List of all U-boats




Ordered7 Dec 1940
Laid down15 Aug 1941 F. Krupp Germaniawerft AG, Kiel (werk 663)
Launched8 May 1943
Commissioned22 Sep 1943Oblt. Hans Steen
22 Sep 1943 - 5 Jul 1944  Kptlt. Hans Steen
1 patrol
22 Sep 1943-31 May 1944  4. Flottille (training)
1 Jun 1944-5 Jul 1944  12. Flottille (active service)
SuccessesNo ships sunk or damaged

Sunk 5 July 1944 south-east of Halifax, in position 42.16N, 59.49W by ramming, depth charges and gunfire from the US destroyer escorts USS Baker and USS Thomas. 32 dead and 29 survivors.

Loss position

View the 1 war patrol

General notes on this boat

U-233 left Kiel, Germany on 27 May, 1944 for a planned mine-laying patrol outside of Halifax.

Men lost from U-boats

Unlike many other U-boats, which during their service lost men due to accidents and various other causes, U-233 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.

Man with Ladder - Chimneysweep

Media links

U-Boat Operations of the Second World War - Vol 1

Wynn, Kenneth

German U-Boat Losses During World War II

Niestle, Axel

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