Cognac-Châteaubernard Air Base (BA 709) is a French military airfield located near the town of Cognac in the Charente department of southwestern France. It serves primarily as a training installation for the French Air and Space Force, hosting pilot training programs and flight schools. The base has a limited civilian component, holding the IATA code CNG, but regular commercial passenger services are minimal or absent. Its primary mission remains military aviation training, making it one of France's key pilot instruction facilities. Surrounded by the world-famous Cognac brandy-producing region, the airfield occupies a strategically useful location in western France, with relatively favorable flying conditions conducive to training operations.