10 Aug, 1941
ShCh-307 torpedoes and sinks the German submarine U-144 in the Gulf of Finland north of Dagö, in approximate position 58º58'N, 21º24'E. (see map)

2 Oct, 1942
While on patrol in the Aland Sea ShCh-307 fires two torpedoes against the Finnish merchant Wanda (1902 GRT). Both torpedoes missed their target.

11 Oct, 1942
ShCh-307 attacks a convoy with two torpedoes south of Aland in position 59º58'N 19º39'E. The Finnish (?) merchant Orient (4160 GRT) and the small German tanker Hiddensee (643 GRT) were missed in this attack. (see map)

21 Oct, 1942
Shch-307 attacks a convoy and fires two torpedoes against ' what is identified as ' a merchant of 10000 GRT, both torpedoes failed to hit their target.

26 Oct, 1942
ShCh-307 torpedoes and sinks the Finnish merchant Betty H. (2478 GRT) south of Aland in position 59º54'N, 19º45'E. (see map)

16 Oct, 1944
ShCh-307 attacks a convoy off Ventspils, Latvia. Four torpedoes were fired but none found their intended target.

29 Oct, 1944
ShCh-307 fires two torpedoes against ' what is identified as ' a merchant of 10000 GRT. Both torpedoes missed their target.

3 Nov, 1944
While on patrol near Akmenrags, Latvia ShCh-307 makes two attacks firing two torpedoes in each attack. The first attack at 2157 hours was against ' what is identified as ' a merchant of 5000 GRT, the second attack 16 minutes later was against ' what is identified as ' a merchant of 3000 GRT. All four torpedoes fired during these two attacks failed to hit their intended target.

9 Jan, 1945
ShCh-307 fires two torpedoes against ' what is identified as ' a merchant of 10000 GRT south-west of Libau in position 56º14'N, 20º28'E. Both torpedoes missed their target. ShCh-307 was depth charged by the German auxiliary patrol vessel V 317 / Wega but managed to escape. (see map)

16 Jan, 1945
ShCh-307 torpedoes and sinks the German merchant Henrietta Schulze (1923 GRT) south-west of Libau in position 56º19'N, 20º23'E. (see map)

6 Mar, 1945
Received the Red Banner Award. Her commander M.S. Kalinin received the honourable rank of The Hero of the Soviet Union simultaneously.

28 Apr, 1948
Disarmed and reformed to floating charging station PZS-5

5 Sep, 1995
Conning tower of this boat was installed at the Memorial of Victory at Poklonnaya hill in Moscow