List of all U-boats




Ordered20 Jan 1941
Laid down3 Oct 1941 Blohm & Voss, Hamburg (werk 611)
Launched24 Jun 1942
Commissioned13 Aug 1942Oblt. Heinz Eckelmann
13 Aug 1942 - 5 Apr 1943  Oblt. Heinz Eckelmann
1 patrol
13 Aug 1942-31 Mar 1943  5. Flottille (training)
1 Apr 1943-5 Apr 1943  3. Flottille (active service)
Successes2 ships damaged, total tonnage 14,894 GRT

Sunk on 5 April 1943 in the North Atlantic south-east of Cape Farewell, Greenland, in position 58.20N, 31.52W, by depth charges from a British Liberator aircraft (120 Sqn RAF/N). 47 dead (all hands lost). (FDS/NHB, March 1985).

Loss position

See the 2 ships hit by U-635 - View the 1 war patrol

Previously recorded fate

  • Sunk 6 April 1943 in the North Atlantic southwest of Iceland, in position 58.25N, 29.22W, by depth charges from the British frigate HMS Tay. (Postwar assessment)
    Notes. This attack was actually against U-306 inflicting no damage.

Wolfpack operations

U-635 operated with the following Wolfpacks during its career:
   Löwenherz (1 Apr 1943 - 5 Apr 1943)

Men lost from the boat

15 Feb 1943
A man from U-635 took his own life in Hamburg. [Maschinengefreiter Werner Grande]

  Related: For more info on such losses see - Men lost from U-boats -

U-boat Emblems

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

Clover on Shield

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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