(Type 1B Standard Cargo Ship)
IJA SHIROGANESAN MARU:
Tabular Record of
© 2013 Bob Hackett
Tamano. Laid down at Mitsui Bussan K. K. as yard No. 344, a
4,739-ton Wartime Type 1B Standard Cargo Ship for Mitsui Senpaku K. K., Tokyo
Launched and named SHIROGANESAN MARU. 
16 December 1943:
Requisitioned by the Imperial Army (IJA) and alloted IJA No. 1165.
27 December 1943:
At 0630, SHIROGANESAN MARU departs Saeki in convoy
O-708 also consisting of BOKUYO, HOZUGAWA, KANKYO, MURORAN, OYASHIMA, SHUNKO,
and TATSUMI MARUs escorted by torpedo boat SAGI, minelayer YURIJIMA and auxiliary minesweeper TAMA MARU No. 7.
28 December 1943:
At 2000, YURIJIMA and TAMA MARU No. 7 are detached.
E 4 January 1944:
At 1730, arrives at Palau.
11 January 1944:
SHIROGANESAN MARU departs Palau for Sarmi, New Guinea
in convoy "Independent Sarmi No. 7" also consisting of BRAZIL, KANKYO, KOYU and
MUTSUYO MARUs escorted by subchaser CH-35 and auxiliary subchaser CHa-61.
E 13 January 1944:
CH-35 is detached.
16 January 1944:
Arrives at Wewak, New Guinea.
28 April 1944:
At 1300, SHIROGANESAN MARU departs Takao for Manila in
convoy TAMA-17 also consisting of BELGIUM, KENNICHI, KUROGANE, NISSAN, NITTATSU,
PEKING, SAN LUIS, SHIROTAE, TAKEGAWA, TSUSHIMA, WALES and YAMAHAGI MARUs
escorted by destroyer HARUKAZE, minesweeper W-17 and auxiliary gunboat CHOJUSAN MARU.
29 April 1944:
Destroyer ASAKAZE joins the escort. At 2155, LtCdr
Anton R. Gallaher's (USNA ’33) USS BANG (SS-385) torpedoes and sinks TAKEGAWA
MARU at 19-20N, 118-50E. Seven crewmen are KIA. Also lost are 17 Daihatsu barges and two lighters.
30 April 1944:
At 0430, Gallaher torpedoes and sinks NITTATSU MARU
carrying 250 tons of coal at 19-22N, 118-45E. Four crewmen are KIA.
2 May 1944:
Arrives at Manila.
28 May 1944:
At 1300, SHIROGANESAN MARU departs Manila with auxiliary
netlayer KOREI MARU escorting convoy H-27 consisting of SHINNO, KOHOKU, KOSEI,
MURORAN, TAIYU, TEIYU (ex-Italian CARIGNANO) and JUZAN MARUs escorted by
destroyer TSUGA, patrol boats PB-102 (ex-USS STEWART, DD-224), PB-104 and subchaser CH-38.
3 June 1944:
At 2044, arrives Banka anchorage, NE Celebes.
4 June 1944:
At 0555, departs Banka anchorage.
8 June 1944:
At 1617, arrives Wasile, Halmahera.
11 June 1944:
SHIROGANESAN MARU departs Kau Bay, Halmahera with
escorting convoy H-27 (return) consisting of AKAGISAN, KOAN, SORACHI, YOZAN and
TAIYU MARUs and YOSHIDA MARU No. 3 escorted by destroyer TSUGA, patrol boat
PB-104, subchaser CH-38, auxiliary gunboat KAZAN MARU and auxiliary netlayer KOREI MARU.
12 June 1944:
TSUGA and CH-38 are detached for Davao.
14 June 1944:
At 1003, LtCdr Willard R. Laughon's (USNA ’33) USS
RASHER (SS-269) torpedoes and sinks KOAN MARU at 04-33N, 122-23E. One ship's
gunner and 13 crewmen are killed. The ship’s Captain remained on the bridge as
the ship sank and the fore-post mast pulled him below the surface.
20 June 1944:
At 0925, arrives at Manila.
27 June 1944:
SHIROGANESAN MARU and KENEI, NITTETSU, OEI, TAKETSU
(BUTSU) and YAMAKO (SANKO) MARUs join convoy MI-07 that departed Moji on 11 June
consisting of GYOKUYO, KOKKO, KAKOGAWA, MINO, MYOGI, NISHI (ex-British KALGAN),
OYO, SHINKOKU, TAIKAI and YULIN MARUs and tankers CHIHAYA, RYUSHO, SAKURA, SAN
LUIS and TAIEI MARUs, landing ship KORYU (SS-1) and seven unidentified merchant
ships escorted by destroyer ASAKAZE, kaibokan YASHIRO and auxiliary minesweeper
TAKUNAN MARU No. 3.
At 0600, convoy MI-07 departs Manila for Miri, Borneo.
2 July 1944:
Arrives at Miri.
5 July 1944:
At 0600, SHIROGANESAN MARU departs Miri in convoy
MISHI-04 also consisting of cargo ships GYOKUYO, KENEI and KOKKO MARUs and
SHINSEI MARU No. 17 and tankers SHIMPO MARU and KYOEI MARU No. 8 escorted by
destroyer ASAKAZE and kaibokan YASHIRO.
9 July 1944:
Arrives at Singapore.
2 August 1944:
SHIROGANESAN MARU departs Saigon for Manila in convoy
SAMA-16 also consisting of CHINZEI MARU and an unidentified merchant escorted by
subchasers CH-41 and CH-19. SHIROGANESAN MARU carries 500 tons of ammunition and
5,720 tons of rice.
6 August 1944:
South China Sea. At 0312, LtCdr (later Captain) Henry
G. Munson's (USNA ’32) USS RASHER (SS-269) torpedoes and sinks SHIROGANESAN MARU
at 14-10N, 117-02EBecause of bad weather no boats could be launched. 15
passengers, 14 gunners and 22 crewmen are KIA.
 Also known as SIROGANESAN MARU.
Thanks go to Erich Muehlthaler of Germany.
- Bob Hackett
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