List of all U-boats

U-1231

Type

IXC/40

 
Ordered14 Oct 1941
Laid down31 Mar 1943 Deutsche Werft AG, Hamburg (werk 394)
Launched18 Nov 1943
Commissioned9 Feb 1944Kapt. z. S. Hermann Lessing
Commanders
9 Feb 1944 - Mar, 1945  Kpt. Hermann Lessing
Mar, 1945 - 14 May 1945  Oblt. Helmut Wicke
Career
2 patrols
9 Feb 1944-31 Aug 1944  31. Flottille (training)
1 Sep 1944-30 Sep 1944  11. Flottille (front boat)
1 Oct 1944-8 May 1945  33. Flottille (front boat)
SuccessesNo ships sunk or damaged
Fate

Surrendered on 13 May 1945 at Loch Eriboll, Scotland (Waller & Niestlé, 2010).

View the 2 war patrols

Became the USSR submarine N 25. Broken up in 1960.

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.



Hitler's U-boat War
Blair, Clay


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Books dealing with this subject include

German U-Boat Losses During World War II. Niestle, Axel, 1998.
Hitler's U-boat War. Blair, Clay, 1996.
Hitler's U-boat War, Vol II. Blair, Clay, 1998.
Podwodna wachta. Jegorow, Gieorgij, 1988.
U-Boat Operations of the Second World War - Vol 1. Wynn, Kenneth, 1998.
U-Boat Operations of the Second World War - Vol 2. Wynn, Kenneth, 1998.