![]() A cross-section of a Type VIIC U-boat. | |
History | |
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Name | U-428 |
Ordered | 5 June 1941 |
Builder | Danziger Werft,Danzig |
Yard number | 129 |
Laid down | 13 August 1942 |
Launched | 11 March 1943 |
Commissioned | 26 June 1943 |
Fate | Scuttled in northern Germany on 5 May 1945. Wreckbroken up in 1946[1] |
General characteristics | |
Class and type | Type VIICsubmarine |
Displacement | |
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) |
Installed power |
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Propulsion |
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Speed |
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Range | |
Test depth |
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Complement | 4 officers, 40–56 enlisted |
Armament |
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Service record[1] | |
Part of: |
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Identification codes: | M 55 375 |
Commanders: | |
Operations: | None |
Victories: | None |
German submarineU-428 was aType VIICU-boat ofNazi Germany'sKriegsmarine duringWorld War II.
She carried out no patrols. She did not sink or damage any ships.
She was scuttled in northern Germany on 5 May 1945. The wreck wasbroken up in 1946.[1]
German Type VIIC submarines were preceded by the shorterType VIIB submarines.U-428 had a displacement of 769 tonnes (757 long tons) when at the surface and 871 tonnes (857 long tons) while submerged.[2] She had a total length of 67.10 m (220 ft 2 in), apressure hull length of 50.50 m (165 ft 8 in), abeam of 6.20 m (20 ft 4 in), a height of 9.60 m (31 ft 6 in), and adraught of 4.74 m (15 ft 7 in). The submarine was powered by twoGermaniawerft F46 four-stroke, six-cylindersuperchargeddiesel 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, twoSiemens-Schuckert GU 343/38–8double-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).[2]
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).[2] 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-428 was fitted with five 53.3 cm (21 in)torpedo tubes (four fitted at the bow and one at the stern), fourteentorpedoes, one8.8 cm (3.46 in) SK C/35 naval gun, 220 rounds, and two twin2 cm (0.79 in) C/30anti-aircraft guns. The boat had acomplement of between forty-four and sixty.[2]
The submarine waslaid down on 13 August 1942 at theDanziger Werft (yard) atDanzig (now Gdansk), as yard number 129,launched on 11 March 1943 andcommissioned on 26 June under the command ofCapitano di Corvetta Athos Fraternale.
She served with the8th U-boat Flotilla from 26 June 1943 and the23rd flotilla from 1 October. She was reassigned to the31st flotilla on 1 March 1945.
The U-boat was namedS-1 after being acquired by the Italian Navy in exchange for some transport ships. She returned to Germany after the Italian surrender where she was renamedU-428.
The submarine was scuttled in theKiel canal nearAudorf on 5 May 1945. The wreck wasbroken up in 1946.