| Displacement | 380t standard |
|---|---|
| Length | 52m oa |
| Width | 8.8m |
| Draught | 2.4m |
| Machinery | 2-shaft diesel, 1440ps |
| Speed | 14kt |
| Armament | 1-20mm MGs |
| Complement | 45 |
| Number | Name | Plan | Builder | Laid down | Launch | Complete | ||
|---|---|---|---|---|---|---|---|---|
| MSC-630 | Takami | FY1967 | Hitachi, Kanagawa | 1968. 9.25 | 1969. 7.15 | 1969.12.15 | Minesweeper | (MSFlotilla1, SDF) 1970. 1.22 (MSron41, MSFlotilla1, SDF) 1974. 8.28 (MSron41, Hanshin station, Kure district) 1986. 3.27 Aux. Service craft (YAS-82) 1992. 3.12 disc |
| MSC-631 | Io | FY1967 | NKK, Tsurumi | 1968. 9.21 | 1969. 8.12 | 1970. 1.22 | Minesweeper | (MSron41, MSFlotilla1, SDF) 1974. 8.28 (MSron41, Hanshin station, Kure district) 1986. 3.27 Aux. Service craft (YAS-83) 1992.11.24 disc |
| MSC-632 | Miyake | FY1968 | NKK, Tsurumi | 1969. 8.14 | 1970. 6. 3 | 1970.11.19 | Minesweeper | (MSron42, MSFlotilla2, SDF) 1975.12.15 (MSron42, Yokosuka district) 1986.12.16 Aux. Service craft (YAS-84) 1993.11. 9 disc |
| MSC-633 | Utone | FY1968 | Hitachi, Kanagawa | 1969. 8. 6 | 1970. 4. 6 | 1970. 9.30 | Minesweeper | (MSFlotilla2, SDF) 1970.11.19 (MSron42, MSFlotilla2, SDF) 1975.12.15 (MSron42, Yokosuka district) 1986.12.16 MS Tender boat (MST-475) (MSron101, Kure district) 1993. 2. 9 disc |
| MSC-634 | Awaji | FY1969 | Hitachi, Kanagawa | 1970. 4.20 | 1970.12.11 | 1971. 3.29 | Minesweeper | (MSron41, MSFlotilla1, SDF) 1974. 8.28 (MSron45, MSFlotilla1, SDF) 1978. 3.28 (MSron48, MSFlotilla1, SDF) 1983. 1.27 (MSron48, Okinawa station, Sasebo district) 1987. 3.24 Aux. Service craft (YAS-85) 1993. 3.25 disc |
| MSC-635 | Toshi | FY1969 | NKK, Tsurumi | 1970. 5.14 | 1970.12.12 | 1971. 3.18 | Minesweeper | (MSron42, MSFlotilla2, SDF) 1975.12.15 (MSron46, MSFlotilla2, SDF) 1978. 3.28 (MSron48, MSFlotilla1, SDF) 1983. 1.27 (MSron48, Okinawa station, Sasebo district) 1987. 3.24 Aux. Service craft (YAS-86) 1993. 2. 9 disc |
| MSC-636 | Teuri | FY1970 | NKK, Tsurumi | 1971. 4.12 | 1971.10.19 | 1972. 3.14 | Minesweeper | (MSFlotilla2, SDF) 1972. 3.30 (MSron43, MSFlotilla2, SDF) 1973. 3.20 (MSron43, Shimonoseki station, Sasebo district) 1988. 3.23 Aux. Service craft (YAS-87) 1995. 3.10 disc |
| MSC-637 | Murotsu | FY1970 | Hitachi, Kanagawa | 1971. 4.16 | 1971.12.16 | 1972. 3.30 | Minesweeper | (MSron43, MSFlotilla2, SDF) 1973. 3.20 (MSron43, Shimonoseki station, Sasebo district) 1988. 3.23 Aux. Service craft (YAS-88) 1995. 3.30 disc |
| MSC-638 | Tashiro | FY1971 | Hitachi, Kanagawa | 1972. 5.26 | 1973. 4. 2 | 1973. 7.30 | Minesweeper | (MSFlotilla2, SDF) 1973. 8.24 (MSron44, MSFlotilla2, SDF) 1984. 1.26 (MSron44, Maizuru district) 1989.11.29 Aux. Service craft (YAS-89) 1996. 3. 1 disc |
| MSC-639 | Miyato | FY1971 | NKK, Tsurumi | 1972. 4.22 | 1973. 4. 3 | 1973. 8.24 | Minesweeper | (MSron44, MSFlotilla2, SDF) 1984. 1.26 (MSron44, Maizuru district) 1989.11.29 Aux. Service craft (YAS-90) 1996. 3. 1 disc |
| MSC-640 | Takane | FY1972 | NKK, Tsurumi | 1973. 4.26 | 1974. 3. 8 | 1974. 8.28 | Minesweeper | (MSron45, MSFlotilla1, SDF) 1986. 3.27 (MSron45, Hanshin station, Kure district) 1990.11.28 Aux. Service craft (YAS-91) 1997. 2.21 disc |
| MSC-641 | Muzuki | FY1972 | Hitachi, Kanagawa | 1973. 6. 7 | 1974. 4. 5 | 1974. 8.28 | Minesweeper | (MSron45, MSFlotilla1, SDF) 1986. 3.27 (MSron45, Hanshin station, Kure district) 1990.11.28 Aux. Service craft (YAS-92) 1997. 2.27 disc |
| MSC-642 | Yokose | FY1973 | Hitachi, Kanagawa | 1974. 7. 2 | 1975. 7.21 | 1975.12.15 | Minesweeper | (MSron46, MSFlotilla2, SDF) 1986.12.16 (MSron46, Yokosuka district) 1992. 3.12 Aux. Service craft (YAS-93) 1998. 5.29 disc |
| MSC-643 | Sakate | FY1973 | NKK, Tsurumi | 1974. 8. 6 | 1975. 8. 6 | 1975.12.15 | Minesweeper | (MSron46, MSFlotilla2, SDF) 1986.12.16 (MSron46, Yokosuka district) 1992. 3.12 Aux. Service craft (YAS-94) 1998. 5.18 disc |
| MSC-644 | Omi | FY1974 | Hitachi, Kanagawa | 1975. 6.20 | 1976. 5.28 | 1976.11.18 | Minesweeper | (MSron47, MSFlotilla2, SDF) 1982. 3.27 (MSron47, Hakodate station, Ominato district) 1993. 2. 9 Aux. Service craft (YAS-95) 1999. 3. 5 disc |
| MSC-645 | Fukue | FY1974 | NKK, Tsurumi | 1975. 6.24 | 1976. 7.12 | 1976.11.18 | Minesweeper | (MSron47, MSFlotilla2, SDF) 1982. 3.27 (MSron47, Hakodate station, Ominato district) 1993. 2. 9 MS Tender boat (MST-476) (MSron101, Kure district) 1997. 5. 1 (MSFlotilla1, SDF) 1998. 3.23 MS controller (MCL-721) (MSron101, MSFlotilla1, SDF) 1999. 5.13 disc |
| MSC-646 | Okitsu | FY1975 | Hitachi, Kanagawa | 1976. 4.26 | 1977. 3. 4 | 1977. 9.20 | Minesweeper | (MSFlotilla1, SDF) 1978. 3.28 (MSron49, MSFlotilla1, SDF) 1987. 3.24 (MSron49, Okinawa station, Sasebo district) 1993.11. 9 Aux. Service craft (YAS-96) 2000. 3.21 disc |
| MSC-647 | Hashira | FY1975 | NKK, Tsurumi | 1976. 2.22 | 1977.11. 8 | 1978. 3.28 | Minesweeper | (MSron49, MSFlotilla1, SDF) 1987. 3.24 (MSron49, Okinawa station, Sasebo district) 1993.11. 9 (MSron13, Okinawa station, Sasebo district) 1995. 3.30 Aux. Service craft (YAS-99) 1997. 3.31 disc |
| MSC-648 | Iwai | FY1975 | Hitachi, Kanagawa | 1976. 7.20 | 1977.11.24 | 1978. 3.28 | Minesweeper | (MSron49, MSFlotilla1, SDF) 1987. 3.24 (MSron45, Hanshin station, Kure district) 1990.11.28 (MSron15, Hanshin station, Kure district) 1994. 5. 9 Aux. Service craft (YAS-97) 1997. 3.31 disc |