| Displacement | 130t standard, 135t trial |
|---|---|
| Length | 25.8m pp, 26.0m wl, 29.2m oa |
| Width | 5.59m |
| Draught | 1.98m |
| Machinery | 1-shaft diesel, 400bhp |
| Speed | 11kt |
| Range | 1000nm by 10kt |
| Armament | 1-7.7mm MG, 22 DCs |
| Complement | 23 |
| Name | Plan | Builder | Laid down | Launch | Complete | ||
|---|---|---|---|---|---|---|---|
| CHa-1 | FY1941 | Ichikawa SB/Yokosuka NYd | ? | 1943. 2.10 | 1943. 3.27 | CHa | 1945.11.30 disc 1945.12. 1 minesweeper 1947. 8.28 to Dept of Transport 1948. 5. 1 JMSA (patrol craft Chidori) 1960.10.25 disc |
| CHa-2 | FY1941 | Yamanishi SB/Yokosuka NYd | ? | 1943. 1.31 | 1943. 3.15 | CHa | 1944.10. 6 sunk (torpedoed, W of Penan) [04.20N, 98.24E] 1947. 5. 3 disc |
| CHa-3 | FY1941 | Saga SB/Maizuru NYd | ? | 1943. 1.31 | 1943. 4. 4 | CHa | 1947. 5. 3 disc |
| CHa-4 | FY1941 | Ichikawa SB/Yokosuka NYd | ? | 1943. 3.17 | 1943. 4.18 | CHa | 1945.11.30 disc 1945.12. 1 minesweeper 1947. 8.28 to Dept of Transport 1948. 5. 1 JMSA (patrol craft Kiji) 1951. 8. 1 JMSADF (minesweeper) 1954. 7. 1 JMSDF 1956. 4. 1 disc |
| CHa-5 | FY1941 | Hayashikane HI/Sasebo NYd | ? | 1943. 1.30 | 1943. 2.26 | CHa | 1943. 8.18 sunk (action, Central Solomons) [07.26S, 156.45E] 1943.11. 1 disc |
| CHa-6 | FY1941 | Nishii SB/Kure NYd | ? | 1943. 2.15 | 1943. 3.12 | CHa | 1944. 7. 7 sunk (torpedoed, near Rabaul) 1944.12.10 disc |
| CHa-7 | FY1941 | Goriki SB/Kure NYd | ? | 1943. 2.15 | 1943. 3.12 | CHa | 1947. 5. 3 disc |
| CHa-8 | FY1941 | Yamanishi SB/Yokosuka NYd | ? | 1943. 2.25 | 1943. 4.17 | CHa | 1944. 9. 9 sunk (mined, off Medan) [03.54N, 98.44E] 1944.11.10 disc |
| CHa-9 | FY1941 | Ichikawa SB/Yokosuka NYd | ? | 1943. 4.19 | 1943. 5.10 | CHa | 1944. 9. 9 sunk (mined, N of Sumatra) 1944.12.10 disc |
| CHa-10 | FY1941 | Saga SB/Maizuru NYd | ? | 1943. 3.19 | 1943. 4. 9 | CHa | 1944. 3.18 sunk (action, near Uewak) [03.30S, 144.00E] 1944. 4.30 disc |
| CHa-11 | FY1941 | Shikoku dock/Kure NYd | ? | 1943. 2.24 | 1943. 3.12 | CHa | 1947. 5. 3 disc |
| CHa-12 | FY1941 | Jinen SB/Sasebo NYd | ? | 1943. 3.23 | 1943. 4. 6 | CHa | 1943. 8.18 sunk (action, Central Solomons) 1943.11. 1 disc |
| CHa-13 | FY1941 | Fukuoka SB/Sasebo NYd | ? | 1943. 2.28 | 1943. 3.12 | CHa | 1943.11. 1 sunk (air attack, Central Solomons) [07.00S, 155.30E] 1944. 4.30 disc |
| CHa-14 | FY1941 | Koyanaggi SB/Yokosuka NYd | ? | 1943. 4. 2 | 1943. 5. 8 | CHa | 1944. 1.30 sunk (air attack, Marshal Is) 1944. 3.30 disc |
| CHa-15 | FY1941 | Fukushima SB/Kure NYd | ? | 1943. 2. 4 | 1943. 3. 6 | CHa | 1944.10.22 sunk (air attack, äŧûj [12.55N, 122.35E] 1945. 5.10 disc |
| CHa-16 | FY1941 | Nishii SB/Kure NYd | ? | 1943. 4.19 | 1943. 5.10 | CHa | 1944. 2.16 sunk (air attack, Kavieng) [02.24S, 150.06E] 1944. 4.30 disc |
| CHa-17 | FY1941 | Goriki SB/Kure NYd | ? | 1943. 4.19 | 1943. 5.10 | CHa | 1944. 2.18 sunk (air attack, Kavieng) [02.30S, 150.30E] 1944. 4.30 disc |
| CHa-18 | FY1941 | Saga SB/Maizuru NYd | ? | 1943. 3.31 | 1943. 4.30 | CHa | 1944. 1.30 sunk (air attack, Kwejalin) 1944. 3.30 disc |
| CHa-19 | FY1941 | Miho SB/Yokosuka NYd | ? | 1943. 3.27 | 1943. 4.24 | CHa | 1944. 1.30 sunk (air attack, Marshal Is) 1944. 3.30 disc |
| CHa-20 | FY1941 | Shikoku dock/Kure NYd | ? | 1943. 3.29 | 1943. 4.15 | CHa | 1945. 7.22 wrecked (wrecked, at Kobe) 1945.11.30 disc |
| CHa-21 | FY1941 | Fukushima SB/Kure NYd | ? | 1943. 4.12 | 1943. 5. 5 | CHa | 1944. 1.30 sunk (air attack, Kwejalin) 1944. 3.30 disc |
| CHa-22 | FY1941 | Ichikawa SB/Yokosuka NYd | ? | 1943. 5.30 | 1943. 6.20 | CHa | 1944. 3.30 sunk (air attack, at Palau) [07.30N, 134.30E] 1944. 5.10 disc |
| CHa-23 | FY1941 | Murakami SB/Yokosuka NYd | ? | 1943. 4.27 | 1943. 6. 5 | CHa | 1944. 7. 9 sunk (air attack, at Rabaul) 1944.12.10 disc |
| CHa-24 | FY1941 | Jinen SB/Sasebo NYd | ? | 1943. 6.25 | 1943. 7. 8 | CHa | 1947. 5. 3 disc |
| CHa-25 | FY1941 | Yonago SB/Maizuru NYd | ? | 1943. 4.27 | 1943. 5.14 | CHa | 1944. 1.31 sunk (air attack, Nauru) [00.30S, 167.00E] 1944. 3.30 disc |
| CHa-26 | FY1941 | Miho SB/Yokosuka NYd | ? | 1943. 5.10 | 1943. 6. 1 | CHa | 1944. 3.30 sunk (air attack, at Palau) 1944. 5.10 disc |
| CHa-27 | FY1941 | Koyanaggi SB/Yokosuka NYd | ? | 1943. 6.19 | 1943. 7.10 | CHa | 1945.11.30 disc 1945.12. 1 minesweeper 1947. 8.28 to Dept of Transport 1948. 5. 1 JMSA (patrol craft Tsubame) 1950.10.28 damaged (wrecked, off Shimane Pref) 1951. 2.15 disc |
| CHa-28 | FY1941 | Saga SB/Maizuru NYd | ? | 1943. 5.20 | 1943. 5.26 | CHa | 1944. 1.30 sunk (action, Marshal Is) 1944. 3.30 disc |
| CHa-29 | FY1941 | Funeya SB/Yokosuka NYd | ? | 1943. 7. 5 | 1943. 8. 5 | CHa | 1944. 2.22 sunk (air attack, Kavieng) 1944. 4.30 disc |
| CHa-30 | FY1941 | Murakami SB/Yokosuka NYd | ? | 1943. 6.21 | 1943. 7.10 | CHa | 1943.11. 4 sunk (air attack, Central Solomons) [06.10S, 155.35E] 1944. 4.30 disc |
| CHa-31 | FY1941 | Shikoku dock/Kure NYd | ? | 1943. 5.22 | 1943. 6.10 | CHa | 1943.10.16 sunk (air attack, near New Britain I) [04.10S, 151.30E] 1944. 1. 5 disc |
| CHa-32 | FY1941 | Yamanishi SB/Yokosuka NYd | ? | 1943. 5.21 | 1943. 6.15 | CHa | 1944. 9.24 sunk (air attack, off Mindanao) [12.15N, 121.00E] 1944.12.10 disc |
| CHa-33 | FY1941 | Hayashikane HI/Sasebo NYd | ? | 1943. 5. 7 | 1943. 5.21 | CHa | 1944. 1.31 sunk (air attack, Nauru) 1944. 3.30 disc |
| CHa-34 | FY1941 | Ichikawa SB/Kure NYd | ? | 1943. 7.27 | 1943. 8.14 | CHa | 1944. 2.19 sunk (air attack, S of Kavieng) [02.45S, 150.47E] 1944. 4.30 disc |
| CHa-35 | FY1941 | Yamanishi SB/Yokosuka NYd | ? | 1943. 7. 7 | 1943. 8.17 | CHa | 1947. 5. 3 disc |
| CHa-36 | FY1941 | Nishii SB/Kure NYd | ? | 1943. 7.14 | 1943. 8. 5 | CHa | 1946. 8. 3 to UK 1947. 5. 3 disc |
| CHa-37 | FY1941 | Goriki SB/Kure NYd | ? | 1943. 7.12 | 1943. 8. 5 | CHa | 1945. 7. 5 sunk (torpedoed, SW of Bali I) [08.10S, 114.50E] 1947. 5. 3 disc |
| CHa-38 | FY1941 | Hayashikane HI/Sasebo NYd | ? | 1943. 6.15 | 1943. 6.28 | CHa | 1944. 9.30 sunk (air attack, near Truk) 1944. 6.10 disc |
| CHa-39 | FY1941 | Fukuoka SB/Sasebo NYd | ? | 1943. 7. 8 | 1943. 7.24 | CHa | 1944. 9.21 sunk (air attack, Sibuyan Sea) [12.18N, 122.46E] 1944.11.10 disc |
| CHa-40 | FY1941 | Fukushima SB/Kure NYd | ? | 1943. 7.31 | 1943. 8.20 | CHa | 1944. 1.22 sunk (air attack, near Manus I) [01.50S, 147.20E] 1944. 4.30 disc |
| CHa-41 | FY1941 | Shikoku dock/Kure NYd | ? | 1943. 6.19 | 1943. 7.15 | CHa | 1946. 8. 3 to UK 1947. 5. 3 disc |
| CHa-42 | FY1941 | Jinen SB/Sasebo NYd | ? | 1943. 8.13 | 1943. 8.27 | CHa | 1945. 6.23 sunk (torpedoed, Java Sea) [05.50S, 114.18E] 1947. 5. 3 disc |
| CHa-43 | FY1941 | Miho SB/Yokosuka NYd | ? | 1943. 8. 5 | 1943. 8.24 | CHa | 1944. 2.15 miscellaneous 1947? disc |
| CHa-44 | FY1941 | Koyanaggi SB/Yokosuka NYd | ? | 1943. 8.25 | 1943. 9.15 | CHa | 1944. 2.15 miscellaneous 1946. 4 lost (fire, at Uraga) |
| CHa-45 | FY1941 | Ichikawa SB/Yokosuka NYd | ? | 1943. 9.15 | 1943.10. 5 | CHa | 1946. 7 to UK 1947. 5. 3 disc |
| CHa-46 | FY1941 | Saga SB/Maizuru NYd | ? | 1943. 6.20 | 1943. 7.20 | CHa | 1944. 4. 4 sunk (air attack, Wake I) 1944. 6.10 disc |
| CHa-47 | FY1941 | Yonago SB/Maizuru NYd | ? | 1943. 9. 5 | 1943. 9.22 | CHa | 1944. 3.20 sunk (air attack, near Holandia) [02.55S, 143.40E] 1946. 2. 1 disc |
| CHa-48 | FY1941 | Fukushima SB/Kure NYd | ? | 1943. 9.10 | 1943. 9.30 | CHa | 1944. 2.21 sunk (air attack, near Admiralty Is) [02.30S, 149.55E] 1944. 4.30 disc |
| CHa-49 | FY1941 | Funeya SB/Yokosuka NYd | ? | 1943. 9.12 | 1943.10.20 | CHa | 1945. 8.23 sunk (mined, Port Niigata) 1946. 2. 1 disc |
| CHa-50 | FY1941 | Shikoku dock/Kure NYd | ? | 1943. 7.10 | 1943. 8. 9 | CHa | 1945. 7. 9 sunk (torpedoed, E of Singapore) [02.20N, 105.05E] 1947. 5. 3 disc |
| CHa-51 | FY1941 | Hayashikane HI/Sasebo NYd | ? | 1943. 7. 5 | 1943. 8. 4 | CHa | 1944. 6.13 sunk (air attack, at Marianas) 1947. 5. 3 disc |
| CHa-52 | FY1941 | Jinen SB/Sasebo NYd | ? | 1943.10. 2 | 1943.10.19 | CHa | 1944.10.25 sunk (air attack, at Palau) [07.30N, 134.30E] 1947. 5. 3 disc |
| CHa-53 | FY1941 | Nishii SB/Kure NYd | ? | 1943. 9.15 | 1943.10. 5 | CHa | 1944. 3.30 sunk (air attack, at Palau) 1944. 9.15 disc |
| CHa-54 | FY1941 | Goriki SB/Kure NYd | ? | 1943. 9.14 | 1943.10. 5 | CHa | 1944. 6.17 sunk (air attack, at Lota I) 1947. 5. 3 disc |
| CHa-55 | FY1941 | Ichikawa SB/Kure NYd | ? | 1943.10.27 | 1943.11.15 | CHa | 1946. 7 to UK 1947. 5. 3 disc |
| CHa-56 | FY1941 | Fukuoka SB/Sasebo NYd | ? | 1943. 9.25 | 1943.10.15 | CHa | 1944. 6.17 sunk (air attack, at Lota I) 1947. 5. 3 disc |
| CHa-57 | FY1941 | Miho SB/Yokosuka NYd | ? | 1943. 9.15 | 1943.10.30 | CHa | 1945.11.30 disc 1945.12. 1 minesweeper 1947. 9.15 to Dept of Transport 1948. 5. 1 JMSA (patrol craft Kawasemi) 1956. 7. 5 disc |
| CHa-58 | FY1941 | Koyanaggi SB/Yokosuka NYd | ? | 1943.10.25 | 1943.11.16 | CHa | 1945.11.30 disc 1945.12. 1 minesweeper 1947. 9.15 to Dept of Transport 1949. 8. 1 JMSA (patrol craft Uzura) 1960. 1.16 disc |
| CHa-59 | FY1941 | Shikoku dock/Kure NYd | ? | 1943. 8.12 | 1943. 8.26 | CHa | 1945. 7 sunk (torpedoed, off Singapore) 1947. 5. 3 disc |
| CHa-60 | FY1941 | Yamanishi SB/Yokosuka NYd | ? | 1943. 9.14 | 1943.10.18 | CHa | 1945. 9 lost (heavy weather, Shimonoseki) 1945.11.30 disc |
| CHa-61 | FY1941 | Shikoku dock/Kure NYd | ? | 1943. 8.20 | 1943. 9.11 | CHa | 1946. 7 to UK 1947. 5. 3 disc |
| CHa-62 | FY1941 | Hayashikane HI/Sasebo NYd | ? | 1943. 8.12 | 1943. 8.27 | CHa | 1944. 3.20 sunk (air attack, at Holandia) 1945.11.30 disc |
| CHa-63 | FY1941 | Jinen SB/Sasebo NYd | ? | 1943.11.20 | 1943.12.25 | CHa | 1945. 6.10 sunk (collision, off Mokpo) [34.50N, 126.10E] 1945.11.30 disc |
| CHa-64 | FY1941 | Yamanishi SB/Yokosuka NYd | ? | 1943.10.24 | 1943.11.20 | CHa | 1945. 1. 6 sunk (air attack, off French Indochina) [08.55N, 106.30E] 1945. 5.10 disc |
| CHa-65 | FY1941 | Shikoku dock/Kure NYd | ? | 1943.11.20 | 1943.12. 4 | CHa | 1945.11.30 disc 1945.12.14 wrecked (near Misawa) [41.00N, 141.30E] |
| CHa-66 | FY1941 | Hayashikane HI/Sasebo NYd | ? | 1943. 9.23 | 1943.10.24 | CHa | 1945. 8. 7 sunk (air attack, off Truk) 1947. 5. 3 disc |
| CHa-67 | FY1941 | Fukushima SB/Kure NYd | ? | 1943.11.30 | 1943.12.27 | CHa | 1947. 5. 3 disc |
| CHa-68 | FY1941 | Miho SB/Yokosuka NYd | ? | 1943.11.15 | 1943.12. 9 | CHa | 1945.11.30 disc 1945.12. 1 minesweeper 1947. 9.15 to Dept of Transport 1948. 5. 1 JMSA (patrol craft Kamome) 1962. 1.31 disc |
| CHa-69 | FY1941 | Ichikawa SB/Kure NYd | ? | 1943.12.12 | 1943.12.30 | CHa | 1945.11.30 disc |
| CHa-70 | FY1941 | Shikoku dock/Kure NYd | ? | 1943. 9.15 | 1943. 9.30 | CHa | 1947. 5. 3 disc |
| CHa-71 | FY1941 | Saga SB/Maizuru NYd | ? | 1943. 9.30 | 1943.10.30 | CHa | 1945.11.29 disc 1945.12. 1 minesweeper 1948. 1. 1 to Dept of Transport 1949. 8. 1 JMSA (patrol craft Hojiro) 1963.12.25 disc |
| CHa-72 | FY1941 | Nishii SB/Kure NYd | ? | 1943.11.25 | 1943.12.20 | CHa | 1945.11.30 disc 1945.12. 1 minesweeper 1948. 1. 1 to Dept of Transport 1948. 5. 1 JMSA (minesweeper MS-07) 1951.12. 1 renamed (Umitsubame) 1952. 8. 1 JMSADF 1954. 7. 1 JMSDF 1961. 3.31 miscellaneous (YAM-22) 1962. 3.31 disc |
| CHa-73 | FY1941 | Goriki SB/Kure NYd | ? | 1943.12. 1 | 1943.12.22 | CHa | 1945. 6.26 sunk (action, off Kril Is) 1945. 8.10 disc |
| CHa-74 | FY1941 | Hayashikane HI/Sasebo NYd | ? | 1943.10.20 | 1943.11.17 | CHa | 1946. 4.30 disc |
| CHa-75 | FY1941 | Fukuoka SB/Sasebo NYd | ? | 1943.12. 9 | 1944. 2. 8 | CHa | 1946. 4.30 disc |
| CHa-76 | FY1941 | Fukushima SB/Kure NYd | ? | 1944. 1.10 | 1944. 1.29 | CHa | 1944.12.11 sunk (torpedoed, Tsushima Strait) 1945. 2.10 disc |
| CHa-77 | FY1941 | Koyanaggi SB/Yokosuka NYd | ? | 1943.12. 5 | 1943.12.20 | CHa | 1944. 8.28 sunk (air attack, off Paramsir I) [50.30N, 156.20E] 1947. 5. 3? disc |
| CHa-78 | FY1941 | Shikoku dock/Kure NYd | ? | 1943. 9.30 | 1943.10.15 | CHa | 1945.11.30 disc 1945.12. 1 minesweeper 1947. 8.28 to Dept of Transport 1948. 5. 1 JMSA (patrol craft Otori) 1952. 8. 1 JMSADF (minesweeper) 1954. 7. 1 JMSDF 1956. 4. 1 aux.craft (No.7 ASM-57) 1960. 3.31 miscellaneous (YAS-27) 1961. 5. 1 disc |
| CHa-79 | FY1941 | Ichikawa SB/Kure NYd | ? | 1944. 2. 7 | 1944. 2.26 | CHa | 1945.11.30 disc 1945.12. 1 minesweeper 1948. 1. 1 to Dept of Transport 1948. 5. 1 JMSA (minesweeper MS-08) 1951.12. 1 renamed (Yuhibari) 1952. 8. 1 JMSADF 1954. 7. 1 JMSDF 1956. 4. 1 disc |
| CHa-80 | FY1941 | Saga SB/Maizuru NYd | ? | 1943.11.22 | 1943.12.15 | CHa | 1945.11.30 disc 1945.12. 1 minesweeper 1947. 8.28 to Dept of Transport 1948. 5. 1 JMSA (patrol craft Sekirei) 1963.12.16 disc |
| CHa-81 | FY1941 | Funeya SB/Yokosuka NYd | ? | 1943.12. 2 | 1944. 1.11 | CHa | 1945.11.30? disc 1947. 2.21 wrecked (near Kanazawa) |
| CHa-82 | FY1941 | Murakami SB/Yokosuka NYd | ? | 1943.11.30 | 1943.12.22 | CHa | 1944.10.22 sunk (air attack, near Philippines) [08.00N, 117.00E] 1947. 5. 3? disc |
| CHa-83 | FY1941 | Hayashikane HI/Sasebo NYd | ? | 1943.11.11 | 1943.12.22 | CHa | 1946. 4.30 disc |
| CHa-84 | FY1941 | Miho SB/Yokosuka NYd | ? | 1943.12.27 | 1944. 1.19 | CHa | 1944.11.12 sunk (air attack, near Borneo) [07.40N, 117.10E] 1947. 5. 3? disc |
| CHa-85 | FY1941 | Yonago SB/Maizuru NYd | ? | 1944. 2.29 | 1944. 3.23 | CHa | 1945. 7. 8 sunk (torpedoed, off Saishu I) 1945.11.30 disc |
| CHa-86 | FY1941 | Yamanishi SB/Yokosuka NYd | ? | 1943.11.20 | 1943.12.20 | CHa | 1945.11.30 disc 1945.12. 1 minesweeper 1948. 1. 1 to Dept of Transportation 1948. 5. 1 JMSA (minesweeper MS-09) 1951.12. 1 renamed (Hayataka) 1952. 8. 1 JMSADF 1954. 7. 1 JMSDF 1956. 4. 1 aux.craft (No.3 ASM-53) 1960. 3.31 miscellaneous (YAS-26) 1962. 3.31 disc |
| CHa-87 | FY1941 | Hayashikane HI/Sasebo NYd | ? | 1943.12.17 | 1944. 2.13 | CHa | 1944.10.12 sunk (air attack, off Toko, Taiwan) 1944.12.10 disc |
| CHa-88 | FY1941 | Murakami SB/Yokosuka NYd | ? | 1944. 1.22 | 1944. 2.25 | CHa | 1945.11.30 disc 1945.12. 1 minesweeper 1948. 1. 1 to Dept of Transport 1948. 5. 1 JMSA (minesweeper MS-10) 1951.12. 1 renamed (Yukari) 1952. 8. 1 JMSADF 1954. 7. 1 JMSDF 1961. 3.31 miscellaneous (YAS-30) 1964. 3.31 disc |
| CHa-89 | FY1941 | Shikoku dock/Kure NYd | ? | 1943.10.22 | 1943.11. 5 | CHa | 1945.11.30 disc 1945.12. 1 minesweeper 1948. 1. 1 to Dept of Transport 1948. 5.29 sold |
| CHa-90 | FY1941 | Jinen SB/Sasebo NYd | ? | 1943.12.26 | 1944. 2.12 | CHa | 1945.11.30 disc 1945.12. 1 minesweeper 1948. 1. 1 to Dept of Transport 1948. 5. 1 JMSA (minesweeper MS-11) 1951.12. 1 renamed (Hakuo) 1952. 8. 1 JMSADF 1954. 7. 1 JMSDF 1956. 4. 1 aux.craft (No.4 ASM-54) 1957. 3.31 disc |
| CHa-91 | FY1941 | Funeya SB/Yokosuka NYd | ? | 1944. 1.23 | 1944. 3.13 | CHa | 1945. 1.25 sunk (torpedoed, off Cape Sata) 1947. 5. 3? disc |
| CHa-92 | FY1941 | Yamanishi SB/Yokosuka NYd | ? | 1943.12.20 | 1944. 1.27 | CHa | 1944.10. 4 wrecked (near Luzon) [20.20N, 122.00E] 1945. 1.10 disc |
| CHa-93 | FY1941 | Fukushima SB/Kure NYd | ? | 1944. 2.10 | 1944. 3. 1 | CHa | 1945.11.30 disc 1945.12. 1 minesweeper 1948. 5. 1 JMSA (minesweeper MS-12) 1951.12. 1 renamed (Miyakodori) 1952. 8. 1 JMSADF 1954. 7. 1 JMSDF 1956. 4. 1 aux.craft (No.5 ASM-55) 1957. 3.31 miscellaneous (YAS-7) 1958. 6. 1 disc |
| CHa-94 | FY1941 | Koyanaggi SB/Yokosuka NYd | ? | 1944. 2.14 | 1944. 3. 9 | CHa | 1944. 9.23 sunk (wrecked, near Luzon) [20.00N, 122.00E] 1944.12.20 disc |
| CHa-95 | FY1941 | Miho SB/Yokosuka NYd | ? | 1944. 2.26 | 1944. 3.29 | CHa | 1944.10.18 sunk (air attack, at Takao) 1945. 2.10 disc |
| CHa-96 | FY1941 | Ichikawa SB/Kure NYd | ? | 1944. 2.20 | 1944. 3.10 | CHa | 1946. 4.30 disc |
| CHa-97 | FY1941 | Nishii SB/Kure NYd | ? | 1944. 1.20 | 1944. 2.10 | CHa | 1945. 4.19 sunk (torpedoed, Kii Strait) [33.35N, 135.23E] 1947. 5. 3? disc |
| CHa-98 | FY1941 | Goriki SB/Kure NYd | ? | 1944. 1.29 | 1944. 2.20 | CHa | 1945. 7.24 sunk (air attack, at Moji) [33.58N, 130.58E] 1945.11.30 disc |
| CHa-99 | FY1941 | Hayashikane HI/Sasebo NYd | ? | 1944. 1.28 | 1944. 3.11 | CHa | 1945.11.30 disc 1945.12. 1 minesweeper 1948. 1. 1 to Dept of Transport 1948. 5. 1 JMSA (minesweeper MS-13) 1951.12. 1 renamed (Iwatsubame) 1952. 8. 1 JMSADF 1954. 7. 1 JMSDF 1961. 3.31 miscellaneous (YAM) 1963. 3.31 disc |
| CHa-100 | FY1941 | Saga SB/Maizuru NYd | ? | 1944. 1.15 | 1944. 2.10 | CHa | 1945.11.30 disc |
| CHa-151 | FY1943 | Yamanishi SB/Yokosuka NYd | ? | 1944. 2. 9 | 1944. 3.14 | CHa | 1945. 4.15 wrecked (wrecked, āOÎj [23.30N, 119.40E] 1946. 4.30 disc |
| CHa-152 | FY1943 | Shikoku dock/Kure NYd | ? | 1944. 1.26 | 1944. 2.10 | CHa | 1945.12 sunk iäpßj 1946. 4.30 disc |
| CHa-153 | FY1943 | Saga SB/Maizuru NYd | ? | 1944. 3.26 | 1944. 4.19 | CHa | 1945. 7. 6 sunk (mined, Port Niigata) 1945.11.30 disc |
| CHa-154 | FY1943 | Fukuoka SB/Sasebo NYd | ? | 1944. 3.17 | 1944. 4.24 | CHa | 1945.11.30 disc 1945.12. 1 minesweeper 1947. 8.20 to Dept of Transport 1948. 5. 1 JMSA (patrol craft Uguisu) 1960.12.24 disc |
| CHa-155 | FY1943 | Yamanishi SB/Yokosuka NYd | ? | 1944. 3.23 | 1944. 4.25 | CHa | 1945.11.30 disc 1945.12. 1 minesweeper 1947. 8.20 to Dept of Transport 1948. 5. 1 JMSA (patrol craft Shigi) 1956. 5.31 disc |
| CHa-156 | FY1943 | Shikoku dock/Kure NYd | ? | 1944. 3.18 | 1944. 3.31 | CHa | 1945. 3.29 sunk (air attack, N of Takao) [22.40N, 120.15E] 1945. 5.10 disc |
| CHa-157 | FY1943 | Fukushima SB/Kure NYd | ? | 1944. 3.31 | 1944. 4.20 | CHa | 1945.11.30 disc 1945.12. 1 minesweeper 1948. 1. 1 to Dept of Transport 1949. 8. 1 JMSA (patrol craft Aosagi) 1962. 2.10 disc |
| CHa-158 | FY1943 | Jinen SB/Sasebo NYd | ? | 1944. 3.15 | 1944. 4.24 | CHa | 1945.11.30 disc 1945.12. 1 minesweeper 1948. 1. 1 to Dept of Transport 1948. 5.25 sold |
| CHa-159 | FY1943 | Nishii SB/Yokosuka NYd | ? | 1944. 4. 6 | 1944. 5.17 | CHa | 1945.11.30 disc 1945.12. 1 minesweeper 1948. 1. 1 to Dept of Transport 1949. 8. 1 JMSA (patrol craft Hinazuru) 1963. 1.25 disc |
| CHa-160 | FY1943 | Hayashikane HI/Sasebo NYd | ? | 1944. 3.25 | 1944. 5. 3 | CHa | 1945. 9.18 wrecked (wrecked, near Shimonoseki) 1945.11.30 disc |
| CHa-161 | FY1943 | Goriki SB/Yokosuka NYd | ? | 1944. 4.18 | 1944. 7. 3 | CHa | 1945.11.30 disc 1945.12. 1 minesweeper 1947. 8.28 to Dept of Transport 1948. 5. 1 JMSA (patrol craft Kotaka) 1954.12.31 disc |
| CHa-162 | FY1943 | Saga SB/Maizuru NYd | ? | 1944. 4.12 | 1944. 5.26 | CHa | 1945.11.30 disc 1945.12. 1 minesweeper 1948. 1. 1 to Dept of Transport 1948. 5. 5 sold |
| CHa-163 | FY1943 | Yamanishi SB/Yokosuka NYd | ? | 1944. 5.15 | 1944. 6.23 | CHa | 1945. 1. 4 sunk (air attack, Taiwan Strait) 1945. 2.10 disc |
| CHa-164 | FY1943 | Ichikawa SB/Yokosuka NYd | ? | 1944. 5.21 | 1944. 6.22 | CHa | 1945.11.30 disc 1945.12. 1 minesweeper 1948. 1. 1 to Dept of Transport 1948. 5. 5 sold |
| CHa-165 | FY1943 | Shikoku dock/Kure NYd | ? | 1944. 4.10 | 1944. 4.25 | CHa | 1945.11.30 disc |
| CHa-166 | FY1943 | Fukushima SB/Kure NYd | ? | 1944. 5.22 | 1944. 6.10 | CHa | 1945.11.30 disc 1945.12. 1 minesweeper 1947. 8.28 to Dept of Transport 1948. 5. 1 JMSA (patrol craft Hato) 1963. 2. 5 disc |
| CHa-167 | FY1943 | Hayashikane HI/Sasebo NYd | ? | 1944. 4.11 | 1944. 6.13 | CHa | 1945. 8.15 sunk (mined, Japan inland sea) 1945.11.30 disc |
| CHa-168 | FY1943 | Yonago SB/Maizuru NYd | ? | 1944. 6.12 | 1944. 7. 6 | CHa | 1945.11.30 disc 1945.12. 1 minesweeper 1948. 1. 1 to Dept of Transport 1948. 5. 1 JMSA (minesweeper MS-57) 1951.12. 1 renamed (Nishikidori) 1952. 8. 1 JMSADF 1954. 7. 1 JMSDF 1956. 4. 1 aux.craft (No.6 ASM-56) 1957. 3.31 disc |
| CHa-169 | FY1943 | Jinen SB/Sasebo NYd | ? | 1944. 4.27 | 1944. 5.31 | CHa | 1945.11.30 disc 1945.12. 1 minesweeper 1947. 8.28 to Dept of Transport 1948. 5. 1 JMSA (patrol craft Yamasemi) 1954.12. 1 disc |
| CHa-170 | FY1943 | Miho SB/Yokosuka NYd | ? | 1944. 4. 2 | 1944. 5. 5 | CHa | 1945.11.30 disc 1948. 1.12 sold |
| CHa-171 | FY1943 | Koyanaggi SB/Yokosuka NYd | ? | 1944. 4.13 | 1944. 5.11 | CHa | 1945.11.30 disc 1945.12. 1 minesweeper 1948. 1. 1 to Dept of Transport 1948. 5. 1 JMSA (minesweeper MS-01) 1951.12. 1 renamed (Chiyozuru) 1952. 8. 1 JMSADF 1954. 7. 1 JMSDF 1961. 3.31 miscellaneous (YAS-28) 1962. 3.31 disc |
| CHa-172 | FY1943 | Saga SB/Maizuru NYd | ? | 1944. 5.24 | 1944. 6.15 | CHa | 1945. 5.26 sunk (mined, Toyama bay) [36.48N, 137.05E] 1945. 8.10 disc |
| CHa-173 | FY1943 | Fukuoka SB/Sasebo NYd | ? | 1944. 5. 3 | 1944. 5.30 | CHa | 1945.11.30 disc 1945.12. 1 minesweeper 1948. 1. 1 to Dept of Transport 1949. 8. 1 JMSA (patrol craft Shirataka) 1959. 2.28 disc |
| CHa-174 | FY1943 | Nishii SB/Yokosuka NYd | ? | 1944. 5.14 | 1944. 6.22 | CHa | 1945.11.30 disc 1945.12. 1 minesweeper 1946. 9. 1 lost (fire, at Otake) 1946. 9.20 disc |
| CHa-175 | FY1943 | Yamanishi SB/Yokosuka NYd | ? | 1944. 6.25 | 1944. 8. 9 | CHa | 1945.11.30 disc 1945.12. 1 minesweeper 1947. 8.28 to Dept of Transport 1948. 5. 1 JMSA (patrol craft Kasasagi) 1959. 2.10 disc |
| CHa-176 | FY1943 | Ichikawa SB/Yokosuka NYd | ? | 1944. 6.25 | 1944. 8. 9 | CHa | 1945. 1. 4 sunk (air attack, Taiwan Strait) 1945. 2.10 disc |
| CHa-177 | FY1943 | Shikoku dock/Kure NYd | ? | 1944. 5. 2 | 1944. 5.18 | CHa | 1946. 4.30 disc |
| CHa-178 | FY1943 | Fukushima SB/Kure NYd | ? | 1944. 6.20 | 1944. 7. 7 | CHa | 1945.11.30 disc 1948. 1.12 sold |
| CHa-179 | FY1943 | Hayashikane HI/Sasebo NYd | ? | 1944. 5. 2 | 1944. 5.30 | CHa | 1945.11.30 disc 1945.12. 1 minesweeper 1948. 1. 1 to Dept of Transport 1949. 8. 1 JMSA (patrol craft Yamagara) 1961. 1.24 disc |
| CHa-180 | FY1943 | Murakami SB/Yokosuka NYd | ? | 1944. 5.26 | 1944. 7.17 | CHa | 1945.11.30 disc 1946. 3.26 lost (fire, at Osaka) 1948. 4.14 BU |
| CHa-181 | FY1943 | Funeya SB/Yokosuka NYd | ? | 1944. 5.17 | 1944. 6.15 | CHa | 1945.11.30 disc 1945.12. 1 minesweeper 1947. 8.28 to Dept of Transport 1948. 5. 1 JMSA (patrol craft Hibari) 1962. 2.20 disc |
| CHa-182 | FY1943 | Goriki SB/Yokosuka NYd | ? | 1944. 5.30 | 1944. 7. 3 | CHa | 1945.11.20 disc 1948. 2.10 sold |
| CHa-183 | FY1943 | Miho SB/Yokosuka NYd | ? | 1944. 5.25 | 1944. 7. 3 | CHa | 1945.11.30 disc 1945.12. 1 minesweeper 1947. 8.28 to Dept of Transport 1948. 5. 1 JMSA (patrol craft Benizuru) 1954. 6.15 disc |
| CHa-184 | FY1943 | Saga SB/Maizuru NYd | ? | 1944. 6.20 | 1944. 7.14 | CHa | 1945.12. 1 minesweeper 1946.11.30 disc 1948. 1.22 sold |
| CHa-185 | FY1943 | Yamanishi SB/Yokosuka NYd | ? | 1944. 8. 5 | 1944. 9. 3 | CHa | 1945.11.30 disc 1945.12. 1 minesweeper 1947. 8.28 to Dept of Transport 1948. 5. 1 JMSA (patrol craft Hayabusa) 1956.12. 1 disc |
| CHa-186 | FY1943 | Ichikawa SB/Yokosuka NYd | ? | 1944. 8.10 | 1944. 9. 4 | CHa | 1945.11.30 disc 1945.12. 1 minesweeper 1947. 8.28 to Dept of Transport 1948. 5. 1 JMSA (patrol craft Hatsukari) 1959 damaged (heavy weather, at Nagoya) 1959.11.20 disc |
| CHa-187 | FY1943 | Shikoku dock/Kure NYd | ? | 1944. 5.20 | 1944. 6. 3 | CHa | 1945.11.30 disc 1945.12. 1 minesweeper 1947. 8.28 to Dept of Transport 1948. 5. 1 JMSA (patrol craft Yamadori) 1958. 2.28 disc |
| CHa-188 | FY1943 | Tokushima Godo SB/Kure NYd | ? | 1944. 6.24 | 1944. 7.10 | CHa | 1945. 7. 2 sunk (mined, Kanmon Strait) [33.59N, 130.52E] 1945.11.30 disc |
| CHa-189 | FY1943 | Hayashikane HI/Sasebo NYd | ? | 1944. 6.10 | 1944. 7.31 | CHa | 1945. 3.29 sunk (air attack, N of Takao) 1945. 5.10 disc |
| CHa-190 | FY1943 | Jinen SB/Sasebo NYd | ? | 1944. 7. 8 | 1944. 7.25 | CHa | 1946. 4.30 disc |
| CHa-191 | FY1943 | Fukuoka SB/Sasebo NYd | ? | 1944. 6.24 | 1944. 7.28 | CHa | 1947. 5. 3 disc |
| CHa-192 | FY1943 | Koyanaggi SB/Yokosuka NYd | ? | 1944. 5.16 | 1944. 6.30 | CHa | 1945. 3.29 sunk (air attack, N of Takao) [22.40N, 120.15E] 1945. 5.10 disc |
| CHa-193 | FY1943 | Nishii SB/Yokosuka NYd | ? | 1944. 7. 2 | 1944. 8.20 | CHa | 1945.11.30 disc 1947.12.14 sold(fishery vessel) |
| CHa-194 | FY1943 | Miho SB/Yokosuka NYd | ? | 1944. 7.17 | 1944. 8.21 | CHa | 1945.11.30 disc 1945.12. 1 minesweeper 1948. 1. 1 to Dept of Transport 1949. 8. 1 JMSA (patrol craft Mizutori) 1953. 4. 1 disc |
| CHa-195 | FY1943 | Saga SB/Maizuru NYd | ? | 1944. 7.10 | 1944. 8.18 | CHa | 1945. 6. 6 sunk (mined, Nanao bay) [37.10N, 137.05E] 1945.11.30 disc |
| CHa-196 | FY1943 | Yamanishi SB/Yokosuka NYd | ? | 1944. 9.10 | 1944.10.15 | CHa | 1945.11.30 disc 1945.12. 1 minesweeper 1947. 8.28 to Dept of Transport 1948. 5. 1 JMSA (patrol craft Wakataka) 1952. 8. 1 JMSADF (minesweeper) 1954. 7. 1 JMSDF 1956. 4. 1 aux.craft (No.8 ASM-58) 1961. 3.31 miscellaneous (YAS-31) 1964. 3.31 disc |
| CHa-197 | FY1943 | Ichikawa SB/Yokosuka NYd | ? | 1944. 9.19 | 1944.10.14 | CHa | 1945. 6.18 sunk (mined, Kanmon Strait) [33.58N, 130.56E] 1945. 8.10 disc |
| CHa-198 | FY1943 | Shikoku dock/Kure NYd | ? | 1944. 6.11 | 1944. 6.26 | CHa | 1945.11.30 disc 1945.12. 1 minesweeper 1947. 8.28 to Dept of Transport 1948. 5. 1 JMSA (patrol craft Wakasagi) 1963.12.16 disc |
| CHa-199 | FY1943 | Fukushima SB/Kure NYd | ? | 1944. 7.30 | 1944. 8.17 | CHa | 1945. 4.10 sunk (mined, Kanmon Strait) 1945. 5.10 disc |
| CHa-200 | FY1943 | Hayashikane HI/Sasebo NYd | ? | 1944. 7. 3 | 1944. 7.25 | CHa | 1945. 3.29 sunk (air attack, W of Cape Sata) [31.05N, 130.39E] 1945. 7.10 disc |
| CHa-201 | FY1943 | Hayashikane HI/Sasebo NYd | ? | 1944. 7.27 | 1944. 9. 1 | CHa | 1945.11.30 disc 1946. 2.24 wrecked (wrecked, ĪBė[j 1946. 4.27 sold |
| CHa-202 | FY1943 | Murakami SB/Yokosuka NYd | ? | 1944. 7.27 | 1944. 9. 1 | CHa | 1945.11.30 disc 1945.12. 1 minesweeper 1948. 1. 1 to Dept of Transport 1948. 5. 1 JMSA (minesweeper MS-14) 1950.10.17 sunk (mined, Eiko bay) [39.20N, 127.30E] 1950.12.21 disc |
| CHa-203 | FY1943 | Funeya SB/Yokosuka NYd | ? | 1944. 9.24 | 1944.10.14 | CHa | 1945.11.30 disc 1945.12. 1 minesweeper 1947. 8.28 to Dept of Transport 1948. 5. 1 JMSA (patrol craft Hiyodori) 1952. 8. 1 JMSADF (minesweeper) 1954. 7. 1 JMSDF 1965. 3.31 disc |
| CHa-204 | FY1943 | Yonago SB/Maizuru NYd | ? | 1944. 8.25 | 1944. 9.18 | CHa | 1947. 5. 3 disc |
| CHa-205 | FY1943 | Jinen SB/Sasebo NYd | ? | 1944. 9. 5 | 1944. 9.30 | CHa | 1945. 3.29 sunk (air attack, at Kuchinoerabu I) [30.30N, 130.10E] 1945. 7.10 disc |
| CHa-206 | FY1943 | Goriki SB/Yokosuka NYd | ? | 1944. 7.21 | 1944. 8.25 | CHa | 1945. 6.26 sunk (action, off Kril Is) [49.40N, 155.30E] 1945. 8.10 disc |
| CHa-207 | FY1943 | Fukuoka SB/Sasebo NYd | ? | 1944. 8. 2 | 1944. 8.17 | CHa | 1945.11.30 disc 1946 BU |
| CHa-208 | FY1943 | Miho SB/Yokosuka NYd | ? | 1944. 9.10 | 1944.10. 6 | CHa | 1945.11.30 disc 1948. 1.12 sold |
| CHa-209 | FY1943 | Koyanaggi SB/Yokosuka NYd | ? | 1944. 6.24 | 1944. 7.28 | CHa | 1945. 6.26 damaged (action, off Kril Is) 1945. 8.10 disc |
| CHa-210 | FY1943 | Saga SB/Maizuru NYd | ? | 1944. 8. 8 | 1944. 8.29 | CHa | 1945. 5. 5 sunk (air attack, South China Sea) 1945. 7.10 disc |
| CHa-211 | FY1943 | Nishii SB/Yokosuka NYd | ? | 1944. 8.20 | 1944. 9.20 | CHa | 1945. 7.18 wrecked (air attack, at Yokosuka) 1945.11.30 disc |
| CHa-212 | FY1943 | Yamanishi SB/Yokosuka NYd | ? | 1944. 9.25 | 1944.10.25 | CHa | 1945.11.30 disc 1945.12. 1 minesweeper 1947. 8.28 to Dept of Transport 1948. 5. 5 sold |
| CHa-213 | FY1943 | Ichikawa SB/Yokosuka NYd | ? | 1944.11. 3 | 1944.11.28 | CHa | 1945.11.30 disc 1948. 2.16 sold |
| CHa-214 | FY1943 | Shikoku dock/Kure NYd | ? | 1944.10.13 | 1944.12. 8 | CHa | 1945.11.30 disc 1945.12. 1 minesweeper 1948. 1. 1 to Dept of Transport 1948. 5. 1 JMSA (minesweeper MS-15) 1951.12. 1 renamed (Hayatori) 1952. 8. 1 JMSADF 1954. 7. 1 JMSDF 1965. 3.31 disc |
| CHa-215 | FY1943 | Tokushima Godo SB/Kure NYd | ? | 1944. 7.29 | 1944. 8.15 | CHa | 1945.11.30 disc 1945.12. 1 minesweeper 1948. 1. 1 to Dept of Transport 1948. 5. 1 JMSA (minesweeper MS-16) 1951.12. 1 renamed (Tomozuru) 1952. 8. 1 JMSADF 1954. 7. 1 JMSDF 1962. 3.31 disc |
| CHa-216 | FY1943 | Hayashikane HI/Sasebo NYd | ? | 1944. 8.22 | 1944. 9.13 | CHa | 1945. 1. 9 damaged (air attack, SW of Taiwan) 1946. 4.30 disc |
| CHa-217 | FY1943 | Miho SB/Yokosuka NYd | ? | 1944.11.12 | 1944.12. 6 | CHa | 1945.11.30 disc 1945.12. 1 minesweeper 1947. 8.28 to Dept of Transport 1948. 5. 1 JMSA (patrol craft Tsugumi) 1961. 1.24 disc |
| CHa-218 | FY1943 | Saga SB/Maizuru NYd | ? | 1944. 9. 3 | 1944.11.25 | CHa | 1945.11.30 disc 1945.12. 1 minesweeper 1948. 4.27 sold |
| CHa-219 | FY1943 | Yamanishi SB/Yokosuka NYd | ? | 1944.10. 8 | 1944.11. 9 | CHa | 1945.11.30 disc 1945.12. 1 minesweeper 1947. 8.28 to Dept of Transport 1948. 5. 1 JMSA (patrol craft Shirasagi) 1952. 8. 1 JMSADF (minesweeper) 1954. 7. 1 JMSDF 1956. 4. 1 aux.craft (No.9 ASM-59) 1957. 3.31 miscellaneous (YAS-8) 1962. 3.31 disc |
| CHa-220 | FY1943 | Ichikawa SB/Yokosuka NYd | ? | 1944.11.25 | 1944.12.28 | CHa | 1945 to Chi(Kaoming) 1947. 5. 3 disc 1949 to PRC 1971? disc |
| CHa-221 | FY1943 | Shikoku dock/Kure NYd | ? | 1944. 8.12 | 1944. 8.28 | CHa | 1945.11.30 disc 1945.12. 1 minesweeper 1948. 1. 1 to Dept of Transport 1948. 5. 1 JMSA (minesweeper MS-02) 1951.12. 1 renamed (Yoshikiri) 1952. 8. 1 JMSADF 1954. 7. 1 JMSDF 1961. 3.31 miscellaneous (YAS-29) 1962. 3.31 disc |
| CHa-222 | FY1943 | Fukushima SB/Kure NYd | ? | 1944. 9. 4 | 1944.11. 1 | CHa | 1945.11.30 disc 1945.12. 1 minesweeper 1948. 1. 1 to Dept of Transport 1948. 5. 1 JMSA (minesweeper MS-03) 1951.12. 1 renamed (Hatsutaka) 1952. 8. 1 JMSADF 1954. 7. 1 JMSDF 1965. 3.31 disc |
| CHa-223 | FY1943 | Jinen SB/Sasebo NYd | ? | 1944.11. 1 | 1944.11.25 | CHa | 1945 to Chi(Kuangkuo) 1946. 4.30 disc 1949 to PRC 1971? disc |
| CHa-224 | FY1943 | Fukuoka SB/Sasebo NYd | ? | 1944. 9.10 | 1944.10. 5 | CHa | 1945. 3. 5 sunk (air attack, near Mako) [23.32N, 119.40E] 1945. 5.10 disc |
| CHa-225 | FY1943 | Koyanaggi SB/Yokosuka NYd | ? | 1944. 7.26 | 1944. 8.31 | CHa | 1945. 7.18 sunk (air attack, at Yokosuka Nagaura) 1945.11.30 disc 1948. 4.14 BU |
| CHa-226 | FY1943 | Goriki SB/Yokosuka NYd | ? | 1944. 8.29 | 1944.11.14 | CHa | 1945.11.30 disc 1948. 4.27 sold |
| CHa-227 | FY1943 | Nishii SB/Yokosuka NYd | ? | 1944. 9.21 | 1944.10.24 | CHa | 1945.11.30 disc 1945.12. 1 minesweeper 1947. 8.28 to Dept of Transport 1948. 5. 1 JMSA (patrol craft Oshidori) 1956. 1.31 disc |
| CHa-228 | FY1943 | Hayashikane HI/Sasebo NYd | ? | 1944. 9. 6 | 1944. 9.21 | CHa | 1945. 9.18 lost (heavy weather, at Sasebo) 1947. 5. 3 disc 1948. 4.27 sold |
| CHa-229 | FY1943 | Miho SB/Yokosuka NYd | ? | 1944.12.18 | 1945. 1.11 | CHa | 1947. 5. 3 disc |
| CHa-230 | FY1943 | Saga SB/Maizuru NYd | ? | 1944. 9.29 | 1944.10.25 | CHa | 1945. 6. 5 lost (collision, S of Korea) [34.00N, 127.18E] 1945. 8.10 disc |
| CHa-231 | FY1943 | Yamanishi SB/Yokosuka NYd | ? | 1944.10.20 | 1944.12. 7 | CHa | 1945.11.30 disc 1945.12. 1 minesweeper 1948. 1. 1 to Dept of Transport 1948. 5. 1 JMSA (minesweeper MS-17) 1951.12. 1 renamed (Shiratori) 1952. 8. 1 JMSADF 1954. 7. 1 JMSDF 1962. 3.31 disc |
| CHa-232 | FY1943 | Nishii SB/Yokosuka NYd | ? | 1944.11.28 | 1944.12.31 | CHa | 1945.11.30 disc 1945.12. 1 minesweeper 1947. 8.28 to Dept of Transport 1948. 5. 1 JMSA (patrol craft Otaka) 1952. 8. 1 JMSADF (minesweeper) 1954. 7. 1 JMSDF 1956. 4. 1 aux.craft (No.10 ASM-60) 1957. 3.31 disc |
| CHa-233 | FY1943 | Shikoku dock/Kure NYd | ? | 1944. 9.17 | 1944.11.10 | CHa | 1945. 3.31 sunk (air attack, W of Kyushu) [32.19N, 129.50E] 1945. 7.10 disc |
| CHa-234 | FY1943 | Fukushima SB/Kure NYd | ? | 1944. 9.10 | 1944.11. 1 | CHa | 1945.11.30 disc 1945.12. 1 minesweeper 1948. 1. 1 to Dept of Transport 1948. 4. 1 sold |
| CHa-235 | FY1943 | Hayashikane HI/Sasebo NYd | ? | 1944. 8.31 | 1944. 9.18 | CHa | 1947. 5. 3 disc |
| CHa-236 | FY1943 | Murakami SB/Yokosuka NYd | ? | 1944. 9.26 | 1944.10.26 | CHa | 1945.11.30 disc 1945.12. 1 minesweeper 1947. 8.28 minesweeper 1948. 5. 1 JMSA (patrol craft Komadori) 1953.12.31 disc |
| CHa-237 | FY1943 | Funeya SB/Yokosuka NYd | ? | 1944.11.11 | 1945. 1.15 | CHa | 1945. 6.11 sunk (air attack, off Cape Irako) [34.30N, 137.06E] 1945. 8.10 disc |
| CHa-238 | FY1943 | Yonago SB/Maizuru NYd | ? | 1944.10.21 | 1944.11.25 | CHa | 1946. 4.30 disc |
| CHa-239 | FY1943 | Jinen SB/Sasebo NYd | ? | 1944.11.30 | 1945. 1.12 | CHa | 1945.11.30 disc 1945.12. 1 minesweeper 1947. 8.28 to Dept of Transport 1948. 5. 1 JMSA (patrol craft Kari) 1953.12.31 disc |
| CHa-240 | FY1943 | Koyanaggi SB/Yokosuka NYd | ? | 1945.12.16 | 1945. 1. 9 | CHa | 1947 to Chi 1947. 5. 3 disc |
| CHa-241 | FY1943 | Koyanaggi SB/Yokosuka NYd | ? | 1944. 9.28 | 1944.10.22 | CHa | 1945.11.30 disc 1945.12. 1 minesweeper 1948. 1. 1 to Dept of Transport 1948. 5. 1 JMSA (minesweeper MS-04) 1951.12. 1 renamed (Furutaka) 1952. 8. 1 JMSADF 1954. 7. 1 JMSDF 1956. 4. 1 aux.craft (No.1 ASM-51) 1960. 3.31 miscellaneous (YAS-25) 1962. 3.31 disc |
| CHa-242 | FY1943 | Saga SB/Maizuru NYd | ? | 1944.11.11 | 1944.12.19 | CHa | 1945.11.30 disc 1945.12. 1 minesweeper 1948. 4.27 sold |
| CHa-243 | FY1943 | Fukuoka SB/Sasebo NYd | ? | 1944.10.11 | 1944.11. 1 | CHa | 1946. 4.30 disc |
| CHa-244 | FY1943 | Nishii SB/Yokosuka NYd | ? | 1944.10.26 | 1944.12. 1 | CHa | 1945. 5.20 sunk (air attack, E of Okinawa) [22.35N, 128.51E] 1945. 7.10 disc |
| CHa-245 | FY1943 | Goriki SB/Yokosuka NYd | ? | 1944. 9.30 | 1944.11. 5 | CHa | 1945.11.30 disc 1945.12. 1 minesweeper 1947. 8.28 to Dept of Transport 1948. 5. 1 JMSA (patrol craft Manazuru) 1962. 2.20 disc |
| CHa-246 | FY1943 | Murakami SB/Yokosuka NYd | ? | 1944.11.15 | 1945. 1.22 | CHa | 1945.11.30 disc 1945.12. 1 minesweeper 1948. 1. 1 to Dept of Transport 1948. 5. 1 JMSA (minesweeper MS-05) 1951.12. 1 renamed (Yamabato) 1952. 8. 1 JMSADF 1954. 7. 1 JMSDF 1956. 4. 1 aux.craft (No.2 ASM-52) 1957. 3.31 miscellaneous (YAS-6) 1958. 6. 1 disc |
| CHa-247 | FY1943 | Goriki SB/Yokosuka NYd | ? | 1944.11.14 | 1944.12.11 | CHa | 1945.11.30 disc 1945.12. 1 minesweeper 1948. 1. 1 to Dept of Transport 1948. 4. 1 sold |
| CHa-248 | FY1943 | Shikoku dock/Kure NYd | ? | 1944. 9.30 | 1944.11.11 | CHa | 1945.11.29 disc 1946. 1.25 lost (mined, Iki Strait) [33.40N, 129.40E] |
| CHa-249 | FY1943 | Fukushima SB/Kure NYd | ? | 1944. 9.23 | 1944.11.14 | CHa | 1945.11.29 disc 1945.12. 1 minesweeper 1948. 1. 1 to Dept of Transport 1948. 5. 1 JMSA (minesweeper MS-06) 1951.12. 1 renamed (Kamozuru) 1952. 8. 1 JMSADF 1954. 7. 1 JMSDF 1962. 3.31 disc |
| CHa-250 | FY1943 | Hayashikane HI/Sasebo NYd | ? | 1944. 9.10 | 1944.10. 6 | CHa | 1945.11.29 disc 1945.12. 1 minesweeper 1948. 4. 1 sold |