Nummer: 27906a
| Area : | Pacific Ocean |
| Sea area : | South Pacific |
| Date of attack : | 31.05.1942 |
| Nationality of U-boat : | Japanese |
| U-boat : | I-24 |
| Commander : | Hanabusa |
| Grid : | Sydney |
| presumed target type : | Battleship |
| presumed tonnage : | 30600 ts |
| presumed result : | damaged |
| Used weapon(s) : | Midget submarine |
| Date of observation : | 31.05.1942 |
| Time of observation : | 23:25 |
| Nationality of target : | Australian |
| Actual type of target : | |
| Name of target : | Kuttabul |
| Year of launch : | .. |
| Actual tonnage : | 447 BRT |
| Actual result : | sunk |
| Position of target : | Garden Is. (Sydney) |
| Footnote : | Two of the midgets launched by I-22, I-24 and I-27 reached the harbor at Sydney. Ha 17 attacked cruiser USS "Chicago", reported as battleship HMS "Warspite", but the torpedoes detonated against the quai and damaged an accomodation-hulk, which was a total loss, and the dutch submarine K-IX. |
| related attacks : | Angriff 1 |
| updated on: | 00.00.0000 |
| Remark: | Ha 17 Ban/Ashibe |