| Displacement | 1000t standard |
|---|---|
| Length | 67.0m |
| Width | 11.8m |
| Draught | 3.1m |
| Machinery | 2-shaft diesel, 2400bhp |
| Speed | 14kt |
| Armament | 1-20mm MGs |
| Sensor | Radar: OPS-39 Sonar: SQQ-32 VDS |
| Complement | 60 |
| Number | Name | Plan | Builder | Laid down | Launch | Complete | ||
|---|---|---|---|---|---|---|---|---|
| MSO-301 | Yaeyama | FY1989 | Hitachi, Kanagawa | 1990. 8.30 | 1991. 8.29 | 1993. 3.16 | Mine countermeasure ship | (MSFlotilla2, SDF) 1993. 3.23 (MSron51, MSFlotilla2, SDF) 2000. 3.13 (MSron51, MSFlotilla, SDF) 2016. 6.28 disc |
| MSO-302 | Tsushima | FY1989 | NKK, Tsurumi | 1990. 7.20 | 1991. 9.20 | 1993. 3.23 | Mine countermeasure ship | (MSron51, MSFlotilla2, SDF) 2000. 3.13 (MSron51, MSFlotilla, SDF) 2016. 7. 1 disc |
| MSO-303 | Hachijo | FY1990 | NKK, Tsurumi | 1991. 5.17 | 1992.12.15 | 1994. 3.24 | Mine countermeasure ship | (MSron51, MSFlotilla2, SDF) 2000. 3.13 (MSron51, MSFlotilla, SDF) 2016. 7. 1 (MSron1, MSFlotilla, SDF) |