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German submarineU-821

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Coordinates:48°31′N05°11′W / 48.517°N 5.183°W /48.517; -5.183

From Wikipedia, the free encyclopedia

German World War II submarine

History

Nazi Germany
Name	U-821
Ordered	20 January 1941
Builder	Oderwerke,Stettin
Yard number	821
Laid down	2 October 1941
Launched	26 June 1943
Commissioned	11 October 1943
Fate	Sunk by aircraft on 10 June 1944
General characteristics
Class & type	Type VIIC submarine
Displacement	769tonnes (757long tons) surfaced 871 t (857 long tons) submerged
Length	67.10 m (220 ft 2 in)o/a 50.50 m (165 ft 8 in)pressure hull
Beam	6.20 m (20 ft 4 in) o/a 4.70 m (15 ft 5 in) pressure hull
Height	9.60 m (31 ft 6 in)
Draught	4.74 m (15 ft 7 in)
Installed power	2,800–3,200 PS (2,100–2,400 kW; 2,800–3,200 bhp) (diesels) 750 PS (550 kW; 740 shp) (electric)
Propulsion	2 shafts 2 ×diesel engines 2 ×electric motors
Speed	17.7 knots (32.8 km/h; 20.4 mph) surfaced 7.6 knots (14.1 km/h; 8.7 mph) submerged
Range	8,500 nmi (15,700 km; 9,800 mi) at 10 knots (19 km/h; 12 mph) surfaced 80 nmi (150 km; 92 mi) at 4 knots (7.4 km/h; 4.6 mph) submerged
Test depth	230 m (750 ft) Crush depth: 250–295 m (820–968 ft)
Complement	4 officers, 40–56 enlisted
Armament	5 × 53.3 cm (21 in)torpedo tubes (four bow, one stern) 14 ×torpedoesor 26 TMAmines 1 ×8.8 cm (3.46 in) deck gun (220 rounds) 1 ×3.7 cm (1.5 in) Flak M42 AA gun 2 × twin2 cm (0.79 in) C/30 anti-aircraft guns
Service record
Part of:	4th U-boat Flotilla 11 October – 1 November 1943 24th U-boat Flotilla 1 November – 31 December 1943 4th U-boat Flotilla 1 January – 29 February 1944 1st U-boat Flotilla 1 March – 10 June 1944
Identification codes:	M 52 715
Commanders:	Lt.z.S. Ludwig Fabricius 11 October – 1 December 1943 Oblt.z.S. Ernst Fischer 2 – 31 December 1943 Oblt.z.S. Ulrich Knackfuß 1 January – 10 June 1944
Operations:	2 patrols: 1st patrol: 19 March – 12 April 1944 2nd patrol: 6 – 10 June 1944
Victories:	None

German submarineU-821 was a short-livedType VIIC U-boat ofNazi Germany'sKriegsmarine, built byOderwerke inStettin duringWorld War II for service in theBattle of the Atlantic. She only participated in two brief combat patrols, one of which ended after four days when she was sunk by allied aircraft.U-821 was built inStettin at a small shipyard, and thus took eighteen months to complete, being ready by October 1943. The boat was of theVIIC Type, which possessed long range cruising capabilities as well as fivetorpedo tubes.

Design

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German Type VIIC submarines were preceded by the shorterType VIIB submarines.U-821 had a displacement of 769 tonnes (757 long tons) when at the surface and 871 tonnes (857 long tons) while submerged.^[1] 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-cylindersupercharged 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, twoBrown, Boveri & Cie GG UB 720/8double-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).^[1]

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).^[1] 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-821 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), one3.7 cm (1.5 in) Flak M42 and two twin2 cm (0.79 in) C/30 anti-aircraft guns. The boat had acomplement of between forty-four and sixty.^[1]

Service history

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War patrols

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Following her sea trials and warming-up period,U-821 departedBergen, Norway on 19 March 1944 for her first war patrol, during which she spent 24 fruitless days in the North Atlantic before returning toBrest, France for resupply. Her second patrol was more eventful, as just four days out from Brest and not far fromUshant,Royal Air Force aircraft spotted and attacked theU-boat on the surface. Her captain made the decision to battle it out rather than dive, and engaged in a running firefight with threeMosquito aircraft of248 Squadron and a largeConsolidated Liberator bomber of206 Squadron. One Mosquito was shot down in the clash, but rockets anddepth charges took their toll on the submarine which soon sank, taking with her 50 sailors, in position48°31′N05°11′W / 48.517°N 5.183°W /48.517; -5.183. One survivor was pulled from the sea by small German naval units a few hours later.

The sinking was filmed by gun camera footage on board the attacking aircraft.^[2]

References

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^^a ^b ^c ^dGröner 1991, pp. 43–46.
^U-821 sinking

Bibliography

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Busch, Rainer; Röll, Hans-Joachim (1999).German U-boat commanders of World War II : a biographical dictionary. Translated by Brooks, Geoffrey. London, Annapolis, Md: Greenhill Books, Naval Institute Press.ISBN 1-55750-186-6.
Busch, Rainer; Röll, Hans-Joachim (1999).Der U-Boot-Krieg, 1939-1945: Deutsche U-Boot-Verluste von September 1939 bis Mai 1945 [German U-boat losses from September 1939 to May 1945] (in German). Vol. IV. Hamburg, Berlin, Bonn: Mittler.ISBN 3-8132-0514-2.
Gröner, Eric; Jung, Dieter; Maass, Martin (1991).German Warships 1815-1945: U-boats and Mine Warfare Vessels. Vol. 2. Translated by Thomas, Keith; Magowan, Rachel. London: Conway Maritime Press.ISBN 0-85177-593-4.
Sharpe, Peter (1998).U-Boat Fact File. Great Britain: Midland Publishing.ISBN 1-85780-072-9.

External links

[edit]

Helgason, Guðmundur."The Type VIIC boat U-821".German U-boats of WWII - uboat.net. Retrieved29 December 2014.

v t e Type VII submarines
Type VIIA	U-27 U-28 U-29 U-30 U-31 U-32 U-33 U-34 U-35 U-36
Type VIIB	U-45 U-46 U-47 U-48 U-49 U-50 U-51 U-52 U-53 U-54 U-55 U-73 U-74 U-75 U-76 U-83 U-84 U-85 U-86 U-87 U-99 U-100 U-101 U-102
Type VIIC	U-69 U-70 U-71 U-72 U-77 U-78 U-79 U-80 U-81 U-82 U-88 U-89 U-90 U-91 U-92 U-93 U-94 U-95 U-96 U-97 U-98 U-132 U-133 U-134 U-135 U-136 U-201 U-202 U-203 U-204 U-205 U-206 U-207 U-208 U-209 U-210 U-211 U-212 U-221 U-222 U-223 U-224 U-225 U-226 U-227 U-228 U-229 U-230 U-231 U-232 U-235 U-236 U-237 U-238 U-239 U-240 U-241 U-242 U-243 U-244 U-245 U-246 U-247 U-248 U-249 U-250 U-251 U-252 U-253 U-254 U-255 U-256 U-257 U-258 U-259 U-260 U-261 U-262 U-263 U-264 U-265 U-266 U-267 U-268 U-269 U-270 U-271 U-272 U-273 U-274 U-275 U-276 U-277 U-278 U-279 U-280 U-281 U-282 U-283 U-284 U-285 U-286 U-287 U-288 U-289 U-290 U-291 U-301 U-302 U-303 U-304 U-305 U-306 U-307 U-308 U-309 U-310 U-311 U-312 U-313 U-314 U-315 U-316 U-331 U-332 U-333 U-334 U-335 U-336 U-337 U-338 U-339 U-340 U-341 U-342 U-343 U-344 U-345 U-346 U-347 U-348 U-349 U-350 U-351 U-352 U-353 U-354 U-355 U-356 U-357 U-358 U-359 U-360 U-361 U-362 U-363 U-364 U-365 U-366 U-367 U-368 U-369 U-370 U-371 U-372 U-373 U-374 U-375 U-376 U-377 U-378 U-379 U-380 U-381 U-382 U-383 U-384 U-385 U-386 U-387 U-388 U-389 U-390 U-391 U-392 U-393 U-394 U-396 U-397 U-398 U-399 U-400 U-401 U-402 U-403 U-404 U-405 U-406 U-407 U-408 U-409 U-410 U-411 U-412 U-413 U-414 U-415 U-416 U-417 U-418 U-419 U-420 U-421 U-422 U-423 U-424 U-425 U-426 U-427 U-428 U-429 U-430 U-431 U-432 U-433 U-434 U-435 U-436 U-437 U-438 U-439 U-440 U-441 U-442 U-443 U-444 U-445 U-446 U-447 U-448 U-449 U-450 U-451 U-452 U-453 U-454 U-455 U-456 U-457 U-458 U-465 U-466 U-467 U-468 U-469 U-470 U-471 U-472 U-473 U-475 U-476 U-477 U-478 U-479 U-480 U-481 U-482 U-483 U-484 U-485 U-486 U-551 U-552 U-553 U-554 U-555 U-556 U-557 U-558 U-559 U-560 U-561 U-562 U-563 U-564 U-565 U-566 U-567 U-568 U-569 U-570 U-571 U-572 U-573 U-574 U-575 U-576 U-577 U-578 U-579 U-580 U-581 U-582 U-583 U-584 U-585 U-586 U-587 U-588 U-589 U-590 U-591 U-592 U-593 U-594 U-595 U-596 U-597 U-598 U-599 U-600 U-601 U-602 U-603 U-604 U-605 U-606 U-607 U-608 U-609 U-610 U-611 U-612 U-613 U-614 U-615 U-616 U-617 U-618 U-619 U-620 U-621 U-622 U-623 U-624 U-625 U-626 U-627 U-628 U-629 U-630 U-631 U-632 U-633 U-634 U-635 U-636 U-637 U-638 U-639 U-640 U-641 U-642 U-643 U-644 U-645 U-646 U-647 U-648 U-649 U-650 U-651 U-652 U-653 U-654 U-655 U-656 U-657 U-658 U-659 U-660 U-661 U-662 U-663 U-664 U-665 U-666 U-667 U-668 U-669 U-670 U-671 U-672 U-673 U-674 U-675 U-676 U-677 U-678 U-679 U-680 U-681 U-682 U-683 U-701 U-702 U-703 U-704 U-705 U-706 U-707 U-708 U-709 U-710 U-711 U-712 U-713 U-714 U-715 U-716 U-717 U-718 U-719 U-720 U-721 U-722 U-731 U-732 U-733 U-734 U-735 U-736 U-737 U-738 U-739 U-740 U-741 U-742 U-743 U-744 U-745 U-746 U-747 U-748 U-749 U-750 U-751 U-752 U-753 U-754 U-755 U-756 U-757 U-758 U-759 U-760 U-761 U-762 U-763 U-764 U-765 U-766 U-767 U-768 U-771 U-772 U-773 U-774 U-775 U-776 U-777 U-778 U-779 U-821 U-822 U-825 U-826 U-901 U-903 U-904 U-905 U-907 U-921 U-922 U-923 U-924 U-925 U-926 U-927 U-928 U-951 U-952 U-953 U-954 U-955 U-956 U-957 U-958 U-959 U-960 U-961 U-962 U-963 U-964 U-965 U-966 U-967 U-968 U-969 U-970 U-971 U-972 U-973 U-974 U-975 U-976 U-977 U-978 U-979 U-980 U-981 U-982 U-983 U-984 U-985 U-986 U-987 U-988 U-989 U-990 U-991 U-992 U-993 U-994 U-1051 U-1052 U-1053 U-1054 U-1055 U-1056 U-1057 U-1058 U-1101 U-1102 U-1131 U-1132 U-1161 U-1162 U-1191 U-1192 U-1193 U-1194 U-1195 U-1196 U-1197 U-1198 U-1199 U-1200 U-1201 U-1202 U-1203 U-1204 U-1205 U-1206 U-1207 U-1208 U-1209 U-1210
Type VIIC/41	U-292 U-293 U-294 U-295 U-296 U-297 U-298 U-299 U-300 U-317 U-318 U-319 U-320 U-321 U-322 U-323 U-324 U-325 U-326 U-327 U-328 U-691 U-827 U-828 U-929 U-930 U-995 U-997 U-998 U-999 U-1000 U-1001 U-1002 U-1003 U-1004 U-1005 U-1006 U-1007 U-1008 U-1009 U-1010 U-1011 U-1013 U-1014 U-1015 U-1016 U-1017 U-1018 U-1019 U-1020 U-1021 U-1022 U-1023 U-1024 U-1025 U-1063 U-1064 U-1065 U-1103 U-1104 U-1105 U-1106 U-1107 U-1108 U-1109 U-1110 U-1163 U-1164 U-1165 U-1166 U-1167 U-1168 U-1169 U-1170 U-1171 U-1172 U-1271 U-1272 U-1273 U-1274 U-1275 U-1276 U-1277 U-1278 U-1279 U-1301 U-1302 U-1303 U-1304 U-1305 U-1306 U-1307 U-1308
Type VIID	U-213 U-214 U-215 U-216 U-217 U-218
Type VIIF	U-1059 U-1060 U-1061 U-1062
Preceded by:Type II Followed by:Type IX List of U-boats of Germany

v t e Shipwrecks and maritime incidents in June 1944
Shipwrecks	1 Jun:USS Herring 3 Jun:U-477,WBS 2Coburg 5 Jun:V 622Almuth,USS Osprey 6 Jun:USS Corry,USS LCI(L)-93,Minazuki,USS PC-1261,HNoMS Svenner,V 421Rauzan,HMS Wrestler 7 Jun:HMS Centurion,Empire Defiance,Hayanami,USS Susan B. Anthony,USS Tide,U-629,U-955 8 Jun:Audacious,Harusame,James Iredell,Kazagumo,HMS Lawford,USS Rich,U-373,U-441,U-970,West Grama 9 Jun:Courbet,Dover Hill,HMS Durban,Empire Bunting,Empire Flamingo,Matsukaze,USS Meredith,HNLMS Sumatra,Tanikaze,Z32,ZH1 10 Jun:USS Glennon,Innsbruck,Mistral,Ro-111,U-821 11 Jun:USS Partridge,Ro-42,U-980 12 Jun: Kainan Maru,HMS Sickle,U-490,V 206Otto Bröhan,V 212Friedrich Busse 13 Jun:HMS Boadicea,I-33,Ro-36,U-715 14 Jun:USS Golet 15 Jun:HMS Blackwood,M 507,PA 1,PA 2,Shiratsuyu,U-860,U-987,V 202Franz Westermann 16 Jun:I-6,Ro-44,U-998 17 Jun:Ro-114,Ro-117 18 Jun:Albert C. Field,U-767 19 Jun:I-184,Shōkaku,Taihō 20 Jun:Hiyō,HMAS Matafele 21 Jun:Bolzano,HMS Fury 22 Jun:Eurydice,I-185,Sirène 24 Jun:Derrycunihy,I-52,U-971,U-1225 25 Jun:U-269 26 Jun:Aquileia,U-317,U-719,Harugiku Maru 27 Jun:Kizugawa Maru 28 Jun:V 213Claus Bolten,Kondor,Nerissa 29 Jun:Toyama Maru,Tsugaru,U-988,USS Valor 30 Jun:SS Nikkin Maru,U-478,V 422Kergroise Unknown date: Bosna,USS LCT-209,U-740
Other incidents	7 Jun:USS Meredith 11 Jun:HMS Halsted 16 Jun:U-998 18 Jun:USS Hawkbill 23 Jun:HMS Scylla 25 Jun:HMS Glasgow,HMS Goodson 26 Jun:Gorizia Unknown date:HMS Sickle,Sonderburg
194319441945 May 1944July 1944

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