Nummer: 21505
| Area : | Baltic Sea |
| Sea area : | Gulf of Finland |
| Date of minelaying : | 24.06.1941 |
| Nationality of U-boat : | Finnish |
| U-boat : | VESIHIISI |
| Commander : | Kijanen |
| Grid : | F7 barrage |
| presumed target type : | --- |
| presumed tonnage : | ---- --- |
| presumed result : | hit not ascertained |
| Used weapon(s) : | Sea mine(s) |
| Date of sinking : | 11.08.1941 |
| Nationality of target : | Soviet |
| Actual type of target : | Steam Freighter |
| Name of target : | Vyakheslav Molotov |
| Year of launch : | 1939 |
| Actual tonnage : | 7500 BRT |
| Actual result : | damaged |
| Position of target : | near Rodskär |
| Footnote : | Mine barrage F.7 (laid on Jun.24th by "Vesihiisi" near Rodskär) may have caused the damage of "Vyakheslav Molotov". But the destroyer "Steregushchii" was damaged near Kallbada, far off mine barrage F.7. |