Nummer: 04918a
| Area : | Western Area |
| Sea area : | North Atlantic |
| Date of attack : | 20.04.1941 |
| Time of attack : | 03:32 |
| Nationality of U-boat : | German |
| U-boat : | U 73 |
| Commander : | Rosenbaum |
| Grid : | AL 8424 |
| presumed target type : | Steam Freighter |
| presumed tonnage : | 7000 BRT |
| presumed result : | sunk |
| Number of torpedoes/mines : | 2- |
| Used weapon(s) : | Torpedo(es) |
| Date of observation : | 20.04.1941 |
| Nationality of target : | British |
| Actual type of target : | Steam Freighter |
| Name of target : | Empire Endurance |
| Year of launch : | 1928 |
| Actual tonnage : | 8570 BRT |
| Actual result : | sunk |
| Position of target : | 53.05n 23.14w |
| Footnote : | With "Empire Endurance" the two motor-launches ML-1003 and ML-1037 (each one 46 ts) were lost. |
| related attacks : | Angriff 1 Angriff 2 |
Steam Freighter Empire Endurance ex German Alster (bis 1940)