List of all U-boats

U-521

Type

IXC

Ordered

14 Feb 1940

Laid down

3 Jul 1941

Deutsche Werft AG, Hamburg (werk 336)

Launched

17 Mar 1942

Commissioned

3 Jun 1942

Oblt. Klaus Bargsten (Knights Cross)

Commanders

3 Jun 1942

2 Jun 1943

Kptlt. Klaus Heinrich Bargsten (Knights Cross)

Career
3 patrols

3 Jun 1942	-	30 Sep 1942	4. Flottille (training)
1 Oct 1942	-	2 Jun 1943	2. Flottille (active service)

Successes

3 ships sunk, total tonnage 19,551 GRT
1 auxiliary warship sunk, total tonnage 750 GRT

Fate

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)
   Tümmler (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.