IATA Code: DU ICAO Code: HMS Known As: Hemus Air Full Name: Hemus Air Country: Bulgaria Hubs: Sofia Callsign: Hemus Air Web Site: www.hemusair.bg History: Hemus Air was established in 1986 as a subsidiary of Balkan Bulgarian Airlines. In 1991, the airline fully separated from Balkan and was named Hemus Air. It was privatized in 2002.