(Type 1TM Standard Tanker underway)

Tabular Record of Movement

© 2010-2013 Bob Hackett and Peter Cundall.
Revision 2

6 October 1943:
Laid down at Mitsubishi Heavy Industries’ shipyard as a 5,135-ton Type 1TM Standard Tanker for Nitto Kisen Kusagawa Kiyoshi (Nitto Steam Ship Co.), Tokyo.

30 December 1943:
Launched and named SHINEI MARU.

3 February 1944:
Completed. SHINEI MARU is placed under Senpaku Uneikai (Civilian Administration) control and allotted to the Imperial Army with Army No. 5113, later No. 5135.

23 March 1944:
SHINEI MARU departs Moji for Takao in convoy MOTA-13 also consisting of tankers and cargo ships YOKO, HIGANE, BIZEN, SHOKA, MATSUMOTO, PACIFIC, HENGSHAN (KOZAN), YOKO and YULIN MARUs and TOYO MARU No. 2 and YAMAMIZU MARU No. 2 escorted by kaibokan KURAHASHI and subchaser CH-26.

30 March 1944:
Arrives at Takao.

15 April 1944:
Departs Takao.

19 April 1944:
Arrives at Manila.

7 May 1944:
At 1900, SHINEI MARU departs Singapore convoy SHIMI-02 also consisting of tankers EIYO, CHIHAYA, and NICHINAN MARUs and TONAN MARU No. 2 and cargo ships DURBAN, CHINA, FUKUJU and KUNIYAMA MARUs escorted by subchaser CH-19 and minesweeper W-8.

11 May 1944:
Anchors briefly at Cape Kidurang.

12 May 1944:
At 1005, arrives at Miri, Borneo.

24 May 1944:
Departs Manila in convoy MATA-20 also consisting of KUNIYAMA, FUKUJU, TAKETOYO, TENSHIN, CHINA, CHIHAYA, and EIYO MARUs escorted by kaibokan CD- 11, destroyers HARUKAZE and ASAKAZE, and auxiliary gunboats CHOHAKUSAN and TOMITSU MARUs.

28 May 1944:
Arrives at Takao.

30 May 1944:
Departs Takao in convoy TAMO-20 also consisting of TAKETSU (BUTSU), DURBAN, TAKETOYO, FUKUJU, HORAI, KOSHIN, CHIHAYA, EIYO MARUs and fourteen unidentified merchant ships escorted by the destroyers ASAKAZE, HARUKAZE, kaibokan CD-2, gunboat ATAKA and auxiliary gunboat TOMITSU MARU.

5 June 1944:
The convoy arrives at Moji. SHINEI MARU has separated en route.

20 June 1944:
At 1930, SHINEI MARU departs Moji for Singapore in convoy HI-67 also consisting of oilers, OTORISAN, SARAWAK and MIRI MARUs and NICHINAN MARU No. 2 and transports MANJU, NANKAI, KINUGASA, ASAKA, ASAHISAN, GOKOKU and HAKOZAKI MARUs escorted by destroyer KURETAKE, kaibokan KURAHASHI, HIRADO, CD-5 and CD-13, minelayer SHIRATAKA and subchaser CH-61.

E 26 June 1944:
Destroyer ASAGAO and kaibokan CD-2 join the escort of convoy HI-67.

29 June 1944:
LtCdr later Captain) Anton R. Gallaher's (USNA ’33) USS BANG (SS-385) torpedoes and damages MIRI and SARAWAK MARUs at 17-13N. 118-18E. Both tankers are hit in the bow, but each manages to proceed to Manila.

30 June 1944:
The main convoy arrives at Manila. MIRI, SARAWAK, GOKOKU and ASAHISAN MARUs are detached.

3 July 1944:
At 0600, SHINEI MARU departs Manila for Singapore in convoy HI-67 also consisting of tankers OTORISAN, GOKOKU, MIRI, SARAWAK and NICHINAN MARU No. 2 and transports MANJU, NANKAI, KINUGASA, ASAKA and HAKOZAKI MARUs escorted by destroyers ASAGAO and KURETAKE and kaibokan HIRADO, KURAHASHI, CD-2 and CD-13, minelayer SHIRATAKA and subchaser CH-61.

9 July 1944:
Convoy HI-67 arrives at Singapore at 1640.

9 August 1944:
SHINEI MARU departs Manila en route to Takao in convoy MATA-26 also consisting of tanker TAKETSU (BUTSU) MARUs and cargo ships IKOMASAN and ASAKA MARUs together with 17 unidentified ships escorted by kaibokan CD-5, CD-6, CD-9, CD-16, subchaser CH-58 and one unidentified escort.

10 August 1944:
Off Cape Bolinao, NW coast of Luzon, Philippines. At 0940, LtCdr (later Captain) Enrique D. Haskins’ (USNA ’33) USS GUITARRO (SS-363) detects a large unidentified convoy with surface and air escorts coming up from the south along the coastline. At 1029 (H), Haskins maneuvers from beachside and launches four stern torpedoes at a KATORI-class light cruiser and an overlapping merchant ship. Haskins last torpedo hits SHINEI MARU. She explodes and burns as GUITARRO dives to avoid depth charges. SHINEI MARU sinks at 16-15N, 119-45E. Only one crewman is KIA.

USS GUITARRO suffers minor exterior damage and depart the area. [1}

Authors’ Note:
[1] Haskins claimed two hits on the light cruiser, but received no credit post-war. Based on his ID of a “KATORI-class light cruiser”, the convoy may have been HI-70 which departed Singapore for Moji at 2100 on 4 Aug '44 consisting of five tankers and three cargo ships escorted by light cruiser KASHII, escort carrier SHINYO, destroyer SHIMOTSUKI and kaibokan CHIBURI, SADO, CD-13 and CD-19 arriving at Moji at 1430 on 15 Aug '44, but there is no known Japanese documentation of his attack to support this speculation.

Thanks go to Gilbert Casse of France.

- Bob Hackett and Peter Cundall.

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