Nummer: 28112
| Area : | Pacific Ocean |
| Sea area : | South Pacific |
| Date of attack : | 19.11.1942 |
| Time of attack : | 03:00 |
| Nationality of U-boat : | Japanese |
| U-boat : | I-20 |
| Commander : | Yoshimura |
| Grid : | Savo Is. |
| presumed target type : | --- |
| presumed tonnage : | --- |
| presumed result : | hit not ascertained |
| Used weapon(s) : | Midget submarine |
| Actual tonnage : | ---- -- |
| Actual result : | hit not ascertained |
| Footnote : | I-16, I-20 and I-24 launched midgets of type Ko-Hyoteki, but not against preselected targets. Ha-30 (Yamaki/Hashimoto) had to break off the operation after technical problems and returned to I-16, her motherboat. Ha-37 (Miyoshi/Umeda) had also technical problems and was scuttled by the crew. Ha-12 (Mukai/Sano) was lost without a trace. |
| updated on: | 00.00.0000 |
| Remark: | Ha-37 Miyoshi |