Reference

The Mitsubishi Ki-30 (九七式軽爆撃機, Kyunana-shiki keibakugekiki?) was a Japanese light bomber of World War II. The Ki-30 was developed in response to a May 1936 Imperial Japanese Army specification to replace the Kawasaki Ki-3 light bomber with a completely indigenously designed and built aircraft. Japanese Army Air Force Mitsubishi Ki-30 (Allied code name “Ann”) bombers flying over the main line on Bataan in 1942. The Ki-30s were first used in combat in Second Sino-Japanese War from spring 1938.

The Allied codename 'Ann' was allocated to the Ki-30, but few were seen operationally after the opening phases of the war. A total of 704 had been built when production ended in 1941, 68 manufactured by the First Army Air Arsenal at Tachikawa, and many of these ended their days in a kamikaze role during the closing stages of the war.

The Ki-30 was developed in response to a May 1936 Imperial Japanese Army specification to replace the Kawasaki Ki-3 light bomber with a completely indigenously designed and built aircraft. The second prototype's top speed of 423 km/h (263 mph) at 4,000 m (13,130 ft) led the Imperial Japanese Army Air Force to place an order for 16 service trials machines. Japanese Army Air Force Mitsubishi Ki-30 (Allied code name "Ann") bombers flying over the main line on Bataan in 1942. From late 1940, the Ki-30 was in service with the Royal Thai Air Force, and saw combat in January 1941 against the French in French Indochina in the French-Thai War. 24 aircraft were delivered, and were nicknamed Nagoya by the crews.[7] Additional Ki-30s were transferred from Japan in 1942.