Christchurch Airport consists of a single terminal which caters for both domestic and international flights. It is situated at the intersection of the two sealed runways. The main terminal building contains a combined check-in hall for both domestic and international flights. It has 58 check-in counters, in addition to self-service check-in kiosks. A common baggage claim hall is also located on the ground floor.[19] There is a large retail area on the first floor, with many food and retail outlets as well as waiting areas. A major feature of the terminal is a $15 million state-of-the-art baggage handling system, which is 750 metres long.[20] The airport has 33 gates in total. The regional wing is located in the south-west of the terminal, and handles all Air New Zealand Link turboprop flights. It has 12 gates, numbered 3-14. The central zone handles mainline Air New Zealand and Jetstar domestic services and has eight gates (15-22); all (except Gate 15, which can be shared with turboprops) are equipped with jetbridges. The international wing is located in the north-east section of the terminal and has 12 gates (24-35), all except 31 and 33 have jetbridges. Gates 21/24 and 22/25 are shared swing gates which can be used for domestic or international flights as the need arises.