CH-28 class submarine chasers

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Displacement	420t standard, 435t trial
Length	46.50m pp, 49.00m wl, 51.00m oa
Width	6.70m
Draught	2.63m
Machinery	2-shaft diesel, 1700bhp
Speed	16kt
Armament	1-8cm/40cal AA gun, 2-13.2mm AA, 36 DCs
Complement	80

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Name	Plan	Builder	Laid down	Launch	Complete
CH-28	FY1940	Nihon Kokan	?	1942. 1.30	1942. 5.15	CH	1945. 2. 1 sunk (air attack, W of Luzon) [09.05N, 124.40E] 1945. 9.30 disc
CH-29	FY1940	Harima SB	?	1941.12.10	1942. 4.30	CH	1944. 2.18 sunk (air attack, near Truk) [07.25N, 151.45E] 1944. 3.30 disc
CH-30	FY1940	Mitsui, Tamano	?	1942. 1.30	1942. 5.13	CH	1944.12.24 sunk (torpedoed, off Kuchin) [02.42N, 111.05E] 1945. 9.30 disc
CH-31	FY1940	Ishikawajima SB	?	1942. 3. 7	1942. 6.15	CH	1945. 1.12 sunk (air attack, off French Indochina) [11.10N, 108.55E] 1945. 3.10 disc
CH-32	FY1940	Nihon Kokan	?	1942. 5.22	1942. 8.19	CH	1944. 9.24 sunk (air attack, Colon bay) [12.15N, 121.50E] 1944.11.10 disc
CH-33	FY1940	Mitsui, Tamano	?	1942. 5.16	1942. 8.15	CH	1945. 3.21 sunk (air attack, Kamulan bay) [12.30N, 109.00E] 1945. 5.10 disc
CH-34	FY1940	Harima SB	?	1941.12.20	1942. 8.31	CH	1945. 3.26 sunk (action, near Lesser Andaman Is) [10.38N, 94.42E] 1945. 8.10 disc
CH-35	FY1940	Hakodate dock	?	1942.12.31	1943. 2.28	CH	1945. 2.23 sunk (air attack, off French Indochina) [11.30N, 109.00E] 1947. 5. 3 disc
CH-36	FY1940	Ishikawajima SB	?	1942. 7.28	1942.10.15	CH	1944.11.19 sunk (air attack, Subik bay) [14.43N, 120.10E] 1945. 1.10 disc
CH-37	FY1940	Mitsui, Tamano	?	1942. 8.10	1942.10.31	CH	1945. 5.22 sunk (air attack, near Amami Oshima) [29.45N, 129.10E] 1945. 8.10 disc
CH-38	FY1940	Nihon Kokan	?	1942. 8.31	1942.12.10	CH	1945.10.25 disc 1947.10. 3 to USSR
CH-39	FY1940	Harima SB	?	1942. 5.26	1942.10.31	CH	1944. 2.16 sunk (air attack, Kavieng) 1945. 4.30 disc
CH-40	FY1941	Hitachi, Innoshima	?	1942	1943. 3.31	CH	1944. 2.19 sunk (air attack, Kavieng) 1944. 3.31 disc
CH-41	FY1941	Kawaminami, Koyagi	?	1942	1943. 1.31	CH	1946. 7.11 scuttled (S of Singapore) 1946. 8.10 disc
CH-42	FY1941	Hitachi, Innoshima	?	1942	1943. 5.31	CH	1945. 8. 9 sunk (air attack, Onagawa bay) [38.24N, 141.15E] 1945. 9.15 disc
CH-43	FY1941	Nigata IWks	?	1942	1943. 4. 7	CH	1945. 1.12 damaged (air attack, Kamulan bay) 1947. 5. 3 disc
CH-44	FY1941	Kawaminami, Koyagi	?	1942	1943. 5.15	CH	1945. 9.15 disc 1948 BU
CH-45	FY1941	Hakodate dock	?	1943	1943.10.15	CH	1944.11.29 sunk (air attack, W of Cebu) [10.45N, 124.00E] 1945. 1.10 disc
CH-46	FY1941	Hitachi, Innoshima	?	1943	1943. 9.30	CH	1944.11.25 sunk (air attack, off Masbate I) [12.00N, 123.58E] 1945. 1.10 disc
CH-47	FY1941	Kawaminami, Koyagi	?	1943	1943. 8.12	CH	1945. 9.15 disc 1947.10. 1 to USA, BU
CH-48	FY1941	Nigata IWks	?	1943	1943. 7.31	CH	1945. 7.14 sunk (air attack, at Kamaishi) [39.20N, 141.58E] 1945. 9.15 disc
CH-49	FY1941	Hakodate dock	?	1943	1944. 1.31	CH	1945.10. 5 disc 1947.10. 3 to Chi
CH-50	FY1941	Hitachi, Innoshima	?	1943	1943.11.30	CH	1944. 7.20 sunk (air attack, Chichijima) [29.22N, 139.14E] 1944. 9.20 disc
CH-51	FY1941	Kawaminami, Koyagi	?	1943	1943.11. 8	CH	1945. 9.15 disc 1948 BU
CH-52	FY1941	Naniwa dock	?	1943	1943.11.30	CH	1945? disc 1948 BU
CH-53	FY1941	Naniwa dock	?	1943	1944. 3.20	CH	1944.11.28 sunk (action, Ormoc bay) [10.48N, 124.35E] 1945. 1.10 disc
CH-54	FY1941	Nigata IWks	?	1943	1943.11.12	CH	1944. 3.25 sunk (torpedoed, Bonin Is) [28.34N, 142.14E] 1944. 5.10 disc
CH-55	FY1941	Hakodate dock	?	1943	1944. 5.31	CH	1944. 9.13 sunk (air attack, off Cebu) [10.20N, 124.00E] 1944.11.10 disc
CH-56	FY1941	Naniwa dock	?	1944	1944. 7.26	CH	1947. 5. 3 disc BU
CH-57	FY1941	Hakodate dock	?	1944	1944.10.28	CH	1945. 6.12 sunk (torpedoed, N of Smatra) [06.20N, 94.45E] 1945. 8.10 disc
CH-58	FY1941	Nigata IWks	?	1943	1944. 1.26	CH	1945. 5.22 sunk (air attack, Amami Oshima) [29.45N, 129.10E] 1945. 8.10 disc
CH-59	FY1942	-	-	-	-		1943 cancelled
CH-60	FY1942	Nigata IWks	?	1943	1944. 3.28	CH	1945.10. 5 disc 1948 BU
CH-61	FY1942	Nigata IWks	?	1944	1944. 5. 8	CH	1945. 1. 9 sunk (air attack, S of Taiwan) [22.40N, 121.04E] 1945. 3.10 disc
CH-62	FY1942	-	-	-	-		1943 cancelled
CH-63	FY1942	Nigata IWks	?	1944	1944. 6.30	CH	1945. 3.26 sunk (torpedoed, near Lesser Andaman Is) [10.38N, 94.42E] 1945. 5.10 disc
CH-64	FY1942	-	-	-	-		1943 cancelled
CH-65	FY1942	-	-	-	-		1943 cancelled
CH-66	FY1942	-	-	-	-		1943 cancelled
CH-67	FY1942	-	-	-	-		1943 cancelled
CH-68	FY1942	-	-	-	-		1943 cancelled
CH-69	FY1942	-	-	-	-		1943 cancelled
CH-70	FY1942	-	-	-	-		1943 cancelled
CH-71	FY1942	-	-	-	-		1943 cancelled
CH-72	FY1942	-	-	-	-		1943 cancelled
CH-73	FY1942	-	-	-	-		1943 cancelled
CH-74	FY1942	-	-	-	-		1943 cancelled
CH-75	FY1942	-	-	-	-		1943 cancelled
CH-76	FY1942	-	-	-	-		1943 cancelled
CH-77	FY1942	-	-	-	-		1943 cancelled
CH-78	FY1942	-	-	-	-		1943 cancelled
CH-79	FY1942	-	-	-	-		1943 cancelled
CH-80	FY1942	-	-	-	-		1943 cancelled
CH-81	FY1942	-	-	-	-		1943 cancelled
CH-82	FY1942	-	-	-	-		1943 cancelled
CH-83	FY1942	-	-	-	-		1943 cancelled
CH-84	FY1942	-	-	-	-		1943 cancelled
CH-85	FY1942	-	-	-	-		1943 cancelled
CH-86	FY1942	-	-	-	-		1943 cancelled
CH-87	FY1942	-	-	-	-		1943 cancelled
CH-88	FY1942	-	-	-	-		1943 cancelled
CH-89	FY1942	-	-	-	-		1943 cancelled

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Copyright © Hiroshi Nishida (Misohito), 2003.