Nummer: 27012
| Area : | Indic Ocean |
| Date of attack : | 05.08.1943 |
| Time of attack : | 17:45 |
| Nationality of U-boat : | German |
| U-boat : | U 177 |
| Commander : | Gysae |
| Grid : | KR 1543 |
| presumed target type : | Steam Freighter id |
| presumed tonnage : | 4195 BRT |
| presumed result : | sunk |
| Used weapon(s) : | Torpedo(es) |
| Date of observation : | 05.08.1943 |
| Nationality of target : | Greek |
| Actual type of target : | Steam Freighter |
| Name of target : | Efthalia Mari |
| Year of launch : | 1919 |
| Actual tonnage : | 4195 BRT |
| Actual result : | sunk |
| Position of target : | 24.21s 48.55e |