Japanese Auxiliary Netlayers

KYUSETSUMOKAN!

HOKAKUMOTEI!
(SANSUI MARU painting, prewar)

IJN SANSUI MARU:
Tabular Record of Movement

© 2024 Gilbert Casse, Berend van der Wal and Peter Cundall

13 December 1933:
Kobe. Laid down by Mitsubishi Jukogyo K.K shipyard as an 812-tons passenger ship for Setsuyo Shosen K.K.
2 May 1934:
Launched and named SANSUI MARU.
30 June 1934:
Completed and registered at Osaka. Her gross registered (GRT) tonnage and net registered tonnage (NRT) respectively are 812-tons and 455-tons. Her call sign is JXFH. [1]
July 1934:
Her owners are restyled to Setyo Shosen K.K. In service on the Hanshin (Osaka), Wakaura, Komatsushima route.
29 October 1936:
Departs Osaka as an observing ship for the 1936 Special Great Maneuvers. Arrives back at Osaka later this day.
8 November 1941:
At 0216, scratches her hull at Kobe Port, S breakwater.
25 November 1941:
Requisitioned by the IJN.
20 December 1941:
Registered as an auxiliary netlayer attached to the Sasebo Naval District under Navy's Instruction No. 1701.
31 December 1941:
Attached to the Kure Naval District under Navy's instruction No. 1779. Attached to Kure Defense Squadron, Saeki Defense Force, under Navy's instruction No. 1780.
January 1942:
Navy (Resv) Lt(jg). Inoue Tetsurou is appointed CO. Completes conversion for military duty.
26 January 1942:
Departs Saeki. Arrives back there later that day.
29 January 1942:
Departs Saeki. Arrives back there later this day.
5 February 1942:
Departs Saeki. Arrives back there later that day.
15 February 1942:
Departs Saeki. Arrives back at Saeki later this day.
16 February 1942:
Departs Saeki. Arrives at Misaki later that day.
17 February 1942:
Departs Misaki. Arrives at Usuki later this day.
18 February 1942:
Departs Usuki. Arrives at Saeki later that day.
21 February 1942:
Departs Saeki with minelayers NATSUSHIMA, KUROKAMI and KATASHIMA and tug EISEN No. 13 escorting auxiliary cruiser BANGKOK MARU on anti-submarine netlaying in Hashira Jima Channel and Hiroshima Bay. BANGKOK MARU carries 30 anti-submarine nets, 185 mines, 206 anchors etc. Calls at Motoura (Hashira-Jima). Departs there later that same day.
22 February 1942:
Arrives at Motoura.
24 February 1942:
Departs Motoura. Arrives at Kure later this day.
25 February 1942:
Departs Kure. Arrives at Motoura later that day.
2 March 1942:
Departs Motoura. Arrives at Kure later this day.
March 1942:
Navy (Resv) Lt. Yamazaki Minoru is appointed CO.
3 March 1942:
Departs Kure. Arrives at Motoura later that day.
8 March 1942:
Departs Motoura. Arrives at Kure later this day.
9 March 1942:
Departs Kure. Arrives at Motoura later that day.
10 March 1942:
Departs Motoura. Arrives back there later this day.
13 March 1942:
Departs Motoura. Arrives back there later that day.
14 March 1942:
Departs Motoura. Arrives at Saeki later this day.
17 March 1942:
Departs Saeki. Arrives at Sen-Zaki later that day.
18 March 1942:
Departs Sen-Zaki. Arrives at Fukuura later this day.
19 March 1942:
Departs Fukuura. Arrives at Kashiwa later that day.
20 March 1942:
Kansai Kisen K.K. makes a cash investment to her actual owners. Departs Kashiwa. Arrives at Saeki later this day.
24 March 1942:
Departs Saeki.
25 March 1942:
Arrives at Saeki.
26 March 1942:
Departs Saeki.
27 March 1942:
Arrives at Saeki.
30 March 1942:
Departs Saeki. Arrives back there later that day.
31 March 1942:
Departs Saeki.
1 April 1942:
Arrives at Saeki.
2 April 1942:
Departs Saeki. Arrives back there later that day.
6 April 1942:
Departs Saeki. Arrives at Fukuura later this day.
7 April 1942:
Departs Fukuura. Arrives at Sukumo later that day.
8 April 1942:
Departs Sukumo. Arrives back there later this day.
9 April 1942:
Departs Sukumo. Arrives at Kashiwa later that day.
10 April 1942:
Departs Kashiwa. Arrives at Iwamatsu later this day.
11 April 1942:
Departs Iwamatsu. Arrives at Uwajima later that day.
12 April 1942:
Departs Uwajima. Arrives at Saeki later this day.
14 April 1942:
Changes anchorage.
15 April 1942:
Departs Saeki.
16 April 1942:
Arrives at Saeki.
17 April 1942:
Departs Saeki.
18 April 1942:
Arrives at Saeki.
19 April 1942:
Departs Saeki.
20 April 1942:
Arrives at Saeki.
21 April 1942:
Departs Saeki.
22 April 1942:
Arrives at Saeki.
23 April 1942:
Departs Saeki. Arrives back there later that day.
25 April 1942:
Departs Saeki.
26 April 1942:
Arrives at Saeki.
28 April 1942:
Departs Saeki.
29 April 1942:
Arrives at Saeki.
1 May 1942:
Departs Saeki.
2 May 1942:
Arrives at Saeki.
4 May 1942:
Ownership is changed to Kansai Kisen K.K. Departs Saeki that same day.
5 May 1942:
Arrives at Saeki.
7 May 1942:
Departs Saeki.
8 May 1942:
Arrives at Saeki.
10 May 1942:
Departs Saeki.
11 May 1942:
Arrives at Saeki.
13 May 1942:
Departs Saeki.
14 May 1942:
Arrives at Saeki.
16 May 1942:
Departs Saeki.
17 May 1942:
Arrives at Saeki.
19 May 1942:
Departs Saeki.
20 May 1942:
Arrives at Saeki.
21 May 1942:
Departs Saeki.
22 May 1942:
Arrives at Saeki.
24 May 1942:
Departs Saeki.
25 May 1942:
Arrives at Saeki.
27 May 1942:
Departs Saeki.
28 May 1942:
Arrives at Saeki.
29 May 1942:
Departs Saeki. Arrives back there later this day.
30 May 1942:
Departs Saeki.
31 May 1942:
Arrives at Saeki.
2 June 1942:
Departs Saeki.
3 June 1942:
Arrives at Saeki.
6 June 1942:
Departs Saeki. Arrives back there later that day.
7 June 1942:
Departs Saeki. Arrives back there later this day.
8 June 1942:
Departs Saeki.
9 June 1942:
Arrives at Saeki.
10 June 1942:
Departs Saeki. Arrives back there later that day.
11 June 1942:
Departs Saeki.
12 June 1942:
Arrives at Saeki.
14 June 1942:
Departs Saeki.
15 June 1942:
Arrives at Saeki.
17 June 1942:
Departs Saeki.
18 June 1942:
Arrives at Saeki.
21 June 1942:
Departs Saeki.
22 June 1942:
Arrives at Saeki.
24 June 1942:
Departs Saeki.
25 June 1942:
Arrives at Saeki.
27 June 1942:
Departs Saeki.
28 June 1942:
Arrives at Saeki.
30 June 1942:
Departs Saeki.
1 July 1942:
Arrives at Saeki.
3 July 1942:
Departs Saeki.
4 July 1942:
Arrives at Saeki.
5 July 1942:
Departs Saeki. Arrives back there later this day.
6 July 1942:
Departs Saeki.
7 July 1942:
Arrives at Saeki.
8 July 1942:
Departs Saeki.
9 July 1942:
Arrives at Saeki.
10 July 1942:
Departs Saeki.
11 July 1942:
Arrives at Saeki.
13 July 1942:
Departs Saeki.
14 July 1942:
Arrives at Saeki.
16 July 1942:
Departs Saeki.
17 July 1942:
Arrives at Saeki.
19 July 1942:
Departs Saeki.
20 July 1942:
Arrives at Saeki.
22 July 1942:
Departs Saeki.
26 July 1942:
Arrives at Saeki.
28 July 1942:
Departs Saeki.
30 July 1942:
Arrives at Saeki.
1 August 1942:
Navy (Resv) Lt. Yamazaki Minoru remains CO. Departs Saeki later that same day.
2 August 1942:
Arrives at Saeki.
4 August 1942:
Departs Saeki.
5 August 1942:
Arrives at Saeki.
8 August 1942:
Departs Saeki.
9 August 1942:
Arrives at Saeki.
10 August 1942:
Departs Saeki. Arrives back there later that day.
11 August 1942:
Departs Saeki.
12 August 1942:
Arrives at Saeki.
13 August 1942:
Departs Saeki.
14 August 1942:
Arrives at Saeki.
16 August 1942:
Departs Saeki.
17 August 1942:
Arrives at Saeki.
19 August 1942:
Departs Saeki.
20 August 1942:
Arrives at Yawatahama.
21 August 1942:
Departs Yawatahama. Arrives at Uwajima later this day.
22 August 1942:
Departs Uwajima. Arrives at Saeki later that day.
25 August 1942:
Departs Saeki.
26 August 1942:
Arrives at Kure.
7 September 1942:
Departs Kure. Arrives at Kozaki later this day.
30 September 1942:
Departs Kozaki on a test run. Arrives back there later that day.
2 October 1942:
Departs Kozaki. Arrives at Kure later this day.
9 October 1942:
Departs Kure.
10 October 1942:
Arrives at Saeki.
13 October 1942:
Departs Saeki. Arrives back there later that day.
17 October 1942:
Departs Saeki.
19 October 1942:
Arrives at Saeki.
20 October 1942:
Departs Saeki.
21 October 1942:
Arrives at Saeki.
20 October 1942:
Departs Saeki.
21 October 1942:
Arrives at Saeki.
24 October 1942:
Departs Saeki.
27 October 1942:
Arrives at Saeki.
28 October 1942:
Departs Saeki.
29 October 1942:
Arrives at Saeki.
30 October 1942:
Departs Saeki.
31 October 1942:
Arrives at Saeki.
2 November 1942:
Departs Saeki.
3 November 1942:
Arrives at Saeki.
5 November 1942:
Departs Saeki.
6 November 1942:
Arrives at Saeki.
8 November 1942:
Departs Saeki.
9 November 1942:
Arrives at Kitsuki.
10 November 1942:
Departs Kitsuki. Arrives back there later this day.
11 November 1942:
Departs Kitsuki.
12 November 1942:
Arrives at Saeki.
12 December 1942:
Changes anchorage.
24 December1942:
Changes anchorage.
29 December 1942:
Departs Saeki. Arrives back there later that day.
2 January 1943:
Changes anchorage.
4 January 1943:
Departs Saeki.
4 January 1943:
Arrives at Agenosho.
5 January 1943:
Departs Agenosho. Arrives at Kure later this day.
15 January 1943:
Departs Kure. Arrives at Saeki later that day.
18 January 1943:
Departs Saeki.
19 January 1943:
Arrives at Saeki.
21 January 1943:
Departs Saeki.
22 January 1943:
Arrives at Saeki.
24 January 1943:
Departs Saeki.
25 January 1943:
Arrives at Saeki.
27 January 1943:
Departs Saeki.
28 January 1943:
Arrives at Saeki.
30 January 1943:
Departs Saeki.
31 January 1943:
Arrives at Saeki.
2 February 1943:
Departs Saeki.
3 February 1943:
Arrives at Saeki.
5 February 1943:
Departs Saeki.
6 February 1943:
Arrives at Saeki.
8 February 1943:
Departs Saeki.
9 February 1943:
Arrives at Saeki.
11 February 1943:
Departs Saeki.
12 February 1943:
Arrives at Saeki.
13 February 1943:
Departs Saeki. Arrives back there later this day.
14 February 1943:
Departs Saeki. Arrives back there later that day. Assigned as a direct guard ship for diving school education from 16 Feb until 17 Feb ‘43 under Kure Defense War Telegram No. 66.
15 February 1943:
Departs Saeki. Arrives at Kure later this day.
17 February 1943:
Departs Kure. Arrives at Agenosho later that day.
18 February 1943:
20 February 1943:
Changes anchorage.
26 February 1943:
Change anchorage.
27 February 1943:
Departs Saeki. Arrives at Kure later that day.
March 1943:
Navy (Resv) Lt. Sumi Shozaburo is appointed CO.
1 March 1943:
Departs Kure. Arrives at Saeki later this day.
2 March 1943:
Changes anchorage.
6 March 1943:
SE Toi Mizaki, Miyazaki Prefecture. IJA transport CLYDE MARU is damaged by a dud torpedo fired by LtCdr Eugene T. Sands' (USNA '30) USS SAWFISH (SS-276).
7 March 1943:
Receives Kure Defense Squadron wireless order No. 77:
1 - 31st Mine Warfare Force Commander assigns two ships of his force (auxiliary minesweeper TAMA MARU No. 7 and one other unknown vessel) to patrol the bay mouth N Cape Toi (Toi Misaki) and Cape Fire (Hi-Saki) connecting line.
2 - Commander of Saeki Defense Force assigns:
A - Subchaser CH-36, patrol boat PB-31 and cable minelayer TSURUSHIMA to carry out anti-submarine sweeps within 15 nautical miles centered on Cape Toi.
B - Above mentioned ships are to patrol the anchorage while auxiliary netlayer SANSUI MARU conducts rescue works for IJA transport CLYDE MARU.
3 - Saeki Air Corps advances to Kanoya Navy Air Corps on 7 Mar ‘43 and cooperates with above listed navy vessels.
4 - Patrol boat PB-46 and minelayer NASAMI transfer to the convoy after completion of escort.
Departs Saeki that same day to assist damaged Army transport CLYDE MARU.
8 March 1943:
Arrives at Saeki. Changes anchorage.
12 March 1943:
Departs Saeki.
13 March 1943:
Arrives at Saeki.
15 March 1943:
Departs Saeki.
16 March 1943:
Arrives at Saeki.
18 March 1943:
Departs Saeki.
19 March 1943:
Arrives at Saeki.
21 March 1943:
Departs Saeki.
22 March 1943:
Arrives at Saeki.
24 March 1943:
Departs Saeki.
25 March 1943:
Arrives at Saeki.
27 March 1943:
Assigned to participate in 10th combined training under Saeki Defense Force Instruction No. 2. Departs Saeki on patrol later in the day.
28 March 1943:
Engages in combined training.
29 March 1943:
Arrives at Saeki. Changes anchorage.
3 April 1943:
Departs Saeki. Arrives back there later that day.
6 April 1943:
Departs Saeki.
7 April 1943:
Arrives at Saeki.
11 April 1943:
Departs Saeki.
12 April 1943:
Arrives at Saeki.
13 April 1943:
Changes anchorage.
16 April 1943:
Departs Saeki.
17 April 1943:
Arrives at Saeki.
19 April 1943:
Departs Saeki.
20 April 1943:
Arrives at Saeki.
22 April 1943:
Departs Saeki.
23 April 1943:
Arrives at Saeki.
25 April 1943:
Departs Saeki.
26 April 1943:
Arrives at Saeki.
28 April 1943:
Departs Saeki.
29 April 1943:
Arrives at Saeki.
3 May 1943:
Departs Saeki.
4 May 1943:
Arrives at Saeki.
6 May 1943:
Departs Saeki.
7 May 1943:
Arrives at Saeki.
9 May 1943:
Departs Saeki.
10 May 1943:
Arrives at Saeki.
12 May 1943:
Departs Saeki.
13 May 1943:
Arrives at Saeki.
14 May 1943:
Departs Saeki.
15 May 1943:
Arrives at Saeki.
17 May 1943:
Changes anchorage.
19 May 1943:
Departs Saeki. Arrives back there later that day.
20 May 1943:
Departs Saeki. Arrives at Kure later this day.
22 May 1943:
Departs Kure.
23 May 1943:
Arrives at Yoshimi. Departs there on minelaying. Arrives back at Yoshimi later this same day.
24 May 1943:
Departs Yoshimi on minelaying. Arrives back there later that day.
25 May 1943:
Departs Yoshimi. Arrives back there later this day.
26 May 1943:
Departs Yoshimi. Arrives back there later that day.
27 May 1943:
Departs Yoshimi. Arrives at Moji later this day.
28 May 1943:
Departs Moji. Arrives at Saeki later that day.
29 May 1943:
Departs Saeki. Arrives back there later this day.
11 June 1943:
Departs Saeki. Arrives back there later that day.
15 June 1943:
Departs Saeki. Calls at Usuki. Departs there later that same day.
16 June 1943:
Arrives at Beppu.
17 June 1943:
Departs Beppu. Arrives at Saeki later this day.
25 June 1943:
Departs Saeki. Arrives at Yonezu.
26 June 1943:
Departs Yonezu. Arrives at Saeki later this day.
1 July 1943:
Navy (Resv) Lt. Sumi Shozaburo remains CO.
8 July 1943:
Departs Saeki. Arrives at Kure later that day.
9 July 1943:
Departs Kure.
10 July 1943:
Arrives at Saeki.
24 July 1943:
Departs Saeki. Arrives at Kure later this day.
25 July 1943:
Departs Kure. Arrives at Saeki later this day.
28 July 1943:
Departs Saeki. Arrives at Sukumo later that day.
29 July 1943:
Departs Sukumo. Arrives at Saeki later this day.
3 August 1943:
Departs Saeki. Returns there later that day.
6 August 1943:
Departs Saeki. Arrives at Yanai later this day.
7 August 1943:
Departs Yanai. Arrives at Kure later that day.
8 August 1943:
Departs Kure. Arrives at Saeki later this day.
9 August 1943:
Departs Saeki. Arrives at Yoshimi later that day.
11 August 1943:
Departs Yoshimi. Arrives at Saganoseki later this day.
12 August 1943:
Departs Saganoseki. Arrives at Saeki later that day.
17 August 1943:
Departs Saeki on minesweeping route ahead. Returns there later this day.
6 September 1943:
Departs Saeki. Calls at Usuki. Departs there and arrives at Saeki later that same day.
11 September 1943:
Departs Saeki.
13 September 1943:
Arrives at Saeki. Departs there and arrives at Ujina later that same day.
14 September 1943:
Departs Ujina. Arrives at Saeki later this day. Changes anchorage.
15 September 1943:
Departs Saeki. Returns there later that day.
18 September 1943:
Changes anchorage.
20 September 1943:
Departs Saeki. Returns there later this day.
26 September 1943:
Departs Saeki. Returns there later that day.
27 September 1943:
Changes anchorage.
28 September 1943:
Departs Saeki. Arrives at Kure later this day.
29 September 1943:
Changes anchorage.
30 September 1943:
Departs Kure. Arrives back there later that day.
October 1943:
Navy (Resv) Lt. Tanaka Takeichi is appointed CO.
1 October 1943:
Departs Saeki transporting flood relief goods. Returns there later this day.
2 October 1943:
Changes anchorage.
3 October 1943:
Departs Saeki. Arrives at Kure later that day.
4 October 1943:
Departs Kure. Arrives at Kodomari later this day.
5 October 1943:
Departs Kodomari. Arrives at Saeki later that day.
7 October 1943:
Departs Saeki. Calls at Yonezu. Departs there and arrives at Saeki later this same day.
15 October 1943:
Navy (Resv) Lt. Takeoka Takeichi remains CO.
20 October 1943:
Departs Saeki on an anti-submarine training. Returns there later that day.
21 October 1943:
Departs Saeki on minesweeping inspection. Returns there later this day.
22 October 1943:
Departs Saeki on minesweeping work. Arrives at Fukuura, Ehime prefecture later that day.
23 October 1943:
Departs Fukuura on minesweeping work. Returns there later this day.
24 October 1943:
Departs Fukuura on minesweeping work. Arrives at Saeki later that day.
26 October 1943:
Departs Saeki on minesweeping work. Arrives at Urashiro later this day.
27 October 1943:
Departs Urashiro on minesweeping work. Returns there later that day.
29 October 1943:
Departs Urashiro on minesweeping work. Returns there later that day.
30 October 1943:
Departs Urashiro on minesweeping work. Arrives at Fukuura later this day.
1 November 1943:
Departs Fukuura. Arrives at Saeki later that day.
4 November 1943:
Departs Saeki on anti-submarine alert. Arrives at Urashiro later this day.
5 November 1943:
Departs Urashiro on anti-submarine alert. Returns there later that day.
6 November 1943:
Departs Urashiro on anti-submarine alert. Arrives at Saeki later this day.
7 November 1943:
Departs Saeki. Returns there later that day.
10 November 1943:
Departs Saeki on anti-submarine alert. Returns there later this day.
12 November 1943:
Departs Saeki on anti-submarine alert. Arrives at Yonezu later that day.
13 November 1943:
Departs Yonezu on anti-submarine alert. Arrives at Saeki later this day.
15 November 1943:
Departs Saeki. Arrives at Yonezu later that day.
16 November 1943:
Departs Yonezu on anti-submarine alert. Arrives at Saeki later this day.
18 November 1943:
Departs Saeki.
19 November 1943:
Arrives at Kure.
21 November 1943:
Departs Kure. Arrives at Innoshima later that day.
12 December 1943:
Departs Innoshima on official test run. Returns there later this day.
13 December 1943:
Departs Innoshima. Arrives at Kure later that day.
16 December 1943:
Departs Kure on detector trial . Returns there later this day.
18 December 1943:
Departs Kure. Arrives at Saeki later that day.
21 December 1943:
Convoy No. O-106 consisting of IJA transports CHIBURI, IKOMA, KOSEI, NICHIAI and YASUKUNI MARUs and IJN requisitioned (B-AK) UYO MARU escorted by patrol boat PB-31, auxiliary subchaser TAMA MARU No. 6 and auxiliary minesweeper TAMA MARU (‘39) departs Saeki.
At 1134, LtCdr (later Rear Admiral) Robert E. M. Ward’s (USNA ‘35) USS SAILFISH (SS-192) torpedoes and sinks UYO MARU carrying 950 men of the 202nd Naval Construction Unit. 192 construction men are KIA.
Receives Kure Defense Squadron Telegram No. 415:
At 0106, a convoy was torpedoed in Fukushima at 145° 17°.
1 - Airforce Commander should immediately use all his forces to destroy the enemy submarine.
2 - Saeki Defense Force Commander should form a sweeping force consisting of auxiliary patrol boat HINODE MARU No. 3 and auxiliary subchasers MATO and KOSHUN MARUs and destroy enemy submarines.
3 - 31st Mine Sweeping Division Commander commands minelayer YURIJIMA and auxiliary minesweeper TAKUNAN MARU No. 8 and TAMA MARU No. 7 and sorties as soon as they are ready. Enemy submarines should be destroyed.
4 - Saeki Defense Force Commander should use auxiliary netlayers SANSUI and TAISHU MARUs to rescue personnel.
5 - 31st Minesweeping Division Commander should direct Saeki Defense Force Sweeping Squadron regarding anti-submarine attacks.
Departs Saeki on IJN requisitioned (B-AK) UYO MARU rescue work. Returns there later this day.
22 December 1943:
Departs Saeki. Calls at Beppu. Departs there and arrives at Saeki later this same day.
23 December 1943:
Departs Saeki. Arrives at Kure later that day.
24 December 1943:
Departs Kure. Arrives at Saeki later this day.
25 December 1943:
Changes anchorage.
29 December 1943:
Departs Saeki. Arrives at Kure later that day.
30 December 1943:
Departs Kure. Arrives at Oita later this day.
31 December 1943:
Departs Oita. Arrives at Saeki later that day.
January 1944:
Navy (Resv) Lt. Takeoka Yoshio is appointed CO.
6 January 1944:
Departs Saeki on anti-submarine training. Returns there later this day.
11 January 1944:
Departs Saeki on rescue work. Returns there later that day.
19 January 1944:
Departs Saeki. Calls at Oita. Departs there and performs an advance anti-submarine sweep with auxiliary minesweepers TAMA MARU, TAMA MARU No. 6 and cable minelayer TSURUSHIMA for incoming damaged destroyer SUZUTSUKI [2] being towed by HATSUZUKI. Arrives at Saeki later that day.
24 January 1944:
Departs Saeki on rescue work. Returns there later this day.
27 January 1944:
Changes anchorage.
31 January 1944:
Changes anchorage.
February 1944:
Navy (Resv) Sumi Shozaburo is appointed CO.
2 February 1944:
Changes anchorage.
3 February 1944:
Departs Saeki on anti-submarine training. Returns there later that day.
4 February 1944:
Changes anchorage.
5 February 1944:
Changes anchorage.
6 February 1944:
Changes anchorage.
7 February 1944:
Changes anchorage.
10 February 1944:
Changes anchorage.
11 February 1944:
Departs Saeki on patrol for Oshima Base Force. Returns there later this day.
13 February 1944:
Departs Saeki on detector testing. Returns there later that day.
14 February 1944:
Departs Saeki on recruits training practice. Returns there later this day.
16 February 1944:
Departs Saeki on patrol of Base Force.
17 February 1944:
Arrives at Saeki.
20 February 1944:
Departs Saeki on target work. Returns there later that day.
22 February 1944:
Departs Saeki on target work. Returns there later this day.
24 February 1944:
Departs Saeki on anti-submarine training. Returns there later that day.
26 February 1944:
Departs Saeki on anti-submarine training. Returns there later that day.
29 February 1944:
Departs Saeki and returns there later that day.
27 March 1944:
Departs Saeki.
15 May 1944:
Arrives at Suruga Bay.
20 May 1944:
Departs Suruga Bay.
2 June 1944:
Reported sailing westward in Inland Sea area.
7 June 1944:
Arrives at Saeki.
September 1944:
Navy (Resv) Lt(jg). Kogai Uji is appointed CO.
24 September 1944:
Departs Saeki.
25 September 1944:
Arrives at Saeki.
2 October 1944:
Departs Saeki.
3 October 1944:
Arrives at Saeki.
9 October 1944:
Departs Saeki.
13 October 1944:
Arrives at Saeki.
15 October 1944:
Departs Saeki.
16 October 1944:
Arrives at Saeki.
21 October 1944:
Departs Saeki. Returns there later this day.
29 October 1944:
Departs Saeki.
30 October 1944:
Arrives at Saeki.
13 November 1944:
Departs Saeki.
16 November 1944:
Arrives at Saeki.
18 November 1944:
Departs Saeki on target towing. Returns there later that day.
22 November 1944:
Departs Saeki on target towing. Returns there later this day.
2 December 1944:
Departs Saeki on target towing.
3 December 1944:
Arrives at Saeki.
5 December 1944:
Departs Saeki on target towing. Returns there later that day.
11 December 1944:
Departs Saeki on target towing. Returns there later this day.
14 December 1944:
Departs Saeki on target towing.
15 December 1944:
Arrives at Saeki.
21 December 1944:
Departs Saeki.
24 December 1944:
Arrives at Saeki.
25 December 1944:
Departs Saeki on electric search testing. Returns there later that day.
26 December 1944:
Departs Saeki.
27 December 1944:
Arrives at Saeki.
E1 ~ 4 January 1945:
Departs Saeki.
5 January 1945:
Arrives at Saeki.
2 February 1945:
Departs Saeki.
7 February 1945:
Arrives at Saeki.
15 February 1945:
Departs Saeki on IJA submarine transport YU-15 rescue mission and towing due to engine failure. Returns there later this day.
27 February 1945:
Departs Saeki.
28 February 1945:
Arrives at Saeki.
20 April 1945:
Departs Saeki.
21 April 1945:
Arrives at Saeki.
5 June 1945:
From 10 Jun until 2 Jul ’45, placed under command of 101th Special Attack (Kamikaze) Squadron Commander unless it interferes with the operation, under Kure Shigenobu Telegram No. 20.
25 ~ 27 June 1945:
Attack training of 101st Special Attack Squadron at Matsuura Bay.
28 ~ 29 June 1945:
Performs combined training at Bungo Channel and Saeki Bay.
15 August 1945 At Osaka at the end of hostilities. Remains in service. Allotted SCAJAP No. S-009.
30 November 1945:
Deregistered under Call No. 301730.
30 August 1946:
Removed from the Navy’s list.
15 April 1946:
Released to her owners. Used as passenger ship again.
14 November 1967:
Sold to Sano Yasu Shoji (Osaka) and dismantled at Utsumi-Machi, Kagawa Prefecture.

Authors' Notes:
[1] NRT is a ship's cargo volume capacity expressed in "register tons", one of which equals to a volume of 100 cubic feet (2.83 m3). It is calculated by subtracting non-revenue-earning spaces i.e. spaces not available for carrying cargo, for example engine rooms, fuel tanks and crew quarters, from the ship's gross register tonnage (GRT). Net register tonnage (NRT) is not a measure of the weight of the ship or its cargo, and should not be confused with terms such as deadweight tonnage or displacement.
[2] SUZUTSUKI was heavily damaged after having been torpedoed 16 Jan ’43 by LtCdr (later Rear Admiral-Ret) Herman A. Pieczentkowski (USNA ’30) USS STURGEON (SS-187). Hit by two torpedoes, both bow and stern blown off; 135 dead including Commander Seo, Comdesdiv 61 (Navy Captain Tomari Mitsuyoshi (46), and 89 soldiers.
Thanks go to Gengoro S. Toda of Japan.

- Gilbert Casse, Berend van der Wal and Peter Cundall.

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