ZATSUYOSEN!

(KIRI MARU No. 8 sistership of SHINKO MARU No. 1 GO, drawing – Peter Cundall Collection)

IJN SHINKO MARU No. 1 GO:
Tabular Record of Movement


© 2015 Gilbert Casse and Peter Cundall


E 1938:
Osaka. Laid down by Sanoyasu Zosensho K.K. shipyard for Marui Kisen K.K. as a 934-tons cargo ship.

15 April 1938:
Launched and named SHINKO MARU.

29 June 1938:
Completed and registered at Shikama, Hyogo Prefecture.

23 October 1938:
Requisitioned by the IJN as a general requisitioned transport.

16 November 1938:
Registered in the IJN as an auxiliary gunboat attached to the Kure Naval District under Navy’s instruction No. 962-23. Reserve Lt Iwata Shinichi assumes command.

18 November 1938:
Assigned to the 4th Gunboat Division under Navy’s instruction No. 963.

28 November 1938:
Departs Kure.

25 March 1939:
Departs Anqing, Yangtze River, China.

April 1939:
Rated as gunboat No. 44.

15 May 1939:
Reserve Lt(jg) Ichinose Shiro assumes command.

30 May 1939:
Between Jiujiang and Hagi port, China. Transfers one passenger to auxiliary minesweeper tender NIPPONKAI MARU.

6 July 1939:
Arrives at Jiangyin, Yangtze River, China.

7 July 1939:
Departs Jiangyin and arrives back there later in the day. Departs later.

14 September 1939:
Arrives at Nanking, China.

19 October 1939:
Departs Hagi Port, China.

15 November 1939:
Assigned to the 14th Gunboat Division under Navy’s instruction No. 850.

November 1939:
Rated as gunboat No. 144.

1 May 1940:
Departs medium China waters.

15 November 1940:
Assigned to the 14th Gunboat Division under Navy’s instruction No. 837.

22 August 1941:
Reserve LtCdr Niki Kozo assumes command.

15 October 1941:
Renamed SHINKO MARU No. 1 GO under Navy’s secret instruction No. 9524. Assigned to Vice Admiral Makita Kakusaburo’s (38) Shanghai Special Base Force in Captain (later Rear Admiral) Ohashi Tatsuo’s (40) 14th Gunboat Division also consisting of auxiliary gunboats TOSHO MARU and NISSHO MARU No. 2 under Navy’s instruction No. 1250.

3 December 1941:
Departs Shipu, China. Engages in gunnery drill, each gun firing five shots. Arrives back at Shipu later in the day.

4 December 1941:
Loads drinking water from IJA transport DAINICHI MARU and later from lighter TOYOKUNI MARU.

6 December 1941:
Departs Shipu.

8 December 1941:
Seizes British ship CHEKIANG (ZHEJIANG) at position 28-32N, 122-30E. Arrives at Taichow (now Taizhou) Islands, China. Assigned that same day to Shanghai District, 8th Vigilance Unit under telegram No. 153.

9 December 1941:
Departs Taichow Islands and arrives at Shipu later that day. Hands over CHEKIANG (ZHEJIANG) to auxiliary gunboat NISSHO MARU No. 12. Departs there and arrives back at Taichow Islands later in the day. Seizes British tug MARIE MOLLER (later KYOKKO MARU) towing barge AUTUMNLIGHT.

10 December 1941:
Departs Taichow Islands. Hands over MARIE MOLLER and AUTUMNLIGHT to auxiliary gunboat DAIGEN MARU No. 7. Seized British cargo ship MARY MOLLER (later KAIKO MARU) is handed over by DAIGEN MARU No. 7 and both ships arrive at Fu Du Waterways, China later in the day.

11 December 1941:
Departs Fu Du Waterways still escorting MARY MOLLER. Both ships arrive at Dinghai, China later in the day where MARY MOLLER is delivered to Japanese forces in port. Fresh food supplied by lighter SENSHO MARU and fresh water supplied by lighter YORUZAKAME MARU.

13 December 1941:
Loads 32-tons of fuel and 13-tons of fresh water from lighter KORYU MARU.

14 December 1941:
Departs Dinghai and arrives at Taichow Islands later that same day.

15 December 1941:
Departs Taichow Islands on gunnery drill and arrives at Zhuyu (Bamboo Island), China later that day.

16 December 1941:
Departs Zhuyu. At 1530, joins a convoy consisting of IJA transports TEIYO (ex-German SAARLAND) and HIBURI MARUs escorted by destroyers HASU. At 2230, ends convoy’s escort.

17 December 1941:
Arrives at Bei Ji Shan Archipelago, China. Departs there and arrives at Yuet Ching Bay, China. Water supplied by auxiliary transport (later auxiliary emergency tanker) HOKUAN MARU. Departs there and arrives back at Bei Ji Shan Archipelago later in the day.

18 December 1941:
Departs Bei Ji Shan Archipelago. At 0800, takes over escort from auxiliary gunboat NISSHO MARU No. 12 of a convoy consisting of IJA transports TOBA and TOTTORI MARUs and auxiliary gunboat TOMITSU MARU. At 1600, ends escort.

19 December 1941:
At 1215, joins escort of a convoy consisting of IJA transports MEIU, TAMON and KOAN MARUs escorted by auxiliary gunboat NISSHO MARU No. 12. At 1330, ends escort. At 1430, escorts a convoy consisting of IJA transports MANJU, TOTAI, YUBAE and KANKO MARUs. Escort is ended at 1600. At 1610, escorts a convoy consisting of IJA transports HOKKO, MILAN and KAZUURA MARUs. At 1910, ends escort.

20 December 1941:
Arrives at Yuet Ching Bay.

21 December 1941:
Departs Yuet Ching Bay and arrives at Qiqu Archipelago. Departs there on patrol duty and later engages in ASW combat dropping several DCs. Arrives back at Qiqu Archipelago later in the day.

22 December 1941:
Departs Qiqu Archipelago and calls at Heiniu Bay. Departs there and arrives at Yuet Ching Bay later that day.

23 December 1941:
Departs Yuet Ching Bay and arrives at Taichow Islands later that same day.

24 December 1941:
Departs Taichow Islands. At 1415, 20 miles NE of Yu Shan Archipelago escorts a convoy consisting of IJA transports KAISHO, GENZAN and MIKASA MARUs. At 1730, escort is taken over by auxiliary gunboat DAIGEN MARU No. 7. Arrives at Shipu later in the day.

25 December 1941:
Departs Shipu on patrol and returns back there later that day. Loads drinking water from IJA transport DAINICHI MARU and from lighter TOYOKUNI MARU.

26 December 1941:
Departs Shipu on convoy escort but cannot meet up with convoy and returns back there later that same day.

28 December 1941:
Food supplied by civilian storeship BANSHU MARU No. 22. Departs Shipu and arrives at Fu Du Waterways later in the day.

29 December 1941:
Departs Fu Du Waterways and arrives at Dinghai later that day.

30 December 1941:
Departs Dinghai escorting captured ships MARIE MOLLER, MARY MOLLER and AUTUMNLIGHT. The convoy arrives at Wusong, entrance of Shanghai later that day.

31 December 1941:
Departs Wusong and anchors off Kiangnan shipyard later that day. Loads fresh food, canteen goods and other sundries.

3 January 1942:
Shifts from anchorage to shipyard pier.

4 January 1942:
Loads coal, diesel fuel and clothing.

5 January 1942:
Loads grain products and fresh water.

6 January 1942:
Maintenance and repairs are completed. Departs Kiangnan.

7 January 1942:
Arrives at Shipu. Departs there and arrives at Taichow Islands later in the day.

8 January 1942:
Departs Taichow Islands and arrives at Zhuyu. At 1300, lands raiding party. At 1730, troops board back the ship.

9 January 1942:
Departs Zhuyu. Calls at Sanmen Bay. Departs there and arrives at Nantian Bay later that same day.

10 January 1942:
Departs Nantian Bay. At 1330, 25 miles E of Jiu Shan Islands starts escort of a convoy consisting of IJA transports WAKATSU, SHINAI and THAMES MARUs. At 1900, ends escort 14 nautical miles SE of Yushan Islands. Arrives N of Taichow Islands later that day.

11 January 1942:
Departs N of Taichow Islands waters and arrives at Taichow Islands later in the day.

12 January 1942:
Provisioned by auxiliary storeship KOSOKU MARU No. 3.

13 January 1942:
Departs Taichow Islands and arrives at Yuet Ching Bay later that day.

14 January 1942:
Departs Yuet Ching Bay and arrives at Songmen Jiao later that same day. Water supplied by lighter SUZUHEI MARU.

15 January 1942:
Departs Songmen Jiao and engages in depth charge and ranging training, and junk inspection. Arrives at Yuet Ching Bay later in the day.

16 January 1942:
Loads 20-tons of fresh water from civilian cargo ship (C-AK) KATSUYAMA MARU.

17 January 1942:
Departs Yuet Ching Bay. Calls at Heiniu Bay. Departs there and arrives at North Longshan later that day.

18 January 1942:
Departs North Longshan on convoy escort duty but cannot meet the convoy and arrives at Yuet Ching Bay later that same day.

19 January 1942:
Departs Yuet Ching Bay and arrives at Taichow Islands later in the day.

20 January 1942:
Water supplied by auxiliary transport KIKUKAWA MARU. Departs Taichow Islands and arrives at Shipu later that day.

21 January 1942:
Departs Shipu and arrives at Dinghai later that same day. Loads fresh food.

24 January 1942:
Departs Dinghai and arrives at Jiu Shan Islands later in the day.

25 January 1942:
Departs Jiu Shan Islands on convoy escort duty but cannot meet with the ships and arrives at Taichow Islands later that day.

26 January 1942:
Loads 22-tons of diesel fuel and 30-tons of fresh water from lighter KORYU MARU. Departs Taichow Islands and arrives at Songmen Jiao later that same day.

27 January 1942:
Departs Songmen Jiao and arrives at Zhuyu later in the day. Water supplied by lighter SUZUHEI MARU.

28 January 1942:
Departs Zhuyu and arrives at Taichow Islands later that day.

29 January 1942:
Departs Taichow Islands. At 0730, 15 miles S of Taichow Islands meets up with destroyer HASU and escorts a convoy consisting of IJA transports LISBON, KOFUKU, UME, DURBAN, KAIMEI, KAYO and SHINSEI MARUs, civilian passenger/cargo ship (C-APK) FUJI MARU and seven unidentified merchant ships. At 1630, escort is taken over by minelayer SOKUTEN and SHINKO MARU No. 1 GO is detached.

30 January 1942:
Arrives at Taichow Islands. Food supplied by civilian storeship BANSHU MARU No. 22.

31 January 1942:
Departs Taichow Islands.

1 February 1942:
Arrives back at Taichow Islands.

3 February 1942:
Supplied with fresh food.

4 February 1942:
Departs Taichow Islands. Search for captured Norwegian salvage ship HALLDOR (later HARUTA MARU) and British cargo ship ARGUS (later SHINNAN MARU). Arrives at Shipu later that same day. Loads fresh water from lighters YOROZUKAME and TOYOKUNI MARUs.

5 February 1942:
Departs Shipu. Search for HALLDOR and ARGUS and arrives at Dinghai later in the day.

6 February 1942:
Loads luggage from civilian cargo ship (C-AK) KATSUYAMA MARU.

8 February 1942:
Departs Dinghai and arrives at Shipu later that same day.

9 February 1942:
Water supplied by civilian cargo ship (C-AK) KAIYO MARU and IJA transport DAINICHI MARU. Departs Shipu and arrives at Taichow Islands. Departs there to investigate an explosion heard SE of the area and returns back to port later in the day.

10 February 1942:
Departs Taichow Islands. Discovers debris of small ship ANBA MARU at position 27-55N, 121-48E.

11 February 1942:
Arrives at Taichow Islands.

13 February 1942:
Fresh food supplied.

15 February 1942:
Departs Taichow Islands and arrives at Fu Du Waterways later that day.

16 February 1942:
Departs Fu Du Waterways and arrives at Wusong later that same day.

17 February 1942:
Departs Wusong and arrives at Kiangnan later in the day.

18 February 1942:
Tethers to auxiliary harbour ship HAYASE (ex-Chinese CHIN KIANG).

20 February 1942:
Supplied with fresh food.

24 February 1942:
Supplied with fresh food.

25 February 1942:
Supplied with fresh water.

27 February 1942:
Departs Kiangnan and tethers to buoy. Supplied with water, diesel fuel and stored grain products.

28 February 1942:
Departs Kiangnan on trials and arrives at Shanghai, mooring to buoy No. 6. Loads ammunition.

1 March 1942:
Departs Shanghai escorting power boat No. 3495. Arrives at Wusong later in the day.

2 March 1942:
Departs Wusong and arrives at Qiqu Islands later that day.

3 March 1942:
Departs Qiqu Islands and arrives at Huoyoushan later that same day.

4 March 1942:
Departs Huoyoushan and arrives at Fuyao Island. Auxiliary gunboat DELHI MARU takes over escort. Departs there and arrives at North Longshan later that day.

5 March 1942:
Departs North Longshan and arrives at Taichow Islands later that same day. Water supplied by lighters TOYOKUNI and HEISHICHI MARUs.

6 March 1942:
Supplied with fresh food.

8 March 1942:
Departs Taichow Islands and arrives at Huoyoushan later in the day.

9 March 1942:
Departs Huoyoushan on escort duties but cannot join the convoy and arrives at Taichow Islands later that day.

10 March 1942:
Departs Taichow Islands on escort duties but cannot join the convoy and arrives at Shipu later that same day.

11 March 1942:
Water supplied by lighter SUZUHEI MARU.

12 March 1942:
Departs Shipu and arrives at Jiushan Archipelago later in the day.

14 March 1942:
Departs Jiushan Archipelago and arrives at Taichow Islands later that day. Loads 16-tons of fuel and 19-tons of fresh water from lighter KORYU MARU.

15 March 1942:
Departs Taichow Islands and arrives at Bei Ji Shan Archipelago later that same day.

16 March 1942:
Departs Bei Ji Shan Archipelago and arrives at Taichow Islands later in the day. Assigned to destroy a power boat under Security instruction No. 8-843.

17 March 1942:
Departs Taichow Islands and arrives at Shipu later that day.

18 March 1942:
Supplied with fresh food.

19 March 1942:
Departs Shipu. Inspects two junks and arrives at Niubi Shan Strait later that same day.

20 March 1942:
Departs Niubi Shan Strait and arrives at Dinghai later in the day.

21 March 1942:
Supplied with fresh food and water by lighter HEISHICHI MARU.

23 March 1942:
Departs Dinghai and arrives at Jiushan Archipelago later that day.

24 March 1942:
Departs Jiushan Archipelago. At 1030 24 miles SSE of Dongting Island, starts escorting IJA transport SHINTEN MARU.

25 March 1942:
At 0500, ends escort. Arrives at Yuet Ching Bay later that same day. Loads 20-tons of fresh water from civilian cargo ship (C-AK) KATSUYAMA MARU.

26 March 1942:
Departs Yuet Ching Bay and arrives at Heiniu Bay later in the day.

28 March 1942:
Departs Heiniu Bay and arrives at Dongtou Shandong Fang later that day.

29 March 1942:
Departs Dongtou Shandong Fang and arrives at Yuet Ching Bay later that same day.

30 March 1942:
Supplied with fresh food. Departs Yuet Ching Bay and arrives at Songmen Jiao later in the day.

31 March 1942:
Departs Songmen Jiao and arrives at Taichow Islands later that day.

1 April 1942:
Departs Taichow Islands on patrol mission.

2 April 1942:
Arrives back at Taichow Islands. Loads 21-tons of diesel fuel and 20-tons of fresh water from lighter KORYU MARU.

3 April 1942:
Fresh food supplied. Departs Taichow Islands and arrives at Fu Du Waterways later that same day.

4 April 1942:
Departs Fu Du Waterways and arrives at Dinghai later in the day.

6 April 1942:
Water supplied by civilian cargo ship (C-AK) KAIYO MARU and IJA transport DAINICHI MARU.

7 April 1942:
Departs Dinghai and arrives at Shipu later that day.

8 April 1942:
Departs Shipu.

9 April 1942:
Arrives at Taichow Islands.

10 April 1942:
Supplied with fresh food. Departs Taichow Islands on patrol and returns back there later that same day.

11 April 1942:
Departs Taichow Islands on ASW sweep. Drops DCs .

12 April 1942:
Arrives back at Taichow Islands. Water supplied by lighters TOYOKUNI and HEISHICHI MARUs.

13 April 1942:
Departs Taichow Islands on ASW sweep.

14 April 1942:
Arrives back at Taichow Islands.

15 April 1942:
Supplied with fresh food.

16 April 1942:
Loads 14-tons of diesel fuel from lighter KORYU MARU.

19 April 1942:
Departs Taichow Islands on patrol and returns back there later in the day.

20 April 1942:
Departs Taichow Islands and arrives at Shipu. Lands a raiding party. At 1900, troops come back aboard.

21 April 1942:
Supply with fresh water by IJA transport KANAN MARU.

22 April 1942:
Supplied with fresh food.

23 April 1942:
Departs Shipu on gunnery drill. Tows a target.

24 April 1942:
Arrives at Dinghai.

25 April 1942:
Water supplied by IJA transport DAINICHI MARU.

26 April 1942:
Supplied with fresh food.

27 April 1942:
Departs Dinghai.

28 April 1942:
Arrives at Yuet Ching Bay. Fresh water supplied by civilian cargo ship (C-AK) KATSUYAMA MARU.

30 April 1942:
Departs Yuet Ching Bay and arrives at Heiniu Bay later that day.

1 May 1942:
Departs Heiniu Bay and arrives at Taichow Islands later that same day.

2 May 1942:
Refueled by auxiliary oiler JUKO MARU. Departs Taichow Islands and inspects three junks. Arrives at Yuet Ching Bay later in the day.

4 May 1942:
Departs Yuet Ching Bay and arrives at Heiniu Bay later that day. Supplied with fresh food.

5 May 1942:
Departs Heiniu Bay and disposes of a drifting mine by MG fire.

6 May 1942:
Arrives at Taichow Islands. Departs there and arrives off Jue Chi later that same day.

7 May 1942:
Departs Jue Chi waters.

8 May 1942:
Arrives off Wusong. Departs there and arrives at Kiangnan, tethering at No. 2 buoy.

9 May 1942:
Shifts to pier.

10 May 1942:
Delivers seized goods to military forces.

11 May 1942:
Supplied with stored grain products.

12 May 1942:
Supplied with fresh water and canteen goods.

13 May 1942:
Tethered to buoy and refueled.

14 May 1942:
Departs Kiangnan.

15 May 1942:
Arrives at Qiqu Archipelago. Departs there and arrives at Shipu later in the day.

16 May 1942:
Departs Shipu and arrives at Langji Shan. Departs there and arrives at Taichow Islands later that day.

20 May 1942:
Assigned to the 2nd Patrol Corps. Departs Taichow Islands and arrives at Shipu later that same day. Fresh water supplied. Refueled by auxiliary oiler JUKO MARU.

21 May 1942:
Provisioned by auxiliary storeship ZUIHO MARU. Departs Shipu and arrives at Zhuyu later in the day.

22 May 1942:
At 0840, lands a raiding party at Kinmen Island.

24 May 1942:
Departs Zhuyu and arrives at Shipu later that day.

26 May 1942:
Assigned to the 2nd Patrol Corps under Shanghai District telegram No. 4. Departs Shipu and arrives off Jian Keng Point, Sanmen Bay later that same day.

27 May 1942:
Departs Jian Keng Point and calls at Sanmen Bay. Departs there and arrives at Taichow Islands later in the day.

28 May 1942:
Departs Taichow Islands. Shells Langji Shan and returns to Taichow Islands later that day. Provisioned by auxiliary storeship BANSHU MARU No. 21.

29 May 1942:
Refueled by lighter KORYU MARU. Departs Taichow Islands. Shells Songmen Island and arrives at Yuo You Shan later that same day. Lands 12 raider troops.

30 May 1942:
At 0315, embarks the raiding party. Departs Yuo You Shan and arrives at Yuet Ching later that same day. Fires five warning shots.

31 May 1942:
Departs Yuet Ching and arrives at Yuet Ching Bay later in the day. At 1800, lands a raiding party.

1 June 1942:
The 2nd Patrol Corps is officially activated under Shanghai District secret instruction No. 108. Assigned to the 1st Raid Corps under instruction No. 1.

2 June 1942:
Departs Yuet Ching Bay and arrives at Yuet Ching. Supplied with fresh water. Departs there and arrives at Yuet Ching Bay later that day. Fires three warning shots.

3 June 1942:
At 0600, lands a raiding party. At 0715, fires five warning shots to protect minesweeping party. Fresh food supplied by lighter SENSHO MARU. At 1200, departs Yuet Ching Bay, arriving at 1430 at Heiniu Bay. At 1850, embarks the raiding party.

4 June 1942:
Departs Heiniu Bay and arrives at Dayu Gang. At 1200, lands a raiding party. Troops board the ship at 1540. Departs there and arrives at Shagang Port later that same day.

5 June 1942:
At 0430, lands a raiding party. At 0600, tethers to rolling anchor. At 1200, Troops board the ship. At 1230, Departs Shagang port. At 1430, fires 10 shells at Jin Shenwei. At 2050, arrives at Yuet Ching Bay.

6 June 1942:
Loads luggage from IJN tanker (B-AO) TAKATORI MARU No. 1. Refueled and supplied with fresh water by lighter KORYU MARU. Departs Yuet Ching Bay and arrives at western Taichow Islands later in the day.

7 June 1942:
Departs western Taichow Islands and arrives at Qiqu Archipelago later that day.

8 June 1942:
Departs Qiqu Archipelago and arrives at Fuyao Island later that same day.

9 June 1942:
Departs Fuyao Island and arrives at Fu Ning Bay. At 0600, lands a raiding party. At 1527, troops board the ship.

10 June 1942:
Departs Fu Ning Bay and arrives at Northern Islands. At 0845, lands a raiding party. At 1600, troops re-embark.

11 June 1942:
Departs Northern Islands and arrives at Daikin. At 0730, lands a raiding party. At 1330, embarks the raiding party. Departs Daikin and arrives at Fu Ning Bay later in the day.

13 June 1942:
Departs Fu Ning Bay towing a small gunboat. Arrives SW of Nanji Shan Archipelago. Departs there and arrives at Qiqu Archipelago later that day.

15 June 1942:
Departs Qiqu Archipelago and arrives at Taichow Islands later that same day. Fresh food supplied by lighter SENSHO MARU. Supplied with fresh water. Fires warning shots.

16 June 1942:
Refueled by lighter KORYU MARU.

17 June 1942:
Departs Taichow islands and arrives at Sanmen Bay later in the day.

18 June 1942:
Departs Sanmen Bay and arrives off Jian Keng Point. At 0630, lands a raiding party Departs there and arrives at Sanmen Bay. At 1430, boards the raiding party.

19 June 1942:
Departs Sanmen Bay and arrives at Shipu later that day.

20 June 1942:
Departs Shipu and arrives at Dinghai later that same day.

23 June 1942:
Supply with fresh food and water. Loads luggage from civilian cargo ship (C-AK) KATSUYAMA MARU.

24 June 1942:
Departs Dinghai and arrives at Shipu later in the day.

25 June 1942:
Departs Shipu and arrives at Yuet Ching Bay. Departs there and arrives at Heiniu Bay later that day.

28 June 1942:
Departs Heiniu Bay and arrives at Yuet Ching Bay later that same day.

29 June 1942:
Fresh food supplied.

30 June 1942:
Departs Yuet Ching Bay and arrives at Taichow Islands later in the day. Refueled and fresh water supplied by lighter KORYU MARU.

2 July 1942:
Fresh water supplied.

3 July 1942:
Fresh food supplied.

5 July 1942:
Assigned to assist Raiding Force under secret instruction No. 5. Departs Taichow Islands. At 0800, takes over from destroyer MIKAZUKI escort of C1 convoy consisting of civilian (C-AK) (later auxiliary) transport SENZAN MARU and five unidentified ships.

6 July 1942:
At 1630, ends escort at the 33N parallel.

7 July 1942:
Arrives at Shipu.

8 July 1942:
Departs Shipu and arrives at Qiqu Archipelago later that day.

9 July 1942:
At 0800, the minesweeping party starts operating in Shantou Strait. At 1245, lands a raiding party on training mission. Departs Qiqu Archipelago and arrives at Yuet Ching Bay. At 2000, re-embarks the raiding party. At 2130, re-embarks the the minesweeping party. At 2140, fires warning shots.

10 July 1942:
Departs Yuet Ching Bay and arrives at Fei Yun Jiang later that same day.

11 July 1942:
At 0530, a minesweeping party starts operating in Fei Yun river.

12 July 1942:
Departs Fei Yun Jiang and arrives at Heiniu Bay later in the day. Fresh food supplied.

14 July 1942:
Departs Heiniu Bay and arrives at Yuet Ching Bay. Refueled and fresh water supplied by lighter KORYU MARU. At 1730, the minesweeping party having completed operation in Fei Yun river, boards the ship.

16 July 1942:
At 0630, a minesweeping party starts operation in the strait. Troops re-embark at 1930.

17 July 1942:
At 0300, the minesweeping party resumes operation in the strait. Loads ammunition, quartermaster items and stored grain products from IJN tanker (B-AO) TAKATORI MARU No. 1. Loads fresh food from auxiliary storeship BANSHU MARU No. 21.

19 July 1942:
At 1830, a raiding party boards the ship.

22 July 1942:
At 1030, the minesweeping party boards the ship.

24 July 1942:
At 0900, the minesweeping party resumes operation. Refueled by lighter KORYU MARU.

25 July 1942:
At 1830, the minesweeping party comes back aboard.

26 July 1942:
Fresh food supplied. Departs Yuet Ching Bay and arrives off Ao Jiang later that day.

27 July 1942:
At 0600, the raiding party departs. Seizes one small steamboat. At 1530, the raiding party comes back aboard.

28 July 1942:
Departs Ao Jiang waters towing the captured boat and arrives at Yuet Ching Bay later that same day. Delivers the captured boat to Military Forces. Fresh water supplied by IJN tanker (B-AO) TAKATORI MARU No. 1.

29 July 1942:
Fresh food supplied by auxiliary storeship BANSHU MARU No. 21.

3 August 1942:
Refueled and fresh water supplied from lighter KORYU MARU.

4 August 1942:
Fresh food supplied by lighters.

5 August 1942:
Departs Yuet Ching Bay and arrives at Dong Gao Island later that same day.

6 August 1942:
At 0730, lands a raiding party. Troops come back aboard at 1755. At 1815, fires eight shells at a junk. Departs Dong Gao Island later that day.

7 August 1942:
Arrives at Dinghai. Departs there and arrives at Kinmen Island later that same day.

8 August 1942:
Tethers to rolling anchor No. 2. At 1430, lands a raiding party at Nainpin Island. Troops board ship at 1800.

9 August 1942:
Departs Kinmen Island and calls at Sanmen Bay. Departs there and arrives at Shepan Yang later in the day.

11 August 1942:
Departs Shepan Yang and arrives at Shipu later that day.

14 August 1942:
Departs Shipu. At 0730, starts convoy’s escort. Arrives off Wusong later that same day.

15 August 1942:
Departs Wusong waters and arrives at Kiangnan later in the day.

16 August 1942:
Supplied with canteen goods and fresh water.

17 August 1942:
Supplied with fresh food.

22 August 1942:
Supplied with canteen goods and stored grain products.

23 August 1942:
Loads quartermaster items.

25 August 1942:
Loads quartermaster items, fresh food, fresh water and other sundries.

26 August 1942:
Embarks 12 passengers. Departs Kiangnan.

27 August 1942:
Arrives at Shipu. Disembarks 10 passengers.

28 August 1942:
Departs Shipu on ASW sweep.

29 August 1942:
Arrives at Qiqu Archipelago. Supplied with fresh water by a water tanker. Embarks passengers.

30 August 1942:
Departs Qiqu Archipelago on ASW sweep.

1 September 1942:
Arrives at Fuyao Island.

2 September 1942:
Departs Fuyao and arrives at Yuet Ching Bay later in the day.

3 September 1942:
Fresh food supplied by auxiliary storeship BANSHU MARU No. 21.

6 September 1942:
Departs Yuet Ching Bay and arrives at Ni Yushan later that day. At 0900, lands a raiding party. Troops come back aboard at 1930.

7 September 1942:
Departs Ni Yushan Yuet Ching Bay and arrives at Tongpan Shan. At 0630, lands a raiding party. Troops come back aboard at 1100. Departs there and arrives at Nanji Shan later in the day.

8 September 1942:
Departs Nanji Shan and arrives at Taichow Islands later that day.

9 September 1942:
Rations supplied by a harbour boat.

10 September 1942:
Departs Taichow Islands and arrives at Kinmen Island later that same day. At 0630, lands a raiding party. Troops come back aboard at 1700.

11 September 1942:
Departs Kinmen Island and arrives at Shipu later in the day.

12 September 1942:
Departs Shipu and arrives at Sanmen Bay later that day.

14 September 1942:
Departs Sanmen Bay and arrives at Taichow Islands later that same day.

15 September 1942:
Fresh food supplied by a lighter. Refueled and fresh water supplied by lighter KORYU MARU. Assigned that same day to the 8th Patrol Corps under Shanghai District telegram No. 43.

16 September 1942:
Departs Taichow Islands and arrives at Shipu later that day.

20 September 1942:
Supplied with fresh water by a water tanker.

22 September 1942:
Departs Shipu and arrives at Dinghai later that same day.

24 September 1942:
Fresh food supplied by a lighter.

25 September 1942:
Departs Dinghai.

26 September 1942:
Arrives at Qiqu Archipelago.

28 September 1942:
Departs Qiqu Archipelago. Inspects seven junks and arrives at Yuet Ching Bay later in the day.

2 October 1942:
Fresh food supplied by a lighter.

3 October 1942:
Departs Yuet Ching Bay.

4 October 1942:
Arrives at Songmen Jiao.

5 October 1942:
Departs Songmen Jiao and arrives at Heiniu Bay later that day. Inspects nine junks.

7 October 1942:
Departs Heiniu Bay and arrives at Yuet Ching Bay later that same day.

8 October 1942:
Refueled by auxiliary oiler JUKO MARU. Fresh food supplied by a lighter.

10 October 1942:
Departs Yuet Ching Bay and arrives at Heiniu Bay later in the day.

12 October 1942:
Departs Heiniu Bay and arrives at Taichow Islands later that day.

13 October 1942:
Departs Taichow Islands and arrives at Fu Du Waterways later that same day.

14 October 1942:
Departs Fu Du Waterways and arrives at Dinghai later in the day.

17 October 1942:
Departs Dinghai and arrives at Shipu later that day.

18 October 1942:
Departs Shipu and arrives at Taichow Islands later that same day.

19 October 1942:
Refueled and fresh water supplied by lighter KORYU MARU.

20 October 1942:
Tethers to rolling anchor and undergoes repair to her stern. Fresh water supplied by IJN tanker (B-AO) TAKATORI MARU No. 1.

21 October 1942:
Departs Taichow Islands and arrives at Shipu. Departs there later in the day.

23 October 1942:
Arrives at Taichow Islands.

25 October 1942:
Departs Taichow Islands escorting with destroyer HASU a convoy consisting of IJA transports NISSHU (NICHIHIDE) MARU and MEIU MARUs.

26 October 1942:
At 0130, ends convoy’s escort E of Seven Island. Arrives at Fuyao Island later that day.

29 October 1942:
Departs Fuyao Island and arrives at Heiniu Bay later that day.

30 ~ 31 October 1942:
Undergoes masts reinforcement.

31 October 1942:
Reserve LtCdr Niki Kozo is confirmed as CO.

1 November 1942:
Departs Heiniu Bay and arrives at Yuet Ching Bay later that same day.

4 November 1942:
Departs Yuet Ching Bay on junk inspection and arrives at Taichow Islands later in the day.

6 November 1942:
Refueled and fresh water supplied by lighter KORYU MARU.

7 November 1942:
Fresh food supplied by a lighter.

8 November 1942:
Departs Taichow Islands and arrives at Yuet Ching Bay later that day.

11 November 1942:
Departs Yuet Ching Bay and arrives at Taichow Islands later that same day.

13 November 1942:
Departs Taichow Islands on junk inspection and arrives at Shipu later in the day.

14 November 1942:
Departs Shipu and arrives at Fu Du Waterways later that day.

15 November 1942:
Departs Fu Du Waterways and arrives off Wusong later that same day.

16 November 1942:
Departs Wusong waters and arrives at Kiangnan later that same day. Tethers to buoy No. 4. Undergoes hull repairs.

17 November 1942:
Unloads ammunition and gunpowder.

18 November 1942:
Loads rations and other canteen goods. Unloads gun equipment for repairs.

25 November 1942:
Enters drydock No. 2 at Kiangnan shipyard for maintenance and repairs.

2 December 1942:
Undocked. Tethers to pier.

4 December 1942:
Loads gunpowder, ammunition and other quartermaster items.

7 December 1942:
Undergoes outer hull full coating. Replenishes fuel and loads coal.

8 December 1942:
Tethers to buoy No. 3.

9 December 1942:
Departs Kiangnan on trials and arrives back there later that day, tethering again at buoy No. 3.

10 December 1942:
Supplied with fresh food and canteen goods.

11 December 1942:
Loads consignment goods. Departs Kiangnan.

12 December 1942:
Arrives at Shipu.

14 December 1942:
Departs Shipu and arrives at Taichow Islands later that day.

15 December 1942:
Fresh food supplied by civilian storeship BANSHU MARU No. 22.

18 December 1942:
Departs Taichow Islands and arrives at Heiniu Bay later that same day.

19 December 1942:
Departs Heiniu Bay and arrives at Fuyao Island later in the day.

22 December 1942:
Departs Heiniu Bay on ASW sweep.

23 December 1942:
Arrives at Taichow Islands. Departs there and arrives at Niubi Shan Strait later that same day.

24 December 1942:
Departs Niubi Shan Strait and arrives at Dinghai later in the day.

27 December 1942:
Departs Dinghai and arrives at Shipu later that day.

28 December 1942:
Departs Shipu and arrives at Taichow Islands later that same day.

29 December 1942:
Fresh food supplied by civilian storeship BANSHU MARU No. 22.

31 December 1942:
Departs Taichow Islands and arrives at Nantian Bay later in the day. At 1015, lands a raiding party. Troops come back aboard at 1900.

1 January 1943:
At 0700, lands a raiding party. At 0830, fires eight covering shots. Departs Nantian Bay and arrives at Shipu later that day. Troops come back aboard at 1900.

3 January 1943:
Provisioned by auxiliary storeship SUMIYOSHI MARU.

6 January 1943:
Departs Shipu and arrives at Taichow Islands later in the day.

8 January 1943:
Refueled and fresh water supplied by lighter KORYU MARU.

9 January 1943:
Departs Taichow Islands and calls at Yuet Ching Bay. Departs there and arrives at Heiniu Bay later that day.

10 January 1943:
Departs Heiniu Bay and arrives at Incog Island later that same day.

11 January 1943:
Departs Incog Island and arrives at Fuyao Island later in the day.

13 January 1943:
Comes alongside IJN requisitioned ship (B-AK) RYUSEI (ex-Chinese Maritime Customs ship LIU HSING) and loads fresh water.

14 January 1943:
Departs Fuyao Island and calls at Incog Island. Departs there and arrives at Heiniu Wan later that day.

15 January 1943:
Departs Heiniu Wan and arrives at Shipu later that same day.

16 January 1943:
Departs Shipu and arrives at Fu Du Waterways later in the day. Fresh food supplied by auxiliary storeship BANSHU MARU No. 16.

17 January 1943:
Departs Fu Du Waterways and arrives at Dinghai later that day.

20 January 1943:
Departs Dinghai and arrives at Shipu later that same day.

26 January 1943:
Departs Shipu and arrives at Taichow Islands later in the day.

27 January 1943:
At 1200 lands a raiding party. Troops come back aboard at 1800.

29 January 1943:
Departs Taichow Islands and arrives at Fu Du Waterways later that day.

30 January 1943:
Departs Fu Du Waterways and arrives at Hengsha later that same day.

31 January 1943:
Departs Hengsha and arrives at Kiangnan later in the day.

3 February 1943:
Supplied with stored grain products and quartermaster items.

5 February 1943:
Supplied with fresh food and canteen goods.

8 February 1943:
Departs Kiangnan and arrives at Qiqu Archipelago later that day.

9 February 1943:
Departs Qiqu Archipelago and arrives at Jiu Shan Islands later that same day.

10 February 1943:
Departs Jiu Shan Islands and arrives at Shipu later in the day.

12 February 1943:
Departs Shipu and arrives at Taichow Islands later that day.

13 February 1943:
Departs Taichow Islands and calls at Yuet Ching Bay. Departs there and arrives at Heiniu Bay later that same day.

14 February 1943:
Departs Heiniu Bay and calls at Incog Island lighthouse. Departs there and arrives at Fuyao Island later in the day.

19 February 1943:
Departs Fuyao Island and calls at Incog Island lighthouse. Departs there later that day.

20 February 1943:
Arrives at Shipu. Fresh food supplied. Departs Shipu and arrives at Fu Du Waterways later that same day.

21 February 1943:
Departs Fu Du Waterways and arrives at Dinghai later in the day.

24 February 1943:
Departs Dinghai and arrives at Taichow Islands later that day.

25 February 1943:
Moves to rolling anchor. Fresh food supplied by auxiliary storeship BANSHU MARU No. 21. Refueled by lighter KORYU MARU.

27 February 1943:
Departs Taichow Islands escorting SEKIEI MARU and calls at Pi Shan. Departs there and arrives at Kanmen Port later that same day.

28 February 1943:
Departs Kanmen Port still escorting SEKIEI MARU and calls at Dong Tou Chia. Departs there and arrives at Yuet Ching Bay later in the day.

1 March 1943:
Departs Yuet Ching Bay and arrives at Heiniu Bay later that day.

3 March 1943:
Departs Heiniu Bay and calls at Dayu Jiao. Departs there and arrives back at Heiniu Bay later that same day.

4 March 1943:
Departs Heiniu Bay still escorting SEKIEI MARU and arrives at Nanji Shan later in the day.

5 March 1943:
Departs Nanji Shan and arrives at Songmen Jiao later that day.

6 March 1943:
Departs Songmen Jiao and calls at Taichow Islands. Departs there and arrives at Shipu later that same day.

7 March 1943:
Departs Shipu and arrives at Fu Du Waterways later in the day.

8 March 1943:
Departs Fu Du Waterways and arrives at Dinghai later that day. Fresh food supplied by auxiliary storeship BANSHU MARU No. 21. Refueled and fresh water supplied by lighter KORYU MARU.

10 March 1943:
Departs Dinghai. Engages in ASW sweep and drops one DC.

12 March 1943:
Ends ASW sweep and arrives at Taichow Islands later that day.

14 March 1943:
Departs Taichow Islands and arrives at Yuet Ching Bay later that same day.

15 March 1943:
Departs Yuet Ching Bay on ASW sweep and arrives back there later in the day.

16 March 1943:
Departs Yuet Ching Bay and arrives at Yuet Ching. Fires eight gunshots at enemy barracks. Departs there and arrives at Yuet Ching Bay later that day.

17 March 1943:
Refueled and fresh water supplied by lighter KORYU MARU.

18 March 1943:
Departs Yuet Ching Bay and arrives at Heiniu Bay later that same day.

19 March 1943:
Departs Heiniu Bay and calls at Incog Island. Departs there and arrives at Fuyao Island later in the day.

24 March 1943:
Departs Fuyao Island on ASW sweep and arrives back there later that day.

25 March 1943:
Departs Fuyao Island and calls at Dong Gua lighthouse. Departs there and arrives back at Fuyao Island later that same day.

26 March 1943:
Departs Fuyao Island and arrives at Taichow Islands later in the day.

27 March 1943:
Fresh food supplied by auxiliary storeship BANSHU MARU No. 21.

28 March 1943:
Departs Taichow Islands on ASW sweep and calls at Fu Du Waterways. Departs there later that day.

29 March 1943:
Arrives at Wusong.

30 March 1943:
Departs Wusong and arrives at Kiangnan later that same day.

1 ~ 2 April 1943:
Loads canteen goods and stored grain products.

2 April 1943:
Loads quartermaster items.

4 April 1943:
Refueled and resupplied with fresh food.

5 April 1943:
Departs Kiangnan and arrives at Dinghai later in the day.

6 April 1943:
Departs Dinghai and arrives at Shipu later that day.

7 April 1943:
Departs Shipu. At 1915, E of Jiushan Islands begins escort of convoy consisting of IJN emergency oiler (B-AO) SHINSHU MARU, IJN requisitioned tanker (B-AO) SHOEI MARU and IJA transport TAMON MARU.

8 April 1943:
At 1140, 12 nautical miles of Qixing Island end escort and arrives at Heiniu Bay later that same day.

9 April 1943:
Departs Heiniu Bay and arrives at Yuet Ching Bay later in the day. Fresh food supplied by lighter SENSHO MARU.

10 April 1943:
Refueled by lighter KORYU MARU.

12 April 1943:
Departs Yuet Ching Bay and calls at Dong Gua Island. Departs there and arrives at Fuyao Island later that day.

17 April 1943:
Departs Fuyao Island and arrives at Heiniu Bay later that same day.

18 April 1943:
Departs Heiniu Bay on ASW sweep.

20 April 1943:
Ends ASW sweep and calls at Shipu. Departs there and arrives at Niubi Shan Strait later in the day.

21 April 1943:
Departs Niubi Shan Strait and arrives at Dinghai later that day.

24 April 1943:
Departs Dinghai and arrives at Shipu later that same day.

25 April 1943:
Departs Shipu and arrives at Taichow Islands later in the day.

1 May 1943:
Departs Taichow Islands and arrives at Shipu later that day.

2 May 1943:
Departs Shipu on ASW sweep.

4 May 1943:
Arrives at Ingoku (Incog) Island.

5 May 1943:
Departs Ingoku Island and arrives at Heiniu Bay later in the day.

6 May 1943:
Departs Heiniu Bay and arrives at Taichow Islands later that day.

12 May 1943:
Departs Taichow Islands and arrives at Pi Shan later that same day.

14 May 1943:
Departs Pi Shan and arrives at Taichow Islands later in the day.

16 May 1943:
Departs Taichow Islands and arrives at Shipu later that day.

17 May 1943:
Departs Shipu and arrives at Fu Du Waterways later that same day.

18 May 1943:
Departs Fu Du Waterways and arrives at Dinghai later in the day.

21 May 1943:
Departs Dinghai and arrives at Shipu later that day.

25 May 1943:
Departs Shipu.

26 May 1943:
Arrives at Taichow Islands.

27 May 1943:
Departs Taichow Islands but encounters bad weather and returns back to port later that same day.

28 May 1943:
Departs again Taichow Islands and arrives at Pi Shan later in the day.

29 May 1943:
Departs Pi Shan and calls at Taichow Islands. Departs there and arrives at Dinghai later that day.

30 May 1943:
Departs Dinghai and arrives at Taichow Islands later that same day.

1 June 1943:
Departs Taichow Islands and arrives at Yuet Ching Bay later in the day.

2 June 1943:
Departs Yuet Ching Bay and calls at Pi Shan. Departs there and arrives at Taichow Islands later that day. Fresh food supplied by auxiliary storeship BANSHU MARU No. 21.

3 June 1943:
Departs Taichow Islands.

4 June 1943:
Arrives at Wusong.

5 June 1943:
Departs Wusong and arrives at Kiangnan later that same day.

9 June 1943:
Supplied with stored grain products, ammunition and quartermaster items.

15 June 1943:
Supplied with stored grain products, ammunition and quartermaster items.

16 June 1943:
Hoist the Commander’s flag and departs Kiangnan.

17 June 1943:
Arrives at Taichow Islands. Departs there later in the day.

18 June 1943:
Arrives at Chiaolu Shan. Departs there and arrives at Kanmen Port. Lands a raiding party. Troops come back aboard at 1700.

19 June 1943:
Departs Kanmen Port and arrives at Heiniu Bay later that day.

20 June 1943:
Departs Heiniu Bay and arrives at Taichow Islands later that same day. Fresh food supplied by civilian storeship BANSHU MARU No. 22.

25 June 1943:
Departs Taichow Islands and arrives S of Qi Shan. Tows destroyer KURI to Chikou Sea (near Yuet Ching Bay). Both ships arrive at Qiqu Archipelago later in the day.

26 June 1943:
Both ships depart Qiqu Archipelago.

28 June 1943:
Auxiliary salvage tug KASASHIMA arrives and takes over the tow of KURI to Shipu from auxiliary gunboat SHINKO MARU No. 1 GO. Arrives there later that day.

29 June 1943:
Departs Shipu and arrives at Taichow Islands later that same day. Reserve LtCdr Niki Kozo is confirmed as CO.

2 July 1943:
Departs Taichow Islands.

3 July 1943:
Arrives at Dinghai.

6 July 1943:
Departs Dinghai clearing path before arrival of convoy No. 605 due to depart Singapore later this month.

7 July 1943:
Arrives at Yuet Ching Bay.

10 July 1943:
Departs Yuet Ching Bay and arrives at Fuyao Island later that same day.

12 July 1943:
Departs Fuyao Island and arrives at Taichow Islands later in the day.

16 July 1943:
Departs Taichow Islands clearing path before arrival of convoy No. 705.

17 July 1943:
Arrives at Fu Du Waterways.

18 July 1943:
Departs Fu Du Waterways and arrives at Dinghai later that day.

19 July 1943:
Commander’s flag is returned to auxiliary gunboat DAIGEN MARU No. 7. Departs Dinghai and arrives at Fu Du Waterways later that same day.

20 July 1943:
Departs Fu Du Waterways and arrives at Taichow Islands later in the day.

22 July 1943:
Departs Taichow Islands and arrives at Heiniu Bay later that day.

24 July 1943:
Departs Heiniu Bay and arrives at Taichow Islands later that same day.

25 July 1943:
Departs Taichow Islands on patrol and arrives back there later in the day.

26 July 1943:
Departs Taichow Islands on patrol and arrives back there later that day.

27 July 1943:
Departs Taichow Islands on patrol.

28 July 1943:
Arrives at Dinghai.

1 August 1943:
Departs Dinghai and arrives at Dong Gao Island later that same day.

2 August 1943:
Departs Dong Gao Island and calls at Taichow Islands. Departs there and arrives at Zhuyu Island later in the day.

3 August 1943:
Fires six gunshots at a village.

4 August 1943:
Departs Zhuyu Island and arrives at Taichow Islands later that day.

5 August 1943:
Departs Taichow Islands to Baiyan Shan providing distant escort to a convoy and arrives back at Taichow Islands later that same day.

7 August 1943:
Supplied with 39-tons of fresh water by lighter SUZUHEI MARU.

9 August 1943:
Departs Taichow Islands and arrives at Shepan Yang later in the day.

12 August 1943:
Assigned to 6th Patrol Corps under Shanghai District telegram No. 291.

13 August 1943:
Departs Shepan Yang and arrives at Shipu later that day.

15 August 1943:
Departs Shipu and arrives at Dong Gao Island later that same day.

16 August 1943:
Departs Dong Gao Island and arrives at Taichow Islands later in the day. Fresh food supplied by lighter RYOSEI MARU No. 2. Refueled and fresh water supplied by lighter KORYU MARU.

17 August 1943:
Departs Taichow Islands on gunnery, first aid, navigation and fire drill, arriving back to port later that day.

21 August 1943:
Departs Taichow Islands and arrives at Shipu later that same day.

22 August 1943:
Departs Shipu and arrives at Dinghai later in the day.

24 August 1943:
Departs Dinghai.

24 August 1943:
Arrives at Kiangnan.

4 September 1943:
Refueled and resupplied with ammunition, fresh water and fresh food.

1943:
Her Port of registry is changed to Tokyo.

5 September 1943:
Departs Kiangnan.

6 September 1943:
Arrives at Shipu.

7 September 1943:
Departs Shipu on gunnery drill and arrives at Taichow Islands later that day.

8 September 1943:
Departs Taichow Islands clearing path before arrival of convoy No. 705.

9 September 1943:
Arrives at Heiniu Bay.

10 September 1943:
Departs Heiniu Bay and arrives at Taichow Islands later that same day.

14 September 1943:
Fresh water supplied by lighter SUZUHEI MARU.

15 September 1943:
Departs Taichow and arrives at Heiniu Bay later in the day.

16 September 1943:
Departs Heiniu Bay and arrives at Fuyao Island later that day.

20 September 1943:
Departs Fuyao Island clearing path before arrival of convoy No. 803 and arrives at Heiniu Bay later that same day.

21 September 1943:
Departs Heiniu Bay clearing path before arrival of convoy No. 803 and returns back there later in the day.

22 September 1943:
Departs Heiniu Bay and arrives at Taichow Islands later that day.

24 September 1943:
Departs Taichow Islands.

25 September 1943:
Arrives at Dinghai. Supplied with fuel, fresh water and fresh food.

28 September 1943:
Departs Dinghai and returns back there later that same day.

29 September 1943:
Reserve Captain Takito comes aboard. Departs Dinghai and arrives at Jiu Shan Islands.

30 September 1943:
Reserve Captain Takito Akira assumes command. Departs Jiu Shan Islands clearing path before arrival of convoy No. 903 and arrives at Taichow Islands later in the day.

2 October 1943:
Departs Taichow Islands and arrives at Shipu later that day.

3 October 1943:
LtCdr Niki disembarks. Fresh food supplied by civilian cargo ship (C-AK) TAISEI MARU and fresh water supplied by IJA transport KANAN MARU. Departs Shipu clearing path before arrival of convoy No. 406.

4 October 1943:
Arrives back at Shipu.

5 October 1943:
Departs Shipu again clearing path before arrival of convoy No. 406.

6 October 1943:
Arrives at Fuyao Island.

8 October 1943:
Departs Fuyao Island and arrives at Heiniu Bay later that same day.

9 October 1943:
Departs Heiniu Bay and arrives at Taichow Islands later in the day.

13 October 1943:
Departs Taichow Islands clearing path before arrival of convoy No. 105 and arrives back there later that day.

15 October 1943:
Fresh food supplied by civilian storeship BANSHU MARU No. 22.

16 October 1943:
Fresh water supplied by IJA transport KANAN MARU.

18 October 1943:
Departs Taichow Islands and arrives at Heiniu Bay later that same day.

19 October 1943:
Departs Heiniu Bay and arrives at Taichow Islands later in the day.

20 October 1943:
Fresh food supplied by auxiliary storeship BANSHU MARU No. 21.

21 October 1943:
Departs Taichow Islands.

22 October 1943:
Arrives at Dinghai. Loads fuel.

26 October 1943:
Departs Dinghai on ASW sweep.

27 October 1943:
Arrives at Taichow Islands.

4 November 1943:
Departs Taichow Islands and arrives at Qiqu Archipelago later that day.

5 November 1943:
Departs Qiqu Archipelago and arrives at Fuyao Island later that same day.

7 November 1943:
Departs Fuyao Island and arrives at Heiniu Bay later in the day.

8 November 1943:
Departs Heiniu Bay and arrives at Fuyao Island later that day.

11 November 1943:
Departs Fuyao Island and calls at Heiniu Bay. Fresh food and fresh water supplied by auxiliary gunboat DAIGEN MARU No. 7. Departs there later that same day.

12 November 1943:
Arrives at Fuyao Island.

15 November 1943:
Departs Fuyao Island and arrives at Heiniu Bay later in the day. Fresh food supplied by civilian storeship BANSHU MARU No. 22.

16 November 1943:
Departs Heiniu Bay and arrives at Shipu later that day.

17 November 1943:
Departs Shipu and arrives at Qiqu Archipelago later that same day.

18 November 1943:
Departs Qiqu Archipelago and arrives at Ssu Chiao Shan (now Sijiao Island), Shengsi Archipelago later in the day.

21 November 1943:
Refueled and fresh water supplied by lighter KORYU MARU. Fresh food supplied by auxiliary storeship BANSHU MARU No. 21. Departs Sijiao Shan and arrives at Wusong later that day.

22 November 1943:
Departs Wusong and arrives at Shanghai later that same day. Docks at Kiangnan shipyard later.

28 November 1943:
Location of Type 93 13mm MG is changed. Fitted with new gunshield and gun rack to 7.7mm MG.

4 December 1943:
Undocked. Departs Kiangnan shipyard and arrives at Kiangnan later that same day.

5 December 1943:
Departs Kiangnan on trials and returns back there later in the day.

6 December 1943:
Loads fuel and fresh food. Departs Kiangnan and arrives at Shanghai later that day.

7 December 1943:
Departs Shanghai and arrives in Qiqu Archipelago waters later that same day.

8 December 1943:
Departs Qiqu Archipelago waters and arrives in Niubi Shan strait later in the day.

9 December 1943:
Departs Niubi Shan strait waters and arrives at Taichow Islands later that day.

10 December 1943:
Departs Taichow Islands on ASW patrol.

11 December 1943:
Arrives at Taichow Islands. Fresh water supplied.

13 December 1943:
Departs Taichow Islands on crew training mission and returns back to port. Fresh food supplied by auxiliary storeship BANSHU MARU No. 21. Departs again Taichow Islands on ASW patrol later that same day.

14 December 1943:
Arrives back at Taichow Islands.

15 December 1943:
Departs Taichow Islands and arrives at Heiniu Bay later in the day.

16 December 1943:
Departs Heiniu Bay and arrives at Taichow Islands later that day.

19 December 1943:
Departs Taichow Islands on ASW patrol and arrives back there later that same day. Fresh food supplied by civilian storeship BANSHU MARU No. 22. Refueled and fresh water supplied by lighter KORYU MARU.

20 December 1943:
Refueled and fresh water supplied.

21 December 1943:
Departs Taichow Islands on ASW patrol and arrives back there later that same day.

22 December 1943:
Departs Taichow Islands escorting convoy No. 228 consisting of 10 unidentified ships and destroyer KURETAKE.

23 December 1943:
Ends escort at Jiu Shan Islands and arrives at Taichow Islands later in the day.

26 December 1943:
Departs Taichow Islands on ASW patrol and arrives back there later that day.

27 December 1943:
Departs Taichow Islands escorting convoy No. 602 and arrives at Fuyao Island later that same day.

29 December 1943:
Departs Fuyao Island and arrives at Qiqu Archipelago later in the day.

30 December 1943:
Departs Qiqu Archipelago and arrives at Taichow Islands later that day.

1 January 1944:
Fresh water supplied by lighters SUZUHEI and YUNNAN MARUs.

2 January 1944:
Fresh food supplied by civilian storeship BANSHU MARU No. 22.

3 January 1944:
Departs Taichow Islands and arrives at Heiniu Bay later that same day.

4 January 1944:
Departs Heiniu Bay and arrives at Taichow Islands later in the day.

5 January 1944:
Departs Taichow Islands and arrives at Fu Du Waterways later that day.

6 January 1944:
Departs Fu Du Waterways and arrives at Dinghai later that same day.

7 January 1944:
Loads coal.

8 January 1944:
Fresh food supplied by lighter SENSHO MARU.

9 January 1944:
Departs Dinghai on patrol in Niubi Shan Strait and returns to Dinghai later in the day. Refueled.

10 January 1944:
Departs Dinghai and arrives at Taichow Islands later that day.

11 January 1944:
Departs Taichow Islands and arrives at Heiniu Bay later that same day.

12 January 1944:
Departs Heiniu Bay and arrives at Fuyao Island later in the day.

14 January 1944:
Departs Fuyao Island on patrol N of Qixing Island.

15 January 1944:
Arrives at Taichow Islands. Fresh food supplied by civilian storeship BANSHU MARU No. 22.

16 January 1944:
Departs Taichow Islands and calls at Jiu Shan Islands. Departs there later that day.

17 January 1944:
At 0100, 18 nautical miles N of Yushan starts escort of convoy No. 602. Arrives at Fuyao Island later that same day.

18 January 1944:
Departs Fuyao Island and arrives at Heiniu Bay later in the day. Fresh water supplied by lighter SUZUHEI MARU.

19 January 1944:
Departs Heiniu Bay on escort mission but cannot meet with convoy No. 129 and arrives at Taichow Islands later that day.

21 January 1944:
Departs Taichow Islands on ASW patrol towards Jiu Shan Islands and arrives back at Taichow Islands later that same day.

22 January 1944:
Fresh food supplied by lighter SENSHO MARU.

23 January 1944:
Departs Taichow Islands clearing path before arrival of convoy No. 130 and arrives at Nanji Shan. Departs there later in the day.

24 January 1944:
Arrives at Incog Island. Departs there and at 1130, starts with destroyer TSUGA to bolster escort of convoy No. 130 consisting of auxiliary oiler SAN DIEGO MARU, IJA oiler OGURA MARU No. 1 auxiliary hospital ship ASAHI MARU and IJA transports ATSUTA, MAYA, TERUKUNI and YASUKUNI MARUs, escorted by salvage tug KASASHIMA, auxiliary guard boat MYOJIN MARU No. 2 and auxiliary patrol boat SHINEI MARU. Soon after, off Foochow, the convoy is attacked by USAAF 14th Air Force North American B-25 “Mitchell” medium bombers. IJA transport PANAMA MARU carrying 2,229 men of 82nd and 83rd Infantry regiments, 21st Division, is bombed and sunk at 27-15N, 120-45E. One crewman, two gunners and 12 soldiers are KIA. All equipment as well as 5,034 tons of coal are lost. YASUKUNI and ATSUTA MARUs are damaged. SHINKO MARU No. 1 GO and TSUGA rescue survivors. At 1300, ends escort.

Arrives at Fuyao Island and departs there searching for IJN requisitioned ship (B-AK) RYUSEI (ex-Chinese Maritime Customs ship LIU HSING) survivors with the assistance of rescue boats No. 1 and No. 6. Returns back to port later that day.

25 January 1944:
At 0620, assigned to assist IJA transport MAYA MARU part of convoy No. 130 under Shanghai District instruction No 79. Departs Fuyao Island. At 0815, Assigned to sail towards Heiniu Bay under telegram No. 250-710. At 1030, assigned to reverse course under telegram No. 250-920. Sails to convoy No. 130’s position and assists MAYA MARU. At 1345, seven aircraft are observed at 26-35N, 120-45E. At 1555, rescues survivors of salvage tug KASASHIMA bombed and sunk earlier that same day. At 1725, rescue mission of damaged MAYA MARU is aborted under Shanghai District telegram No. 251-310.

26 January 1944:
Arrives at Taichow Islands. Fresh water supplied by lighter TOYOKUNI MARU.

29 January 1944:
Departs Taichow Islands on escort mission but cannot meet up with convoy No. 902 and arrives at Jiu Shan Islands later in the day.

30 January 1944:
Departs Jiu Shan Islands escorting IJA transport NITTSU MARU and arrives at Heiniu Bay later that day. Fresh food supplied by civilian storeship BANSHU MARU No. 22.

31 January 1944:
Departs Heiniu Bay and arrives at Taichow Islands later that same day. Fresh food supplied by civilian storeship BANSHU MARU No. 22 and fresh water supplied by lighter TOYOKUNI MARU.

2 February 1944:
Departs Taichow Islands on ASW patrol and arrives back there later in the day.

3 February 1944:
Departs Taichow Islands and arrives at Fu Du Waterways later that day.

4 February 1944:
Departs Fu Du Waterways and arrives at Dinghai later that same day. Replenishes fuel and fresh water.

7 February 1944:
Departs Dinghai clearing path before arrival of convoy and arrives at Taichow Islands later in the day.

10 February 1944:
Departs Taichow Islands and arrives at Jiu Shan Islands later that day.

11 February 1944:
Departs Jiu Shan Islands escorting convoy No. 001 and arrives at Taichow Islands. In response to a distress call from IJA transport SATSUMA MARU under air attack off Pashan So, departs there with destroyer TSUGA. They arrive too late to save the vessel, hit by six B-25s bombs and later torpedoed and sunk that day by LtCdr (later Rear Admiral) William S. Post Jr’s (USNA ‘30) USS GUDGEON (SS-211) with the loss of four of her crew, but rescue the survivors.

12 February 1944:
Arrives at Wusong and disembark SATSUMA MARU survivors.

13 February 1944:
Departs Wusong and arrives at Shanghai later that same day. Replenishes fuel and fresh water.

14 February 1944:
Supplied with fresh food, canteen goods and stored grain products.

16 February 1944:
Supplied with canteen goods and quartermaster items.

17 February 1944:
Departs Shanghai and arrives at Dayang Shan later in the day.

18 February 1944:
Departs Dayang Shan and arrives at Dinghai. Departs there later that day.

19 February 1944:
Arrives at Taichow Islands. Departs there and arrives at Shipu later that same day.

20 February 1944:
Departs Shipu on ASW patrol and arrives back at Shipu later in the day. Fresh food supplied by civilian storeship BANSHU MARU No. 22.

21 February 1944:
Departs Shipu on ASW patrol and returns back there later that day.

22 February 1944:
Departs Shipu and calls at Jiu Shan Islands. Departs there and arrives back at Shipu later that same day.

23 February 1944:
Departs Shipu and arrives at Taichow Islands later in the day.

24 February 1944:
Departs Taichow Islands and arrives at Shipu later that day.

26 February 1944:
Departs Shipu and arrives at Taichow Islands later in the day.

27 February 1944:
Departs Taichow Islands and arrives at Shipu later that same day.

28 February 1944:
Fresh water supplied by lighter TOYOKUNI MARU and fresh food supplied by lighter SENSHO MARU.

1 March 1944:
Departs Shipu on ASW patrol and arrives back at Shipu later in the day.

2 March 1944:
Departs Shipu and arrives in Niubi Shan Strait later that day.

6 March 1944:
Departs Niubi Shan Strait and arrives at Shipu later that same day. Fresh food supplied by auxiliary storeship BANSHU MARU No. 21.

7 March 1944:
Departs Shipu and arrives at Dinghai later in the day.

10 March 1944:
Fresh water and fresh food supplied by lighter SENSHO MARU.

11 March 1944:
Loads coal.

12 March 1944:
Departs Dinghai and arrives at Shipu.

14 March 1944:
Departs Shipu and calls at Taichow Islands. Departs there and arrives back at Shipu later that day.

15 March 1944:
Departs Shipu and arrives in Niubi Shan Strait later that same day.

17 March 1944:
Departs Niubi Shan Strait and arrives at Kinmen Island later in the day.

18 March 1944:
Departs Kinmen Island and arrives in Niubi Shan Strait later that day.

20 March 1944:
Departs Niubi Shan Strait and arrives at Dinghai later that same day.

22 March 1944:
Departs Dinghai and arrives in Niubi Shan Strait later in the day.

24 March 1944:
Departs Niubi Shan Strait and arrives at Shipu later that day.

25 March 1944:
Departs Shipu and arrives at Taichow Islands later that same day.

26 March 1944:
Departs Taichow Islands and arrives at Shipu later in the day.

27 March 1944:
Departs Shipu and arrives in Niubi Shan Strait later that day.

3 April 1944:
Departs Niubi Shan Strait and arrives at Shipu later that same day. Fresh food supplied by civilian storeship BANSHU MARU No. 22.

4 April 1944:
Departs Shipu on ASW patrol and arrives at Dongji Shan later in the day.

5 April 1944:
Departs Dongji Shan on ASW patrol and arrives in Niubi Shan Strait later that day.

8 April 1944:
Loads fresh water from IJA transport DAINICHI MARU. Departs Niubi Shan Strait later that same day.

9 April 1944:
Arrives at Dinghai. Fresh food supplied by auxiliary storeship BANSHU MARU No. 21 and fresh water supplied by IJA transport DAINICHI MARU.

10 April 1944:
Released from the 14th Gunboat Division by internal instruction No. 540. Removed from the Navy’s list under internal instruction No. 541. Registered again that same day as an auxiliary transport (Otsu) category attached to the Kure Naval Base with Kure as home port. Assigned directly to the Navy’s Department. [1]

E May 1944:
Assigned to Admiral Takasu Shiro’s (35) Southwest Fleet.

1944:
Her owners are changed to Minami Nippon Kisen K.K.

3 July 1944:
Departs Sesoko-Jima, NW of Okinawa and arrives at Seso, Kakeroma Island, S Amami-Oshima, Amami Gunto (Archipelago) later in the day.

4 August 1944:
At 0830, departs Takao, Formosa (now Kaohsiung, Taiwan) in convoy MI-13 also consisting of auxiliary oilers SHIMPO and KYOEI MARUs and OGURA MARU No. 2, IJA tankers ATAGO and TEIKON MARUs, IJA shared tankers (A/C-AO) ZUIYO and SHINCHO MARUs, civilian tanker (C-AO) TOKUWA MARU, IJA shared ore carriers (A/C-AC) HIGANE and HIYORI MARUs, civilian ore carrier (C-AC) KOKUSEI MARU, IJA transports DURBAN, KIZAN, URAL, RISSHUN and ATLAS MARUs and SHINSEI MARU No. 1, civilian cargo ship (C-AK) KUNIYAMA MARU and IJN transport T3 escorted by Destroyer ASAKAZE, kaibokan MATSUWA, KUSAGAKI, YASHIRO and CD-14, patrol boat P-38, minesweeper W-18, and auxiliary patrol boats EIFU, FUYO, KASUGA and NUNOBIKI MARUs.

7 August 1944:
Off Capones Island, Luzon. At 2205, LtCdr (later Captain) Enrique D. Haskin's (USNA ’33) USS GUITARRO (SS-363) torpedoes and sinks kaibokan KUSAGAKI at 14-50N, 119-57E. USS GUITARRO survives depth-charging by ASAKAZE and CD-14. 97 of KUSAGAKI's crew are KIA, 30 others drift throughout the night. In the morning, the survivors, including CO LtCdr Ozaki Takashi (60), are rescued by ASAKAZE and taken to Manila.

8 August 1944:
At 0900, the convoy arrives at Manila. SHINKO MARU No. 1 GO is detached as are DURBAN, KIZAN, RISSHUN, KUNIYAMA, SHINKO and ATLAS MARUs.

11 August 1944:
Departs Manila.

12 August 1944:
Arrives at Paluan Bay, Mindoro.

14 August 1944:
Departs Paluan Bay.

18 August 1944:
Arrives at Miri, Borneo.

9 January 1945:
Bantam Bay, E of Bawean Island, Borneo. Ltz 1 (LtCdr) Jacob F. Drijfhout van Hooff's Dutch submarine HMNS O-19, operating under ComSubSoWesPac, is alerted by an "Ultra" signal that a small convoy is steaming eastwards S of Borneo. Just before sunset, a mast appears on the horizon near Tandjung Puting. Van Hooff executes an "end around" to get ahead of the convoy consisting of SHINKO MARU No. 1 GO escorted by subchaser CH-5.

Van Hooff surfaces at sunset and sights a small freighter and an escort. He fires three torpedoes and gets a hit that sinks SHINKO MARU No. 1 GO at 03-41S-111-54E about 11 nautical miles SE of Tandjung Puting with unknown casualties.

1 February 1945:
Removed from the Navy’s list under instruction No. 101.

________________________________________


Authors notes :
[1] There were two categories of Zatsuyosen. (Ko) category with an IJN Captain as supervisor aboard and (Otsu) category without.

Thanks go to Gengoro S. Toda of Japan. Thanks go to the late John Whitman of Virginia, USA for info on CNO intercepts of Japanese messages.

Gilbert Casse and Peter Cundall.


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