Aeroflot Russian Airlines PJSC AeroflotRussian Airlines (, ), commonly known as Aeroflot ( or ) (, English translation: "air fleet", ), is the flag carrier Following the dissolution of the USSR, the carrier has been transformed from a state-run enterprise into a semi-privatised company which ranked 19th most profitable airline in the world in 2007. This was followed by the formation of Deruluft-Deutsch Russische Luftverkehrs A.G. in Berlin on 11 November 1921, as a joint venture between the Soviet Union and Germany. The company, whose aircraft were registered in both Germany and the Soviet Union, began operations on 1 May 1922 with a Fokker F.III flying between Königsberg and Moscow. Regular flights by Dobrolet from Moscow to Nizhniy Novgorod commenced on 15 July 1923. During the same period, an additional two airlines were established; Zakavia being based in Tiflis, and Ukrvozdukhput based in Kharkov. By 1958 the route network covered, and the airline carried 8,231,500 passengers, and 445,600 tons of mail and freight, with fifteen percent of all-Union services being operated by jet aircraft.