List of all U-boats

U-991

Type

VIIC

 
Ordered25 May 1941
Laid down30 Oct 1942 Blohm & Voss, Hamburg (werk 191)
Launched24 Jun 1943
Commissioned29 Jul 1943Oblt. Diethelm Balke
Commanders
29 Jul 1943 - 9 May 1945  Kptlt. Diethelm Balke (German Cross in Gold)
Career
1 patrol
29 Jul 1943-31 Aug 1944  5. Flottille (training)
1 Sep 1944-8 May 1945  11. Flottille (active service)
SuccessesNo ships sunk or damaged
Fate

Surrendered on 9 May 1945 at Bergen, Norway (Waller & Niestlé, 2010).

Transferred to Loch Ryan on 2 June 1945.

Operation Deadlight (post-war Allied operation, info)
Sunk on 11 Dec, 1945 in position 56.10N, 10.05W.

Final location

View the 1 war patrol

Schnorchel-fitted U-boat

This boat was fitted with a Schnorchel underwater-breathing apparatus in August 1944.

Read more about the Schnorchel and see list of fitted boats.

Men lost from U-boats

Unlike many other U-boats, which during their service lost men due to accidents and various other causes, U-991 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.


Diving Eagle

Media links


The Grey Wolves of Eriboll

David M. Hird


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


The Royal Navy and German Naval Disarmament, 1942-1947

Madsen, Chris


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