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German submarineU-475

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German World War II submarine

History

Nazi Germany
Name	U-475
Ordered	10 April 1941
Builder	Deutsche Werke,Kiel
Yard number	306
Laid down	5 September 1942
Launched	28 May 1943
Commissioned	7 July 1943
Fate	Scuttled on 3 May 1945. Broken up in 1947
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 ×3.7 cm (1.5 in) Flak M42 AA gun 2 × twin2 cm (0.79 in) C/30 anti-aircraft guns
Service record^[1]
Part of:	5th U-boat Flotilla 7 July 1943 – 31 July 1944 8th U-boat Flotilla 1 August 1944 – 15 February 1945 4th U-boat Flotilla 16 February – 3 May 1945
Identification codes:	M 53 401
Commanders:	Kptlt. Otto Stoeffler 7 July 1943 – 3 May 1945
Operations:	4 patrols: 1st patrol: a. 11 – 29 July 1944 b. 31 July – 5 August 1944 c. 16 – 21 August 1944 d. 25 – 31 August 1944 e. 3 – 6 September 1944 2nd patrol: 14 October – 17 November 1944 3rd patrol: 22 November – 4 December 1944 4th patrol: a. 23 January – 17 March 1945 b. 19 – 21 March 1945
Victories:	1 warship damaged (56 tons)

German submarineU-475 was aType VIIC U-boat ofNazi Germany'sKriegsmarine duringWorld War II.

She carried out four patrols. She damaged one warship.

She was scuttled on 3 May 1945 andbroken up in 1947.

Design

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German Type VIIC submarines were preceded by the shorterType VIIB submarines.U-475 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-475 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), one3.7 cm (1.5 in) Flak M42 and two twin2 cm (0.79 in) C/30 anti-aircraft guns. The boat had acomplement of between forty-four and sixty.^[2]

Armament

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FLAK weaponry

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U-475 was mounted with two2cm Flak C38 in a M 43UZwilling mount with short folding shield on the upperWintergarten.^[3] The M 43U mount was used on a number of U-boats (U-190,U-249,U-250,U-278,U-337,U-853,U-1058,U-1109,U-1023,U-1105,U-1165 andU-1306).

2 cm Flak C38 in a M 43U Zwilling mount with short folding shield.

Service history

[edit]

The submarine waslaid down on 5 September 1942 in theDeutsche Werke,Kiel as yard number 306,launched on 28 May 1943 andcommissioned on 7 July under the command ofKapitänleutnant Otto Stoeffler.

She served with the5th U-boat Flotilla from 7 July 1943 for training and was transferred to the8th flotilla from 1 August 1944 for operations. She was reassigned to the4th flotilla on 16 February 1945.

First patrol

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U-475's first patrol was preceded by a short journey fromKiel in Germany toHelsinki in Finland. The patrol itself, split into four parts, commenced with her departure from Helsinki on 11 July 1944. On the 28th she damaged the Soviet patrol craftMO-107 inViborg Bay.

Second patrol

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Her second foray was relatively uneventful – starting inDanzig (now Gdansk) on 14 October 1944. She returned toDanzig on 17 November.

Third patrol

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The submarine steamed as far north as a point east ofStockholm before returning to Danzig (on 4 December 1944).

Fourth patrol

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The boat's fourth sortie also started and finished in Danzig and at 54 days duration, was her longest.

Fate

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U-475 had moved from Danzig to Kiel in March 1945. She was scuttled on 3 May 1945 at Kiel-Wik. The wreck wasbroken up in 1947.

Summary of raiding history

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Date	Ship Name	Nationality	Tonnage^{[Note 1]}	Fate^[4]
28 July 1944	MO-107	Soviet Navy	56	Damaged

References

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Notes

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^Merchant ship tonnages are ingross register tons. Military vessels are listed by tonsdisplacement.

Citations

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^Helgason, Guðmundur."The Type VIIC boat U-475".German U-boats of WWII – uboat.net. Retrieved25 September 2012.
^^a ^b ^c ^dGröner 1991, pp. 43–46.
^Base on war-time photographs.
^Helgason, Guðmundur."Ships hit by U-475".German U-boats of WWII – uboat.net. Retrieved28 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).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-475".German U-boats of WWII – uboat.net. Retrieved28 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 May 1945
Shipwrecks	1 May:Argo,TA 43,U-3006,U-3009 2 May:Admiral Hipper,USS Thornton,U-8,U-14,U-60,U-61,U-62,U-71,U-72,U-120,U-121,U-137,U-139,U-140,U-141,U-142,U-146,U-148,U-151,U-152,U-316,U-552,U-554,U-612,U-717,U-929,U-1007,U-1308,U-2327,U-2359,U-2510,U-2526,U-2527,U-2528,U-2531,U-3002,U-3016,U-3018,U-3019,U-3020,U-3021,U-3504,U-3516,U-3517,U-3521,U-3522 3 May:Arcona,Cap Arcona,Deutschland,Emden,USS Lagarto,USS Little,USS LSM(R)-195,Medusa,Nordland,Schlesien,TA22,Thielbek,UA,UB,UD-1,UD-2,UD-3,UD-4,U-48,U-52,U-57,U-58,U-59,U-101,U-328,U-339,U-428,U-446,U-475,U-560,U-704,U-708,U-747,U-748,U-795,U-822,U-828,U-876,U-903,U-922,U-924,U-958,U-1166,U-1170,U-1192,U-1196,U-1201,U-1205,U-1210,U-1227,U-1275,U-2330,U-2332,U-2355,U-2371,U-2501,U-2503,U-2504,U-2508,U-2512,U-2519,U-2520,U-2521,U-2524,U-2533,U-2534,U-2535,U-2536,U-2539,U-2543,U-2545,U-2546,U-2548,U-2552,U-3001,U-3005,U-3010,U-3011,U-3012,U-3013,U-3014,U-3023,U-3024,U-3025,U-3026,U-3027,U-3028,U-3029,U-3031,U-3032,U-3037,U-3038,U-3039,U-3040,U-3507,U-3509,U-3511,U-3513,U-3518,U-3525,U-3530,U-4705,U-4712,Z43 4 May:USS LSM(R)-190,USS LSM(R)-194,USS Luce,USS Morrison,Orion,USS PGM-17,U-30,U-46,U-267,U-393,U-711,U-721,U-792,U-793,U-904,U-1132,U-1161,U-1168,U-1303,U-1304,U-2338,U-2540,U-3033,U-3034,U-4709,U-4711 5 May:T36,U-17,U-38,U-236,U-290,U-349,U-351,U-370,U-397,U-534,U-579,U-733,U-746,U-750,U-794,U-827,U-999,U-1008,U-1016,U-1025,U-1056,U-1162,U-1193,U-1204,U-1207,U-1223,U-1234,U-1306,U-1405,U-2333,U-2339,U-2343,U-2346,U-2347,U-2349,U-2352,U-2357,U-2358,U-2360,U-2362,U-2364,U-2366,U-2367,U-2368,U-2369,U-2507,U-2517,U-2522,U-2525,U-2541,U-2544,U-2551,U-3015,U-3022,U-3044,U-3501,U-3510,U-3524,U-3526,U-3527,U-3528,U-3529,U-4701,U-4702,U-4703,U-4704,U-4707,U-4710 6 May:U-853,U-881,U-3523 7 May:Avondale Park,Sneland I,U-1407 8 May:U-37,U-320,U-382,U-2365,U-2538,U-3030,U-3503 16 May:Haguro,Hatsutaka,U-287 18 May:USS Longshaw 20 May:U-963 24 May:HMMotor Gun Boat 2007,U-979 25 May:USS Bates,USS LSM-135 28 May:USS Drexler 29 May:Tenryo Maru 31 May:I-361,Uzbekistan
Other incidents	3 May:USS Aaron Ward 4 May:HMS Formidable,USS Sangamon 9 May:USS England,USS Oberrender 11 May:USS Bunker Hill,USS Evans,USS Hugh W. Hadley 19 May:Kashima,HMS Terrapin 20 May:USS Chase,USS Thatcher 25 May:USS Barry,USS Spectacle,William B. Allison 26 May:USS PC-1603 29 May:USS Shubrick 31 May:Hebrides Unknown date:Nymphe,U-1197
194419451946 April 1945June 1945

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