List of all U-boats




Ordered14 Feb 1940
Laid down3 Jul 1941 Deutsche Werft AG, Hamburg (werk 336)
Launched17 Mar 1942
Commissioned3 Jun 1942Oblt. Klaus Bargsten (Knights Cross)
3 Jun 1942 - 2 Jun 1943  Kptlt. Klaus Heinrich Bargsten (Knights Cross)
3 patrols
3 Jun 1942-30 Sep 1942  4. Flottille (training)
1 Oct 1942-2 Jun 1943  2. Flottille (active service)
Successes3 ships sunk, total tonnage 19,551 GRT
1 auxiliary warship sunk, total tonnage 750 GRT

Sunk on 2 June 1943 in the North Atlantic north-east of Norfolk, in position 37.43N, 73.16W, by depth charges from the US patrol craft USS PC-565. 51 dead and 1 survivor.

Loss position

See the 4 ships hit by U-521 - View the 3 war patrols

Wolfpack operations

U-521 operated with the following Wolfpacks during its career:
   Kreuzotter (8 Nov 1942 - 21 Nov 1942)
   Rochen (27 Jan 1943 - 28 Feb 1943)
   T├╝mmler (12 Mar 1943 - 22 Mar 1943)

Attacks on this boat and other events

31 Oct 1942
A Hudson bomber (Sqdn 145) attacked while U-521 was engaging convoy SC 107. Minor damage. (Sources: Blair, vol 2, page 45.)

1 recorded attack on this boat.

Men lost from U-boats

Unlike many other U-boats, which during their service lost men due to accidents and various other causes, U-521 did not suffer any casualties (we know of) until the time of her loss.

U-boat Emblems

We have 2 emblem entries for this boat. See the emblem page for this boat or view emblems individually below.

Branch and Leaves

Leaves on Shield

Media links

German U-Boat Losses During World War II

Niestle, Axel

Hitler's U-boat War, Vol II

Blair, Clay

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

Wynn, Kenneth

Hitler's U-boat War

Blair, Clay

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