Nummer: 21402
| Area : | Baltic Sea |
| Sea area : | Pomeranian / Prussian Coast |
| Date of attack : | 07.09.1939 |
| Time of attack : | 23:09 |
| Nationality of U-boat : | German |
| U-boat : | U 22 |
| Commander : | Winter |
| Grid : | AO 9276 |
| presumed target type : | Submarine |
| presumed result : | sunk |
| Number of torpedoes/mines : | 1 |
| Used weapon(s) : | Torpedo(es) |
| Nationality of target : | Polish |
| Actual type of target : | Submarine |
| Name of target : | [Zbik] |
| Year of launch : | 1911 |
| Actual tonnage : | 980 ts |
| Actual result : | hit not ascertained |
| updated on: | 00.00.0000 |