YUSOSEN!

(A wartime Standard Type 1TL tanker)

IJN KYOKUHO MARU:
Tabular Record of Movement

© 2011 Bob Hackett


4 June 1943:
Kobe. Laid down at Kawasaki Shipbuilding as a 10,059-ton Type 1TL Standard Merchant Tanker for Iino Shoji Kisen Kaisha, K. K. of Fuchu.

11 November 1943:
Launched and named KYOKUHO MARU.

27 January 1944:
Completed.

21 February 1944:
At 0700, departs Moji in convoy HI-47 also consisting of oilers AMATSU, OMINESAN and OTOWASAN MARUs and NOSHIRO MARU escorted by kaibokan ETOROFU and SADO.

26 February 1944:
At 0850, the convoy arrives at Takao, Formosa.

28 February 1944:
Kaibokan SADO is detached from the convoy and returns to Takao.

29 February 1944:
At 2100, the convoy departs Takao.

4 March 1944:
South China Sea, about 300 miles W of Miri, Borneo. At dawn, LtCdr Charles M. Henderson's USS BLUEFISH (SS-222) torpedoes and sinks OMINESAN MARU in shallow water at 05-29N, 108-46E. KYOKUHO MARU is detached for Cap St. Jacques, Indochina.

5 March 1944:
Arrives at Cap St. Jacques. At 1100, the remainder of the convoy arrives at Singapore.

7 March 1944:
KYOKUHO MARU departs Cap St. Jacques.

10 March 1944:
Arrives at Singapore.

29 March 1944:
At 0950, departs Singapore in convoy HI-54 also consisting of NANKAI, ARIMASAN and MIRI MARUs escorted by kaibokan AWAJI.

31 March 1944:
Arrives and anchors at Cap St. Jacques.

1 April 1944:
Owner Iino Kaiun Kaisha, K. K. shifts to Tokyo.

11 April 1944:
Cap St. Jacques. Convoy HI-54 is joined by convoy HI-56. Convoy HI-54 is dissolved. Convoy HI-56 now consists of KYOKUHO MARU and tanker MIRI MARU and transport/cargo liners NANKAI and ARIMASAN MARUs escorted by kaibokan AWAJI and subchaser CH-7.

14 April 1944:
At 0800, reconstituted convoy HI-56 departs Cap St. Jacques for Takao.

19 April 1944:
Arrives at Takao.

14 April 1944:
At 1930, arrives at Moji.

24 April 1944:
Arrives at Mutsure Island.

25 April 1944:
Departs Mutsure Island.

26 April 1944:
Arrives at Kure.

28 April 1944:
Departs Kure and later that day arrives at Kobe.

9 May 1944:
Registered as an auxiliary transport (oil supply) in the Kure Naval District of the Combined Fleet.

11 May 1944:
Departs Kobe.

12 May 1944:
Arrives at Moji. That same day, KYOKUHO MARU is requisitioned by the IJN.

13 May 1944:
At 0400, departs Moji for Singapore in convoy HI-63 also consisting of tankers, SANYO, RYOEI and OTOWASAN MARUs, passenger-cargo AWA, SANUKI, TEIA (ex-Vichy French liner ARAMIS), IJA landing craft depot ships TAMATSU and KIBITSU MARUs and USSURI and NISSHO MARUs escorted by kaibokan MATSUWA, IKI, CD-9 and CD-15. SANUKI MARU and other transports, except TAMATSU, KIBITSU and NISSHO MARUs, carry troops bound for Burma.

18 May 1944:
At 1800, arrives at Manila. TAMATSU, KIBITSU and NISSHO MARUs are detached.

20 May 1944:
At 2000, the remaining eight ships in HI-63 depart Manila for Singapore with the same escort.

24 May 1944:
LtCdr James W. Davis' USS RATON (SS-270) attacks the convoy. In a series of attacks, Davis torpedoes and sinks kaibokan IKI and lightly damages MATSUWA MARU. The rest of HI-63 escapes unscathed.

27 May 1944:
At 2000, arrives at Singapore.

1 June 1944:
Departs Singapore and arrives at Pulau Bukum island.

3 June 1944:
Departs Pulau Bukum.

7 June 1944:
Arrives at Balikpapan, Borneo.

14 June 1944:
Departs Balikpapan.

18 June 1944:
Arrives at Arrives at Kanaru Bay, NEI.

21 June 1944:
Departs Kanaru Bay.

22 June 1944:
KYOKUHO MARU breaks down. 1TL Tanker OKIKAWA MARU begins towing preparations, but discontinues them because of possible enemy attack.

23 June 1944:
Arrives at an unidentified location in the Philippines.

12 August 1944:
Departs.

13 August 1944:
Arrives at Manila, Philippines.

14 August 1944:
Departs Manila and arrives at an unidentified location off Borneo. Departs the next day.

17 August 1944:
Arrives at Miri, Borneo.

20 August 1944:
Departs Miri.

23 August 1944:
Arrives at Manila.

25 August 1944:
At 1650, KYOKUHO MARU joins convoy HI-71 and departs Manila, Philippines with AZUSA, KYOKUTO, HOKKAI, ZUIHO and AWA MARUs escorted by destroyer FUJINAMI, kaibokan HIRADO, KURAHASHI, MIKURA, CD-11 and subchaser CH-28. Later at 1845, KYOKUHO MARU develops engine trouble and drops behind escorted by FUJINAMI. Later, they catch up with the convoy.

27 August 1944:
At 1845, KYOKUHO MARU suffers a system breakdown and falls out of the convoy.

29 August 1944:
Arrives at Miri.

1 September 1944:
At 1356, arrives at Singapore.

9 September 1944:
At 0722, departs Miri with tanker KYOKUTO MARU escorted by destroyer SATSUKI and subchasers CH-28, CH-30 and CH-33. KYOKUHO MARU is carrying 15,000-tons of heavy oil and 68 infantrymen of the IJAís 112th Regiment. Shortly after leaving port, KYOKUHO MARU has engine problems and returns.

15 September 1944:
At 1500, departs Miri for Manila in convoy MIMA-11 also consisting of fleet oiler KAMOI and TACHIBANA, URAL, YAMAMIZU No. 2, SHIKISAN, HOKKI, ZUIYO, TATSUHARU, TENSHIN, SHOEI, OMINE, KYOEI and IMAHARU (ex-Dutch De KLERK) MARUs and SHINSEI MARU No. 1 and KYOEI MARU No. 6 escorted by kaibokan CD-8, CD-25, CD-28 and CD-32. The convoy hugs the coast calling at various small anchorages.

17 September 1944:
Departs Guimaras Bay, Philippines. That same day, arrives at White Rocks Bay.

18 September 1944:
Departs White Rocks Bay. That same day, arrives off Tarahican Island, Philippines.

19 September 1944:
Departs Tarahican Island. That same day, arrives at Eran Bay, Palawan island, Philippines.

20 September 1944:
Departs Eran Bay. That same day, arrives at St. Paulís Bay.

21 September 1944:
Departs St Paulís Bay. That same day, arrives at Bacuit Bay, Palawan Island.

24 September 1944:
Departs Bacuit Bay, but later returns.

25 September 1944:
At 0845, convoy MIMA-11 departs Bacuit Bay for Manila. It now consists of KYOKUHO, TACHIBANA, URAL, YAMAMIZU No. 2, OMINE and ZUIYO MARUs and four escorts. KAMOI probably rejoins the convoy enroute. Because of the air attacks on Manila, the convoy is redirected to Takao. Some ships return to Bacuit Bay.

27 September 1944:
At 0807, Cdr (later Rear Admiral) Rueben T. Whitaker's USS FLASHER (SS-249) torpedoes and sinks URAL MARU at 15-32N, 117-16E. Two hours later, LtCdr Donald G. Baer's LAPON (SS-260) torpedoes and sinks HOKKI MARU at 15-50N, 117-41E.

28 September 1944:
At 1000, the convoy arrives at Santa Cruz, Philippines.

1 October 1944:
At 0700, convoy MIMA-11 departs Santa Cruz for Takao. At 1100, LtCdr William C. Thompson's USS CABRILLA (SS-288) torpedoes and sinks ZUIYO MARU. At 1155, Thompson also torpedoes and sinks KYOKUHO MARU at 16-11N, 119-44E. 66 crewmen, 9 gunners and 43 soldiers are KIA.

10 December 1944:
Removed from the Navy List.


Authors' Notes:
Thanks go to Peter Cundall of Australia.

- Bob Hackett


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