NAV Portugal is the national Air Navigation Service Provider responsible for providing air traffic management and aeronautical information services within the Portuguese national airspace, as well as in the international airspace for which Portugal is responsible.
AERONAUTICAL_INFORMATION_SERVICE_PROVIDER
ENAV SPA is the Italian Air Navigation Service Provider (ANSP), responsible for delivering civil air traffic management services across the Italian airspace. It operates as a public joint‑stock company, majority‑owned by the Ministry of Economy and Finance and listed on the Milan Stock Exchange since 2016.
Bulgarian Air Traffic Services Authority (BULATSA) is a legal entity, a state enterprise in the meaning of Art. 62, paragraph 3 of the Commerce Act, with seat in Sofia. BULATSA holds a license to provide air navigation services and performs state functions for provision of air navigation services in the serviced civil airspace of the Republic of Bulgaria, in conformity with the Civil Aviation Act, the ratified international agreements in the field of civil aviation, to which the Republic of Bulgaria is a party, and the applicable regulations of the European Union.