Nummer: 27506
| Area : | Indic Ocean |
| Sea area : | Indian Seaway |
| Date of attack : | 05.06.1944 |
| Nationality of U-boat : | German |
| U-boat : | U 183 |
| Commander : | Schneewind |
| Grid : | LN 4931 |
| presumed target type : | Steam Freighter |
| presumed tonnage : | 5000 BRT |
| presumed result : | sunk |
| Used weapon(s) : | Torpedo(es) |
| Date of observation : | 05.06.1944 |
| Time of observation : | 18:03 |
| Nationality of target : | British |
| Actual type of target : | Steam Freighter |
| Name of target : | Helen Moller |
| Year of launch : | 1918 |
| Actual tonnage : | 5259 BRT |
| Actual result : | sunk |
| Position of target : | 04.28s 74.45e |