List of all U-boats




Ordered20 Jan 1941
Laid down2 Dec 1941 Howaldtswerke Hamburg AG, Hamburg (werk 820)
Launched15 Dec 1942
Commissioned3 Mar 1943Oblt. August-Wilhelm Hewicker
3 Mar 1943 - 4 May 1943  Oblt. August-Wilhelm Hewicker
7 May 1943 - 4 Aug 1944  Kptlt. Wolfgang Hegewald
2 patrols
3 Mar 1943-30 Apr 1944  5. Flottille (training)
1 May 1944-4 Aug 1944  3. Flottille (active service)
SuccessesNo ships sunk or damaged

Sunk at 0230hrs on 4 August 1944 in the English Channel south of Newhaven, in position 50.23N, 00.06E, by depth charges from the British frigate HMS Stayner and the British escort destroyer HMS Wensleydale. 47 dead and 5 survivors.

Loss position

View the 2 war patrols

Attacks on this boat and other events

2 Jul 1944
While on the bottom at 203 ft (62 m) (having been harassed by Allied ASW forces for days) U-671 was attacked yet again, this time by a group of "destroyers" but she managed to escape and arrived at Boulogne, France on 5 July. (Sources: Blair, vol 2, page 591)

1 recorded attack on this boat.

Schnorchel-fitted U-boat

This boat was fitted with a Schnorchel underwater-breathing apparatus in April 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-671 did not suffer any casualties (we know of) until the time of her loss.

U-boat Emblems

We have 1 emblem entry for this boat. See the emblem page for this boat or view emblems individually below.


Media links

U-Boat Operations of the Second World War - Vol 2

Wynn, Kenneth

Hitler's U-boat War, Vol II

Blair, Clay

German U-Boat Losses During World War II

Niestle, Axel

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