| Displacement | 195t standard, 213t surface, 240t submerged |
|---|---|
| Length | 42.8m oa |
| Width | 3.3m |
| Draught | 3.1m |
| Machinery | 1-shaft diesel and electric motor, 300bhp surface, 1800shp submerged |
| Speed | 13.1kt surface, 21.3kt submerged |
| Armament | 3-45cm TT |
| Complement | 11 |
| Name | Plan | Builder | Laid down | Launch | Complete | ||
|---|---|---|---|---|---|---|---|
| No.71 | FY1937 | Kure NYd | 1937.12 | 1938. 8.19 | 1938. 8.21 | 1941 BU |