IJN
Cargo Ship

Tons
1,957

Ship History
This ship was owned prior to the war by Osaka Shoen K. K.

Wartime History
On April 6, 1943 at 1630, convoy "Hansa No. 28" departs Palau for Hansa Bay. It includes: Subchaer CH-26, Subchaer CH-34 destroyers TANIKAZE and AMATSUKAZE and transports: Teiryu Maru, India Maru, Toho Maru, Sydney Maru, Taisei Maru and Taiyu Maru.

On April 12, the convoy arrives at Hansa Bay and is attacked, and the Sydney Maru is lost. The next day at 0900 the remaining convoy depart Hansa Bay. The convoy splits, with Teiryu Maru, Toho Maru and Amatsukaze and CH-34 proceed back to Palau, arriving April 18.

The other ships CH-26, TANIKAZE and Taisei Maru and Taiyu Maru proceeded to Wewak to unload their remaining supplies on April 14. The next day while underway to Palau, the India Maru is sunk. The remainder of the convoy reaches Palau on April 20.

Later, on September 19, 1943 convoy "Wewak No. 9" departs Palau consisting of Subchaser CH-26 and Subchaser CH-32 escorting ADEN, TAISEI and YASUKUNI MARU. They arrive at Wewak on September 23 and begin unloading cargo. The subchaser escorts depart on the 24th for Palau.

Sinking History
On September 27, American B-25 attack and sink the Taisei Maru.

References
Other sources state this ship was sunk off the Schouten Islands

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