| Displacement | 480t surface, 737t submerged |
|---|---|
| Length | 58.6m oa |
| Width | 5.2m |
| Draught | 3.3m |
| Machinery | 2-shaft diesel/electric motor, 1800bhp surface, 850shp submerged |
| Fuel | oil 35t |
| Speed | 16.5kt surface, 9.5kt submerged |
| Range | 2050nm by 10kt surface, 60nm by 4kt submerged |
| Armament | 6-45cm TT, 1 MG |
| Complement | approx. 30 |
| Name | Plan | Builder | Laid down | Launch | Complete | ||
|---|---|---|---|---|---|---|---|
| Ha-9 (SS-14) | FY1911 | Kure NYd | 1918. 3.28 | 1918. 7. 3 | 1920. 4.30 | SS3 (SS-14) | 1923. 6.15 renamed(Ha-9) 1929.12. 1 disc |