| Displacement | 4950t standard |
|---|---|
| Length | 131m oa |
| Width | 19m |
| Draught | 5.7m |
| Machinery | 2-shaft electric motors (3 diesel engines), 7500hp |
| Speed | 16kt |
| Armament | none |
| Sensor | - |
| Complement | - |
| Number | Name | Plan | Builder | Laid down | Launch | Complete | ||
|---|---|---|---|---|---|---|---|---|
| ARC-483 | Muroto | FY2009 | MHI, Shimonoseki | 2012. 1.27 | 2012. 7. 5 | 2013. 3.15 | Layer | (Ocean survey command, SDF) 2015.12. 1 (Ocean survey and ASW support command, SDF) |