|Ordered||6 Nov 1943|
|Laid down||1 Oct 1944||AG Weser, Bremen (werk 1179)|
|Launched||16 Nov 1944|
|Commissioned||23 Dec 1944||Oblt. Heinrich Mäuerler|
|Successes||No ships sunk or damaged|
Scuttled on 2 May 1945 at Travemünde. Wreck broken up.
Men lost from U-boats
Unlike many other U-boats, which during their service lost men due to accidents and various other causes, U-3020 did not suffer any casualties (we know of) until the time of her loss.