ex-IJN CHa-1 class minesweepers



Displacement130t standard, 139t full load
Length25.8m pp, 26.0m wl, 29.2m oa
Width5.6m
Draught2.0m
Machinery1-shaft diesel, 400bhp
Speed11kt
Armamentsweeping gear
SensorRadar: SO
Complement24



Number Name Plan Builder Laid down Launch Complete
MSI-690YoshikiriFY1943Shikoku dock/Kure NYd?1944. 8.121944. 8.28CHa
(CHa-221)
1945.11.30 disc
1945.12. 1 Minesweeper
1948. 1. 1 to MoT
1948. 5. 1 JMSA (Minesweeper MS-02)
1951.12. 1 renamed Yoshikiri
1952. 8. 1 commissioned in maritime guard, Security Agency (Minesweeper)
1952.11. 1 (Kure minesweep command, Western minesweep command, Yokosuka district)
1953. 9.16 (Kure district station, Yokosuka district)
1954. 1.15 (MSron7, Shimonoseki station, Yokosuka district)
1954. 7. 1 JMSDF (Minesweeper)
(MSron7, Shimonoseki station, Sasebo district)
1954.10. 1 (MSron7, MSFlotilla1)
1955. 9.16 (MSron6, Shimonoseki station, Sasebo district)
1957. 9. 1 Numbered (MSI-690)
1961. 3.31 Aux. Service craft (YAS-29)
1962. 3.31 disc
MSI-691KamozuruFY1943Fukushima SB/Kure NYd?1944. 9.231944.11.14CHa
(CHa-249)
1945.11.29 disc
1945.12. 1 Minesweeper
1948. 1. 1 to MoT
1948. 5. 1 JMSA (Minesweeper MS-06)
1951.12. 1 renamed Kamozuru
1952. 8. 1 commissioned in maritime guard, Security Agency (Minesweeper)
1952.11. 1 (MSron3, Kure minesweep command, Western minesweep command, Yokosuka district)
1953. 9.16 (MSron3, Kure district station, Yokosuka district)
1954. 7. 1 JMSDF (Minesweeper)
(MSron3, Kure guard-defense, Kure district)
1955. 9.16 (MSron5, Osaka station, Kure district)
1957. 9. 1 Numbered (MSI-691)
1958. 9.16 (MSron1, Maizuru guard-defense, Maizuru district)
1962. 3.20 (MSron1, Maizuru guard, Maizuru district)
1962. 3.31 disc
MSI-692YukariFY1941Murakami SB/Yokosuka NYd?1944. 1.221944. 2.25CHa
(CHa-88)
1945.11.30 disc
1945.12. 1 Minesweeper
1948. 1. 1 to MoT
1948. 5. 1 JMSA (Minesweeper MS-10)
1951.12. 1 renamed Yukari
1952. 8. 1 commissioned in maritime guard, Security Agency (Minesweeper)
1952.11. 1 (MSron10, Niigata minesweep command, Maizuru district)
1953. 9.16 (MSron10, Maizuru guard-defense, Maizuru district)
1954. 7. 1 JMSDF (Minesweeper)
1955. 9.16 (MSron3, Maizuru guard-defense, Maizuru district)
1957. 9. 1 Numbered (MSI-692)
1958. 4. 1 (MSron1, Maizuru guard-defense, Maizuru district)
1958. 9.16 (MSron4, Kure guard-defense, Kure district)
1961. 3.31 Aux. Service craft (YAS-30)
1964. 3.31 disc
MSI-693TomozuruFY1943Tokushima Godo SB/Kure NYd?1944. 7.291944. 8.15CHa
(CHa-215)
1945.11.30 disc
1945.12. 1 Minesweeper
1948. 1. 1 to MoT
1948. 5. 1 JMSA (Minesweeper MS-16)
1951.12. 1 renamed Tomozuru
1952. 8. 1 commissioned in maritime guard, Security Agency (Minesweeper)
1952.11. 1 (MSron4, Kure minesweep command, Western minesweep command, Yokosuka district)
1953. 9.16 (MSron4, Kure district station, Yokosuka district)
1954. 7. 1 JMSDF (Minesweeper)
(MSron4, Kure guard-defense, Kure district)
1954.10. 1 (MSron4, MSFlotilla1)
1955.11.30 (MSron4, Kure district)
1955.12. 1 (MSron4, Kure guard-defense, Kure district)
1957. 9. 1 Numbered (MSI-693)
1958. 9.16 (MSron1, Maizuru guard-defense, Maizuru district)
1962. 3.20 (MSron1, Maizuru guard, Maizuru district)
1962. 3.31 disc
MSI-694ShiratoriFY1943Yamanishi SB/Yokosuka NYd?1944.10.201944.12. 7CHa
(CHa-231)
1945.11.30 disc
1945.12. 1 Minesweeper
1948. 1. 1 to MoT
1948. 5. 1 JMSA (Minesweeper MS-17)
1951.12. 1 renamed Shiratori
1952. 8. 1 commissioned in maritime guard, Security Agency (Minesweeper)
1952.11. 1 (MSron5, Osaka minesweep command, Western minesweep command, Yokosuka district)
1953. 9.16 (MSron5, Osaka station, Yokosuka district)
1954. 7. 1 JMSDF (Minesweeper)
(MSron5, Osaka station, Kure district)
1957. 9. 1 Numbered (MSI-694)
1961. 3.31 (Osaka station, Kure district)
1962. 3.31 disc
MSI-695ChiyozuruFY1943Koyanagi SB/Yokosuka NYd?1944. 4.131944. 5.11CHa
(CHa-171)
1945.11.30 disc
1945.12. 1 Minesweeper
1948. 1. 1 to MoT
1948. 5. 1 JMSA (Minesweeper MS-01)
1951.12. 1 renamed Chiyozuru
1952. 8. 1 commissioned in maritime guard, Security Agency (Minesweeper)
1952.11. 1 (Kure minesweep command, Western minesweep command, Yokosuka district)
1953. 9.16 (Kure district station, Yokosuka district)
1954. 4.10 (MSron9, Maizuru guard-defense, Maizuru district)
1954. 7. 1 JMSDF (Minesweeper)
1955. 9.16 (MSron1, Maizuru guard-defense, Maizuru district)
1957. 9. 1 Numbered (MSI-695)
1958. 9.16 (MSron6, Shimonoseki station, Sasebo district)
1961. 3.31 Aux. Service craft (YAS-28)
1962. 3.31 disc
MSI-696HatsutakaFY1943Fukushima SB/Kure NYd?1944. 9. 41944.11. 1CHa
(CHa-222)
1945.11.30 disc
1945.12. 1 Minesweeper
1948. 1. 1 to MoT
1948. 5. 1 JMSA (Minesweeper MS-03)
1951.12. 1 renamed Hatsutaka
1952. 8. 1 commissioned in maritime guard, Security Agency (Minesweeper)
1952.11. 1 (MSron5, Osaka minesweep command, Western minesweep command, Yokosuka district)
1953. 9.16 (MSron5, Osaka station, Yokosuka district)
1954. 7. 1 JMSDF (Minesweeper)
(MSron5, Osaka station, Kure district)
1957. 9. 1 Numbered (MSI-696)
1958. 4. 1 (MSron3, Maizuru guard-defense, Maizuru district)
1960. 5. 1 (MSron3, MSFlotilla1)
1965. 3.31 disc
MSI-697UmitsubameFY1941Nishii SB/Kure NYd?1943.11.251943.12.20CHa
(CHa-72)
1945.11.30 disc
1945.12. 1 Minesweeper
1948. 1. 1 to MoT
1948. 5. 1 JMSA (Minesweeper MS-07)
1951.12. 1 renamed Umitsubame
1952. 8. 1 commissioned in maritime guard, Security Agency (Minesweeper)
1952.11. 1 (MSron3, Kure minesweep command, Western minesweep command, Yokosuka district)
1953. 9.16 (MSron3, Kure district station, Yokosuka district)
1954. 7. 1 JMSDF (Minesweeper)
(MSron3, Kure guard-defense, Kure district)
1955. 9.16 (MSron3, Maizuru guard-defense, Maizuru district)
1957. 9. 1 Numbered (MSI-697)
1958. 4. 1 (MSron1, Maizuru guard-defense, Maizuru district)
1958. 9.16 (MSron5, Osaka station, Kure district)
1961. 3.31 Aux. Minesweep craft (YAM-22)
1962. 3.31 disc
MSI-698IwatsubameFY1941Hayashikane HI/Sasebo NYd?1944. 1.281944. 3.11CHa
(CHa-99)
1945.11.30 disc
1945.12. 1 Minesweeper
1948. 1. 1 to MoT
1948. 5. 1 JMSA (Minesweeper MS-13)
1951.12. 1 renamed Iwatsubame
1952. 8. 1 commissioned in maritime guard, Security Agency (Minesweeper)
1952.11. 1 (MSron4, Kure minesweep command, Western minesweep command, Yokosuka district)
1953. 9.16 (MSron4, Kure district station, Yokosuka district)
1954. 7. 1 JMSDF (Minesweeper)
(MSron4, Kure guard-defense, Kure district)
1954.10. 1 (MSron4, MSFlotilla1)
1955. 9.16 (MSron1, Maizuru guard-defense, Maizuru district)
1957. 9. 1 Numbered (MSI-698)
1958. 9.16 (MSron4, Kure guard-defense, Kure district)
1961. 3.31 Aux. Minesweep craft (YAM-23)
1963. 3.31 disc
MSI-699HayatoriFY1943Shikoku dock/Kure NYd?1944.10.131944.12. 8CHa
(CHa-214)
1945.11.30 disc
1945.12. 1 Minesweeper
1948. 1. 1 to MoT
1948. 5. 1 JMSA (Minesweeper MS-15)
1951.12. 1 renamed Hayatori
1952. 8. 1 commissioned in maritime guard, Security Agency (Minesweeper)
1952.11. 1 (MSron6, Shimonoseki minesweep command, Western minesweep command, Yokosuka district)
1953. 9.16 (MSron6, Shimonoseki station, Yokosuka district)
1954. 7. 1 JMSDF (Minesweeper)
(MSron6, Shimonoseki station, Sasebo district)
1957. 9. 1 Numbered (MSI-699)
1958. 4. 1 (MSron3, Maizuru guard-defense, Maizuru district)
1960. 5. 1 (MSron3, MSFlotilla1)
1965. 3.31 disc
MSI-700HiyodoriFY1943Funeya SB/Yokosuka NYd?1944. 9.241944.10.14CHa
(CHa-203)
1945.11.30 disc
1945.12. 1 Minesweeper
1947. 8.28 to MoT
1948. 5. 1 JMSA (Patrol Cutter Hiyodori)
1952. 8. 1 commissioned in maritime guard, Security Agency (Minesweeper)
1952.11. 1 (MSron4, Kure minesweep command, Western minesweep command, Yokosuka district)
1953. 9.16 (MSron4, Kure district station, Yokosuka district)
1954. 7. 1 JMSDF (Minesweeper)
(MSron4, Kure guard-defense, Kure district)
1954.10. 1 (MSron4, MSFlotilla1)
1955.11.30 (MSron4, Kure district)
1955.12. 1 (MSron4, Kure guard-defense, Kure district)
1957. 9. 1 Numbered (MSI-700)
1958. 4. 1 (MSron3, Maizuru guard-defense, Maizuru district)
1960. 5. 1 (MSron3, MSFlotilla1)
1965. 3.31 disc
(MS-04)FurutakaFY1943Koyanagi SB/Yokosuka NYd?1944. 9.281944.10.22CHa
(CHa-241)
1945.11.30 disc
1945.12. 1 Minesweeper
1948. 1. 1 to MoT
1948. 5. 1 JMSA (Minesweeper MS-04)
1951.12. 1 renamed Furutaka
1952. 8. 1 commissioned in maritime guard, Security Agency (Minesweeper)
1952.11. 1 (MSron3, Kure minesweep command, Western minesweep command, Yokosuka district)
1953. 9.16 (MSron3, Kure district station, Yokosuka district)
1954. 7. 1 JMSDF (Minesweeper)
(MSron3, Kure guard-defense, Kure district)
1955. 9.16 (MSron8, Kure guard-defense, Kure district)
1956. 4. 1 Auxiliary Service boat ASM-1 (Tokumu 1-Go)
(Kure guard-defense, Kure district)
1957. 9. 1 Numbered (ASM-51)
1960. 3.31 Aux. Service craft (YAS-25)
1962. 3.31 disc
(MS-05)YamabatoFY1943Murakami SB/Yokosuka NYd?1944.11.151945. 1.22CHa
(CHa-246)
1945.11.30 disc
1945.12. 1 Minesweeper
1948. 1. 1 to MoT
1948. 5. 1 JMSA (Minesweeper MS-05)
1951.12. 1 renamed Yamabato
1952. 8. 1 commissioned in maritime guard, Security Agency (Minesweeper)
1952.11. 1 (MSron5, Osaka minesweep command, Western minesweep command, Yokosuka district)
1953. 9.16 (MSron5, Osaka station, Yokosuka district)
1954. 7. 1 JMSDF (Minesweeper)
(MSron5, Osaka station, Kure district)
1955. 9.16 (MSron9, Yokosuka guard-defense, Yokosuka district)
1956. 4. 1 Auxiliary Service boat ASM-2 (Tokumu 2-Go)
(Yokosuka guard-defense, Yokosuka district)
1957. 3.31 Aux. Service craft (YAS-06)
1958. 6. 1 disc
(MS-08)YuhibariFY1941Ichikawa SB/Kure NYd?1944. 2. 71944. 2.26CHa
(CHa-79)
1945.11.30 disc
1945.12. 1 Minesweeper
1948. 1. 1 to MoT
1948. 5. 1 JMSA (Minesweeper MS-08)
1951.12. 1 renamed Yuhibari
1952. 8. 1 commissioned in maritime guard, Security Agency (Minesweeper)
1952.11. 1 (MSron1, Yokosuka minesweep command, Yokosuka district)
1953. 9.16 (MSron1, Yokosuka guard-defense, Yokosuka district)
1954. 7. 1 JMSDF (Minesweeper)
1955. 9.16 (MSron7, Yokosuka guard-defense, Yokosuka district)
1956. 4. 1 disc
(MS-09)HayatakaFY1941Yamanishi SB/Yokosuka NYd?1943.11.201943.12.20CHa
(CHa-86)
1945.11.30 disc
1945.12. 1 Minesweeper
1948. 1. 1 to MoT
1948. 5. 1 JMSA (Minesweeper MS-09)
1951.12. 1 renamed Hayataka
1952. 8. 1 commissioned in maritime guard, Security Agency (Minesweeper)
1952.11. 1 (MSron8, Sasebo minesweep command, Western minesweep command, Yokosuka district)
1953. 9.16 (MSron8, Sasebo guard-defense, Sasebo district)
1954. 7. 1 JMSDF (Minesweeper)
1955. 9.16 (Sasebo guard-defense, Sasebo district)
1956. 4. 1 Auxiliary Service boat ASM-3 (Tokumu 3-Go)
1957. 9. 1 Numbered (ASM-53)
1959. 6. 1 (Sasebo guard, Sasebo district)
1960. 3.31 Aux. Service craft (YAS-26)
1962. 3.31 disc
(MS-11)HakuoFY1941Jinen SB/Sasebo NYd?1943.12.261944. 2.12CHa
(CHa-90)
1945.11.30 disc
1945.12. 1 Minesweeper
1948. 1. 1 to MoT
1948. 5. 1 JMSA (Minesweeper MS-11)
1951.12. 1 renamed Hakuo
1952. 8. 1 commissioned in maritime guard, Security Agency (Minesweeper)
1952.11. 1 (MSron9, Maizuru minesweep command, Maizuru district)
1953. 9.16 (MSron9, Maizuru guard-defense, Maizuru district)
1954. 7. 1 JMSDF (Minesweeper)
1955. 9.16 (Maizuru guard-defense, Maizuru district)
1956. 4. 1 Auxiliary Service boat ASM-4 (Tokumu 4-Go)
1957. 3.31 disc
(MS-12)MiyakodoriFY1941Fukushima SB/Kure NYd?1944. 2.101944. 3. 1CHa
(CHa-93)
1945.11.30 disc
1945.12. 1 Minesweeper
1948. 5. 1 JMSA (Minesweeper MS-12)
1951.12. 1 renamed Miyakodori
1952. 8. 1 commissioned in maritime guard, Security Agency (Minesweeper)
1952.11. 1 (MSron2, Hakodate minesweep command, Yokosuka district)
1953. 9.16 (MSron2, Hakodate station, Ominato district)
1954. 1.15 (MSron6, Shimonoseki station, Yokosuka district)
1954. 7. 1 JMSDF (Minesweeper)
(MSron6, Shimonoseki station, Sasebo district)
1955. 9.16 (MSron9, Yokosuka guard-defense, Yokosuka district)
1956. 4. 1 Auxiliary Service boat ASM-5 (Tokumu 5-Go)
(Yokosuka guard-defense, Yokosuka district)
1957. 3.31 Aux. Service craft (YAS-07)
1958. 6. 1 disc
(MS-57)NishikidoriFY1943Yonago SB/Maizuru NYd?1944. 6.121944. 7. 6CHa
(CHa-168)
1945.11.30 disc
1945.12. 1 Minesweeper
1948. 1. 1 to MoT
1948. 5. 1 JMSA (Minesweeper MS-57)
1951.12. 1 renamed Nishikidori
1952. 8. 1 commissioned in maritime guard, Security Agency (Minesweeper)
1952.11. 1 (MSron7, Shimonoseki minesweep command, Western minesweep command, Yokosuka district)
1953. 9.16 (MSron7, Shimonoseki station, Yokosuka district)
1954. 7. 1 JMSDF (Minesweeper)
(MSron7, Shimonoseki station, Sasebo district)
1954.10. 1 (MSron7, MSFlotilla1)
1955. 9.16 (MSron9, Yokosuka guard-defense, Yokosuka district)
1956. 4. 1 Auxiliary Service boat ASM-6 (Tokumu 6-Go)
(Yokosuka guard-defense, Yokosuka district)
1957. 3.31 disc
(MS-81)KijiFY1941Ichikawa SB/Yokosuka NYd?1943. 3.171943. 4.18CHa
(CHa-4)
1945.11.30 disc
1945.12. 1 Minesweeper
1947. 8.28 to MoT
1948. 5. 1 JMSA (Patrol Cutter Kiji)
1952. 8. 1 commissioned in maritime guard, Security Agency (Minesweeper)
1952.11. 1 (MSron10, Niigata minesweep command, Maizuru district)
1953. 9.16 (MSron10, Maizuru guard-defense, Maizuru district)
1954. 7. 1 JMSDF (Minesweeper)
1955. 9.16 (Maizuru guard-defense, Maizuru district)
1956. 4. 1 disc
(MS-82)OtoriFY1941Shikoku dock/Kure NYd?1943. 9.301943.10.15CHa
(CHa-78)
1945.11.30 disc
1945.12. 1 Minesweeper
1947. 8.28 to MoT
1948. 5. 1 JMSA (Patrol Cutter Otori)
1952. 8. 1 commissioned in maritime guard, Security Agency (Minesweeper)
1952.11. 1 (MSron1, Yokosuka minesweep command, Yokosuka district)
1953. 9.16 (MSron1, Yokosuka guard-defense, Yokosuka district)
1954. 7. 1 JMSDF (Minesweeper)
1955. 9.16 (MSron7, Yokosuka guard-defense, Yokosuka district)
1956. 4. 1 Auxiliary Service boat ASM-7 (Tokumu 7-Go)
(Yokosuka guard-defense, Yokosuka district)
1957. 9. 1 Numbered (ASM-57)
1959. 6. 1 (Yokosuka guard, Yokosuka district)
1959. 6.16 (Yokosuka defense, Yokosuka district)
1960. 3.31 Aux. Service craft (YAS-27)
1961. 5. 1 disc
(MS-83)WakatakaFY1943Yamanishi SB/Yokosuka NYd?1944. 9.101944.10.15CHa
(CHa-196)
1945.11.30 disc
1945.12. 1 Minesweeper
1947. 8.28 to MoT
1948. 5. 1 JMSA (Patrol Cutter Wakataka)
1952. 8. 1 commissioned in maritime guard, Security Agency (Minesweeper)
1952.11. 1 (MSron2, Hakodate minesweep command, Yokosuka district)
1953. 9.16 (MSron2, Hakodate station, Ominato district)
1954. 1.15 (MSron2, Yokosuka guard-defense, Yokosuka district)
1954. 7. 1 JMSDF (Minesweeper)
1955. 9.16 (MSron7, Yokosuka guard-defense, Yokosuka district)
1956. 4. 1 Auxiliary Service boat ASM-8 (Tokumu 8-Go)
(Yokosuka guard-defense, Yokosuka district)
1957. 9. 1 Numbered (ASM-58)
1959. 6. 1 (Yokosuka guard, Yokosuka district)
1960. 1.16 (Utility experiment unit)
1961. 3.31 Aux. Service craft (YAS-31)
1964. 3.31 disc
(MS-85)ShirasagiFY1943Yamanishi SB/Yokosuka NYd?1944.10. 81944.11. 9CHa
(CHa-219)
1945.11.30 disc
1945.12. 1 Minesweeper
1947. 8.28 to MoT
1948. 5. 1 JMSA (Patrol Cutter Shirasagi)
1952. 8. 1 commissioned in maritime guard, Security Agency (Minesweeper)
1952.11. 1 (MSron6, Shimonoseki minesweep command, Western minesweep command, Yokosuka district)
1953. 9.16 (MSron6, Shimonoseki station, Yokosuka district)
1954. 7. 1 JMSDF (Minesweeper)
(MSron6, Shimonoseki station, Sasebo district)
1955. 9.16 (MSron8, Kure guard-defense, Kure district)
1956. 4. 1 Auxiliary Service boat ASM-9 (Tokumu 9-Go)
(Kure guard-defense, Kure district)
1957. 3.31 Aux. Service craft (YAS-08)
1962. 3.31 disc
(MS-86)OtakaFY1943Nishii SB/Yokosuka NYd?1944.11.281944.12.31CHa
(CHa-232)
1945.11.30 disc
1945.12. 1 Minesweeper
1947. 8.28 to MoT
1948. 5. 1 JMSA (Patrol Cutter Otaka)
1952. 8. 1 commissioned in maritime guard, Security Agency (Minesweeper)
1952.11. 1 (MSron8, Sasebo minesweep command, Western minesweep command, Yokosuka district)
1953. 9.16 (MSron8, Sasebo guard-defense, Sasebo district)
1954. 7. 1 JMSDF (Minesweeper)
1955. 9.16 (MSron9, Yokosuka guard-defense, Yokosuka district)
1956. 4. 1 Auxiliary Service boat ASM-10 (Tokumu 10-Go)
(Yokosuka guard-defense, Yokosuka district)
1957. 3.31 disc






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Copyright © Hiroshi Nishida (Misohito), 2005.