List of all U-boats




Ordered21 Nov 1940
Laid down13 Oct 1941 F Schichau GmbH, Danzig (werk 1524)
Launched5 Sep 1942
Commissioned14 Nov 1942Oblt. Wilhelm von Trotha
14 Nov 1942 - 11 May 1943  Oblt. Wilhelm von Trotha
15 Dec 1943 - 3 Mar 1945  Oblt. Hans Hellmann
1 Apr 1945 - 5 May 1945  Oblt. Ulrich Hammer
No patrols
14 Nov 1942-11 May 1943  8. Flottille (training)
15 Dec 1943-28 Feb 1945  21. Flottille (school boat)
1 Mar 1945-5 May 1945  31. Flottille (training)
SuccessesNo ships sunk or damaged

Sank on 8 April 1943 in the harbor entrance of Gotenhafen after a collision with the German patrol vessel VP 313. No casualties. Raised on 16 April 1943, repaired at the Schichau-Werft in Königsberg and returned to service on 15 December 1943.

Scuttled on 5 May 1945 in Flensburg Firth, in position 54.48N, 09.49E, after being damaged by US fighter bombers (XXIX TAC, 9th AF) on 4 May. Wreck broken up in 1948.

Final location

Attacks on this boat and other events

4 May 1945
U-393 and U-733 were proceeding from Flensburg to Horten together when they were attacked and badly damaged by US fighter bombers (XXIX TAC, 9th AF) in the Gelting Bay at 1740hrs. Both U-boats were scuttled by their crews the next day. U-733 had no casualties, but the commander and a crewman from U-393 were mortally wounded during the air attack.

1 recorded attack on this boat.

Men lost from the boat

3 Mar 1945
The commander of the boat died after an accident in Wesermünde. [Oberleutnat zur See Hans Hellmann]

  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.

Angel and Bow

Media links

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

Wynn, Kenneth

German U-Boat Losses During World War II

Niestle, Axel

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