German submarine U-35 (S185)

U-35 (S185) is a Type 212A submarine of the German Navy. She is the fifth ship of the class to enter service.

For other ships with the same name, see German submarine U-35.

History
Germany
Name:	U-35
Builder:	Howaldtswerke, Kiel
Laid down:	21 August 2007
Launched:	15 November 2011
Commissioned:	23 March 2015
Status:	In active service
General characteristics
Class and type:	Type 212
Type:	submarine
Displacement:	1,450 tonnes (1,430 long tons) surfaced 1,830 tonnes (1,800 long tons) submerged
Length:	56 m (183.7 ft) 57.2 m (187.66 ft) (2nd batch)
Beam:	7 m (22.96 ft)
Draft:	6 m (19.68 ft)
Installed power:	1 x MTU-396 16V (2,150 kW); 1 x Siemens Permasyn electric motor Type FR6439-3900KW (2,850 kW)
Propulsion:	1 MTU 16V 396 diesel-engine[1] 9 HDW/Siemens PEM fuel cells, 30–40 kW each (U31) 2 HDW/Siemens PEM fuel cells each with 120 kW (U32, U33, U34)[2] 1 Siemens Permasyn electric motor 1700 kW, driving a single seven-bladed skewback propeller
Speed:	20 knots (37 km/h) submerged, 12 knots surfaced[3]
Range:	8,000 nmi (14,800 km, or 9,196 miles) at 8 knots (15 km/h) surfaced 3 weeks without snorkeling, 12 weeks overall
Endurance:	Surface 14,800 km at 15 km/h, Subsurface 780 km at 15 km/h, 3,000 nmi at 4 kn,
Test depth:	over 700 m (2,296 ft)[4]
Complement:	5 officers, 22 men
Sensors and processing systems:	CSU 90 (DBQS-40FTC), Sonar: ISUS90-20, Radar: Kelvin Hughes Type 1007 I-band nav.,
Electronic warfare & decoys:	EADS FL 1800U suite
Armament:	6 x 533 mm torpedo tubes (in 2 forward pointing groups of 3) with 13[5] DM2A4, A184 Mod.3, Black Shark Torpedo, IDAS missiles and 24 external naval mines (optional)

She was laid down in August 2007 by Howaldtswerke, Kiel, launched in November 2011 and commissioned on 23 March 2015.[6] She is under the patronage of the city of Zweibrücken, in Rhineland-Palatinate. Her sponsor is Sigrid Hubert-Reichling, wife of the Lord Mayor of Zweibrücken, Helmut Reichling.[6]

Service

U-35 is currently part of the 1st Ubootgeschwader, based in Eckernförde. In January 2015 Der Spiegel reported that significant problems had been found with U-35 and her sister submarine U-36. The drive shaft system, battery, radar and the radio buoy were all found to be malfunctioning.[7][8]

In October 2017 U-35 entered dock at the ThyssenKrupp Marine Systems yard at, Kiel for inspection after damaging her rudder during deep water testing in the Kattegat off Kristiansand. She had been operating in Norwegian waters prior to 15 October carrying out operational tests.[9]

References

1. "MTU 16V 396 diesel engine". Archived from the original on 2006-12-06. Retrieved 2006-10-08.
2. Holger Naaf: Die Brennstoffzelle auf U 212 A (PDF, German). Bundesanstalt für Wasserbau, Wehrtechnische Dienststelle für Schiffe und Marinewaffen Eckernförde, 23. September 2008.
3. "Uboote Klasse 212A". Retrieved 2013-08-19.
4. "Deutsche Marine TV-Interview" (in German). Retrieved 2007-04-17.
5. "Dette er ubåtsjefens våte drøm - nyheter". Dagbladet.no. 2010-11-18. Retrieved 2011-12-27.
6. Presse- und Informationszentrum Marine (16 November 2011). "Hightech hat einen Namen – U 35" (in German). Bundeswehr. Retrieved 3 March 2013.
7. Frank Behling (18 January 2015). "Kieler U-Boote mangelhaft". KN-Online. Archived from the original on 2015-04-02. Retrieved 21 January 2015.
8. Gordon Repinski, Marcel Rosenbach, Gerald Traufetter, "Das Boot", Der Spiegel, 4 July (4), pp. 40–42CS1 maint: multiple names: authors list (link)
9. Presse- und Informationszentrum Marine (18 October 2017). "Uboot „U35" zur Untersuchung im Dock" (in German). Bundeswehr. Retrieved 4 July 2018.