German submarine U-303
| History | |
|---|---|
 Nazi Germany |
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| Name: | U-303 |
| Ordered: | 7 December 1940 |
| Builder: | Flender Werke, Lübeck |
| Yard number: | 303 |
| Laid down: | 14 June 1941 |
| Launched: | 16 May 1942 |
| Commissioned: | 7 July 1942 |
| Fate: | Sunk by torpedo, 21 May 1943[1] |
| General characteristics | |
| Class & type: | Type VIIC submarine |
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| Length: |
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| Beam: |
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| Height: | 9.60 m (31 ft 6 in) |
| Draught: | 4.74 m (15 ft 7 in) |
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| Propulsion: |
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| Speed: |
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| Complement: | 4 officers, 40–56 enlisted |
| Armament: |
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| Service record[2][3] | |
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| Commanders: |
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| Operations: |
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| Victories: | one commercial vessel (4,959 GRT) |
German submarine U-303 was a Type VIIC U-boat of Nazi Germany's Kriegsmarine during World War II. She saw service in the Atlantic Ocean and Mediterranean Sea, and sank one freighter of 5,000 tons in her three short and uneventful war patrols. Built in 1941 and 1942 at Lübeck, U-303 was a Type VIIC U-boat, capable of lengthy ocean patrols and of operating in distant environments.
Contents
Design
German Type VIIC submarines were preceded by the shorter Type VIIB submarines. U-303 had a displacement of 769 tonnes (757 long tons) when at the surface and 871 tonnes (857 long tons) while submerged.[4] She had a total length of 67.10 m (220 ft 2 in), a pressure hull length of 50.50 m (165 ft 8 in), a beam of 6.20 m (20 ft 4 in), a height of 9.60 m (31 ft 6 in), and a draught of 4.74 m (15 ft 7 in). The submarine was powered by two Germaniawerft F46 four-stroke, six-cylinder supercharged diesel engines producing a total of 2,800 to 3,200 metric horsepower (2,060 to 2,350 kW; 2,760 to 3,160 shp) for use while surfaced, two Garbe, Lahmeyer & Co. RP 137/c double-acting electric motors producing a total of 750 metric horsepower (550 kW; 740 shp) for use while submerged. She had two shafts and two 1.23 m (4 ft) propellers. The boat was capable of operating at depths of up to 230 metres (750 ft).[4]
The submarine had a maximum surface speed of 17.7 knots (32.8 km/h; 20.4 mph) and a maximum submerged speed of 7.6 knots (14.1 km/h; 8.7 mph).[4] When submerged, the boat could operate for 80 nautical miles (150 km; 92 mi) at 4 knots (7.4 km/h; 4.6 mph); when surfaced, she could travel 8,500 nautical miles (15,700 km; 9,800 mi) at 10 knots (19 km/h; 12 mph). U-303 was fitted with five 53.3 cm (21 in) torpedo tubes (four fitted at the bow and one at the stern), fourteen torpedoes, one 8.8 cm (3.46 in) SK C/35 naval gun, 220 rounds, and an anti-aircraft gun. The boat had a complement of between forty-four and sixty.[4]
Service history
1st patrol
U-303 departed Kiel under the command of Kapitänleutnant Karl-Franz Heine on New Year's Day 1942, arriving at Lorient in France after a two and a half month passage.[5] The spring of 1943 was the turning point for the Battle of the Atlantic, targets were getting harder to come by for German units. U-303 was no exception, managing to sink only one ship, the 4,959 ton American vessel SS Expositor, on 23 February[6] (which had been already crippled by U-606 and abandoned)[7]
2nd patrol
Her second patrol was uneventful and very brief, simply a fourteen day journey between Lorient and La Spezia in Italy, although it did involve passing through the heavily defended Strait of Gibraltar. She was to join a new flotilla operating in the Mediterranean Sea.[8]
3rd patrol
From La Spezia U-303 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 21 May 1943, she exited Toulon harbour on the surface and ran straight into the British submarine Sickle (P224), 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 U-boat in position Lua error in package.lua at line 80: module 'strict' not found..[2]
Summary of raiding history
| Date | Ship | Nationality | Tonnage | Fate |
|---|---|---|---|---|
| 23 February 1943 | Expositor |  United States |
4,959 | Sunk |
References
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External links
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- ↑ Kemp 1999, pp. 119-20.
- ↑ 2.0 2.1 Lua error in package.lua at line 80: module 'strict' not found.
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- ↑ 4.0 4.1 4.2 4.3 Gröner 1991, pp. 43-46.
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- ↑ Rafał Mariusz Kaczmarek. Burza, U 606 i konwój ON 166. "Morze, Statki i Okręty" Nr. 3/2013. p.60 (Polish)
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- Pages with reference errors
- Use dmy dates from December 2014
- German Type VIIC submarines
- World War II shipwrecks in the Mediterranean
- U-boats sunk by British submarines
- U-boats commissioned in 1942
- 1942 ships
- U-boats sunk in 1943
- World War II submarines of Germany
- Ships built in Lübeck
- Maritime incidents in May 1943
- Articles with Polish-language external links
