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fighting ships of the world

IMPERIAL JAPANESE NAVY (JAPAN)

CONVERTED MERCHANT VESSELS

auxiliary submarine chasers of WW II

Kyo Maru 11-go 1942

Shonan Maru 7-go 1942

more than 1000 BRT

Name

Launched // Comm.

Builder

Tonnage, BRT

Dimensions, m

Speed, kts

Engine, Power hp

Armament

Fate

博洋丸 <Hakuyo Maru> 6/8/1929 // 2/1944 Kawasaki 1327 68.5x10.9x6.1   1diesel, 980   sunk 20/3/1944
高征丸 <Kosei Maru> 7/1915 // 2/1943 Henderson 1026 76.3x10.0x5.4   1VTE   returned 3/1945

100 - 1000 BRT

Akakura Maru 5-go (1944, 245, 1/1945 - 1/1945), Ayukawa Maru (1925, 198, 10/1940 - 14/2/1945), Bandai Maru 2-go (1943, 233, 1/1945 - 8/1945), Bandai Maru 3-go (1944, 233, 5/1945 - 13/8/1945), Banshu Maru 53-go (1920, 267, 10/1940 - 30/7/1945), Chokai Maru 7-go (1944, 233, 5/1945 - 8/1945), Chokai Maru 8-go (1943, 238, 6/1945 - 8/1945), Chokai Maru 9-go (1943, 239, 6/1945 - 8/1945), Daiko Maru (1941, 897, 2/1943 - 4/7/1944), Daito Maru 1-go (1907, 109, 2/1942 - 8/1945), Ebisu Maru (1919, 175, 1/1945 - 8/1945), Eifu Maru (1923, 216, 2/1944 - 12/9/1944), Fuji Maru (1932, 703, 12/1942 - 25/3/1945), Fukugawa Maru 7-go (1944, 270, 6/1945 - 31/8/1945), Fukushima Maru (, 109, 2/1942 - 18/4/1945), Fumi Maru (1938, 359, 9/1941 - 8/1945), Fumi Maru 3-go (1940, 369, 8/1941 - 30/1/1944), Fuyo Maru (1922, 216, 2/1944 - 8/1945), Ganjitsu Maru 1-go (1926, 216, 10/1940 - 14/1/1943), Geiyo Maru (1912, 199, 2/1942 - 8/8/1945), Giso Maru 3-go (1943, 228, 6/1945 - 8/1945), Giso maru 8-go (1944, 228, 5/1945 - 8/1945), Giso Maru 12-go (1943, 238, 5/1945 - 8/1945), Giso Maru 15-go (1944, 237, 5/1945 - 8/1945), Giso Maru 16-go (1944, 237, 5/1945 - 8/1945), Giso Maru 40-go (1943, 273, 6/1945 - 27/7/1945), Hakusan Maru 2-go (1935, 100, 2/1944 - 16/6/1945), Hakushu Maru (1938, 218, 1/1945 - 8/1945), Hakuyo Maru (, 219, 5/1944 - 11/1/1945), Hayatomo Maru (1924, 697, 12/1942 - 8/1945), Hino Maru 13-go (, 250, 1/1945 - 8/1945), Hino Maru 14-go (, 250, 1/1945 - 8/1945), Hino Maru 23-go (, 250, 1/1945 - 8/1945), Hino Maru 24-go (1944, 240, 1/1945 - 5/1945), Hino Maru 25-go (1944, 247, 1/1945 - 5/8/1945), Hino Maru 31-go (, 240, 1/1945 - 5/1945), Hino Maru 32-go (, 240, 1/1945 - 5/1945), Hino Maru 43-go (, 258, 1/1945 - 7/6/1945), Hino Maru 48-go (, 250, 1/1945 - 5/1945), Hino Maru 62-go (, 240, 1/1945 - 8/1945), Hino Maru 63-go (, 250, 1/1945 - 8/1945), Hinode Maru 15-go (1920, 220, 12/1943 - 14/9/1944), Kaijo Maru 7-go (1917, 174, 1/1945 - 8/1945), Kaiko Maru (1921, 233, 2/1944 - 13/4/1945), Kainan Maru (1939, 524, 7/1943 - 21/3/1945), Kaiun Maru (1912, 135, 12/1943 - 8/1945), Kamo Maru (1920, 234, 2/1944 - 18/7/1944), Kamui Maru 4-go (1944, 248, 5/1945 - 8/1945), Kamui Maru 7-go (1944, 238, 6/1945 - 8/1945), Kamui Maru 8-go (1944, 260, 6/1945 - 8/1945), Kamui Maru 9-go (1944, 238, 1/1945 - 20/8/1945), Kasuga Maru (1920, 219, 2/1944 - 5/3/1945), Keizan Maru 1-go (1944, 260, 6/1945 - 8/1945), Keizan Maru 6-go (1944, 248, 1/1945 - 21/8/1945), Keyzan Maru 7-go (1944, 233, 1/1945 - 8/1945), Keizan Maru 8-go (1944, 248, 1/1945 - 8/1945), Kiku Maru (1920, 233, 2/1944 - 4/3/1945), Kiri Maru 2-go (1944, 272, 6/1945 - 8/1945), Kiri Maru 3-go (1944, 261, 5/1945 - 8/1945), Kiyo Maru (1929, 127, 1/1944 - 19/3/1945), Kojin Maru 5-go (1944, 251, 6/1945 - 8/1945), Kochi Maru (1938, 199, 1/1944 - 8/1945), Kunimi Maru 8-go (1944, 248, 5/1945 - 8/1945), Kurama Maru (1921, 233, 2/1944 - 8/7/1944), Kyo Maru 2-go (1938, 340, 12/1940 - 7/8/1944), Kyo Maru 6-go (1938, 340, 9/1941 - 27/11/1943), Kyo Maru 7-go (1938, 340, 9/1941 - 26/12/1944), Kyo Maru 8-go (1938, 340, 9/1941 - 23/2/1944), Kyo Maru 10-go (1938, 340, 9/1941 - 23/2/1944), Kyo Maru 11-go (1938, 385, 10/1940 - 2/3/1942), Kyo Maru 12-go (1940, 194, 5/1941 - 12/9/1944), Kyo Maru 13-go (1940, 340, 5/1941 - 26/1/1945), Miikesan Maru 12-go (1941, 182, 1/1945 - 8/1945), Misago Maru (1931, 154, 2/1944 - 13/8/1944), Misago Maru 2-go (1920, 265, 12/1943 - 2/9/1944), Miyatake Maru 5-go (1939, 153, 1/1945 - 25/1/1945), Mogami Maru (1940, 498, 12/1943 - 12/9/1944), Myoken Maru (1931, 173, 1/1945 - 12/6/1945), Nagato Maru (1936, 279, 12/1940 - 10/10/1944), Nanho Maru (1938, 122, 5/1944 - 31/3/1945), Nunobiki Maru (1920, 219, 2/1944 - 8/1945), Oi Maru (1939, 396, 5/1944 - 10/6/1944), Ryojun Maru (1926, 123, 2/1944 - 26/7/1944), Seki Maru 2-go (1938, 359, 9/1941 - 8/1945), Senga Maru 3-go (1918, 169, 1/1945 - 5/1945), Shinan Maru (1935, 111, 5/1944 - 30/3/1945), Shinyo Maru (1937, 235, 2/1944 - 4/1944), Shirogami Maru 9-go (1944, 238, 1/1945 - 8/1945), Shodoshimasan Maru (1944, 256, 6/1945 - 8/1945), Shonan Maru 1-go (1938, 350, 9/1941 - 15/4/1945), Shonan Maru 2-go (1938, 350, 9/1941 - 8/1945), Shonan Maru 3-go (1938, 350, 8/1941 - 20/6/1944), Shonan Maru 5-go (1938, 350, 9/1941 - 23/8/1944), Shonan Maru 6-go (1938, 355, 9/1941 - 30/1/1944), Shonan Maru 7-go (1938, 355, 10/1941 - 21/5/1944), Shonan Maru 8-go (1938, 355, 12/1941 - 8/1945), Shonan Maru 10-go (1938, 350, 8/1941 - 1/2/1942), Shonan Maru 11-go (1938, 350, 8/1941 - 8/1945), Shonan Maru 12-go (1939, 355, 10/1941 - 30/4/1943), Shonan Maru 15-go (1939, 355, 9/1941 - 17/2/1944), Shonan Maru 17-go (1940, 355, 12/1940 - 8/1945), Shoho Maru (1927, 176, 2/1944 - 28/6/1944), Showa Maru (1928, 187, 10/1940 - 25/9/1944), Showa Maru 2-go (1930, 194, 12/1940 - 29/3/1945), Showa Maru 3-go (1926, 222, 10/1940 - 26/7/1944), Showa Maru 5-go (1924, 219, 10/1940 - 25/7/1944), Showa Maru 6-go (1925, 217, 12/1940 - 6/8/1943), Shukusei Maru (, 470, 7/1943 - 8/1945), Tahei Maru 2-go (1943, 247, 5/1945 - 8/1945), Tahei Maru 4-go (1943, 248, 5/1945 - 8/1945), Tahei Maru 5-go (1943, 247, 6/1945 - 8/1945), Tahei Maru 6-go (1944, 248, 5/1945 - 9/8/1945), Tahei maru 7-go (1943, 248, 5/1945 - 13/8/1945), Taihei Maru 1-go (1943, 247, 1/1945 - 8/1945), Takakura Maru 3-go (1944, 238, 5/1945 - 8/1945), Takao Maru (1930, 189, 5/1944 - 12/9/1944), Takunan Maru 2-go (1937, 343, 9/1941 - 8/1945), Takunan Maru 3-go (1937, 343, 5/1944 - 8/1945), Takunan Maru 5-go (1937, 343, 12/1940 - 8/1945), Takunan Maru 6-go (1937, 343, 8/1940 - 10/8/1945), Takunan Maru 7-go (1937, 343, 8/1940 - 5/12/1943), Takunan Maru 8-go (1937, 343, 5/1944 - 8/1945), Takunan Maru 10-go (1937, 343, 12/1941 - 30/1/1945), Tama Maru (1939, 396, 5/1944 - 8/4/1945), Tama Maru 6-go (1936, 275, 5/1944 - 9/8/1944), Tama Maru 7-go (1936, 275, 5/1944 - 18/6/1944), Tama Maru 8-go (1936, 279, 8/1940 - 22/2/1944), Tatsutaka Maru 35-go (1944, 255, 6/1945 - 8/1945), Tatsutaka Maru 61-go (1944, 262, 5/1945 - 8/1945), Terukaze Maru (1936, 259, 12/1943 - 4/11/1944), Tokachi Maru (1940, 498, 12/1943 - 4/5/1945), Tonan Maru (1927, 100, 12/1943 - 24/7/1944), Toshi Maru 3-go (1937, 298, 8/1940 - 8/1945), Ujina Maru (1920, 227, 2/1944 - 5/3/1945), Uruppu Maru (1926, 224, 2/1944 - 31/10/1944), Yatsushiro Maru (1930, 397, 12/1943 - 14/3/1945), Yusen Maru 11-go (, 245, 1/1945 - 5/3/1945), Yusen Maru 22-go (, 245, 6/1945 - 29/6/1945), Yusen Maru 26-go (1944, 260, 6/1945 - 8/1945), Yusen Maru 27-go (, 250, 1/1945 - 27/3/1945), Yusen Maru 31-go (, 245, 1/1945 - 27/4/1945), Yusen Maru 34-go (1944, 246, 5/1945 - 18/9/1945), Yusen Maru 41-go (, 252, 5/1945 - 26/7/1945), Yusen Maru 42-go (1944, 260, 5/1945 - 8/1945), Yusho Maru 10-go (1941, 184, 2/1944 - 8/1945), Zao Maru 1-go (1943, 247, 6/1945 - 8/1945), Zao Maru 2-go (6/1945 - 8/1945), Zao Maru 8-go (6/1945 - 9/8/1945), Zao Maru 9-go (1943, 247, 5/1945 - 8/1945), Zuiho Maru (1930, 183, 6/1944 - 8/1945), Zuiyo Maru (1937, 129, 2/1944 - 8/1945)

Ship project history: Commercial vessels, converted to submarine chasers. There were mostly former whalers and trawlers.

 

Modernizations: None.

 

Fate Notes: No significant events.

 

Ivan Gogin, 2008-14