Nummer: 27915
| Area : | Pacific Ocean |
| Sea area : | South Pacific |
| Date of attack : | 09.06.1942 |
| Nationality of U-boat : | Japanese |
| U-boat : | I-24 |
| Commander : | Hanabusa |
| Grid : | Sydney |
| presumed target type : | Steam Freighter |
| presumed result : | damaged |
| Used weapon(s) : | Gunfire |
| Date of observation : | 09.06.1942 |
| Time of observation : | 00:50 |
| Nationality of target : | British |
| Actual type of target : | Motor Freighter |
| Name of target : | Orestes |
| Year of launch : | 1926 |
| Actual tonnage : | 7748 BRT |
| Actual result : | damaged |
| Position of target : | SE Jervis Bay |