(BANSHU MARU, sistership of BANSHU MARU No. 2, prewar – Peter Cundall Collection)
IJN BANSHU MARU No. 2:
Tabular Record of Movement
© 2017 Gilbert Casse, Berend van der Wal and Peter Cundall
26 August 1940:
Osaka. Laid down by Fujinagata Zosensho K.K. shipyard for Hayashikane Shoten K.K. as a 998-tons refrigerated cargo ship.
17 April 1941:
Launched and named BANSHU MARU No. 2.
20 August 1941:
Completed and registered at Shimonoseki.
22 August 1941:
Requisitioned by the IJN.
5 September 1941:
Registered as an auxiliary stores ship attached to the Maizuru Naval District under instruction No. 1025.
Innoshima. Conversion for military duty at Urabe Shipbuilding Iron Works G.K. is completed.
Attached directly to the Combined Fleet as an auxiliary stores ship (Otsu) category. 
12 October 1941:
Departs Yokosuka for the Japanese mandated South Seas Islands.
29 November 1941:
Arrives at Kure.
17 January 1942:
Departs Kure for Tarakan, Borneo, Netherlands East Indies.
21 January 1942:
Provisions auxiliary gunboat KAMITSU MARU with food.
E January 1942:
24 February 1942:
Arrives at Takao, Formosa (now Kaoshiung, Taiwan).
3 March 1942:
E 5 March 1942:
Arrives at Macassar, Celebes (now Sulawesi), Netherlands East Indies.
15 March 1942:
Attached to Southern Army Airforce Commander District Office.
16 March 1942:
Provisions auxiliary gunboat OKUYO MARU with fresh food.
E March 1942:
Departs Macassar for Kupang, Timor, Netherlands East Indies.
1 April 1942:
Assigned to Southern troops air force supply units.
3 April 1942:
6 April 1943:
Arrives at Macassar.
10 April 1942:
Released from Southern troops air force supply units.
6 May 1942:
At Kupang. Provisions auxiliary gunboat MANYO MARU with grain food.
9 May 1942:
At Kupang. Provisions auxiliary gunboat OKUYO MARU with fresh food.
E May 1942:
4 June 1942:
Arrives at Shimonoseki.
E June ~ July 1942:
Under repairs at Sasebo.
15 July 1942:
16 September 1942:
Assigned to torpedo equipment transport mission under secret instruction No. 11672.
13 December 1942:
At Surabaya, Java, Netherlands East Indies. Loads fresh beef and pork from auxiliary stores ship HAKUREI MARU.
24 December 1942:
Sighted and subsequently tracked by Lt.Cdr (later Rear Admiral) W.B. Sieglaff’s (USNA ’31) USS TAUTOG (SS-199) in the Ombai Strait, Netherlands East Indies.
25 December 1942:
15 nautical miles N of Dili, Portuguese Timor. At 0306, Sieglaff makes a submerged attack and fires a spread of three torpedoes. Two hit are scored and BANSHU MARU No. 2 rapidly sinks at 08-40S, 124-30E, about 16 nautical miles NW of Atapapu, Timor with the loss of one crewman.
1 February 1943:
Removed from the Navy’s list under internal instruction No. 108.
 There were two categories of Kyuryosen. (Ko) category with an IJN Captain as supervisor aboard and (Otsu) category without.
Thanks go to Gengoro S. Toda of Japan.
- Gilbert Casse, Berend van der Wal and Peter Cundall.
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