| Displacement | 320t standard, 377t surface, 440t submerged |
|---|---|
| Length | 50.0m pp, 53.0m oa |
| Width | 4.0m |
| Draught | 3.44m |
| Machinery | 1-shaft diesel and electric motor, 400bhp surface, 1250shp submerged |
| Speed | 10.5kt surface, 13kt submerged |
| Armament | 2-53cm TT, 1-7.7mm MG |
| Complement | 22 |
| Name | Plan | Builder | Laid down | Launch | Complete | |
|---|---|---|---|---|---|---|
| Ha-201 | Sasebo NYd | 1945. 3. 1 | 1945. 4.23 | 1945. 5.31 | SS2 | 1945.11.30 disc 1946. 4. 1 scuttled |
| Ha-202 | Sasebo NYd | 1945. 3. 1 | 1945. 4.23 | 1945. 5.31 | SS2 | 1945.11.30 disc 1946. 4. 1 scuttled |
| Ha-203 | Sasebo NYd | 1945. 4. 5 | 1945. 5.25 | 1945. 6.20 | SS2 | 1945.11.30 disc 1946. 4. 1 scuttled |
| Ha-204 | Sasebo NYd | 1945. 4. 5 | 1945. 6. 1 | 1945. 6.25 | SS2 | 1945.10.29 lost 1945.11.30 disc |
| Ha-205 | Sasebo NYd | 1945. 4.17 | 1945. 5.14 | 1945. 7. 3 | SS2 | 1945.11.30 disc 1946. 5 scuttled |
| Ha-206 | Kawasaki, Tanakawa | 1945. 3.19 | 1945. 7.10 | - | 1945. 8.25 lost incomplete 1946. 5. 6 scuttled | |
| Ha-207 | Sasebo NYd | 1945. 4.23 | 1945. 5.26 | 1945. 8.14 | SS2 | 1945.11.30 disc 1946. 4. 5 scuttled [33.10N, 129.43E] |
| Ha-208 | Sasebo NYd | 1945. 5. 1 | 1945. 5.26 | 1945. 8. 4 | SS2 | 1945.11.30 disc 1946. 4. 1 scuttled |
| Ha-209 | Sasebo NYd | 1945. 5. 7 | 1945. 5.31 | 1945. 8. 4 | SS2 | 1945.11.30 disc 1946 BU |
| Ha-210 | Sasebo NYd | 1945. 5.14 | 1945. 6.10 | 1945. 8.11 | SS2 | 1945.11.30 disc 1946. 4. 5 scuttled |
| Ha-211 | Kawasaki, Tanakawa | 1945. 4. 1 | 1946. 4.24 | - | 1946 BU incompleted | |
| Ha-212 | Kawasaki, Kobe | 1945. 4.10 | 1945. 6.25 | - | 1946. 4 scuttled incomplete | |
| Ha-213 | Mitsubishi, Kobe | 1945. 5.15 | 1945. 7.29 | - | 1946. 4 scuttled incomplete | |
| Ha-214 | Mitsubishi, Kobe | 1945. 5.15 | 1945. 8.15 | - | 1946. 4 scuttled incomplete | |
| Ha-215 | Sasebo NYd | 1945. 5.22 | 1945. 6.15 | - | 1946. 4. 5 scuttled incomplete | |
| Ha-216 | Sasebo NYd | 1945. 5.27 | 1945. 6.19 | 1945. 8.16 | SS2 | 1945.11.30 disc 1946. 4. 5 scuttled |
| Ha-217 | Sasebo NYd | 1945. 6. 2 | 1945. 6.26 | - | 1946. 4. 5 scuttled incomplete | |
| Ha-218 | Sasebo NYd | 1945. 6. 8 | 1945. 7. 2 | - | 1946 BU incompleted | |
| Ha-219 | Sasebo NYd | 1945. 6.15 | 1945. 7.12 | - | 1946. 4. 5 scuttled incomplete | |
| Ha-220 | Kawasaki, Kobe | 1945. 5.10 | - | - | 1946 BU incompleted | |
| Ha-221 | Kawasaki, Kobe | 1945. 4.20 | 1945. 8. 4 | - | 1946. 4 scuttled incomplete | |
| Ha-222 | Kawasaki, Kobe | 1945. 5.15 | - | - | 1946 BU incompleted | |
| Ha-223 | Kawasaki, Kobe | 1945. 5. 1 | - | - | 1946 BU incompleted | |
| Ha-224 | Kawasaki, Kobe | 1945. 6. 7 | - | - | 1946 BU incompleted | |
| Ha-225 | Kawasaki, Kobe | 1945. 6. 7 | - | - | 1946 BU incompleted | |
| Ha-226 | Kawasaki, Kobe | 1945. 6.16 | - | - | 1946 BU incompleted | |
| Ha-227 | Kawasaki, Kobe | 1945. 7.10 | - | - | 1946 BU incompleted | |
| Ha-228 | Sasebo NYd | 1945. 6.21 | 1945. 7.18 | - | 1946. 4. 5 scuttled incomplete | |
| Ha-229 | Sasebo NYd | 1945. 6.27 | 1945. 7.27 | - | 1946 BU incompleted | |
| Ha-230 | Sasebo NYd | 1945. 7. 3 | - | - | 1946 BU incompleted | |
| Ha-231 | Sasebo NYd | 1945. 7.12 | - | - | BU incomplete | |
| Ha-232 | Sasebo NYd | 1945. 7.18 | - | - | BU incomplete | |
| Ha-233 | Sasebo NYd | 1945. 6. 1 | - | - | BU incomplete | |
| Ha-234 | Kawasaki, Kobe | 1945. 5.15 | - | - | 1946 BU incompleted | |
| Ha-235 | Kawasaki, Kobe | 1945. 6. 1 | - | - | BU incomplete | |
| Ha-236 | Kawasaki, Kobe | 1945. 6. 1 | - | - | BU incomplete | |
| Ha-237 | Mitsubishi, Kobe | 1945. 7.10 | - | - | 1946 BU incompleted | |
| Ha-238 | Mitsubishi, Kobe | 1945. 8. 1 | - | - | 1946 BU incompleted | |
| Ha-239 | Mitsubishi, Kobe | 1945. 8. 1 | - | - | 1946 BU incompleted | |
| Ha-240 | Mitsubishi, Kobe | 1945. 8. 1 | - | - | 1946 BU incompleted | |
| Ha-241 | Sasebo NYd | - | - | - | Cancelled | |
| Ha-242 | Sasebo NYd | - | - | - | Cancelled | |
| Ha-243 | Sasebo NYd | - | - | - | Cancelled | |
| Ha-244 | Sasebo NYd | - | - | - | Cancelled | |
| Ha-245 | Sasebo NYd | - | - | - | Cancelled | |
| Ha-246 | Kawasaki, Kobe | 1945. 7.13 | - | - | BU incomplete | |
| Ha-247 | Kawasaki, Kobe | 1945. 7.13 | - | - | BU incomplete | |
| Ha-248 | Kawasaki, Kobe | - | - | - | Cancelled | |
| Ha-249 | Kawasaki, Kobe | - | - | - | Cancelled | |
| Ha-250 | Mitsubishi, Kobe | - | - | - | Cancelled | |
| Ha-251 | Mitsubishi, Kobe | - | - | - | Cancelled | |
| Ha-252 | Mitsubishi, Kobe | - | - | - | Cancelled | |
| Ha-253 | Mitsubishi, Kobe | - | - | - | Cancelled | |
| Ha-254 | Sasebo NYd | - | - | - | Cancelled | |
| Ha-255 | Sasebo NYd | - | - | - | Cancelled | |
| Ha-256 | Sasebo NYd | - | - | - | Cancelled | |
| Ha-257 | Sasebo NYd | - | - | - | Cancelled | |
| Ha-258 | Sasebo NYd | - | - | - | Cancelled | |
| Ha-259 | Kawasaki, Kobe | - | - | - | Cancelled | |
| Ha-260 | Kawasaki, Kobe | - | - | - | Cancelled | |
| Ha-261 | Kawasaki, Kobe | - | - | - | Cancelled | |
| Ha-262 | Kawasaki, Kobe | - | - | - | Cancelled | |
| Ha-263 | Mitsubishi, Kobe | - | - | - | Cancelled | |
| Ha-264 | Mitsubishi, Kobe | - | - | - | Cancelled | |
| Ha-265 | Mitsubishi, Kobe | - | - | - | Cancelled | |
| Ha-266 | Mitsubishi, Kobe | - | - | - | Cancelled | |
| Ha-267 | Sasebo NYd | - | - | - | Cancelled | |
| Ha-268 | Sasebo NYd | - | - | - | Cancelled | |
| Ha-269 | Sasebo NYd | - | - | - | Cancelled | |
| Ha-270 | Sasebo NYd | - | - | - | Cancelled | |
| Ha-271 | Sasebo NYd | - | - | - | Cancelled | |
| Ha-272 | Kawasaki, Kobe | - | - | - | Cancelled | |
| Ha-273 | Kawasaki, Kobe | - | - | - | Cancelled | |
| Ha-274 | Kawasaki, Kobe | - | - | - | Cancelled | |
| Ha-275 | Kawasaki, Kobe | - | - | - | Cancelled | |
| Ha-276 | Mitsubishi, Kobe | - | - | - | Cancelled | |
| Ha-277 | Mitsubishi, Kobe | - | - | - | Cancelled | |
| Ha-278 | Mitsubishi, Kobe | - | - | - | Cancelled | |
| Ha-279 | Mitsubishi, Kobe | - | - | - | Cancelled |