Belgrade (Beograd / Београд, meaning "White city",; names in other languages) is the capital and largest city of Serbia.
A biplane is a fixed-wing aircraft with two main wings stacked one above the other.
Bucharest (București) is the capital and largest city of Romania, as well as its cultural, industrial, and financial centre.
The Société des Avions Caudron was a French aircraft company founded in 1909 by brothers Gaston Caudron (1882-1915) and René Caudron (1884-1959).
CFRNA ("The French-Romanian Company for Air Transport"; Compagnie franco-roumaine de navigation aérienne; Compania franco-română de navigație aeriană), later CIDNA ("The International Air Navigation Company"; Compagnie internationale de navigation aérienne) was a French-Romanian airline, founded on January 1, 1920.
France, officially the French Republic (République française), is a sovereign state whose territory consists of metropolitan France in Western Europe, as well as several overseas regions and territories.
Landing gear is the undercarriage of an aircraft or spacecraft and may be used for either takeoff or landing.
The Salmson water-cooled aero-engines, produced in France by Société des Moteurs Salmson from 1908 until 1920, were a series of pioneering aero-engines: unusually combining water-cooling with the radial arrangement of their cylinders.