Contract cancelled 23 Sep 44 and construction abandoned
Laid-up incomplete in Danzig
Captured incomplete by Soviet forces on 30 Mar 45

Schichau Shipyard Hull No: G-146
Launched at Danzig in mid-1945
Towed to Libau (Latvia)
Inspected by TNC in Libau on 8 Oct 45 - still incomplete
Defined in TNC Report on 6 Dec 45 as an “unallocated submarine afloat”
Probably moved to Kronstadt in late 1945/early 1946
No evidence of completion or use
Final fate unknown, probably scrapped in 1947/48