Nummer: 21613a
| Area : | Baltic Sea |
| Sea area : | Gulf of Finland |
| Date of attack : | 25.08.1944 |
| Time of attack : | 10:11 |
| Nationality of U-boat : | German |
| U-boat : | U 242 |
| Commander : | Pancke |
| Grid : | AO 3398 |
| presumed target type : | Miscellaneous Auxiliary |
| presumed tonnage : | 600 BRT |
| presumed result : | sunk |
| Used weapon(s) : | Torpedo(es) |
| Date of observation : | 25.08.1944 |
| Nationality of target : | Soviet |
| Actual type of target : | Submarine Tender |
| Name of target : | KKO-2 |
| Year of launch : | .. |
| Actual tonnage : | ... BRT |
| Actual result : | sunk |
| Position of target : | 60.04n 29.00e |
| Footnote : | U-242 torpedoed and sunk a stopped survey vessel with a barge alongside. |
| related attacks : | Angriff 1 |
| updated on: | 00.00.0000 |