Japanese Subchasers

KUSENTEI!

IJN Subchaser CH-3 Tabular Record of Movement
© 2005-2021 Bob Hackett, Sander Kingsepp and Peter Cundall
Revision 14

17 April 1935:
Yokohama. Laid down at Tsurumi Ship Building.
6 June 1936:
Launched and numbered CH-3.
5 October 1936:
Completed and registered in the IJN.
April 1941:
Reserve LtCdr Mizutani Katsuji is appointed CO.
7 December 1941: Operation "M" - The Invasion of the Northern Philippines:
CH-3 is in Rear Admiral (later Vice Admiral) Kubo Kyuji’s (38) (former CO of KAGA) First Base Force of Vice Admiral Takahashi Ibo’s (35)(former CO of YAMASHIRO) Third Fleet. CH-3 is attached to Takahashi's Philippines Seizure Force in LtCdr Okawara’s SubChasDiv 1 with CH-1 and CH-2.

10 December 1941:
Beginning at 0550, participates in the landings at Aparri, Philippines. Led by Rear Admiral Hara Kezaburo (37) in Light Cruiser NATORI with destroyers ASAKAZE, HARUKAZE, HATAKAZE, MATSUKAZE (Desdiv 5), FUMITSUKI, MINATSUKI, NAGATSUKI and SATSUKI (DesDIv 22), minesweepers W-15, W-16 and W-19 (MineSweepDiv 11), auxiliary gunboats MANYO, TOMITSU and TAIKO MARUs (GunboatDiv 2) and subchasers CH-13, CH-14 and CH-15 (SubChaseDiv 2). CH-1 is in SubChaseDiv 1 consisting of CH-1, CH-2 and CH-3. The aircraft transport KEIYO MARU and five transports make up the landing force.
12 December 1941:
At 1800 CH-1, CH-2, CH-3 and CH-13, CH-14 and CH-15 all depart Aparri for Takao.
14 December 1941:
At 1330 arrives at Takao.
18 December 1941:
At 1600 CH-1, CH-2, CH-3 and CH-13, CH-14 and CH-15 all depart Takao for Lamon Bay.
24 December 1941:
At 0330 CH-1, CH-2, CH-3 and CH-13, CH-14 and CH-15 all arrive Lamon Bay.
27 December 1941:
At 1000 CH-1, CH-2 and CH-3 depart Lamon Bay.
31 December 1941:
At 0800 arrives at Davao.
6 January 1942:
At 1100 departs Davao.
7 January 1942:
Arrives at Magunaga Bay.

9 January 1942: Operation "H" - The Invasion of Celebes, Netherlands East Indies:
SubChasDiv 1's CH-3, CH-1 and CH-2 depart Davao with light cruiser NAGARA, patrol boats P-1, P-2, P-34 and MineSweepDiv 21's W-7, W-8, W-9, W-11 and W-12 escorting eight transports carrying Captain (later Vice Admiral) Mori Kunizo's (former CO of AO SATA) Sasebo No. 1 Combined Special Naval Landing Force (SNLF) and Rear Admiral Kubo's 1st Base Force.
11 January 1942: The Invasion of Menado, Celebes Dutch East Indies:
SubChasDiv 1’s CH-3, CH-1 and CH-2 and Rear Admiral Kubo’s 1st Base Force with NAGARA, MineSweepDiv 21 and patrol boats provide escort for the Menado invasion force of eight transports carrying Sasebo No. 1 Combined SNLF.
At 0300, the SNLF lands on Kema, Celebes. At 0400, they land on Menado. Later, 334 men of Cdr (later Captain) Horiuchi Toyoaki's (50) (later XO of TAKAO) Yokosuka No. 1 SNLF (Air) are dropped successfully from Mitsubishi G3M1-L "Nell" converted transport aircraft in the Menado-Kema area. The paratroops seize Langoan airfield.
17 January 1942:
CH-3 departs Menado at 0130 but returns at 1150.
20 January 1942:
At 18320 arrives at Banka.
21 January 1942:
At 1220 departs Banka.
24 January 1942:
At 0200 arrives at Kendari.
31 January 1942: The Invasion of Ambon Island, Netherlands East Indies:
The invasion convoy includes ten transports carrying 820 men of Rear Admiral (later Vice Admiral) Hatakeyama Kouichiro's (39) (former CO of KINUGASA) Kure No. 1 SNLF, elements of the Sasebo SNLF and the 228th Infantry Regiment.
The convoy's escort is provided by SubChasDiv 1’s CH-2, CH-1 and CH-3 with Rear Admiral (later Vice Admiral) Tanaka Raizo (41) in light cruiser JINTSU with DesDiv 8's DesDiv 15 and DesDiv 16, MineSweepDiv 21 and patrol boats PB-34 and PB-39. Air cover is provided by CarDiv 11's MIZUHO and CHITOSE. CruDiv 5's NACHI and HAGURO, DesDiv 6's IKAZUCHI and DesDiv 7's USHIO and SAZANAMI provide the covering force.
1 February 1942:
CH-2 and CH-3 arrive at Banka at 1200.
2 February 1942:
CH-3 departs Banka at 1400 and later join up with survey ship TSUKUSHI, minelayer AOTAKA, submarine chaser CH-14, patrol boats PB-1, PB-2, IKUSHIMA, MATSUE, MONTEVIDEO, SAN CLEMENTE and YAMASHIMO MARUs. IKUSHIMA MARU carries 5th and 6th construction units.
4 February 1942:
At 0637, arrives at Kendari.
5-10 February 1942: The Invasion of Makassar, Celebes:
SubChasDiv 1’s CH-3, CH-1 and CH-2 and Rear Admiral Kubo’s 1st Base Force with NAGARA, MineSweepDiv 21 and SubchasDiv 2 provide escort for the Makassar invasion force of six transports carrying Mori's Sasebo Combined SNLF.
8 February 1942:
At 1220 CH-2 and CH-3 depart Kendari.
12 February 1942:
At 1130 CH-2 and CH-3 arrive at Davao.
13 February 1942:
At 2350 CH-2 and CH-3 departs Davao.
16 February 1942:
At 0930 CH-2 and CH-3 arrive at Kendari.
18 February 1942:
CH-3 meets up with KASUGA MARU one of the transports en route from Kendari to Kupang with invasion troops. Auxiliary seaplane carrier KUNIKAWA MARU and escorting destroyer AMATSUKAZE sail close by.
20 February 1942:
The ships arrive at Kupang and disembark troops.
10 March 1942:
Assigned to Vice Admiral Takahashi's Southwest Area Fleet's newly formed Second Southern Expeditionary Fleet in Special Base Force 21's SubChasDiv 1 organized at Surabaya, Java. Thereafter, escorts convoys between Surabaya, Kendari and Makassar, Celebes.
1 April 1942:
At 1140 departs Bali.
4 April 1942:
At 1000 arrives at Kupang.
5 April 1942:
At 1750 departs Kupang.
7 April 1942:
At 0730 arrives at Ambon and departs later that day at 1800.
10 April 1942:
At 1400 arrives at Kendari.
13 April 1942:
At 0830 departs Kendari.
15 April 1942:
At 0800 arrives at Kupang.
25 April 1942:
At 1745 departs Kupang.
26 April 1942:
At 1645 arrives back at Kupang.
1 May 1942:
SubChasDiv 1 is disbanded. CH-3 is reassigned to SubChasDiv 2 in the Yokosuka Naval District with CH-1 and CH-2.
4 June 1942:
At 1200 CH-3 and destroyer MINAZUKI depart Manila escorting convoy No. 901 consisting of one unidentified merchant ship.
10 June 1942:
Arrives at Balikpapan.
15 June 1942:
CH-3 departs Balikpapan escorting convoy No. 003 consisting of four unidentified merchant ships.
21 June 1942:
At 1200 arrives at Manila.
24 June 1942:
At 1200 CH-3 departs Manila escorting convoy No. 902 consisting of two unidentified merchant ships.
29 June 1942:
At 1200 arrives at Balikpapan.
5 July 1942:
At 1300 CH-3 departs Balikpapan escorting convoy No.005 consisting of KUNISHIMA MARU and SAN PEDRO MARU.
7 July 1942:
S of Palauig, Luzon, Philippines. At about 1000, LtCdr William L. Wright’s (USNA ’25) USS STURGEON (SS-187) fires two torpedoes at SAN PEDRO MARU at 16-07N, 119-13E, but misses.
10 July 1942:
At 1600 arrives at Manila.
14 July 1942:
In the Southwest Area Fleet's Second Southern Expeditionary Fleet in Special Base Force 21. That same day at 1400, CH-3 departs Manila in convoy No. 904 consisting of one unidentified merchant ship.
19 July 1942:
At 1200 arrives at Balikpapan.
1 September 1942:
In Surabaya Port.
6 September 1942:
Departs Surabaya and waits outside port.
7 September 1942:
Returns to Surabaya Port.
29 September 1942:
Departs Surabaya on an escort mission.
1 October 1942:
Returns to Surabaya.
8 October 1942:
Departs Surabaya.
9 October 1942:
Arrives back at Surabaya.
10 October 1942:
Departs Surabaya on an escort mission.
15 October 1942:
Arrives at Ambon.
16 October 1942:
Departs Ambon.
20 October 1942:
In the late evening arrives back at Surabaya.
24 October 1942:
Departs Surabaya on an escort mission.
29 October 1942:
Arrives at Ambon and departs later that day.
1 November 1942:
In the late evening arrives back at Surabaya.
5 November 1942:
Departs Surabaya and engages in sweeping operations.
6 November 1942:
Returns to Surabaya.
13 November 1942:
Departs Surabaya and heads to the Sunda Straits and undertakes patrols there.
22 November 1942:
Arrives at Batavia and departs later that same day and continues to patrol the Sunda Strait area.
28 November 1942:
Arrives at Batavia.
29 November 1942:
Departs Batavia and undertakes patrols of the Karimata Straits.
2 December 1942:
Departs Singapore en route to Balikpapan. En route met up with submarine chaser CH-5.
2 January 1943:
Departs Surabaya escorting No.4 Ji convoy consisting of SUMERUSAN and MAEBASHI MARUs.
5 January 1943:
At 1800 arrives at Kupang.
9 January 1943:
Departs Kupang on an escort mission. (Believed to be same two ships as 2 January entry)
13 January 1943:
Arrives at Surabaya.
15 January 1943:
Departs Surabaya and conducts an anti submarine hunt outside the port with minesweeper W-16.
17 January 1943:
Arrives back at Surabaya.
25 January 1943:
Departs Surabaya on an escort mission.
26 January 1943:
Late that evening arrives at Balikpapan and then departs on further escort mission.
27 January 1943:
Arrives back at Balikpapan.
28 January 1943:
Departs Balikpapan on an escort mission.
29 January 1943:
Late that evening arrives at Balikpapan and then departs on an anti submarine hunt.
30-31 January 1943:
Off the Mangakalihat Lighthouse area attacks and claims to have sunk or damaged the enemy submarine.
2 February 1943:
In the late evening arrives back at Balikpapan.
4 February 1943:
Departs Balikpapan on an escort mission.
7 February 1943:
Arrives back at Balikpapan.
12 February 1943:
Departs Balikpapan on an escort mission.
13 February 1943:
Arrives back at Balikpapan.
15 February 1943:
In the evening departs Balikpapan on an escort mission.
17 February 1943:
Arrives at Menado.
18 February 1943:
Departs Menado on an escort mission.
20 February 1943:
Arrives at Balikpapan.
21 February 1943:
Departs Balikpapan on an escort mission.
24 February 1943:
Arrives back at Balikpapan.
26 February 1943:
Departs Balikpapan on an escort mission.
28 February 1943:
Returns to Balikpapan anrd conducts patrols around bay entrance.
3 March 1943:
In the early morning departs Balikpapan on an escort mission.
8 March 1943:
Arrives back at Balikpapan.
10 March 1943:
Departs Balikpapan on an escort mission.
12 March 1943:
Arrives back at Balikpapan.
13 March 1943:
Departs Balikpapan on an escort mission.
15 March 1943:
Arrives back at Balikpapan.
17 March 1943:
Late evening begins patrolling outside port.
18 March 1943:
Departs Balikpapan on an escort mission.
22 March 1943:
Arrives at Menado.
23 March 1943:
Departs Menado on an escort mission.
25 March 1943:
Arrives at Balikpapan.
26 March 1943:
Departs Balikpapan on an escort mission.
2 April 1943:
Arrives back at Balikpapan.
4 April 1943:
Departs Balikpapan on an escort mission.
6 April 1943:
Arrives back at Balikpapan.
9 April 1943:
Departs Balikpapan on an escort mission.
11 April 1943:
Arrives at Macassar and leaves alone later that evening.
12 April 1943:
Arrives back at Balikpapan.
14 April 1943:
In the late evening departs Balikpapan on an escort mission.
22 April 1943:
Arrives back at Balikpapan.
23 April 1943:
Departs Balikpapan.
25 April 1943:
Arrives at Surabaya.
1 July 1943:
Departs Ambon on an escort mission.
2 July 1943:
Arrives in the Bula area, Ternate Island and waits there.
7 July 1943:
Arrives back at Ambon.
8 July 1943:
Departs Ambon.
12 July 1943:
Arrives at Surabaya.
17 July 1943:
Departs Surabaya on an escort mission.
20 July 1943:
Early am arrives at Macassar and departs later the same day.
26 July 1943:
Arrives at Ambon.
2 August 1943:
At 1600 departs Ambon on an escort mission.
7 August 1943:
At 1830 arrives at Surabaya.
10 August 1943:
At 1040 departs Surabaya on an escort mission.
12 August 1943:
At 2100 arrives at Jakarta.
15 August 1943:
At 0800 departs Jakarta on an escort mission.
16 August 1943:
At 1840 arrives back at Jakarta.
17 August 1943:
At 1300 departs Jakarta on an escort mission.
21 August 1943:
At 1402 arrives at Surabaya.
22 August 1943:
At 1605 departs Surabaya on an escort mission.
24 August 1943:
At 0930 arrives at Jakarta.
26 August 1943:
At 1400 departs Jakarta on an escort mission.
30 August 1943:
At 1200 arrives at Surabaya.
22 September 1943:
At 1330 departs Surabaya on an escort mission.
25 September 1943:
At 1600 arrives at Waingapu.
26 September 1943:
At 1830 departs Waingapu on an escort mission.
27 September 1943:
At 0700 arrives at Ende, Flores Island.
28 September 1943:
At 1400 departs Ende on an escort mission.
29 September 1943:
At 1100 arrives at Kupang.
30 September 1943:
At 1315 departs Kupang.
1 October 1943:
At 1030 arrives at Dili.
2 October 1943:
At 1900 departs Dili on an escort mission.
3 October 1943:
At 0700 arrives at Lautem.
6 October 1943:
At 0000 departs Lautem on an escort mission.
8 October 1943:
At 0830 arrives at Waingapu and departs there on an escort mision at 1900.
11 October 1943:
At 1530 arrives at Surabaya. Presumably drydocked.
20 November 1943:
At 1400 departs Surabaya on an escort mission.
24 November 1943:
At 0930 arrives at Tjilatjap. At 1500 departs on an escort mission.
27 November 1943:
At 0900 arrives at Jakarta.
28 November 1943:
At 1700 departs Jakarta on an escort mission.
December 1943:
An unknown officer is appointed CO. Cdr Mizutani is appointed CO of kaibokan CD-4.
5 December 1943:
At 0830 CH-2 and CH-3 arrive back together at Surabaya.
7 December 1943:
At 1000 CH-2 and CH-3 both depart Surabaya on an escort mission. At an unknown date CH-3 returns to Surabaya.
25 December 1943:
At 1200, departs Surabaya escorting tanker SHINKOKU MARU enroute to Balikpapan, Borneo as far as Laut Island; then returns to Surabaya.
27 December 1943:
At 1015 arrives back at Surabaya.
30 December 1943:
At 1400 CH-3 departs Surabaya for Kupang, Timor escorting convoy "T" consisting of HEIMEI, NICHINAN (41,2742), TENSHO and NICHIEI MARUs and one unidentified ship.
2 January 1944:
Arrives at Nangahale, Flores where NICHINAN and TENSHO MARUs and the unidentified ship are detached. The remainder of the convoy departs the next morning,
3 January 1944:
Departs Nangahale with CH-4 for Kupang, still escorting convoy “T” now consisting of IJA transport HEIMEI MARU and auxiliary transport NICHIEI MARU.

4 January 1944:
At 1200, arrives at Kupang. About 1700, the anchorage is attacked by B-25 “Mitchell” medium bombers at low level. One B-25 strikes HEIMEI MARU and crashes into the sea. Its bomb load lands on the ship, which later has to be scuttled by shore-based gunfire. Two crewmen are KIA.
10 January 1944:
At 1630, arrives at Surabaya.
25 January 1943:
Departs Surabaya on an escort mission. Returns at an unknown date.
8 February 1944:
At 1400 departs Surabaya on an escort mission.
10 February 1944:
At 2000 arrives back at Surabaya.
14 February 1944:
At 1130 departs Surabaya on an escort mission.
26 February 1944:
At 1110 arrives back at Surabaya.
27 February 1944:
At 1300 departs Surabaya on an escort mission.
2 March 1944:
At 1100 arrives at Surabaya.
4 March 1944:
At 1330 departs Surabaya.
6 March 1944:
At 1345 arrives back at Surabaya.
8 March 1944:
At 1500 departs Surabaya on an escort mission and then an anti-submarine sweep.
20 March 1944:
At 2000 arrives at Surabaya.
21 March 1944:
At 1500 enters drydock.
2 April 1944:
At 1830 undocked at Surabaya.
3 April 1944:
At 1050 departs Surabaya on an escort mission.
22 April 1944:
At 1430 arrives at Surabaya.
28 April 1944:
At 1500 departs Surabaya on an escort mission and then an anti-submarine sweep.
9 May 1944:
At 1020 arrives at Surabaya.
11 May 1944:
At 1630 departs Surabaya on an escort mission.
15 May 1944:
At 2230 arrives back at Surabaya.
18 May 1944:
At 1800 departs Surabaya on an anti submarine sweep.
24 May 1944:
At 1140 arrives at Surabaya.
3 June 1944:
At 0850 departs Surabaya on an escort mission.
5 June 1944:
At 0800 south off Laut Island, Borneo, Netherlands East Indies (now Kalimantan, Indonesia) minesweeper W-101 detaches from escorting IJN tankers RYOEI and ASANAGI MARUs and is replaced by subchaser CH-3. Later that day the tankers arrives at Balikpapan.
11 June 1944:
Transferred to Kitashima area (this apparently means Shonan- Borneo-Philippine area) and engaged in convoy escort duties.
19 June 1944:
At 0700 CH-3 and CH-60 depart Cebu escorting convoy P-196 consisting of HAKUSAN and TATSUWA MARUs and arrives at 1755 the same day at one of the many anchorages named “Looc Bay”, probably the one located W of Dinagat Island, Philippines.
20 June 1944:
At 0835 departs Lock (Looc) Bay and arrives at 2035 the same day at Lianga Bay anchorage, Mindanao, Philippines.
21 June 1944:
At 0550 departs Lianga Bay. At 1400, joined by kaibokan MIKURA as escort. Arrives at 1730 the same day at Mati anchorage, Mindanao.
22 June 1944:
At 1030 arrives at Davao.
29 June 1944:
At 0610 departs Davao in convoy consisting of TATSUWA MARU also escorted by destroyer AKIKAZE. At 1624, TATSUWA MARU scrapes a reef at 06-37N, 126-14E. At 1730, some flooding is noticed and damage control parties start emergency repairs. At 1800, she alters her course for Mati anchorage to continue emergency repairs and anchors there shortly after. At 1900, damage control parties still perform repairs.
30 June 1944:
At 0800, destroyer AKIKAZE transfers some lubricant oil to TATSUWA MARU. At 0950, departs Mati anchorage and arrives at 2140 in Lianga Bay anchorage.
1 July 1944:
At 0540 departs Lianga Bay for Melgar anchorage, Dinagat Island. Arrives at 1920.
2 July 1944:
At 0550 departs Melgar anchorage the same day for Manila.
3 July 1944:
At 2025 arrives at Manila.
August 1944:
At Surabaya (allegedly) but more likely still serving Philippine area.
6 August 1944:
Departs Zamboanga.
7 August 1944:
At 1328 at N06.05-E124.23 IJA transport YAMATAMA MARU (4642 grt) carrying 1,650 soldiers from Manila is torpedoed by USS BLUEGILL and sinks.
8 August 1944:
At 0830 minesweeper W-30 arrives at the sinking scene and beginns an anti submarine sweep. Later auxiliary subchaser KYO MARU No. 12 arrives at the scene and joins the anti submarine sweep.
CH-3, W-30, KYO MARU No. 13 and TOKACHI MARU are ordered to head for Davao immediately under instruction No. 123. They arrive at Davao later that day.
9 August 1944:
Departs Davao and arrives at Malalag later that day.
11 August 1944:
Departs Malalag with minesweeper W-30 escorting convoy Z-1105. At 1030 W-30 drops a depth charge. At 1230 W-30 drops six depth charges. At 1800 SHINSEI MARU is detached. The convoy arrives at Glan later that evening. Auxiliary subchaser KYO MARU No. 12 and RYUKA (YANAGAWA) MARU join the convoy.
12 August 1944:
Departs Glan still escorting convoy Z-1105.

13 August 1944:
Arrives at Zamboanga.
15 August 1944:
At 0400 departs Zamboanga escorting convoy M-152 consisting of unidentified merchant ships.
16 August 1944:
At 1900 arrives at Cebu.
18 August 1944:
At 0630 departs Cebu still escorting M-152.
15 September 1944:
At 1500, CH-3 departs Miri for Manila, Philippines with kaibokan, CD-8, CD-25, CD-28 and CD-32 escorting convoy MIMA-11 consisting of fleet oiler KAMOI and TACHIBANA, URAL, YAMAMIZU No. 2, KYOKUHO, SHIKISAN, HOKKI, ZUIYO, TATSUHARU, TENSHIN, SHINSEI No. 1, SHOEI (2764 gt), OMINE, KYOEI and IMAHARU MARUs (ex-Dutch De KLERK) and KYOEI MARU No. 6. The convoy hugs the coast calling at various small anchorages.
27 September 1944:
At 0807, LtCdr (later Rear Admiral) Reuben T. Whitaker's (USNA ’34) USS FLASHER (SS-249) torpedoes and sinks URAL MARU carrying 673 mail staff, the urns of 696 gunnery troops and war supplies.at 15-32N, 117-16E. 144 passengers, five gunners and 40 out of 189 crew are KIA. Two hours later, LtCdr Donald G. Baer's (USNA ’37) USS LAPON (SS-260) torpedoes and sinks HOKKI MARU at 15-50N, 117-41E. 2 crewmen are killed.
At 1645, CH-3 reports that HOKKI MARU (5,600-tons) had been torpedoed but is in no danger of sinking and would be taken in tow, but at 1730 she reports HOKKI MARU half submerged and she is about to sink her at 15-50N, 117-50E. Although damaged the wreck is later bombed and sunk by floatplanes.
19 October 1944:
CH-3, CH-19, CH-63, auxiliary minesweepers CHOUN MARU No. 6 and CHOUN MARU No. 7 depart Miri escorting convoy MISHI-11 consisting of HIDA, KAZAN, ARAOSAN, HACHIJIN, NICHINAN (1945 grt) MARUs and eleven unidentified merchant ships. That same day at 1600 CH-1 departs Surabaya.

E 21 October 1944:
CH-1 joins the convoy.
23 October 1944:
Arrives at Singapore.
4 November 1944:
At 1500 departs Surabaya on anti submarine sweep.
6 November 1944:
On that day FRUMEL provides the following information:
"No. 11 Minesweeper was ordered to leave Soerabaya at 1300 on 5th and carry out sweep in Madura Strait and along the north coast of Bali. Subchaser No. 3 was ordered to proceed to Lombok at 051235 and take charge of the anti-submarine force in that area until joined by No. 11 Minesweeper."
8 November 1944:
At 2020 arrives back at Surabaya.
11 November 1944:
At 0700 departs Surabaya on an escort mission.
19 November 1943:
At 1130 arrives back at Surabaya.
30 November 1943:
At 1315 CH-2 and CH-3 depart Surabaya on an escort mission.
6 December 1944:
At 1030 arrives at Surabaya.
8 December 1944:
At 1400 departs Surabaya on an escort mission.
26 January 1945:
At 1600 departs Surabaya with storeship HAYASAKI and MANYO MARU.
28 January 1945:
At 1700 off Jakarta MANYO MARU is detached.
29 January 1945:
At 0800 in Bangka Strait CH-3 is attached and HAYABUSA proceeds alone to Berhala Strait
9 February 1945:
After a long submarine sweep arrives at Jakarta.
16 February 1945:
At 1830 departs Jakarta on a submarine sweep, then undertakes an escort mission.
20 February 1945:
At 1225 arrives at Jakarta.
23 February 1945:
At 1145 departs Jakarta on an escort mission.
26 February 1945:
At 1900 arrives at Surabaya.
16 March 1945:
At 1330 departs Surabaya on an anti submarine sweep.
24 March 1945:
At 1600 arrives back at Surabaya.
1 April 1945:
At 1220 departs Surabaya.
4 April 1945:
Departs Batavia escorting German U-Boat depot ship QUITO Go to Balikpapan, Borneo.
9 April 1945:
On that day, FRUMEL provides the following information:
"Subchaser No. 3 will leave Soerabaya for Balikpapan and proceed on the following course: Speed 125 knots (sic).
Positions 10th at 2200. Anchor 40 miles WNW of Cape Poeting.
11th at 0800. Underway.
11th at 1200. Arrive Cape Poeting.
12th at 0400. Arrive Cape Seletan.
13th at 0200. Arrive Aroe Bank.
13th at 0830. Arrive outside Balikpapan.
Noon Position (12th) 04-30S: 116-00E."
18 April 1945:
At 1950 arrives back at Surabaya.
22 June 1945:
On that day FRUMEL provides the following information:
"Subchaser No. 3 is to rendez-vous with TOYO MARU, Communications Vessel 104 and RYUUKAI MARU in 4-00S, 114-00E at 0800 on 23rd and escort them to Soerabaya."
23 June 1945:
On that day FRUMEL decrypts a message from an unidentified originator in Soerabaya area, timed 232015:
"A reconnaissance seaplane reports that Special Subchasers 113 and 42, and Communication Vessel 833 all appear to have been sunk by shellfire from an enemy submarine somewhere in the vicinity of 5-45S 114-16E.
Subchaser No. 3 is to search for the submarine and carry out rescue operations."
September 1945:
Surabaya, Java. Captured by Allied Forces.
11 July 1946:
Off the coast of Singapore. Scuttled by the Royal Navy.
10 August 1945:
Removed from the Navy List.

Author's Notes:
Little data were found detailing CH-3's movements during 1942-Dec '43 and Mar '44-Aug '45. Readers with access to such data are requested to post the information on the Discussion and Questions board or at j-aircraft.org's IJN Ship Message Board

Thanks to Mr. Gilbert Casse of France for general assistance and further special thanks go to Hans Mcilveen of the Netherlands for info on FRUMEL intercepts.
-Bob Hackett, Sander Kingsepp and Peter Cundall.

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