List of all U-boats




Ordered7 Dec 1940
Laid down14 Jun 1941 Flender Werke AG, Lübeck (werk 303)
Launched16 May 1942
Commissioned7 Jul 1942Kptlt. Karl-Franz Heine
7 Jul 1942 - 21 May 1943  Kptlt. Karl-Franz Heine
2 patrols
7 Jul 1942-31 Dec 1942  8. Flottille (training)
1 Jan 1943-31 Mar 1943  7. Flottille (active service)
1 Apr 1943-21 May 1943  29. Flottille (active service)
Successes1 ship sunk, total tonnage 4,959 GRT

Sunk on 21 May 1943 in the Mediterranean Sea south of Toulon, in position 42.50N, 06.00E, by a torpedo from the British submarine HMS Sickle. 20 dead and 28 survivors.

Loss position

See the 1 ships hit by U-303 - View the 2 war patrols

Wolfpack operations

U-303 operated with the following Wolfpacks during its career:
   Habicht (10 Jan 1943 - 19 Jan 1943)
   Haudegen (19 Jan 1943 - 15 Feb 1943)

Men lost from U-boats

Unlike many other U-boats, which during their service lost men due to accidents and various other causes, U-303 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, Vol II

Blair, Clay

Hitler's U-boat War

Blair, Clay

Submarines versus U-boats

Jones, Geoffrey