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(Top) 1 Design 2 Service history 2.1 First, second and third patrols 2.2 Fourth and fifth patrols 2.3 Sixth, seventh and eighth patrols 2.4 Surrender and fate 3 References 4 Bibliography 5 External links

German submarine U-312

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History

Nazi Germany
Name	U-312
Ordered	5 June 1941
Builder	Flender Werke, Lübeck
Yard number	312
Laid down	10 April 1942
Launched	27 February 1943
Commissioned	21 April 1943
Fate	Surrendered on 9 May 1945, sunk as part of Operation Deadlight on 29 November 1945
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	5 × 53.3 cm (21 in) torpedo tubes (four bow, one stern) 14 × torpedoes or 26 TMA mines 1 × 8.8 cm (3.46 in) deck gun (220 rounds) 2 × twin 2 cm (0.79 in) C/30 anti-aircraft guns
Service record^[1]^[2]
Part of:	8th U-boat Flotilla 21 April – 30 November 1943 6th U-boat Flotilla 1 – 31 December 1943 11th U-boat Flotilla 1 January – 31 August 1944 13th U-boat Flotilla 1 September 1944 – 8 May 1945
Identification codes:	M 13 550
Commanders:	Kptlt. Kurt-Heinz Nicolay 21 April 1943 – 1 December 1944 Oblt.z.S. Friedrich-Georg Herrle 2 December 1944 – 31 January 1945 Oblt.z.S. Jürgen von Gaza 1 February – 9 May 1945
Operations:	8 patrols: 1st patrol: a. 23 January – 4 February 1944 b. 7 – 29 February 1944 2nd patrol: 15 March – 12 April 1944 3rd patrol: 29 April – 13 May 1944 4th patrol: 7 September – 2 October 1944 5th patrol: a. 17 October – 8 November 1944 b. 5 – 8 December 1944 6th patrol: a. 14 December 1944 – 4 January 1945 b. 7 – 10 March 1945 7th patrol: 12 March – 9 April 1945 8th patrol: a. 16 April – 8 May 1945 b. 9 May 1945 c. 12 May 1945 d. 15 – 19 May 1945
Victories:	None

German submarine U-312 was a Type VIIC U-boatofNazi Germany's Kriegsmarine during World War II. The submarine was laid down on 10 April 1942 at the Flender Werke yard at Lübeck as yard number 312, launched on 27 February 1943 and commissioned on 21 April under the command of Oberleutnant zur See Kurt-Heinz Nicolay.

During her career, the U-boat sailed on eight combat patrols, but sank no ships. She surrendered on 9 May 1945 and was sunk as part of Operation Deadlight on 29 November 1945.^[1]

She was a member of eight wolfpacks.

Design

[edit]

German Type VIIC submarines were preceded by the shorter Type VIIB submarines. U-312 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 Garbe, Lahmeyer & Co. RP 137/c 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-312 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 two twin 2 cm (0.79 in) C/30 anti-aircraft guns. The boat had a complement of between forty-four and sixty.^[3]

Service history

[edit]

After training with the 8th U-boat Flotilla, U-312 was transferred to the 6th flotilla, for front-line service on 1 December 1943.^[1] She made the short voyage from Kiel in Germany to Bergen in Norway in the first half of January 1944.

First, second and third patrols

[edit]

She left Bergen on 23 January 1944 and travelled through the north Norwegian Sea and southwest of Bear Island, arriving in Hammerfest on 29 February.

Her second patrol was similar to the first, sailing through the Norwegian, Greenland and Barents Seas. She docked at Narvik on 12 April 1944.

The boat sortied for a third time from Narvik on 29 April 1944. She arrived back at that port on 13 May and moved to Trondheim.

Fourth and fifth patrols

[edit]

Her fourth foray was relatively uneventful, starting and finishing in Narvik.

The submarine's fifth patrol was only notable for clearing the North Cape and passing east of Murmansk.

Sixth, seventh and eighth patrols

[edit]

Patrol number six was slightly different in that it took her as far as the northern Scottish coast, arriving there on 24 December 1944.

The boat was now based at Kilbotn, from whence she sailed on her seventh and eighth patrols.

Surrender and fate

[edit]

Following the German capitulation, U-312 was moved, first from Kilbotn to Narvik, then to Skjomenfjord before arriving at Loch Eriboll in Scotland on 19 May 1945 in preparation for Operation Deadlight. She was finally transferred to Lisahally and sunk on 29 November by the guns of HMS Onslow.^[4]

References

[edit]

^ ^a ^b ^c Helgason, Guðmundur. "The Type VIIC boat U-312". German U-boats of WWII – uboat.net. Retrieved 17 August 2012.

^ Helgason, Guðmundur. "War Patrols by German U-boat U-312". German U-boats of WWII – uboat.net. Retrieved 17 August 2012.

^ ^a ^b ^c ^d Gröner 1991, pp. 43–46.

^ Hofmann, Markus. "U 312". Deutsche U-Boote 1935–1945 – u-boot-archiv.de (in German). Retrieved 26 December 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). 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, 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-312". German U-boats of WWII – uboat.net. Retrieved 26 December 2014.
Hofmann, Markus. "U 312". Deutsche U-Boote 1935–1945 – u-boot-archiv.de (in German). 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 November 1945

Shipwrecks

6 Nov: USS Oberrender
8 Nov: USS Hogan
10 Nov: HMCS Assiniboine
12 Nov: Hokkai Maru
17 Nov: Sesotris
20 Nov: Ingénieur Général Haarbleicher
22 Nov: USS Canandaigua, Kiyokawa Maru
27 Nov: U-2321, U-2322, U-2324, U-2328, U-2345, U-2361
28 Nov: U-2325, U-2329, U-2334, U-2335, U-2338, U-2350, U-2363
29 Nov: U-298, U-312, U-968
30 Nov: U-170, U-281, U-328, U-369, U-481, U-868

Other incidents

30 Nov: U.S.O., Outarde

1944 1945 1946
October 1945 December 1945

55°35′N 7°54′W / 55.583°N 7.900°W / 55.583; -7.900

Retrieved from "https://en.wikipedia.org/w/index.php?title=German_submarine_U-312&oldid=1228893465" Categories: ●German Type VIIC submarines ●U-boats commissioned in 1943 ●U-boats sunk in 1945 ●World War II submarines of Germany ●World War II shipwrecks in the Atlantic Ocean ●1943 ships ●Ships built in Lübeck ●Operation Deadlight ●Maritime incidents in November 1945 Hidden categories: ●CS1 German-language sources (de) ●Pages using gadget WikiMiniAtlas ●Articles with short description ●Short description matches Wikidata ●Use dmy dates from July 2022 ●Ship infoboxes without an image ●Coordinates on Wikidata ●This page was last edited on 13 June 2024, at 20:06 (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