An item reported that the Japanese navy bought the year before a complete metal-built long distance reconnaissance flying boat from the British firm Short. In begin 1931 was this plane delivered and some successful trials executed. She was fitted outh with 3x825hp Rolls Royce engines. Although it seemed to be the largest metal war aircraft in the world although no further details were supplied. The Japanese company Kawanisi Aircraft Co. of Kobe purchased the licence for his mode. In the past she already other licenses for Short flying boats.