navigation equipment were replaced. The VIP building was constructed, and the airport complex was reconstructed. On February 2, 2005, a large-scale international airport reconstruction project was completed with the grand opening of the new 25,000 square-meter passenger terminal. The number of check-in counters was increased to 24 along with two luggage straps. Currently, the Terminal 2 is used to service domestic flights. On November 19, 2015, the grand opening of the 2,400 square-meter Business Aviation Terminal took place. The BAT area has a 200-passenger per hour capacity. The terminal building housed a lounge bar, a conference hall, rooms for negotiations, convenience for passengers with children, a duty-free shop, there are 52 parking spaces for guests. Within the framework of the Infrastructure Development Program, a new passenger terminal for international flights was built in 2017. A new terminal of 47,000 square meters adds six new aircraft parking lots with landing sleeves and four bus landing routes to the airport infrastructure and also includes a variety of technologies and processes designed to improve the quality of service at the airport. "N" stands for Nursultan Nazarbayev International Airport, as well as the name of the Kazakh capital of Astana. "QZ" is an acronym for Qazaqstan according to the new version of Kazakh alphabet based on the Latin script. Facilities The airport is the primary hub of Air Astana and is a primary operating base for SCAT Airlines, low-cost carrier – FlyArystan, Qazaq Air. It has two passenger terminals (T1 and T2), a business aviation terminal as well as cargo and maintenance facilities. In 2019, it served 5,099,391 passengers, an increase of 12.1% compared to 2018, making it the second-busiest airport in Kazakhstan. The busiest single destination in passenger numbers is Almaty. Runway The airport resides at an elevation of above mean sea level. The airport has a single active runway in use designated 04/22 with an asphalt/concrete surface measuring . The airport is equipped with a Category IIIA (both directions) Instrument Landing System (ILS) approach to guide landing aircraft safely under very poor weather conditions and also allowing planes to land in low visibility conditions, such as fog. The airport is able to accommodate jets the size of the Il-76, Antonov An-124 Ruslan, and Boeing 747-400F. It can also accept light aircraft and helicopters of all types. Terminals There are separate terminal buildings for domestic and international flights. Both terminals are adjacent, sharing