Cognac – Châteaubernard Air Base ( or BA 709) is a base of the French Air Force located in Châteaubernard, 2.8 kilometre south of Cognac. Both locations are communes of the Charente département in the Poitou-Charentes région of France. The base is home to the Ecole de Pilotage de l'Armee de l'Air, the air force initial pilot training school.