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German submarineU-307

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Coordinates:69°24′N33°44′E / 69.400°N 33.733°E /69.400; 33.733

From Wikipedia, the free encyclopedia

German World War II submarine

History

Nazi Germany
Name	U-307
Ordered	20 January 1941
Builder	Flender Werke,Lübeck
Yard number	307
Laid down	5 November 1941
Launched	30 September 1942
Commissioned	18 November 1942
Fate	Sunk by depth charges, 29 April 1945^[1]
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) 2 × twin2 cm (0.79 in) C/30 anti-aircraft guns
Service record
Part of:	8th U-boat Flotilla 18 November 1942 – 30 April 1943 11th U-boat Flotilla 1 May – 31 October 1943 13th U-boat Flotilla 1 November 1943 – 29 April 1945
Identification codes:	M 50 406
Commanders:	Oblt.z.S. Friedrich-Georg Herrle 18 November 1942 – 1 December 1944 Oblt.z.S. Erich Krüger 2 December 1944 – 29 April 1945
Operations:	13 patrols: 1st patrol: 9 – 12 July 1943 2nd patrol: 16 July – 21 August 1943 3rd patrol: 2 September – 9 October 1943 4th patrol: a. 27 October – 9 December 1943 b. 12 – 15 December 1943 5th patrol: 23 February – 27 March 1944 6th patrol: 16 April – 5 May 1944 7th patrol: a. 25 May – 12 July 1944 b. 2 – 3 August 1944 8th patrol: a. 4 – 23 August 1944 b. 24 – 25 August 1944 c. 29 – 31 August 1944 9th patrol: a. 9 September – 4 October 1944 b. 5 – 7 October 1944 c. 8 – 10 October 1944 d. 15 – 20 January 1945 10th patrol: 24 January – 16 February 1945 11th patrol: 20 – 28 February 1945 12th patrol: 12 March – 1 April 1945 13th patrol: 16 – 29 April 1945
Victories:	2 merchant ships sunk (7,226 GRT)

German submarineU-307 was aType VIIC U-boat ofNazi Germany'sKriegsmarine duringWorld War II. TheU-boat waslaid down on 5 November 1941, andcommissioned on 18 November 1942.

Design

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German Type VIIC submarines were preceded by the shorterType VIIB submarines.U-307 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, twoGarbe, Lahmeyer & Co. RP 137/cdouble-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-307 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 two twin2 cm (0.79 in) C/30 anti-aircraft guns. The boat had acomplement of between forty-four and sixty.^[2]

Service history

[edit]

Despite carrying out 13 war patrols between July 1943 and April 1945,U-307 sank only two vessels; the 7,176 GRT AmericanLiberty ship SS William S. Thayer on 30 April 1944, fifty miles south ofBear Island, and the 50 GRTNorwegian Army motor boatLennox inVan Mijenfjorden,Spitsbergen, on 18 August 1944.

In September 1944, together with the supply shipCarl J. Busch,U-307 transported the men ofOperation Haudegen, a German military meteorological mission, toSvalbard.

Wolfpacks

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U-307 took part in twelvewolfpacks, namely:

Wiking (5 September – 8 October 1943)
Monsun (3 October – 23 November 1943)
Eisenbart (28 October – 8 December 1943)
Boreas (28 February – 10 March 1944)
Thor (17 – 26 March 1944)
Donner (17 – 20 April 1944)
Donner & Keil (20 April – 3 May 1944)
Grimm (31 May - 6 June 1944)
Trutz (8 June – 10 July 1944)
Rasmus (6 – 13 February 1945)
Hagen (13 – 21 March 1945)
Faust (21 – 29 April 1945)

Fate

[edit]

U-307 was sunk on 29 April 1945 in theBarents Sea nearMurmansk, Russia, in position69°24′N33°44′E / 69.400°N 33.733°E /69.400; 33.733 by depth charges from the BritishLoch class frigate HMS Loch Insh. There were 37 dead and 14 survivors.

Summary of raiding history

[edit]

Date	Ship Name	Nationality	Tonnage (GRT)	Fate^[3]
30 April 1944	William S. Thayer	United States	7,176	Sunk
18 August 1944	Lennox	Norway	50	Sunk

References

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^Kemp 1999, p. 254.
^^a ^b ^c ^dGröner 1991, pp. 43–46.
^Helgason, Guðmundur."Ships hit by U-307".German U-boats of WWII - uboat.net. Retrieved26 December 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.
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.
Kemp, Paul (1999).U-Boats Destroyed - German Submarine Losses in the World Wars. London: Arms & Armour.ISBN 1-85409-515-3.

External links

[edit]

Helgason, Guðmundur."The Type VIIC boat U-307".German U-boats of WWII - uboat.net. Retrieved26 December 2014.
Hofmann, Markus."U 307".Deutsche U-Boote 1935-1945 - u-boot-archiv.de (in German). 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 April 1945
Shipwrecks	1 Apr: Awa Maru 2 Apr: CD-186,USS Dickerson,U-321 3 Apr: Brummer,USS S-16,U-1221,U-2542,U-3505,T111 4 Apr: USS Dickerson,U-237,U-749,U-3003 5 Apr: U-242,USS S-17 6 Apr: Amatsukaze,USS Bush,USS Colhoun,USS Leutze,USS Morris,USS Newcomb,USS Witter,SS Hobbs Victory,SS Logan Victory 7 Apr: Asashimo,Hamakaze,Isokaze,Isuzu,Kasumi,USS LST-447,Oldenburg,USS PGM-18,U-1195,Yahagi,Yamato 8 Apr: U-774,U-1001 9 Apr: Admiral Scheer,Ro-56,U-677,U-747,U-804,U-843,U-982,U-1065,U-2509,U-2514,U-3512,U-2516,Vale 10 Apr: U-878,Weser 12 Apr: USS Mannert L. Abele,Ro-64,U-486 13 Apr: Karlsruhe,U-1024 14 Apr: Belgian Airman,U-235,U-1206 15 Apr: U-103,U-285,U-1063,U-1235 16 Apr: HMCS Esquimalt,Lützow,USS Pringle,U-78,U-880,U-1274 17 Apr: Goya 19 Apr: Aquila,U-251,U-548,U-879 21 Apr: U-636 22 Apr: USS Swallow,U-518 23 Apr: USS Eagle Boat 56,U-183 24 Apr: USS Frederick C. Davis,U-108,U-546 25 Apr: Graf Zeppelin,Ro-109,TA 32,U-326 27 Apr: Canada Victory,TA 34 28 Apr: CH-17,U-56 29 Apr: I-44,U-56,U-286,U-307,U-1017,Ursus 30 Apr: HMS Goodall,TA 43,U-879,U-1107 Unknown date: I-56,Ro-46,Ro-49,USS Snook,U-246,U-325,U-396,U-398,U-548,U-857,U-1055
Other incidents	2 Apr: USS Dickerson 5 Apr: USS Thornton 6 Apr: USS Defense,USS Emmons,USS Mullany,USS Rodman 8 Apr: USS Bullhead 9 Apr: USS Sea Devil 11 Apr: I-401 12 Apr: USS Lindsey,U-1024,USS Zellars 14 Apr: USS Sigsbee 15 Apr: HMS Ekins,USS Laffey 16 Apr: USS Bryant,Goya,USS Harding 19 Apr: USS Bullhead,USS Pogy,USS Tolman 27 Apr: HMS Redmill 28 Apr: Argo,USS Huron 29 Apr: USS Baya 30 Apr: U-3525
194419451946 March 1945May 1945

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