| Displacement | 278t standard, 277t trial |
|---|---|
| Length | 46.0m pp, 48.5m wl |
| Width | 5.4m |
| Draught | 2.36m |
| Machinery | 2-shaft diesel, 800bhp |
| Speed | 15kt |
| Armament | 1-40mm AA, 6-25mm AA, 60 DCs (or 4 DCs and 2 Kaitens) |
| Complement | ? |
| Name | Plan | Builder | Laid down | Launch | Complete | ||
|---|---|---|---|---|---|---|---|
| CDa-1 | FY1945 | Kawaminami SB | ? | 1945. 6 | - | 1945. 9.19 lost incomplete | |
| CDa-2 | FY1945 | Kawaminami SB | ? | 1945. 6 | - | 1945. 9.19 lost incomplete |