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Class overview
U-505, a type IXC U-boat
Operators	Kriegsmarine Imperial Japanese Navy (U-511 as Ro-500, U-1224 as Ro-501, U-181 as I-501, U-862 as I-502, and U-195 as I-506) Soviet Navy (post war; U-1231 as B-26) French Navy (post war; U-123 as Blaison and U-510 as Bouan) Royal Canadian Navy (surrendered and seized; U-889 and U-190)
Preceded by	Type I
Succeeded by	Type X (minelayer) Type XXI (oceanic "Elektroboot")
Subclasses	Type XIV (submarine tanker)
Built	1937-1945
In service	1938-1945
Planned	290
Building	195
Completed	194
Cancelled	95
Preserved	2 (U-505 in US and U-534 in UK)
General characteristics
Propulsion	2 × MAN M 9 V 40/46 supercharged 9-cylinder diesel engines, 4,400 PS (4,300 shp; 3,200 kW) 2 × SSW 1 GU 345/34 double-acting electric motors, 1,000 PS (990 shp; 740 kW) 6 × Daimler-Benz MB501 20 cylinder Diesel marine engines with total power of 9,000 horsepower (9,100 PS; 6,700 kW) (IX-D/42 Variant)
Speed	33.7 km/h (18.2 kn) (surfaced) 14.3 km/h (7.7 kn) (submerged)
Range	13,450 nmi (24,910 km; 15,480 mi) at 10 knots (19 km/h; 12 mph) surfaced 63 nmi (117 km; 72 mi) at 4 knots (7.4 km/h; 4.6 mph) submerged
Test depth	230 m (750 ft)
Complement	48 to 56 (55 to 63 in Type IXD)
Armament	6 × torpedo tubes (4 bow, 2 stern) 22 × 53.3 cm (21 in) torpedoes (24 in Type IXD) 1 × 10.5 cm SK C/32 naval gun various AA guns

The Type IX U-boat was designed by Nazi Germany's Kriegsmarine in 1935 and 1936 as a large ocean-going submarine for sustained operations far from the home support facilities. Type IX boats were briefly used for patrols off the eastern United States in an attempt to disrupt the stream of troops and supplies bound for Europe. It was derived from the Type IA, and appeared in various sub-types.

Type IXs had six torpedo tubes; four at the bow and two at the stern. They carried six reloads internally and had five external torpedo containers (three at the stern and two at the bow) which stored ten additional torpedoes. The total of 22 torpedoes allowed U-boat commanders to follow a convoy and strike night after night. Some of the IXC boats were fitted for mine operations; as mine-layers they could carry 44 TMA or 60 TMB mines.

Secondary armament was provided by one 10.5 cm (4.1 in) deck gun with 180 rounds. Anti-aircraft armament differed throughout the war. They had two periscopes in the tower. Types IXA and IXB had an additional periscope in the control room, which was removed in Type IXC and afterward. These long range boats were frequently equipped with Focke-Achgelis Fa 330 rotor kite towed rotary-wing aircraft.

Type IXA

Main article: Type IXA submarine

General characteristics (IXA)
Displacement	1,032 t (1,016 long tons) surfaced 1,152 t (1,134 long tons) submerged
Length	76.50 m (251 ft) o/a 58.75 m (192 ft 9 in) pressure hull
Beam	6.51 m (21 ft 4 in) o/a 4.40 m (14 ft 5 in) pressure hull
Height	9.40 m (30 ft 10 in)
Draft	4.70 m (15 ft 5 in)
Speed	18.2 kn (33.7 km/h; 20.9 mph) surfaced 7.7 knots (14.3 km/h; 8.9 mph) submerged
Range	10,500 nmi (19,400 km; 12,100 mi) at 10 knots (19 km/h; 12 mph) surfaced 65 nmi (120 km; 75 mi) at 4 knots (7.4 km/h; 4.6 mph) submerged

List of Type IXA submarines

DeSchiMAG AG Weser of Bremen built eight Type IXA U-boats.

U-37 - scuttled 8 May 1945
U-38 - scuttled 5 May 1945
U-39 - sunk 14 September 1939
U-40 - sunk on 13 October 1939 by a mine
U-41- sunk by depth charges on 5 February 1940
U-42 - sunk on 13 October 1939 by depth charges
U-43 - sunk on 30 July 1943
U-44 - sunk by mine on 13 March 1940

Type IXB

Main article: Type IXB submarine

General characteristics (IXB)
Displacement	1,051 t (1,034 long tons) surfaced 1,178 t (1,159 long tons) submerged
Length	76.50 m (251 ft) o/a 58.75 m (192 ft 9 in) pressure hull
Beam	6.76 m (22 ft 2 in) o/a 4.40 m (14 ft 5 in) pressure hull
Height	9.60 m (31 ft 6 in)
Draft	4.70 m (15 ft 5 in)
Speed	18.2 kn (33.7 km/h; 20.9 mph) surfaced 7.3 knots (13.5 km/h; 8.4 mph) submerged
Range	12,000 nmi (22,000 km; 14,000 mi) at 10 knots (19 km/h; 12 mph) surfaced 64 nmi (119 km; 74 mi) at 4 knots (7.4 km/h; 4.6 mph) submerged

Type IXB was an improved model with an increased range. It was the most successful version overall with each boat averaging a total of over 100,000 GRT sunk.

Notable IXB boats included U-123 commanded by Reinhard Hardegen, which opened up the attack in the US waters in early 1942 known as Operation Drumbeat, U-156, which was bombed by a US aircraft while flying a Red Cross-flag and rescuing survivors of a torpedoed ship (Laconia incident), and U-107 operating off Freetown, Sierra Leone under the command of Günter Hessler, which had the most successful single mission of the war ever with close to 100,000 GRT sunk.

List of Type IXB submarines

DeSchiMAG AG Weser of Bremen built 14 Type IXB U-boats. Thirteen were sunk in the course of the war.

Type IXC

General characteristics (IXC)

Displacement	1,120 t (1,100 long tons) surfaced 1,232 t (1,213 long tons) submerged
Length	76.76 m (251 ft 10 in) o/a 58.75 m (192 ft 9 in) pressure hull
Beam	6.76 m (22 ft 2 in) o/a 4.40 m (14 ft 5 in) pressure hull
Height	9.60 m (31 ft 6 in)
Draft	4.70 m (15 ft 5 in)
Speed	18.3 kn (33.9 km/h; 21.1 mph) surfaced 7.3 knots (13.5 km/h; 8.4 mph) submerged
Range	13,450 nmi (24,910 km; 15,480 mi) at 10 knots (19 km/h; 12 mph) surfaced 63 nmi (117 km; 72 mi) at 4 knots (7.4 km/h; 4.6 mph) submerged

The Type IXC was a further refinement of the class with storage for an additional 43 tonnes of fuel, increasing the boat's range. This series omitted the control room periscope leaving the boats with two tower scopes.

As mine-layers they could carry 44 TMA or 66 TMB mines, though the 35 boats of U-162 through U-170 and U-505 through U-550 were not fitted for mine operations.

The only U-boat sunk in the Gulf of Mexico, U-166, was a Type IXC.

U-505 survives at the Museum of Science and Industry in Chicago, and was completely renovated after being moved in 2004 to a purpose-built indoor berth.

List of Type IXC submarines

DeSchiMAG AG Weser and Seebeckwerft of Bremen, and Deutsche Werft of Hamburg built 54 Type IXC submarines. Only four survived the war, one of which is preserved in the US.

U-66 - Sunk 6 May 1944
U-67 - Sunk 16 July 1943
U-68 - Sunk 10 April 1944
U-125 - Sunk 6 May 1943
U-126 - Sunk by aircraft 3 June 1943
U-127 - Sunk 15 December 1941
U-128 - Sunk by aircraft and surface ships, 17 May 1943
U-129 - Taken out of service 4 July 1944
U-130 - Sunk 12 March 1943
U-131 - Scuttled 17 December 1941
U-153 - Sunk by ship in July 1942
U-154 - Sunk 3 July 1944
U-155 - Scuttled post war by British
U-156 - Sunk 8 March 1943
U-157 - Sunk 13 June 1942
U-158 - Sunk 30 June 1942
U-159 - Sunk 28 July 1943
U-160 - Sunk 14 July 1943
U-161 - Sunk 27 September 1943
U-162 - Sunk 3 September 1942
U-163 - Sunk 12/13 March 1943
U-164 - Sunk 6 January 1943
U-165 - Sunk 27 September 1942
U-166 - Sunk on 30 July 1942
U-171 - Sunk by mine 9 October 1942
U-172 - Sunk 13 December 1943
U-173 - Sunk 16 November 1942
U-174 - Sunk by aircraft 27 April 1943
U-175 - Sunk 17 April 1943
U-176 - Sunk by Cuban Navy, 15 May 1943
U-501 - Sunk by escorts, 10 September 1941
U-502 - Sunk by aircraft 6 July 1942
U-503 - Sunk 15 March 1942
U-504 - Sunk 30 July 1943
U-505 - Captured by US Navy, 4 June 1944. Preserved in museum
U-506 - Sunk by aircraft 12 July 1943
U-507 - Sunk by aircraft 13 January 1943
U-508 - Sunk by aircraft 12 November 1943
U-509 - Sunk by aircraft 15 July 1943
U-510 - Given to French Navy post war
U-511 - Transferred to Japan on 16 September 1943
U-512 - Sunk by aircraft 2 October 1942
U-513 - Sunk by aircraft 19 July 1943
U-514 - Sunk 8 July 1943
U-515 - Sunk, 9 April 1944
U-516 - Scuttled post war by British
U-517 - Sunk by aircraft 21 November 1942
U-518 - Sunk, 22 April 1944
U-519 - Posted missing 31 January 1943
U-520 - Sunk, 30 October 1942
U-521 - Sunk 2 June 1943
U-522 - Sunk 23 February 1943
U-523 - Sunk, 25 August 1943
U-524 - Sunk on 22 March 1943 by aircraft

Type IXC/40

General characteristics (IXC/40)
Displacement	1,144 t (1,126 long tons) surfaced 1,257 t (1,237 long tons) submerged
Length	76.76 m (251 ft 10 in) o/a 58.75 m (192 ft 9 in) pressure hull
Beam	6.86 m (22 ft 6 in) o/a 4.40 m (14 ft 5 in) pressure hull
Height	9.60 m (31 ft 6 in)
Draft	4.67 m (15 ft 4 in)
Speed	18.3 kn (33.9 km/h; 21.1 mph) surfaced 7.3 knots (13.5 km/h; 8.4 mph) submerged
Range	13,850 nmi (25,650 km; 15,940 mi) at 10 knots (19 km/h; 12 mph) surfaced 63 nmi (117 km; 72 mi) at 4 knots (7.4 km/h; 4.6 mph) submerged

Type IXC/40 was an improved Type IXC with slightly increased range and surfaced speed. The remains of U-534 are on display at Woodside Ferry Terminal, Birkenhead.

List of Type IXC/40 submarines

DeSchiMAG AG Weser and Seebeckwerft of Bremen, and Deutsche Werft of Hamburg, built 87 of this type.

U-167
U-168
U-169
U-170
U-183
U-184
U-185
U-186
U-187
U-188
U-189
U-190
U-191
U-192
U-193
U-194
U-525
U-526
U-527
U-528
U-529
U-530
U-531
U-532
U-533
U-534
U-535
U-536
U-537
U-538
U-539
U-540
U-541
U-542
U-543
U-544
U-545
U-546
U-547
U-548
U-549
U-550
U-801
U-802
U-803
U-804
U-805
U-806
U-841
U-842
U-843
U-844
U-845
U-846
U-853
U-854
U-855
U-856
U-857
U-858
U-865
U-866
U-867
U-868
U-869
U-870
U-877
U-878
U-879
U-880
U-881
U-889
U-1221
U-1222
U-1223
U-1224
U-1225
U-1226
U-1227
U-1228
U-1229
U-1230
U-1231
U-1232
U-1233
U-1234
U-1235

Type IXD

General characteristics (IXD)
Displacement	1,610 t (1,580 long tons) surfaced 1,799 t (1,771 long tons) submerged
Length	87.58 m (287 ft 4 in) o/a 68.50 m (224 ft 9 in) pressure hull
Beam	7.50 m (24 ft 7 in) o/a 4.40 m (14 ft 5 in) pressure hull
Height	10.20 m (33 ft 6 in)
Draft	5.35 m (17 ft 7 in)
Speed	20.8 kn (38.5 km/h; 23.9 mph) surfaced 6.9 knots (12.8 km/h; 7.9 mph) submerged
Range	23,700 nmi (43,900 km; 27,300 mi) at 10 knots (19 km/h; 12 mph) surfaced 115 nmi (213 km; 132 mi) at 4 knots (7.4 km/h; 4.6 mph) submerged

List of Type IXD submarines

DeSchiMAG AG Weser of Bremen built 30 Type IXD U-boats.

U-177
U-178
U-179
U-180
U-181
U-182
U-195
U-196
U-197
U-198
U-199
U-200
U-847
U-848
U-849
U-850
U-851
U-852
U-859
U-860
U-861
U-862
U-863
U-864
U-871
U-872
U-873
U-874
U-875
U-876

Several Type IXD/42 U-boats were contracted to be built by DeSchiMAG AG Weser of Bremen, but only two were commissioned. They were:

U-883 was launched on 28 April 1944 and commissioned 27 March 1945. Her career ended in Operation Deadlight.
U-884 was launched on 17 May 1944 but was badly damaged on 30 March 1945 by US bombs while still in the dockyard.
U-885, U-886, U-887 and U-888 were laid down but construction halted on 30 September 1943 when all IXD/42 contracts were cancelled.

Notes

Showell states that the Type IX submarine was designed as a further development of the U81.

Citations

^ Gröner, Jung & Maass 1991, p. 75.
Williamson (2005), p. 40.
^ Showell (2006), p. 83.
Rössler (2001), p. 104.
^ Gröner, Jung & Maass 1991, p. 68.
"U-505 (German Submarine)". National Historic Landmark summary listing. National Park Service. Archived from the original on 12 February 2012. Retrieved 11 June 2008.
"The U-Boat Story - The Story of World War 2 German Submarine U-534". u-boatstory.co.uk. Archived from the original on 28 August 2011. Retrieved 6 February 2010.
Gröner, Jung & Maass 1991, p. 114.

Bibliography

Gröner, Erich; Jung, Dieter & Maass, Martin (1991). German Warships 1815–1945. Vol. 2: U-boats and Mine Warfare Vessels. Translated by Thomas, Keith & Magowan, Rachel. London: Conway Maritime Press. ISBN 0-85177-593-4.
Sharpe, Peter (1998). U-Boat Fact File: Detailed Service Histories of the Submarines Operated by the Kriegsmarine 1935-1945. Leicester: Midland Publishing. ISBN 1-85780-072-9.
Showell, Jak P. Mallmann (2006). The U-boat Century: German Submarine Warfare 1906-2006. London: Chatham Publishing. ISBN 9781861762412.
Thew, Robert W. (1991). "The Type IX U-Boat". Warship International. XXVIII (1). International Naval Research Organization: 14–29. ISSN 0043-0374.
Rössler, Eberhard (2001). The U-boat: The evolution and technical history of German submarines. London: Cassell & Co. ISBN 0-304-36120-8.
Williamson, Gordon (2005). Wolf Pack: The Story of the U-boat in World War II. Oxford: Osprey Publishing. ISBN 1-84176-872-3.

v t e German Type IX submarines
Type IXA	U-37 U-38 U-39 U-40 U-41 U-42 U-43 U-44
Type IXB	U-64 U-65 U-103 U-104 U-105 U-106 U-107 U-108 U-109 U-110 U-111 U-122 U-123 U-124
Type IXC	U-66 U-67 U-68 U-125 U-126 U-127 U-128 U-129 U-130 U-131 U-153 U-154 U-155 U-156 U-157 U-158 U-159 U-160 U-161 U-162 U-163 U-164 U-165 U-166 U-171 U-172 U-173 U-174 U-175 U-176 U-501 U-502 U-503 U-504 U-505 U-506 U-507 U-508 U-509 U-510 U-511 U-512 U-513 U-514 U-515 U-516 U-517 U-518 U-519 U-520 U-521 U-522 U-523 U-524
Type IXC/40	U-167 U-168 U-169 U-170 U-183 U-184 U-185 U-186 U-187 U-188 U-189 U-190 U-191 U-192 U-193 U-194 U-525 U-526 U-527 U-528 U-529 U-530 U-531 U-532 U-533 U-534 U-535 U-536 U-537 U-538 U-539 U-540 U-541 U-542 U-543 U-544 U-545 U-546 U-547 U-548 U-549 U-550 U-801 U-802 U-803 U-804 U-805 U-806 U-841 U-842 U-843 U-844 U-845 U-846 U-853 U-854 U-855 U-856 U-857 U-858 U-865 U-866 U-867 U-868 U-869 U-870 U-877 U-878 U-879 U-880 U-881 U-889 U-1221 U-1222 U-1223 U-1224 U-1225 U-1226 U-1227 U-1228 U-1229 U-1230 U-1231 U-1232 U-1233 U-1234 U-1235
Type IXD	U-177 U-178 U-179 U-180 U-181 U-182 U-195 U-196 U-197 U-198 U-199 U-200 U-847 U-848 U-849 U-850 U-851 U-852 U-859 U-860 U-861 U-862 U-863 U-864 U-871 U-872 U-873 U-874 U-875 U-876 U-883 U-884
Preceded by: Type VII Followed by: Type X List of U-boats of Germany

Commanders

Major engagements

World War I	I II III IV Flanders Kurland Pola Constantinople
World War II	Regions 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 18. 19. 20. 21. 22. 23. 24. 25. 26. 27. 29. 30. 31. 32. 33.

Capital ships sunk

World War I	HMS Britannia HMS Cornwallis French battleship Danton HMS Formidable Gaulois Russian battleship Peresvet HMS Majestic Italian battleship Regina Margherita HMS Russell French battleship Suffren HMS Triumph
World War II	HMS Ark Royal HMS Barham HMS Courageous HMS Eagle HMS Royal Oak

Technology

Concepts

Bases

World War II	France Lorient Saint-Nazaire Germany Valentin Norway Dora I Dora II

v t e German naval ship classes of World War II
Aircraft carriers	Graf Zeppelin I Jade Seydlitz II
Capital ships	Scharnhorst Bismarck H O
Pre-dreadnought battleships	Deutschland
Heavy cruisers	Deutschland Admiral Hipper P
Light cruisers	Gazelle Emden Königsberg Leipzig M Spähkreuzer
Destroyers	Type 1934 Type 1934A Type 1936 Type 1936A/Narvik Type 1936A(Mob)/Narvik Type 1936B Type 1936C Type 1942
Torpedo boats	Type 23 Type 24 Type 35 Type 37 Type 39 Type 40 Type 41 Type 44 Ausland
U-boats (submarines)	Type I Type II Type VII Type IX Type X Type XIV Type XVII Type XXI Type XXIII Type XXVI Uncompleted projects
Other	E-boats R boats M-class minesweepers F-class escort ship Auxiliary cruisers Vorpostenboot Marinefährprahm Siebel ferry Sperrbrecher
S Single ship of class X Cancelled V Conversions

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