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German submarine U-484 was a Type VIIC U-boat of Nazi Germany's Kriegsmarine during World War II.
| History | |
|---|---|
 Nazi Germany | |
| Name | U-484 |
| Ordered | 5 June 1941 |
| Builder | Deutsche Werke, Kiel |
| Yard number | 319 |
| Laid down | 27 March 1943 |
| Launched | 20 November 1943 |
| Commissioned | 19 January 1944 |
| Fate | Sunk by British warships northwest of Ireland on 9 September 1944[1][2] |
| General characteristics | |
| Class and type | Type VIIC submarine |
| Displacement | |
| Length |
|
| Beam |
|
| Height | 9.60 m (31 ft 6 in) |
| Draught | 4.74 m (15 ft 7 in) |
| Installed power |
|
| Propulsion |
|
| Speed |
|
| Range | |
| Test depth |
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| Complement | 4 officers, 40–56 enlisted |
| Armament |
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| Service record[1] | |
| Part of: |
|
| Identification codes: | M 49 010 |
| Commanders: |
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| Operations: |
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| Victories: | None |
She carried out one patrol. She sank no ships.
She was sunk by British warships northwest of Ireland on 9 September 1944.[2]
German Type VIIC submarines were preceded by the shorter Type VIIB submarines. U-484 had a displacement of 769 tonnes (757 long tons) when at the surface and 871 tonnes (857 long tons) while submerged.[3] 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 Siemens-Schuckert GU 343/38–8 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).[3]
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).[3] 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-484 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), one 3.7 cm (1.5 in) Flak M42 and two twin 2 cm (0.79 in) C/30 anti-aircraft guns. The boat had a complement of between forty-four and sixty.[3]
The submarine was laid down on 27 March 1943 at the Deutsche Werke in Kiel as yard number 319, launched on 20 November and commissioned on 19 January 1944 under the command of Korvettenkapitän Wolf-Axel Schaefer.
She served with the 5th U-boat Flotilla from 19 January 1944 for training and the 3rd flotilla from 1 August for operations.
Patrol and loss
U-484's only patrol was preceded by a short trip from Kiel in Germany to Horten Naval Base (south of Oslo), in Norway. The patrol itself began with the boat's departure from Horten on 14 August 1944. She passed through the gap separating Iceland and the Faroe Islands and was shortly afterwards attacked and sunk by depth charges dropped by two British warships, the corvette HMS Portchester Castle and the frigate HMS Helmsdale on 9 September 1944.
Fifty-two men went down with U-484; there were no survivors.[1][2]
Sunk on 9 September 1944 by depth charges from two Canadian warships, the corvette HMCS Dunver and the frigate HMCS Hespeler. This attack was on a non-submarine target.
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