Nummer: 09503
| Area : | Western Area |
| Sea area : | US East Coast |
| Date of attack : | 12.05.1942 |
| Time of attack : | 09:44 |
| Nationality of U-boat : | German |
| U-boat : | U 553 |
| Commander : | Thurmann |
| Grid : | BB 1476 |
| presumed target type : | Steam Freighter |
| presumed tonnage : | 3000 BRT |
| presumed result : | sunk |
| Used weapon(s) : | Torpedo(es) |
| Footnote : | U-553 observed one explosion aft, but could not observe the ship sinking. |
