Nummer: 09810
| Area : | Western Area |
| Sea area : | Carribean Sea |
| Date of attack : | 23.05.1942 |
| Time of attack : | 00:53 |
| Nationality of U-boat : | German |
| U-boat : | U 558 |
| Commander : | Krech |
| Grid : | EB 3855 |
| presumed target type : | Tanker id |
| presumed tonnage : | 7061 BRT |
| presumed result : | damaged |
| Used weapon(s) : | Torpedo(es) |
| Date of observation : | 22.05.1942 |
| Time of observation : | 23:05 |
| Nationality of target : | American |
| Actual type of target : | Steam Tanker |
| Name of target : | William Boyce Thompson |
| Year of launch : | 1921 |
| Actual tonnage : | 7061 BRT |
| Actual result : | damaged |
| Position of target : | 16.26n 77.51w |
