Nummer: 03311
| Area : | Western Area |
| Sea area : | North Atlantic |
| Date of attack : | 18.10.1940 |
| Time of attack : | 23:17 |
| Nationality of U-boat : | German |
| U-boat : | U 100 |
| Commander : | Schepke |
| Grid : | AM 2921 |
| presumed target type : | Steam Freighter id |
| presumed tonnage : | 5458 BRT |
| presumed result : | damaged |
| Number of torpedoes/mines : | 1 |
| Used weapon(s) : | Torpedo(es) |
| Convoy : | SC.7 (13) |
| Date of observation : | 18.10.1940 |
| Time of observation : | 22:28 |
| Nationality of target : | British |
| Actual type of target : | Steam Freighter |
| Name of target : | Shekatika |
| Year of launch : | 1936 |
| Actual tonnage : | 5458 BRT |
| Actual result : | damaged |
| Position of target : | 57.12n 11.08w |
| Footnote : | "Shekatika", a timber loaded romper of SC.7, was first torpedoed by U-100 at 22:28h, and finally sunk by U-123 on Oct.19th at 3:11h. |
| related attacks : | Angriff 1 |
| Convoy : | SC.7 (13) |
| Route of convoy : | Sydney (Nova Scotia) - United Kingdom |
| Remark to convoy : | Slow (Atlantic) Convoys since Aug 1940, fast ones = HX, counter traffic = ON. |