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German submarineU-93 (1940)

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Coordinates:36°10′N15°52′W / 36.167°N 15.867°W /36.167; -15.867

From Wikipedia, the free encyclopedia

German World War II submarine

For other ships with the same name, seeGerman submarine U-93.

History
U-93 departing on her maiden voyage
Nazi Germany
Name	U-93
Ordered	30 May 1938
Builder	Germaniawerft,Kiel
Yard number	598
Laid down	9 September 1939
Launched	8 June 1940
Commissioned	30 July 1940
Fate	Sunk 15 January 1942^[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	17.7knots (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 (four bow, one stern) 14 ×torpedoesor 26 TMAmines 1 ×8.8 cm (3.46 in) deck gun (220 rounds) 1 x2 cm (0.79 in) C/30 AA gun
Service record
Part of:	7th U-boat Flotilla 30 July 1940 – 15 January 1942
Identification codes:	M 05 631
Commanders:	Kptlt.Claus Korth 30 July 1940 – 30 September 1941 Oblt.z.S. Horst Elfe 6 October 1941– 15 January 1942
Operations:	7 patrols: 1st patrol: 9 – 25 October 1940 2nd patrol: 7 – 29 November 1940 3rd patrol: 11 January – 14 February 1941 4th patrol: 3 May – 10 June 1941 5th patrol: 12 July – 21 August 1941 6th patrol: 18 October – 21 November 1941 7th patrol: 23 December 1941 – 15 January 1942
Victories:	8 merchant ships sunk (43,392 GRT)

German submarineU-93 was aType VIIC U-boat ofNazi Germany'sKriegsmarine during World War II. She waslaid down on 9 September 1939 at the F. KruppGermaniawerft inKiel as yard number 598,launched on 8 June 1940 andcommissioned on 30 July 1940 underKapitänleutnantClaus Korth.

She sank eight ships of 43,392 gross register tons (GRT) in seven patrols but was herself sunk by a British destroyer on 15 January 1942.

Design

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German Type VIIC submarines were preceded by the shorterType VIIB submarines.U-93 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, twoAEG GU 460/8–27double-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-93 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 first patrol was preceded by a trip from Kiel toKristiansand in Norway.

First patrol

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She left the Norwegian port on 9 September 1940, heading forSt. Nazaire in France which she reached, via theNorth Sea and thegap between theFaroe andShetland Islands, on 25 October.

On the way, she sank theHurunui on the 15th, 120 nautical miles (220 km; 140 mi) west of theButt of Lewis, (the most northerly point of theIsle of Lewis in theOuter Hebrides). Two crew members died, but there were 73 survivors. She was also attacked three times in one day (17 October), twice by ships and once by an aircraft; no damage was caused. She sank theDokka south ofIceland on the 17th: The survivors were then questioned by the Germans (a fairly common practice). They said that the sunken ship was theCukna, but Korth saw through thisruse de guerre.U-93 was forced to dive by the presence and gunfire ofHMS Folkestone.

After that, the boat headed for mid-ocean before docking at her French Atlantic base.

Second, third and fourth patrols

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U-93's second voyage was uneventful, but during her third sortie she sank theDione II with gunfire, northwest of Northern Ireland. She was also attacked by anArmstrong Whitworth Whitley ofNo. 502 Squadron RAF. The damage was such that the boat required repairs lasting three months.

The submarine's fourth patrol, which commenced on 12 July 1941, was disrupted when three men were wounded in an accident involving a machine gun. Nevertheless, she sank theElusa on 21 May south southeast ofCape Farewell (Greenland).

Fifth and sixth patrols

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Her fifth patrol took her as far south as a point west ofWestern Sahara. She was unsuccessfully bombed on the return journey west ofCape St. Vincent in Portugal

The boat's sixth patrol was to an area east ofNewfoundland and Labrador on the Canadian side of the Atlantic.

Fate

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Her seventh and final sortie began with her departure from St. Nazaire on 23 December 1941. She was sunk bydepth charges dropped byHMS Hesperus between Portugal and theAzores on 15 January 1942.

Wolfpacks

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U-93 took part in fivewolfpacks, namely:

West (8 – 26 May 1941)
Süd (22 July – 5 August 1941)
Schlagetot (23 October – 1 November 1941)
Raubritter (1 – 8 November 1941)
Seydlitz (27 December 1941 – 15 January 1942)

Summary of raiding history

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Date	Name	Nationality	Tonnage^{[Note 1]}	Fate^[3]
15 October 1940	Hurunui	United Kingdom	9,331	Sunk
17 October 1940	Dokka	Norway	1,168	Sunk
17 October 1940	Uskbridge	United Kingdom	2,715	Sunk
29 January 1941	Aikatern	Greece	4,929	Sunk
29 January 1941	King Robert	United Kingdom	5,886	Sunk
29 January 1941	W.B. Walker	United Kingdom	10,468	Sunk
4 February 1941	Dione II	United Kingdom	2,660	Sunk
21 May 1941	Elusa	Netherlands	6,235	Sunk

References

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Notes

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^Tonnages are ingross register tons.

Citations

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^Kemp, Paul (1997).U-Boats Destroyed, German Submarine Losses in the World Wars. Arms and Armour. p. 78.ISBN 1-85409-515-3.
^^a ^b ^c ^dGröner 1991, pp. 43–46.
^Helgason, Guðmundur."Ships hit by U-93".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.
Edwards, Bernard (1996).Dönitz and the Wolf Packs – The U-boats at War. Cassell Military Classics. p. 35.ISBN 0-304-35203-9.
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.

External links

[edit]

Helgason, Guðmundur."The Type VIIC boat U-93".German U-boats of WWII – uboat.net. Retrieved26 December 2014.
Hofmann, Markus."U 93".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 January 1942
Shipwrecks	1 Jan:Malama 2 Jan:Mercedes,Ruth Alexander 3 Jan:USS Iona 8 Jan:Tornator 9 Jan:HMS Vimiera 11 Jan:USAT Liberty 12 Jan:Cyclops,HNLMS Prins van Oranje,U-374 14 Jan:Chepo 15 Jan:Empire Bay,U-93,U-577 17 Jan:HMS Gurkha,I-60,HMS Matabele 18 Jan:Bantam,Hai-Kan No. 6 19 Jan:Lady Hawkins 20 Jan:Eidsvold,I-124,Banshu Maru No. 52,USS S-36,Westralia 23 Jan:Navemar,USS Neches 24 Jan:Empire Wildebeeste,Nana Maru,USS S-26 25 Jan:Z8Bruno Heinemann 26 Jan:Refast,HMAS Sirocco 27 Jan:Harpa,I-73,HMS Thanet 30 Jan:USCGC Alexander Hamilton,USC&GSResearch 31 Jan:HMSBelmont,HMS Culver,Spreewald Unknown date:HMS Triumph
Other incidents	3 Jan:I-58,Krasny Kavkaz 6 JanSinkyo Maru 7 Jan:V 5104Orkan 10 Jan:U-374 16 Jan:Empire Chief 19 Jan:Malay 21 Jan:Enrico Cosenz 22 Jan:Boyky,Molotov,Shch-214 Unknown date:Empire Arun
194119421943 December 1941February 1942

36°10′N15°52′W / 36.167°N 15.867°W /36.167; -15.867

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