Английская Википедия:German submarine U-257

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Шаблон:Infobox ship imageШаблон:Infobox ship careerШаблон:Infobox ship characteristicsШаблон:Infobox service record

German submarine U-257 was a Type VIIC U-boat of Nazi Germany's Kriegsmarine during World War II. She was laid down at the Bremer Vulkan yard at Bremen-Vegesack on 22 February 1941 as yard number 22. She was launched on 19 November and commissioned on 14 January 1942 under the command of Kapitänleutnant Heinz Rahe.

U-257 was assigned to the 5th U-Boat Flotilla for training, then transferred to the 3rd U-boat Flotilla for operational service.

She was sunk by Allied warships in mid-Atlantic on 24 February 1944.

Design

German Type VIIC submarines were preceded by the shorter Type VIIB submarines. U-257 had a displacement of Шаблон:Convert when at the surface and Шаблон:Convert while submerged.Шаблон:Sfn She had a total length of Шаблон:Convert, a pressure hull length of Шаблон:Convert, a beam of Шаблон:Convert, a height of Шаблон:Convert, and a draught of Шаблон:Convert. The submarine was powered by two Germaniawerft F46 four-stroke, six-cylinder supercharged diesel engines producing a total of Шаблон:Convert for use while surfaced, two AEG GU 460/8–27 double-acting electric motors producing a total of Шаблон:Convert for use while submerged. She had two shafts and two Шаблон:Convert propellers. The boat was capable of operating at depths of up to Шаблон:Convert.Шаблон:Sfn

The submarine had a maximum surface speed of Шаблон:Convert and a maximum submerged speed of Шаблон:Convert.Шаблон:Sfn When submerged, the boat could operate for Шаблон:Convert at Шаблон:Convert; when surfaced, she could travel Шаблон:Convert at Шаблон:Convert. U-257 was fitted with five Шаблон:Convert torpedo tubes (four fitted at the bow and one at the stern), fourteen torpedoes, one [[8.8 cm SK C/35 naval gun|Шаблон:Convert SK C/35 naval gun]], 220 rounds, and two twin [[2 cm FlaK 30|Шаблон:Convert C/30]] anti-aircraft guns. The boat had a complement of between forty-four and sixty.Шаблон:Sfn

Service history

The boat carried out six patrols, but did not sink or damage any ships. She was a member of seven wolfpacks.

First patrol

U-257Шаблон:'s first patrol began on 21 September 1942 from Bergen in Norway. Her route took her across the North Sea, through the gap between the Faroe and Shetland Islands and into the Atlantic Ocean. She docked at La Pallice in occupied France, on 18 October.

Second, third and fourth patrols

These sorties passed without major incident.

Fifth patrol

The boat was attacked from the air twice in one day. U-257, in the company of Шаблон:GS and Шаблон:GS was transitting the Bay of Biscay, outbound on 14 June 1943, when a Sunderland flying boat of 228 Squadron RAF unsuccessfully depth charged the three boats. In the afternoon, it was much the same story, but this time a Whitley from No. 10 OTU was involved. One man from the U-boat's crew was wounded. A second Whitley from the same unit arrived, but could only exchange fire with the submarine as it had expended all its depth charges in a previous engagement, the boat escaped.

Sixth patrol and loss

The submarine had moved to St. Nazaire; she departed from this French Atlantic port on 2 January 1944. On 24 February, she was attacked and sunk in mid-Atlantic by the Canadian frigate Шаблон:HMCS, assisted by Шаблон:HMS. (A former crew member from Waskesiu has stated that Nene merely picked survivors up). Thirty men died in the sinking, there were nineteen survivors.

Wolfpacks

U-257 took part in seven wolfpacks, namely:

• Luchs (27 September – 6 October 1942)
• Falke (28 December 1942 – 19 January 1943)
• Landsknecht (19 – 28 January 1943)
• Seewolf (25 – 30 March 1943)
• Adler (7 – 13 April 1943)
• Meise (13 – 20 April 1943)
• Specht (21 – 25 April 1943)

Bibliography

• Шаблон:Cite book
• Шаблон:Cite book
• Шаблон:Cite book
• Шаблон:Cite book
• Шаблон:Cite book
• Шаблон:Cite book

External links

• Шаблон:Cite web
• Шаблон:Cite web