YUSOSEN!

(SAN PEDRO MARU by Ueda Kihachiro)

IJN SAN PEDRO MARU:
Tabular Record of Movement

© 2008-2015 Bob Hackett and Peter Cundall.

Revision 6


1 November 1926:
Nagasaki. Laid down at Mitsubishi Zosen Kaisha as a 7,268-ton tanker for Mitsubishi Shoji Kaisha.

4 May 1927:
Launched and named SAN PEDRO MARU.

27 June 1927:
Completed.

29 June 1927:
Departs Nagasaki. Assigned to transport petroleum from North America. Departs on her first voyage to Port Costa, San Francisco.

25 May 1928:
Off the Tokuyama fuel depot. Runs aground on a breakwater.

1927-1941:
In Mitsubishi’s service.

5 July 1941:
Departs Keelung.

30 July 1941:
Arrives at Pulau Sambu, Sumatra.

5 August 1941:
Departs Pulau Sambu.

17 August 1941:
Arrives at Kudamatsu.

1 March 1942:
Requisitioned in the IJN as an Ippan Choyosen (General requisitioned Tanker).

6 March 1942:
Departs Kure and later that day arrives at Tokuyama.

9 March 1942:
Departs Tokuyama and later that day arrives at Kure.

11 March 1942:
Departs Kure.

12 March 1942:
Arrives at Mutsure.

17 March 1942:
Arrives at Mako (Pescadores).

20 March 1942:
Departs Mako.

24 March 1942:
Arrives at Kure.

28 March 1942:
Departs Kure.

30 March 1942:
Arrives at Yokkaichi.

10 April 1942:
Departs Yokkaichi.

12 April 1942:
Arrives at Kure.

14 April 1942:
Departs Kure.

17 April 1942:
Arrives at Yokosuka.

23 April 1942:
Departs Yokosuka.

26 April 1942:
Arrives at Kure.

28 April 1942:
Departs Kure.

30 April 1942:
Arrives at Yokkaichi

4 May 1942:
Departs Yokkaichi.

16 May 1942:
Arrives at Mako.

21 May 1942:
Arrives at Mako, then departs for Surabaya, Java and Tarakan, Borneo.

3 June 1942:
At Surabaya bunkers minelayer WAKATAKA, collier ASAKAZE MARU, and light cruiser NATORI.

5 July 1942:
At 1300 sub-chaser CH-3 departs Balikpapan escorting convoy No.005 consisting of KUNISHIMA MARU and SAN PEDRO MARU.

5 July 1942:
S of Palauig, Luzon, Philippines. At about 1000, LtCdr William L. Wright’s (USNA ’25) USS STURGEON (SS-187) fires two torpedoes at SAN PEDRO MARU at 16-07N, 119-13E, but misses.

10 July 1942:
At 1600 arrives at Manila.

17 July 1942:
At the entrance to the Sulu Sea, an unidentified submarine torpedoes SAN PEDRO MARU, but causes little damage.

22 July 1942:
Arrives at Mako.

25 July 1942:
Departs Mako.

3 August 1942:
Returns to Mako then steams to Kudamatsu and Kure.

August 1942:
Kure. Undergoes repairs.

22 September 1942:
Departs Kure.

23 September 1942:
Transits the Bungo Straits heading south.

10 October 1942:
Departs Truk.

20 October 1942:
Arrives at Tarakan.

17 November 1942:
Arrives at Keelung.

22 November 1942:
Departs Keelung.

26 November 1942:
Arrives at Tokuyama.

2 December 1942:
Departs Tokuyama. Joined by subchaser CH-36 off Fukajima and escorted south.

E 3 December 1942:
CH-36 is detached 90 degrees off Toi Misaki.

13 December 1942:
Arrives at Singapore.

17 December 1942:
Departs Singapore.

1 January 1943:
Arrives at Yokohama.

7 January 1943:
Departs Yokohama.

21 January 1943:
Arrives at Palembang, Sumatra.

23 January 1943:
Departs Palembang.

25 January 1943:
Arrives at Singapore.

1 February 1943:
Departs Singapore.

4 February 1943:
Arrives at St. Jacques (near Saigon)

7 February 1943:
Departs St. Jacques.

17 February 1943:
Arrives at Mako.

18 February 1943:
Departs Mako.

24 February 1943:
Arrives at Marifu.

27 February 1943:
Departs Marifu and joins convoy No. 8228 also consisting of KOKURYU, IKOMA, MICHI, MISHIMA, KARYO (CHIALING) MARUs and HAKUTETSU MARU No.15 escorted by patrol boat PB-101.

2 March 1943:
Arrives at Yokohama. Enters dock and undergoes annual service and repairs.

11 April 1943:
Departs Yokohama in convoy No. 7411 also consisting of TOHO, KURETAKE MARUs and OGURA MARU No.2 escorted by auxiliary gunboat KEISHIN MARU from a location around Omaezaki to Tokyo Bay.

13 April 1943:
Arrives at Shimotsu.

15 April 1943:
Departs Shimotsu.

22 April 1943:
Arrives at Takao.

27 April 1943:
Departs Takao.

7 May 1943:
Arrives at Palembang.

9 May 1943:
Departs Palembang.

12 May 1943:
Arives at Singapore.

16 May 1943:
Departs Singapore in Convoy No. 690 also consisting of TATSUWA MARUs and two unidentified merchant ships without escort.

19 May 1943:
Arrives at St. Jacques.

23 May 1943:
Departs St. Jacques.

30 May 1943:
Arrives at Mako.

31 May 1943:
Departs Mako.

5 June 1943:
Arrives at Kudamatsu.

13 June 1943:
Departs Kudamatsu.

21 June 1943:
Ownership is transferred to Mitsubishi Kisen K.K.

15 July 1943:
Departs Singapore in convoy No. 605 lso consisting of TAMAHOKO, GYOSAN, SAMARANG, NICHIWA, KIYO, TACHIBANA MARUs and JUNGEN GO and one other unidentified merchant ship escorted by Vichy French frigate LA PEROUSE.

18 July 1943:
Arrives St Jacques.

3 August 1943:
Arrives at Mutsure.

7 August 1943:
Departs Mutsure.

1 September 1943:
Registered in the IJN as an auxiliary tanker, (Otsu) category under internal order No. 1820 and attached to Kure Naval District with Kure as homeport. Assigned to the Department of the Navy.

6 September 1943:
At 0900, departs Mako in convoy No. 321 also consisting of AWA, KOKUEI, ANYO, CEYLON, SYDNEY, YAMAZURU (YAMATSURU) MARU and tanker KOSHIN MARU and HINO MARU No. 1 escorted by torpedo boat HAYABUSA.

13 September 1943:
Arrives at Saigon.

18 October 1943:
At 1420, departs Moji for Takao transporting 300 cans gasoline in convoy No. 107 also consisting of MURORAN, JINZAN, MANTAI, KENSEI, NITTATSU, NICHINAN, HOKOKU, KOHOKU and SHOEI MARUs, OGURA MARU No. 3 and SHINSEI MARU No. 1 escorted by patrol boat PB-36.

24 October 1943:
Arrives at Takao.

3 December 1943:
Departs Takao for Mutsure in a convoy also consisting of SAN LUIS, MANKO, INARI, KOSHIN (5485 gt), GETSUYO, YUBAE, MYOGI and MURORAN MARUs (and possibly others) with unknown escort.

10 December 1943:
Arrives at Mutsure.

13 December 1943:
Arrives at Osaka.

December 1943:
Osaka. Drydocked at Hitachi’s shipyard.

30 December 1943:
Undocked. At 1200, departs Osaka.

31 December 1943:
Arrives at Moji.

5 January 1944:
Departs Moji for Takao in convoy SA-19 also consisting of cargo ship KUROGANE MARU and tankers MEDAN, KAIKO and CHIYODA MARUs without escort.

9 January 1944:
Arrives at Takao. CHIYODA and SAN PEDRO MARUs are detached from the convoy.

11 January 1944:
Departs Takao.

14 January 1944:
Arrives at Manila.

16 January 1944:
At 1500, departs Manila in convoy No. 3103 also consisting of HAVRE MARU and tankers CHIYODA and RIKKO MARUs escorted by torpedo boat MANAZURU.

21 January 1944:
Arrives at Miri, Borneo where the convoy is dissolved.

26 January 1944:
Departs Miri.

31 January 1944:
Arrives at Manila.

2 February 1944:
Departs Manila.

6 February 1944:
Arrives at Mako.

9 February 1944:
Departs Mako.

13 February 1944:
Arrives at Satsugawa Bay, Amami Oshima.

14 February 1944:
Departs Satsugawa Bay.

17 February 1944:
Arrives at Tokuyama.

22 February 1944:
Departs Tokuyama.

23 February 1944:
Arrives at Moji.

26 February 1944:
Departs Moji in convoy MOTA-06 also consisting of GOZAN, ISHIKARI, NICHIYO, NICHIAN, TOYOKUNI LONDON, DAISEI and SHIRAHAMA MARUs escorted by the kaibokan AWAJI and fleet storeship MUROTO.

29 February 1944:
Anchors off Ssu Chiao Shan.

1 March 1944:
Departs Ssu Chiao Shan.

4 March 1944:
At 1200 arrives at Takao.

11 March 1944:
Departs Takao in convoy TAMA-10 also consisting of MITO, KURAMASAN, ATLAS, ANSHU, BANSHU MARUs and possibly others escorted by auxiliary gunboat SHINKYO MARU and auxiliary subchasers CHa-45, CHa-55, CHa-70, HINODE MARU and MISAGO MARU No. 2.

14 March 1944:
Arrives at Manila.

20 March 1944:
Departs Manila. Removed from the Navy List that same day under internal order No. 464.

25 March 1944:
Arrives at Miri.

30 March 1944:
Departs Miri.

23 April 1944:
Requisitioned again by the IJN as an Ippan Choyosen (B-AO) (general requisitioned tanker) attached to the Kure Naval District with Kure as homeport.

13 June 1944:
Departs Singapore in convoy SHIMA-01 also consisting of tanker MEDAN MARU and five unidentified ships escorted by kaibokan ETOROFU.

22 June 1944:
Arrives at Manila.

24 June 1944:
At 0630, departs Manila for Keelung carrying 12,250 tons of heavy oil and 36 passengers in convoy MATA-23 also consisting of tankers, MEDAN and RIKKO MARUs and cargo ships KAMO, USSURI, NICHIZUI, TASMANIA, KAZAN and TOUN MARUs and six unidentified ships escorted by kaibokan ETOROFU, CD-8 and CD-17.

25 June 1944:
S China Sea, off Cape Bolinao, Luzon. LtCdr (later Captain) Arthur E. Krapf's (USNA ’34) USS JACK (SS-259) attacks the convoy. At 0430, Krapf torpedoes and sinks SAN PEDRO MARU at 16-17N, 119-41E. Eight crewmen, two gunners and 25 passengers are KIA. Escorting aircraft drive off JACK. NICHIZUI MARU rescues survivors.


Author's Notes:

Thanks to Gilbert Casse of France.

- Bob Hackett and Peter Cundall.


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