Nummer: 27911
| Area : | Pacific Ocean |
| Sea area : | South Pacific |
| Date of attack : | 04.06.1942 |
| Nationality of U-boat : | Japanese |
| U-boat : | I-27 |
| Commander : | Yoshimura |
| Grid : | 38s/149e |
| presumed target type : | Steam Freighter |
| presumed result : | sunk |
| Used weapon(s) : | Torpedo(es) |
| Date of observation : | 04.06.1942 |
| Nationality of target : | Australian |
| Actual type of target : | Steam Freighter |
| Name of target : | Iron Crown |
| Year of launch : | 1922 |
| Actual tonnage : | 3353 BRT |
| Actual result : | sunk |
| Position of target : | 38.17s 149.44e |