| Displacement | 630t standard, 670t full load |
|---|---|
| Length | 64.0m |
| Width | 7.9m |
| Draught | 2.4m |
| Machinery | 2-shaft diesel, 2500bhp |
| Speed | 18kt |
| Armament | 1-40mm MG, 2-20mm MG, 1 Hedgehog, 2-DCTs, 2 DC racks |
| Complement | 80 |
| Number | Name | Plan | Builder | Laid down | Launch | Complete | ||
|---|---|---|---|---|---|---|---|---|
| AMC-491 | Erimo | FY1953 | Uraga dock | 1954.12.10 | 1955. 7.12 | 1955.12.28 | Layer boat | (Yokosuka district) 1957. 9. 1 Numbered (AMC-491) 1958. 6. 1 (Kure district) 1960. 5. 1 (MSFlotilla1) 1961. 9. 1 (MSFlotilla2, SDF) 1969. 3.15 (MSFlotilla1, SDF) 1976. 3.31 Aux. Service craft (YAS-69) 1982. 3.27 disc |