| Displacement | 2050t standard, 3175t full load |
|---|---|
| Length | 97m oa |
| Width | 15m |
| Draught | 4.2m |
| Machinery | 2-shaft diesel, 4000bhp (AGS-5104 3250bhp) |
| Speed | 16kt |
| Armament | none |
| Sensor | Radar: OPS-18 |
| Complement | 105 |
| Number | Name | Plan | Builder | Laid down | Launch | Complete | ||
|---|---|---|---|---|---|---|---|---|
| AGS-5102 | Futami | FY1976 | MHI, Shimonoseki | 1978. 1.20 | 1978. 8. 9 | 1979. 2.27 | Ocean Survey ship | (Ocean survey unit) 1980. 3.17 (Ocean survey command) 2006. 4. 3 (Ocean survey command, SDF) 2010. 3.17 disc |
| AGS-5104 | Wakasa | FY1983 | Hitachi, Maizuru | 1984. 8.21 | 1985. 5.21 | 1986. 2.25 | Ocean Survey ship | (Ocean survey command) 2006. 4. 3 (Ocean survey command, SDF) 2015.12. 1 (1st Ocean survey squadron, Ocean survey and ASW support command, SDF) |