Golden Ring Yaroslavl International Airport

Golden Ring Yaroslavl International Airport carries the IATA code IAR — the three letters printed on boarding passes and baggage tags — and the ICAO code UUDL, used in flight plans and by air traffic control. It serves Tunoshna, Russia.

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.