U-400
Type | VIIC | |||
| Ordered | 25 Aug, 1941 | |||
| Laid down | 18 Nov, 1942 | Howaldtswerke, Kiel (werk 32) | ||
| Launched | 8 Jan, 1944 | |||
| Commissioned | 18 Mar, 1944 | Kptlt. Horst Creutz | ||
| Commanders |
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| Career | 1 patrol | 18 Mar, 1944 - 31 Oct, 1944 5. Flottille (training) 1 Nov, 1944 - 15 Dec, 1944 11. Flottille (front boat) | ||
| Successes | No ships sunk or damaged | |||
| Fate | Sunk during mid-December 1944 on the British minefield »HY A1« in position 50°39,9’n / 05°05’w off the Cornish coast. 50 dead (all hands lost). | |||
July 4, 2007
Published the article The loss of U 325, U 400 and U 1021 by Dr. Axel Niestlé. This article explains the loss of this boat.
Previously recorded fate (Last revised by Axel Niestlé during May 2007). More on revised fates
Sunk 17 Dec, 1944 in the North Atlantic south of Cork, in position 51.16N, 08.05W, by depth charges from the British frigate HMS Nyasaland.
This attack sank the U-772 instead.
Schnorchel-fitted U-boat
This boat was fitted with a Schnorchel underwater-breathing apparatus in October 1944. Read more about the Schnorchel and see list of fitted boats.
Men lost from U-boats
Unlike many other U-boats, which during their service lost men due to accidents and various other causes, U-400 did not suffer any casualties (we know of) until the time of her loss.
![]() German U-Boat Losses During World War II Niestle, Axel Buy this title at amazon.co.uk See more sellers |
Books dealing with this subject include: |

