List of all U-boats




Ordered15 Aug 1940
Laid down21 May 1941 Deutsche Schiff und Maschinenbau AG, Bremen (werk 709)
Launched6 Jun 1942
Commissioned19 Jan 1943Kptlt. Günther Pfeffer
19 Jan 1943 - Jul, 1944  Kptlt. Günther Pfeffer
Jul, 1944 - 9 May 1945  Oblt. (R) Hans-Gerold Hauber
4 patrols
19 Jan 1943-31 May 1943  4. Flottille (training)
1 Jun 1943-31 Oct 1944  10. Flottille (active service)
1 Nov 1944-8 May 1945  33. Flottille (active service)
Successes1 ship sunk, total tonnage 4,663 GRT

Surrendered on 9 May 1945 at Horten, Norway.

Transferred to Loch Ryan, Scotland on 27 May 1945.

Operation Deadlight (post-war Allied operation, info)
Sunk on 30 Nov, 1945 in position 55.44N, 07.53W.

Final location

See the 1 ships hit by U-170 - View the 4 war patrols

Attacks on this boat and other events

25 Oct 1944
A boat was attacked and damaged by aircraft from the Guadalcanal hunter-killer group. Blair claims this was U-170, but that boat reported "Very quiet day ... far away depth charges heard". (Sources: Blair, vol 2, page 621)

31 Oct 1944
The boat reported an attack on a convoy escorted by "destroyers" and fired a T5 torpedo, but was in return depth charged and severely damaged (War Diary, KTB).

5 Nov 1944
The boat reported Schnorchel damage from depth charging and an intention to return for repair. She docked in Norway on 30 Nov. (Sources: Blair, vol 2, page 621)

3 recorded attacks 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-170 did not suffer any casualties (we know of) until the time of her loss.

U-boat Emblems

We have 2 emblem entries for this boat. See the emblem page for this boat or view emblems individually below.

10th Flotilla

Rabbit with Skis

Media links

The Grey Wolves of Eriboll

David M. Hird

German U-Boat Losses During World War II

Niestle, Axel

The Royal Navy and German Naval Disarmament, 1942-1947

Madsen, Chris
($ 58.77)

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

Wynn, Kenneth

Hitler's U-boat War, Vol II

Blair, Clay

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