List of all U-boats




Ordered7 Dec 1940
Laid down14 Jun 1941 Flender Werke AG, L├╝beck (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 21 May 1943 in the western Mediterranean south of Toulon, in position 42.50N, 06.00E by torpedoes 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