Japanese Oilers

YUSOSEN!

(Oiler by Takeshi Yuki scanned from "Color Paintings of Japanese Warships")

IJN SAN PEDRO MARU:
Tabular Record of Movement

© 2008 Bob Hackett and Peter Cundall.

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 an embankment.
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.
November 1941:
Requisitioned by the IJN.
1 March 1942:
Registered in the IJN as a merchant transport (oil supply).
3 April 1942:
Departs Yokkaichi.
16 May 1942:
Arrives at Mako.
21 May 1942:
Arrives at Mako, then departs for Surabaya, Java and Tarakan, Borneo.
5 July 1942:
S of Palauig, Luzon, Philippines. At about 1000, LtCdr William L. Wright’s USS STURGEON (SS-187) fires two torpedoes at SAN PEDRO MARU at 16-07N, 119-13E, but misses.
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.
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.
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
2 March 1943:
Arrives at Yokohama. Enters dock and undergoes annual service and repairs.
11 April 1943:
Departs Yokohama.
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.
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:
At 1100, SAN PEDRO MARU departs an unknown destination (probably St Jacques) in a convoy consisting of tankers KIYO and TACHIBANA MARUs and cargo ship NICHIWA MARU.
18 July 1943:
Arrives at an unknown destination (probably Singapore).
1 September 1943:
Registered as a specially installed transport ship (oil supply) in the Kure Naval District. Assigned to the Department of the Navy.
6 September 1943:
At 0900, SAN PEDRO MARU departs Mako in convoy No. 321 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, SAN PEDRO MARU departs Moji for Takao transporting gasoline in convoy No. 107 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.
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:
SAN PEDRO MARU departs Moji for Takao in convoy SA-19 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, SAN PEDRO MARU departs Manila in convoy No. 3103 consisting of HAVRE MARU and tankers CHIYODA and RIKKO MARUs escorted by torpedo boat MANZURU.
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.
4 March 1944:
Arrives at Takao.
11 March 1944:
SAN PEDRO MARU departs Takao in convoy TAMA-10 consisting of MITO, KURAMASAN, ATLAS, ANSHU, BANSHU MARUs and possibly others escorted by patrol boats PB-45, PB-55 and PB-70, auxiliary gunboat SHINKYO MARU and auxiliary subchasers 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.
25 March 1944:
Arrives at Miri.
30 March 1944:
Departs Miri.
23 April 1944:
Removed from the Navy List and returned to her owners.
13 June 1944:
SAN PEDRO MARU departs Singapore in convoy SHIMA-01 escorting consisting of tanker MEDAN MARU and five unidentified ships escorted by kaibokan ETOROFU.
22 June 1944:
Arrives at Manila.
24 June 1944:
At 0630, SAN PEDRO departs Manila for Keelung carrying 12,250 tons of heavy oil and 36 passengers in convoy MATA-23 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 Arthur E. Krapf's USS JACK (SS-259) attacks the convoy. At 0430, Krapf torpedoes and sinks SAN PEDRO MARU at 16-09N, 119-41E. Escorting aircraft drive off JACK. NICHIZUI MARU rescues survivors.

- Bob Hackett and Peter Cundall.

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