Nummer: 22211
| Area : | Black Sea |
| Sea area : | Southeast Coast (Batum) |
| Date of attack : | 13.08.1944 |
| Nationality of U-boat : | German |
| U-boat : | U 18 |
| Commander : | Fleige |
| Grid : | CS 1716 |
| presumed target type : | Gun Boat |
| presumed tonnage : | 200 ts |
| presumed result : | sunk |
| Number of torpedoes/mines : | 2 |
| Used weapon(s) : | Acoustic homing torpedo (gnat) |
| Name of target : | Kanonenboot |
| Actual result : | hit not ascertained |
| Position of target : | 20nm S Poti |
| Footnote : | U-18 reported attack on 2 gunboats, one of them sunk. - No Soviet reports. |