The was a class of motor gunboat of the Imperial Japanese Navy, serving from the 1930s to World War II. The IJN official designation was .JACAR C05034620500, p. 1
Background In 1934, Manchukuo ordered four gunboats from Japan. The IJN established to educate themJACAR C05035340800 and built two 30-ton motor gunboat Kozakura and Hakubai. In 1939, Kozakura and Hakubai which finished a duties and transferred to Manchukuo Imperial Navy, and the IJN withdrew from Manchukuo.
Ships in class ShipJACAR C05034912100 Laid down Launched Completed Fate 30 April 1935 25 July 1935 25 August 1935 Harima's yard number # 217. Transferred to Manchukuo and renamed Hai Tien (海天) on 25 February 1939; survived war; whereabouts after that has been unknown. 30 April 1935 25 July 1935 25 August 1935 Harima's yard number # 218. Transferred to Manchukuo and renamed Hai Yang (海陽) on 25 February 1939; out of service in wartime.
Footnotes
Bibliography The Maru Special, Japanese Naval Vessels No.53, Japanese support vessels, (Japan), July 1981 50 year History of Harima Zōsen, Harima Zōsen Corporation, November 1960 , National Archives of Japan Reference code: C05034350900, No. 3814, 1935 September 13, Exhausting Arms supply of constant outside Extraordinary Navy Defense Corps Reference code: C05034620500, No.3118 July 19, 1935 Sending of 30-ton Traffic Boat's Weapons for Naval Department Stationed in Manchuria by Special Service Vessel Service on Consignment Reference code: C05034912100, No.1621 April 7, 1936 Cooking Rooms Reform of Launches Kozakura and Hakubai Reference code: C05035340800, Naval Department in Manchuria Confidential No.6 October 30, 1936 Progression Outline, Achievement and Remarks for Communication Drill Implemented in Fiscal Year 1936 August