Unterseeboot 303

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U-303
Type VIIC


Launch Date May 16, 1942
Commission Date July 7, 1942
Construction yard Flenderwerft, Lübeck
Patrols
Start Date End Date Assigned Unit
December 31, 1942 March 8, 1943 8th Flotilla
April 1, 1943 April 15, 1943 7th Flotilla
May 21, 1943 May 21, 1943 29th Flotilla
Commanders
July, 1942 May, 1943 Kptlt. Karl-Franz Heine
Successes
Type of Ship Sunk Number of Ships Sunk Gross Registered Tonnage
Commercial Vessels 1 4,959
Military Vessels None 0

Unterseeboot 303 (usually abbreviated to U-303) was a German U-boat built during World War II. She saw service in the Atlantic Ocean and Mediterranean Sea, and sank one frighter of 5,000 tons in her three short and uneventful war patrols. Built in 1941 and 1942 at Lübeck, U-303 was a VIIC type submarine, capable of lengthy ocean patrols and of operating in distant environments.

[edit] War Patrols

She departed Kiel under her captain Kptlt Karl-Franz Heine on New Year's Day 1942 and moved to Lorient after a two an a half month cruise. The spring of 1943 was the turning point for the Second Battle of the Atlantic, and targets were getting harder and harder to come by for German units, and U-303 was no exception, managing to sink only one ship, the 5,000 ton American cargo ship SS Expositor. Her second patrol was uneventful and very brief, simply a fourteen day passage between Lorient and La Spezia in Italy, where she was to join a new flotilla operating in the Mediterranean.

From La Spezia she moved to Toulon in occupied France, from where she was to operate against British shipping aiding in operations following the evacuation of Tunisia. On her first attempt to do this, on the 21 May 1943 she exited Toulon harbour on the surface and ran straight into the British submarine HMS Sickle, which torpedoed the U-boat before escaping. U-303 began to settle and list, and Heine ordered an immediate evacuation into life rafts which eventually carried the surviving crew to the French coast ten miles away. Ten sailors were less lucky, having been killed in the torpedo impact, and went down with their boat.

[edit] Raiding career

Date Ship Nationality Tonnage Fate
23 February 1943 SS Expositor American 4,959 Sunk

[edit] References

See Also: List of U-boats