| Displacement | 380t standard |
|---|---|
| Length | 52m oa |
| Width | 8.8m |
| Draught | 2.4m |
| Machinery | 2-shaft diesel, 1440bhp |
| Speed | 14kt |
| Armament | 1-20mm MGs |
| Complement | 38 |
| Number | Name | Plan | Builder | Laid down | Launch | Complete | ||
|---|---|---|---|---|---|---|---|---|
| MST-475 | Utone | FY1968 | Hitachi, Kanagawa | 1969. 8. 6 | 1970. 4. 6 | 1970. 9.30 | Minesweeper (MSC-633) | (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 |
| MST-476 | Fukue | FY1974 | NKK, Tsurumi | 1975. 6.24 | 1976. 7.12 | 1976.11.18 | Minesweeper (MSC-645) | (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 |