Xi'an Xianyang International Airport

Xi'an Xianyang International Airport carries the IATA code XIY — the three letters printed on boarding passes and baggage tags — and the ICAO code ZLXY, used in flight plans and by air traffic control. It serves Xi'an, China.

IATA codes are assigned by the International Air Transport Association for passenger-facing use; the four-letter ICAO code encodes region and country and belongs to the operational side of aviation.