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(Top) 1 Design 2 Service history 2.1 Wolfpacks 2.2 Fate 3 Summary of raiding history 4 See also 5 References 5.1 Notes 5.2 Citations 6 Bibliography 7 External links

German submarine U-431

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History

Nazi Germany
Name	U-431
Ordered	23 September 1939
Builder	Schichau-Werke, Danzig
Yard number	1472
Laid down	4 January 1940
Launched	2 February 1941
Commissioned	5 April 1941
Fate	Sunk on 21 October 1943 near Algiers at position 37°23′N 00°35′E / 37.383°N 0.583°E / 37.383; 0.583 by depth charges from a RAF Wellington bomber of 179 Squadron. All hands were lost.
General characteristics
Class and type	Type VIIC submarine
Displacement	769 tonnes (757 long 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	4 × 53.3 cm (21 in) torpedo tubes in the bow 14 × torpedoes or 26 TMA mines 1 × 8.8 cm (3.46 in) deck gun (220 rounds) 1 x 2 cm (0.79 in) C/30 AA gun
Service record^[1]
Part of:	3rd U-boat Flotilla 5 April – 31 December 1941 29th U-boat Flotilla 1 January 1942 – 21 October 1943
Identification codes:	M 40 228
Commanders:	Kptlt. Wilhelm Dommes 5 April 1941 – 6 January 1943 Oblt.z.S. Dietrich Schöneboom 15 December 1942 – 21 October 1943
Operations:	16 patrols: 1st patrol: 10 July – 11 August 1941 2nd patrol: 13 September – 12 October 1941 3rd patrol: a. 16 November – 20 December 1941 b. 18 – 22 January 1942 4th patrol: 25 January – 10 February 1942 5th patrol: 18 March – 15 April 1942 6th patrol: 14 – 30 May 1942 7th patrol: 4 – 20 June 1942 8th patrol: 2 – 27 September 1942 9th patrol: 29 September – 4 November 1942 10th patrol: 7 – 22 November 1942 11th patrol: 7 January – 8 February 1943 12th patrol: 11 – 29 March 1943 13th patrol: 20 – 29 May 1943 14th patrol: 5 – 27 June 1943 15th patrol: 9 August – 1 September 1943 16th patrol: 26 September – 21 October 1943
Victories:	6 merchant ships sunk (7,679 GRT) 2 warships sunk (3,548 tons) 1 auxiliary warship sunk (313 GRT) 1 merchant ship damaged (3,560 GRT) 1 warship damaged (450 tons)

German submarine U-431 was a Type VIIC U-boat built for Nazi Germany's Kriegsmarine for service during World War II. She was laid down on 4 January 1940 by Schichau-WerkeinDanzig as yard number 1472, launched on 2 February 1941 and commissioned on 5 April 1941 under Kapitänleutnant Wilhelm Dommes (Knight's Cross).

Design

[edit]

German Type VIIC submarines were preceded by the shorter Type VIIB submarines. U-431 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), 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 AEG GU 460/8-276 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).^[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-431 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, and a 2 cm (0.79 in) C/30 anti-aircraft gun. The boat had a complement of between forty-four and sixty.^[2]

Service history

[edit]

The boat's service began on 5 April 1941 for training as part of the 3rd U-boat Flotilla. Afterwards she transferred to the 29th flotilla operating in the Mediterranean on 1 January 1942. In 16 patrols she sank or damaged 11 ships in total.^[1]

Wolfpacks

[edit]

She took part in one wolfpack, namely:

Brandenburg (15 September – 1 October 1941)

Fate

[edit]

She was sunk on 21 October 1943 in the Mediterranean off Algiers at position 37°23′N 00°35′E / 37.383°N 0.583°E / 37.383; 0.583 by depth charges dropped from a RAF Wellington bomber of 179 Squadron, operating out of Gibraltar. All hands were lost.^[1]

Summary of raiding history

[edit]

Date	Ship Name	Nationality	Tonnage^{[Note 1]}	Fate^[3]
2 October 1941	Hatasu	United Kingdom	3,198	Sunk
13 December 1941	Myriel	United Kingdom	3,560	Damaged
29 January 1942	HMS Sotra	Royal Navy	313	Sunk
20 May 1942	Eocene	United Kingdom	4,216	Sunk
15 June 1942	HMS LCT-119	Royal Navy	450	Damaged
10 November 1942	HMS Martin	Royal Navy	1,920	Sunk
13 November 1942	HNLMS Isaac Sweers	Royal Netherlands Navy	1,628	Sunk
23 January 1943	Alexandria	Egypt	100	Sunk
25 January 1943	Mouyassar	Syria	47	Sunk
25 January 1943	Omar el Kattab	Syria	38	Sunk
26 January 1943	Hassan	Syria	80	Sunk

References

[edit]

Notes

[edit]

^ Merchant ship tonnages are in gross register tons. Military vessels are listed by tons displacement.

Citations

[edit]

^ ^a ^b ^c Helgason, Guðmundur. "The Type VIIC boat U-431". German U-boats of WWII - uboat.net. Retrieved 7 May 2014.

^ ^a ^b ^c ^d Gröner 1991, pp. 43–46.

^ Helgason, Guðmundur. "Ships hit by U-431". German U-boats of WWII - uboat.net. Retrieved 7 May 2014.

Bibliography

[edit]

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). Deutsche U-Boot-Verluste von September 1939 bis Mai 1945 [German U-boat losses from September 1939 to May 1945]. Der U-Boot-Krieg (in German). Vol. IV. Hamburg, Berlin, Bonn: Mittler. ISBN 3-8132-0514-2.

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.

External links

[edit]

Helgason, Guðmundur. "The Type VIIC boat U-431". German U-boats of WWII - uboat.net. Retrieved 26 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

Shipwrecks and maritime incidents in October 1943

Shipwrecks

1 Oct: Empire Commerce
3 Oct: USS Henley, HMS Usurper
4 Oct: U-279, U-389, U-422, U-460
5 Oct: USS LST-448, Sposobny
6 Oct: Yūgumo
7 Oct: USS Chevalier, USS S-44
8 Oct: ORP Orkan, U-419, U-610, U-643, SS Dainichi Maru
9 Oct: USS Buck, HMS Panther
11 Oct: HMS Hythe, Mario Roselli, USS Wahoo, Jalabala
13 Oct: USS Bristol, U-402
16 Oct: USS Moonstone, U-470, U-533, U-844, U-964
17 Oct: Michel, U-540, U-631, U-841
19 Oct: Sinfra
20 Oct: U-378
21 Oct: HMCS Chedabucto, USS Murphy, SS Tivives, U-431
22 Oct: HMS Hurworth
23 Oct: HMS Charybdis, Taranto, U-274
24 Oct: HMS Eclipse, HMS Orlionoch, Mochizuki, U-566
26 Oct: James Longstreet
28 Oct: U-220, USS YP-88
29 Oct: U-282
31 Oct: U-306, U-584, U-732
Unknown date: USS Dorado, Sebastiano Caboto, HMS Trooper, U-420

Other incidents

5 Oct: Ro-40
6 Oct: I-183
9 Oct: HMS Carlisle, Cuxhaven
10 Oct: Mario Roselli, Minerve
22 Oct: Adrias
23 Oct: James Iredell

1942 1943 1944
September 1943 November 1943

Retrieved from "https://en.wikipedia.org/w/index.php?title=German_submarine_U-431&oldid=1212612842" Categories: ●Submarines lost with all hands ●German Type VIIC submarines ●1941 ships ●U-boats commissioned in 1941 ●U-boats sunk in 1943 ●U-boats sunk by British aircraft ●World War II submarines of Germany ●World War II shipwrecks in the Mediterranean Sea ●Ships built in Danzig ●Maritime incidents in October 1943 ●Ships built by Schichau Hidden categories: ●Pages using gadget WikiMiniAtlas ●Articles with short description ●Short description matches Wikidata ●Ship infoboxes without an image ●Coordinates on Wikidata ●CS1 German-language sources (de) ●Use dmy dates from December 2014 ●This page was last edited on 8 March 2024, at 19:27 (UTC). ●Text is available under the Creative Commons Attribution-ShareAlike License 4.0; additional terms may apply. By using this site, you agree to the Terms of Use and Privacy Policy. Wikipedia® is a registered trademark of the Wikimedia Foundation, Inc., a non-profit organization. ●Privacy policy ●About Wikipedia ●Disclaimers ●Contact Wikipedia ●Code of Conduct ●Developers ●Statistics ●Cookie statement ●Mobile view