Nummer: 11803
| Area : | Western Area |
| Sea area : | North Atlantic |
| Date of attack : | 19.08.1942 |
| Time of attack : | 16:22 |
| Nationality of U-boat : | German |
| U-boat : | U 406 |
| Commander : | Dieterichs |
| Grid : | BE 8977 |
| presumed target type : | Steam Freighter |
| presumed tonnage : | 6000 BRT |
| presumed result : | sunk |
| Used weapon(s) : | Torpedo(es) |
| Convoy : | SL.118 |
| Date of observation : | 19.08.1942 |
| Nationality of target : | British |
| Actual type of target : | Steam Freighter |
| Name of target : | City of Manila |
| Year of launch : | 1916 |
| Actual tonnage : | 7452 BRT |
| Actual result : | sunk |
| Position of target : | 43.21n 18.20w |
| Convoy : | SL.118 |
| Route of convoy : | Sierra Leone (Freetown) - United Kingdom (Liverpool) |
| Remark to convoy : | Since Sep 1939; from May 1943 combined with MKS in Atlantic, counter traffic = OS. |