Nummer: 17104
| Area : | Western Area |
| Sea area : | North Atlantic |
| Date of attack : | 18.09.1943 |
| Time of attack : | 17:26 |
| Nationality of U-boat : | German |
| U-boat : | U 260 |
| Commander : | Purkhold |
| Grid : | AK 6553 |
| presumed target type : | Tanker |
| presumed tonnage : | big |
| presumed result : | damaged ? |
| Used weapon(s) : | Torpedo(es) |
| Convoy : | HX.256 |
| Date of observation : | 18.09.1943 |
| Time of observation : | 16:45 |
| Nationality of target : | American |
| Actual type of target : | Steam Freighter |
| Name of target : | William Pepperell |
| Year of launch : | 1943 |
| Actual tonnage : | 7176 BRT |
| Actual result : | target visibly missed |
| Position of target : | 55.02n 29.27w |
| Footnote : | U-260 heard one hit without detonation. - "William Pepperell" (7.176 grt) reported that one torpedo hit her torpedo net. |
| Convoy : | HX.256 |
| 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. |