Nummer: 05220
| Area : | Western Area |
| Sea area : | North Atlantic |
| Date of attack : | 20.05.1941 |
| Time of attack : | 15:16 |
| Nationality of U-boat : | German |
| U-boat : | U 556 |
| Commander : | Wohlfarth |
| Grid : | AJ 3482 |
| presumed target type : | Steam Freighter |
| presumed tonnage : | 5000 BRT |
| presumed result : | sunk |
| Number of torpedoes/mines : | 1 |
| Used weapon(s) : | Torpedo(es) |
| Convoy : | HX.126 |
| Date of observation : | 20.05.1942 |
| Nationality of target : | British |
| Actual type of target : | Steam Freighter |
| Name of target : | Cockaponset |
| Year of launch : | 1919 |
| Actual tonnage : | 5995 BRT |
| Actual result : | sunk |
| Position of target : | 57.28n 41.07w |
Steam Freighter Cockaponset ex American Cockaponsett (bis 1940)
| Convoy : | HX.126 |
| Route of convoy : | (New York) - Halifax - United Kingdom |
| Remark to convoy : | Sep 1939 to Sep 1942 ab Halifax, then from New York (counter traffic = ON), vgl. HXF und SC. |
| updated on: | 00.00.0000 |