| Displacement | 1340t standard, 1850t full load |
|---|---|
| Length | 73.0m oa |
| Width | 12.0m |
| Draught | 3.9m |
| Machinery | 1-shaft diesel, 2700hp |
| Speed | 15kt |
| Complement | 90 |
| Number | Name | Plan | Builder | Laid down | Launch | Complete | ||
|---|---|---|---|---|---|---|---|---|
| ASR-401 | Chihaya | FY1959 | MHI, Yokohama | 1960. 3.15 | 1960.10. 4 | 1961. 3.15 | Submarine Rescue ship | (Kure district) 1962. 8. 1 (Subron1, Kure district) 1963. 3.31 (Subron1, SDF) 1965. 2. 1 (SFlotilla1, SDF) 1981. 2.10 (SFlotilla1, SF, SDF) 1985. 3.27 Auxiliary Service ship (ASU-7011) (Kure district) 1989. 2.28 disc |