|Ordered||14 Oct 1941|
|Laid down||31 Mar 1943||Deutsche Werft AG, Hamburg (werk 394)|
|Launched||18 Nov 1943|
|Commissioned||9 Feb 1944||Kapt. z. S. Hermann Lessing|
|Successes||No ships sunk or damaged|
Surrendered on 13 May 1945 at Loch Eriboll, Scotland (Waller & Niestlé, 2010).
Post war information (see more post-war boats):
Previously recorded fate
- Surrendered at Lough Foyle (Lisahally), Northern Ireland on 14 May, 1945.
Men lost from U-boats
Unlike many other U-boats, which during their service lost men due to accidents and various other causes, U-1231 did not suffer any casualties (we know of) until the time of her loss.
We have 1 emblem entry for this boat. See the emblem page for this boat or view emblems individually below.