| History | |
|---|---|
 Nazi Germany | |
| Name | U-842 |
| Ordered | 20 January 1941 |
| Builder | DeSchiMAGAG Weser,Bremen |
| Yard number | 1048 |
| Laid down | 6 April 1942 |
| Launched | 14 November 1942 |
| Commissioned | 1 March 1943 |
| Fate | Sunk on 6 November 1943[1] |
| General characteristics | |
| Class & type | Type IXC/40submarine |
| Displacement | |
| Length |
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| Beam |
|
| Height | 9.60 m (31 ft 6 in) |
| Draught | 4.67 m (15 ft 4 in) |
| Installed power |
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| Propulsion |
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| Speed |
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| Range |
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| Test depth | 230 m (750 ft) |
| Complement | 4 officers, 44 enlisted |
| Armament |
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| Service record | |
| Part of: |
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| Identification codes: | M 50 566 |
| Commanders: | |
| Operations: |
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| Victories: | None |
German submarineU-842 was aType IXC/40U-boat built forNazi Germany'sKriegsmarine duringWorld War II.
U-842 was ordered on 20 January 1941 fromDeSchiMAGAG Weser inBremen under theyard number 1048. Her keel waslaid down on 6 April 1942 and the U-boat waslaunched on 14 November the same year. She wascommissioned into service under the command ofKapitänleutnant Wolfgang Heller (Crew 30) in4th U-boat Flotilla on 1 March 1943.
German Type IXC/40 submarines were slightly larger than the originalType IXCs.U-842 had a displacement of 1,144 tonnes (1,126 long tons) when at the surface and 1,257 tonnes (1,237 long tons) while submerged.[2] The U-boat had a total length of 76.76 m (251 ft 10 in), apressure hull length of 58.75 m (192 ft 9 in), abeam of 6.86 m (22 ft 6 in), a height of 9.60 m (31 ft 6 in), and adraught of 4.67 m (15 ft 4 in). The submarine was powered by twoMAN M 9 V 40/46supercharged four-stroke, nine-cylinderdiesel engines producing a total of 4,400 metric horsepower (3,240 kW; 4,340 shp) for use while surfaced, twoSiemens-Schuckert 2 GU 345/34double-acting electric motors producing a total of 1,000 shaft horsepower (1,010 PS; 750 kW) for use while submerged. She had two shafts and two 1.92 m (6 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 18.3 knots (33.9 km/h; 21.1 mph) and a maximum submerged speed of 7.3 knots (13.5 km/h; 8.4 mph).[2] When submerged, the boat could operate for 63 nautical miles (117 km; 72 mi) at 4 knots (7.4 km/h; 4.6 mph); when surfaced, she could travel 13,850 nautical miles (25,650 km; 15,940 mi) at 10 knots (19 km/h; 12 mph).U-842 was fitted with six 53.3 cm (21 in)torpedo tubes (four fitted at the bow and two at the stern), 22torpedoes, one10.5 cm (4.13 in) SK C/32 naval gun, 180 rounds, and a3.7 cm (1.5 in) SK C/30 as well as a2 cm (0.79 in) C/30 anti-aircraft gun. The boat had acomplement of forty-eight.[2]
Transferred to the2nd U-boat Flotilla,U-842 leftKiel on 14 September 1943 forBergen where she arrived three days later. On 5 October 1943.U-842 set out for operations in the North Atlantic, where she joined operations againstconvoy ONS 20. The U-boat escaped an attack by one of the escorts,HMS Bazely on 17 October unscathed, joining groupSiegfried operating againstconvoy HX 262 on 23 October, and groupSiegfried 3 on 26 October. In the final days of October, she was part of groupJahn offNewfoundland. In early NovemberU-842 was among the U-boats of groupTirpitz attackingconvoy HX 264, when she was spotted and attacked by an aircraft in the early afternoon of 6 November 1943. Second Support Group, consisting ofHMS Wild Goose,HMS Magpie, andHMS Starling, attacked the U-boat two hours later, and after more than one hour,U-842 was sunk by depth charges fromWild Goose at43°42′N42°8′W / 43.700°N 42.133°W /43.700; -42.133, there were no survivors.[3]
Shipwrecks and maritime incidents in November 1943 | |
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| Shipwrecks |
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| Other incidents |
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