KOSEKI UMPANSEN
(HONAN MARU)
KOKKO MARU:
Tabular Record of Movement
© 2011-2013 Bob Hackett
E 1942:
Tsurumi, Yokohama. Laid down at Nippon Kokan K. K. as a 5, 486-ton
Type 1K Standard Merchant ore carrier for Kokusai Kisen K.K., Tokyo
1943:
Launched and named KOKKO MARU.
May 1943:
Completed.
E August 1943:
KOKKO MARU departs Yulin, Hainan Island, China
carrying 8,500 tons of iron ore.
13 August 1943:
At 1240, convoy No. 315 departs Mako, Pescadores for
Saigon, Indochina consisting of KOKKO, SUEZ, TOSAN, BISAN, SUNGSHAN (SUZAN),
BELGIUM, CHINKO, NIKKO, RISSHUN, CHILE, JAMBI, SEISHIN and WALES MARUs escorted
by patrol boat PB-36.
15 August 1943:
At 0500, KOKKO MARUs is detached for Keelung. WALES
MARU is detached for Hong Kong.
29 August 1943:
KOKKO MARU departs Mako, Pescadores for Yawata via
Moji in an unidentified convoy consisting of DURBAN, FUSEI, BANSHU, HARUSHIMA
MARU plus an unidentified ship escorted by torpedo boat SAGI.
31 August 1943:
East China Sea. At about 1010, LtCdr Royce L. Gross’
(USNA ‘30) USS SEAWOLF (SS-197) fires four torpedoes from periscope depth and
gets two hits that sink KOKKO MARU at 28-30N-123-06E. 20 crewmen are KIA.
- Bob Hackett
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