Nummer: 27910
| Area : | Pacific Ocean |
| Sea area : | South Pacific |
| Date of attack : | 04.06.1942 |
| Nationality of U-boat : | Japanese |
| U-boat : | I-27 |
| Commander : | Yoshimura |
| presumed target type : | Steam Freighter |
| presumed result : | damaged |
| Used weapon(s) : | Torpedo(es) + Gunfire |
| Date of observation : | 04.06.1942 |
| Nationality of target : | Australian |
| Actual type of target : | Steam Freighter |
| Name of target : | Barwon |
| Year of launch : | 1929 |
| Actual tonnage : | 4239 BRT |
| Actual result : | damaged |
| Position of target : | 45nm SE Gabo Is. |
| Footnote : | "Barwon" was only slightly damaged by the torpedo hit. |