17. The helipad at TIA can handle up to 17 helicopters. Runway The airport has a single runway with a slope of 1.2% oriented at 02/20. There is no instrument landing system available. The bitumen runway with the strength of PCN 54F/A/W/T has the markings of the centerline, edge, touchdown zone and the threshold. It has a 60 meters Runway Strip and 240 meters Runway End Safety Area (RESA). The runway has five intersections with the taxiways. The taxiway G runs parallel to the runway but it doesn't connect the thresholds. Aids to Landing and Navigation There are two non-precision approach available at the Kathmandu Airport; VHF omnidirectional range along a distance measuring equipment (VOR/DME) and Required Area Navigation (RNAV/RNP). Due to mountainous terrain VOR/DME system are installed at Kathmandu and Bhattedanda for a better communication. A high intensity extended centerline lights are installed at the southern end of the airport to assist with the approach. The runway is equipped with high intensity centerline lights, bidirectional raised edge lights, the threshold lights and the runway end lights. Precision approach path indicator (PAPI) lights (3°) are installed as landing aids for the two runways 02/20. There is however no ILS system installed in the airport. Terminals There are two public terminals at the airport, one for international