| Displacement | 980t standard |
|---|---|
| Length | 57m oa |
| Width | 11m |
| Draught | 3.5m |
| Machinery | 2-shaft diesel, 5000bhp |
| Speed | 15kt |
| Armament | none |
| Complement | 40 |
| Number | Name | Plan | Builder | Laid down | Launch | Complete | ||
|---|---|---|---|---|---|---|---|---|
| AMS-4301 | Hiuchi | FY1999 | NKK, Tsurumi | 2001. 1.18 | 2001. 9. 4 | 2002. 3.27 | Multi-role support ship | (Saiki base detach, Kure district) 2008. 2.20 (Maizuru district) |
| AMS-4302 | Suo | FY2001 | NKK, Tsurumi | 2002. 9.19 | 2003. 4.25 | 2004. 3.16 | Multi-role support ship | (Yokosuka district) 2008. 2.20 (Ominato district) |
| AMS-4303 | Amakusa | FY2001 | NKK, Tsurumi | 2002.12. 3 | 2003. 8. 6 | 2004. 3.16 | Multi-role support ship | (Sasebo district) |
| AMS-4304 | Genkai | FY2005 | Universal SB, Keihin | 2006.11. 7 | 2007. 5.24 | 2008. 2.20 | Multi-role support ship | (Kure district) |
| AMS-4305 | Enshu | FY2005 | Universal SB, Keihin | 2006.12.19 | 2007. 8. 9 | 2008. 2.20 | Multi-role support ship | (Yokosuka district) |