(NITTEI MARU sister of NIKKOKU MARU, prewar)
IJN NIKKOKU MARU:
Tabular Record of Movement
© 2012 Gilbert Casse, Bob Hackett and Peter Cundall
Innoshima. Laid down by Osaka Iron Works K.K. shipyard as a
2,728-ton cargo ship for Nissan Kisen K.K., Tokyo.
E September 1940:
Launched and named NIKKOKU MARU. 
25 March 1941:
Completed and registered in Tokyo.
10 November 1941:
Registered in the IJN as an auxiliary transport
(Ko) category under internal order No. 1391 and attached to the Maizuru Naval
District with Maizuru as home port. 
11 November 1941:
Formally requisitioned by the IJN.
15 November 1941:
Maizuru. Starts her conversion to an auxiliary
transport at the Navy Yard.
E November 1941:
Tactically assigned to Vice Admiral (later Admiral)
Tsukahara Nishizo’s (36) (former CO of carrier AKAGI) 11th Air Fleet, Supply
Unit also consisting of auxiliary aircraft transports KAMOGAWA, KEIYO and LYONS
MARUs, ammunition ship TATSUGAMI MARU and auxiliary transports NANA and AMAGISAN
MARUs and HINO MARU No. 5.
20 November 1941:
Recalled Captain (Rear Admiral, posthumously) Mori
Ryo (38) is appointed Supervisor.
30 November 1941:
The conversion is completed.
1 December 1941:
E December 1941:
Arrives at Kure. Departs later and heads to southern
13 December 1941:
NIKKOKU MARU runs aground and is stranded off
Samah, Hainan Island, China. 
18 December 1941:
At 1900, strong waves cause the ship to break in two parts and sink. Casualties, if any, are unknown.
15 January 1942:
Removed from the Navy’s list under internal order
 Also known as NICHIKOKU MARU.
 There were two categories of Zatsuyosen. (Ko) category with an IJN
Captain as supervisor aboard and (Otsu) category without.
 According to some sources, the ship was torpedoed and damaged by USS
SWORDFISH (SS-193) but this is clearly an error.
Thanks go to Gengoro S. Toda of Japan.
-Gilbert Casse, Bob Hackett and Peter Cundall
IJN Transports Page