| Displacement | 40t standard, 53t full load |
|---|---|
| Length | 25.0m oa |
| Width | 6.2m |
| Draught | 0.9m |
| Machinery | 3-shaft diesel, 2800hp |
| Speed | 30kt |
| Complement | 7 |
| Number | Name | Plan | Builder | Laid down | Launch | Complete | ||
|---|---|---|---|---|---|---|---|---|
| ASH-06 | ASH-6 (Kosoku 6-Go) | FY1965 | MHI, Shiomnoseki | 1966. 6.28 | 1966.11.22 | 1967. 3.20 | Auxiliary Service boat | (Ominato district) 1974. 9.30 (Shimonoseki station, Sasebo district) 1990. 3.23 disc |