Caproni Ca.3 The Caproni Ca.3 was an Italian heavy bomber of World War I and the postwar era. It was the definitive version of the series of aircraft that began with the Caproni Ca.1 in 1914. The Ca.3 was a three-engined biplane of wooden construction, with a fabric-covered frame. The crew of four were placed in an open central nacelle (front gunner, two pilots and rear gunner-mechanic). The rear gunner manned upper machine guns, standing upon the central engine in a protective “cage” in front of a propeller. The fixed…