OJSC Uzbekistan Airways , operating as National Air Company Uzbekistan Airways (styled as Uzbekistan Airways) is the national airline of Uzbekistan, headquartered in Tashkent. From its hub in Tashkent Airport, the airline serves a number of domestic destinations; the company also flies international services to Asia, Europe and North America. The carrier operates under the IATA airline code HY and the ICAO airline code UZB, while its callsign is UZBEKISTAN.As of October 2011, Uzbekistan Airways is ranked as a 2-star airline by the United Kingdom-based consultancy Skytrax, out of a 5-star ranking.