Nummer: 01817
| Area : | Western Area |
| Sea area : | English Channel |
| Date of attack : | 02.06.1940 |
| Time of attack : | 05:05 |
| Nationality of U-boat : | German |
| U-boat : | U 101 |
| Commander : | Frauenheim |
| Grid : | BF 2495 |
| presumed target type : | Steam Freighter |
| presumed tonnage : | 6000 BRT |
| presumed result : | sunk |
| Number of torpedoes/mines : | 1 |
| Used weapon(s) : | Torpedo(es) |
| Date of observation : | 02.06.1940 |
| Nationality of target : | British |
| Actual type of target : | Steam Freighter |
| Name of target : | Polycarp |
| Year of launch : | 1918 |
| Actual tonnage : | 3577 BRT |
| Actual result : | sunk |
| Position of target : | 49.19n 05.35w |
