List of all U-boats




Ordered15 Dec 1937
Laid down22 May 1939 F. Krupp Germaniawerft AG, Kiel (werk 596)
Launched21 Mar 1940
Commissioned27 Apr 1940Kptlt. Harro von Klot-Heydenfeldt
27 Apr 1940 - 1 Jul 1940  Kptlt. Harro von Klot-Heydenfeldt
1 patrol
27 Apr 1940-1 Jun 1940  7. Flottille (training)
1 Jun 1940-1 Jul 1940  7. Flottille (active service)
Successes1 ship sunk, total tonnage 5,219 GRT

Sunk on 1 July 1940 in the North Atlantic south-west of Ireland, in position 48.33N, 10.26W, by depth charges from the British destroyer HMS Vansittart. 43 dead (all hands lost). (FDS/NHB, December 1985).

Loss position

See the 1 ships hit by U-102 - View the 1 war patrol

Previously recorded fate

  • This boat had always been assumed missing somewhere in the Bay of Biscay after 30 June, 1940. (Postwar assessment)

General notes on this boat

The boat had just sunk the steamer Clearton from the convoy SL-36 when she was herself sunk shortly afterwards.

Men lost from U-boats

Unlike many other U-boats, which during their service lost men due to accidents and various other causes, U-102 did not suffer any casualties (we know of) until the time of her loss.

Media links

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

Wynn, Kenneth

German U-Boat Losses During World War II

Niestle, Axel

Hitler's U-boat War

Blair, Clay

There was another U-102 in World War One
That boat was launched from its shipyard on 12 May 1917 and commissioned into the Imperial Navy on 18 Jun 1917. The Naval war in WWI was brought to an end with the Armistice signed on 11 Nov, 1918. Read about SM U 102 during WWI.

Related page:
U-boats Missing in Action.

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