|Ordered||16 Jul 1942|
|Laid down||5 May 1943||Danziger Werft AG, Danzig (werk 143)|
|Launched||23 Nov 1943|
|Commissioned||22 Mar 1944||Oblt. Otto-Heinrich Nachtigall|
|Successes||No ships sunk or damaged|
Surrendered on 9 May 1945 at Stavanger, Norway (Waller & Niestlé, 2010).
Transferred from Stavanger, Norway to Loch Ryan, Scotland on 29 May, 1945.
Became the British submarine N 19. Broken up at Sunderland in April 1949.
Men lost from U-boats
Unlike many other U-boats, which during their service lost men due to accidents and various other causes, U-1171 did not suffer any casualties (we know of) until the time of her loss.