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German submarineU-409

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Coordinates:37°12′N04°00′E / 37.200°N 4.000°E /37.200; 4.000

From Wikipedia, the free encyclopedia

German World War II submarine

History

Nazi Germany
Name	U-409
Ordered	30 October 1939
Builder	Danziger Werft,Danzig
Yard number	110
Laid down	26 October 1940
Launched	23 September 1941
Commissioned	21 January 1942
Fate	Sunk on 12 July 1943
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
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	17.7knots (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 (4 bow, 1 stern) 14 ×torpedoes 1 ×8.8 cm (3.46 in) deck gun (220 rounds) 1 x2 cm (0.79 in) C/30 AA gun
Service record^[1]
Part of:	5th U-boat Flotilla 21 January – 31 August 1942 9th U-boat Flotilla 1 September 1942 – 30 June 1943 29th U-boat Flotilla 1 – 12 July 1943
Identification codes:	M 24 443
Commanders:	Oblt.z.S. Hanns-Ferdinand Massmann 21 January 1942 – 12 July 1943
Operations:	6 patrols: 1st patrol: 18 August – 9 September 1942 2nd patrol: 13 October – 5 November 1942 3rd patrol: 7 December 1942 – 5 January 1943 4th patrol: 14 February – 12 April 1943 5th patrol: a. 18 – 21 May 1943 b. 26 May – 11 June 1943 6th patrol: 29 June – 12 July 1943
Victories:	4 merchant ships sunk (24,961 GRT) 1 warship sunk (10 tons) 1 merchant ship damaged (7,519 GRT)

German submarineU-409 was aType VIIC U-boat ofNazi Germany'sKriegsmarine inWorld War II.She waslaid down on 26 October 1940 byDanziger Werft,Danzig as yard number 110,launched on 23 September 1941 andcommissioned on 21 January 1942 underOberleutnant zur See Hanns-Ferdinand Massmann.

Design

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German Type VIIC submarines were preceded by the shorterType VIIB submarines.U-409 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-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, 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-409 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 a2 cm (0.79 in) C/30 anti-aircraft gun. The boat had acomplement of between forty-four and sixty.^[2]

Service history

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The boat's career began with training at5th U-boat Flotilla on 21 January 1942, followed by active service on 1 September 1942 as part of the9th Flotilla. The following year, she transferred to29th Flotilla for operations in the Mediterranean.

In six patrols she sank four merchant ships, for a total of 24,961 gross register tons (GRT), 1 merchant ship damaged 7,519 GRT, and one warship sunk whilst being transported.

Wolfpacks

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U-409 took part in sixwolfpacks, namely:

Vorwärts (25 August – 2 September 1942)
Streitaxt (20 October – 1 November 1942)
Raufbold (11 – 18 December 1942)
Sturmbock (21 – 26 February 1943)
Wildfang (26 February – 5 March 1943)
Westmark (6 – 11 March 1943)

Fate

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U-409 was sunk on 12 July 1943 in theMediterranean NE ofAlgiers, in position37°12′N04°00′E / 37.200°N 4.000°E /37.200; 4.000, by depth charges from the Royal Navy destroyerHMS Inconstant.

Summary of raiding history

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Date	Ship Name	Nationality	Tonnage^{[Note 1]}	Fate^[3]
30 October 1942	Bullmouth	United Kingdom	7,519	Damaged
30 October 1942	Silverwillow	United Kingdom	6,373	Sunk
9 March 1943	Malantic	United States	3,837	Sunk
9 March 1943	Rosewood	United Kingdom	5,989	Sunk
4 July 1943	City of Venice	United Kingdom	8,762	Sunk
4 July 1943	HMSLCE-14^{[Note 2]}	Royal Navy	10	Sunk

References

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Notes

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^Merchant ship tonnages are ingross register tons. Military vessels are listed by tonsdisplacement.
^Being carried aboardCity of Venice

Citations

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^Helgason, Guðmundur."The Type VIIC boat U-409".German U-boats of WWII - uboat.net. Retrieved2 November 2014.
^^a ^b ^c ^dGröner 1991, pp. 43–46.
^Helgason, Guðmundur."Ships hit by U-409".German U-boats of WWII - uboat.net. Retrieved2 November 2014.

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.
Edwards, Bernard (1996).Dönitz and the Wolf Packs - The U-boats at War. Cassell. pp. 117, 123, 171.ISBN 0-304-35203-9.
Gröner, Erich; Jung, Dieter; Maass, Martin (1991).U-boats and Mine Warfare Vessels. German Warships 1815–1945. 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-409".German U-boats of WWII - uboat.net. Retrieved26 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 July 1943
Shipwrecks	2 Jul:Hoihow 3 Jul:U-126,U-628,LST-429 4 Jul:City of Venice 5 Jul:USS Strong,U-535 6 Jul:USS Helena,Erg,Nagatsuki,Niizuki 7 Jul:U-951 8 Jul:U-232,U-514 9 Jul:Samuel Heintzelman,U-435,U-590 10 Jul:USS Maddox,USS Sentinel,Alice F. Palmer 11 Jul:Flutto 12 Jul:HMSCalifornia,Duchess of York,U-409,U-506,U-561 13 Jul:Acciaio,USS Gwin,Jintsū,Timothy Pickering,U-487,U-607 14 Jul:I-179,U-160 15 Jul:U-135,U-509,U-759 16 Jul:U-67 17 Jul:Hatsuyuki 19 Jul:U-513 20 Jul:Kiyonami,U-558,Yūgure 21 Jul:Empire Florizel,U-662 22 Jul:Nisshin 23 Jul:U-527,U-598,U-613 24 Jul:U-459,U-622 25 Jul:Vaterland,Weissesee,Max Gundelach 26 Jul:El Argentino,U-359 27 Jul:Hamburg,I-168 28 Jul:Ariake,Mikazuki,U-159,U-404 29 Jul:Pietro Micca,U-614 30 Jul:U-43,U-375,U-461,U-462,U-504,U-591 31 Jul:U-199 Unknown date:HMS Parthian,Ro-103,Ro-107,U-647,Sidney
Other incidents	9 Jul:USS Permit 11 Jul:HMSCalifornia,Duchess of York 16 Jul:HMS Cleopatra 23 Jul:HMS Newfoundland 25 Jul:Asturias 29 Jul:USS Tuna 30 Jul:USS Grouper 31 Jul:V 624Köln Unknown date:Ro-100
194219431944 June 1943August 1943