| Displacement | 280t standard, 285t trial |
|---|---|
| Length | 35.00m pp, 37.50m wl |
| Width | 6.09m |
| Draught | 2.45m |
| Machinery | 2-shaft diesel, 800bhp |
| Speed | 12.5kt |
| Armament | 1-40mm AA, 6-25mm AA, 60 DCs (or 8 DCs and 1 Kaiten) |
| Complement | ? |
| Name | Plan | Builder | Laid down | Launch | Complete | ||
|---|---|---|---|---|---|---|---|
| CDa-101 | FY1945 | Funeya SB | 1945 | - | - | BU incomplete | |
| CDa-103 | FY1945 | Yamanishi SB | 1945 | - | - | BU incomplete | |
| CDa-104 | FY1945 | Yamanishi SB | 1945 | - | - | BU incomplete | |
| CDa-109 | FY1945 | Murakami SB | 1945 | - | - | BU incomplete | |
| CDa-113 | FY1945 | Miho SB | 1945 | - | - | BU incomplete | |
| CDa-118 | FY1945 | Koyanaggi SB | 1945 | - | - | BU incomplete | |
| CDa-119 | FY1945 | Koyanaggi SB | 1945 | - | - | BU incomplete | |
| CDa-122 | FY1945 | Ishikawa SB | 1945 | - | - | BU incomplete | |
| CDa-125 | FY1945 | Goriki SB | 1945 | - | - | BU incomplete | |
| CDa-126 | FY1945 | Goriki SB | 1945 | - | - | BU incomplete | |
| CDa-128 | FY1945 | Nishii SB | 1945 | - | - | BU incomplete | |
| CDa-131 | FY1945 | Shikoku dock | 1945 | - | - | BU incomplete | |
| CDa-132 | FY1945 | Shikoku dock | 1945 | - | - | BU incomplete | |
| CDa-133 | FY1945 | Shikoku dock | 1945 | - | - | BU incomplete | |
| CDa-137 | FY1945 | Tokushima SB | 1945 | - | - | BU incomplete | |
| CDa-138 | FY1945 | Tokushima SB | 1945 | - | - | BU incomplete | |
| CDa-139 | FY1945 | Tokushima SB | 1945 | - | - | BU incomplete | |
| CDa-141 | FY1945 | Fukushima SB | 1945 | - | - | BU incomplete | |
| CDa-144 | FY1945 | Hayashikane HI | 1945 | - | - | BU incomplete | |
| CDa-148 | FY1945 | Jinen SB | 1945 | - | - | BU incomplete | |
| CDa-151 | FY1945 | Fukuoka SB | 1945 | - | - | BU incomplete | |
| CDa-157 | FY1945 | Saga SB | 1945 | - | - | BU incomplete |