Fraport Twin Star Airport Management AD is the German-Bulgarian company awarded the 35-year concession for operating Burgas (BOJ) and Varna (VAR) airports. Fraport holds a majority 60-percent share in the joint company. In particular, Twin Star is responsible for operating, managing and developing these two Black Sea 24-hour gateways: VAR serving the northeast and BOJ the southwest of Bulgaria. Tasks include training and improving employee qualification and expertise, enhancing service quality and the overall passenger experience, upgrading airport equipment and introducing new technologies, as well as modernizing and expanding infrastructure. The Aviation Training Center of the company was created in 2009 and is officially licensed by the Civil Aviation Authorities of Bulgaria in 2017, which guarantees the high quality and standards of the training courses. The training center provides more than 40 training programmes in the aviation sector, corresponding to the requirements of the aviation industry and national and international aviation legislation.