U-198

History
Nazi Germany
Name:	U-198
Ordered:	4 November 1940
Builder:	Deschimag DeSchiMAG AG Weser in Bremen
Yard number:	1044
Laid down:	1 August 1941
Launched:	15 June 1942
Commissioned:	3 November 1942
Fate:	Sunk on 12 August 1944 near the Seychelles, by depth charges from British and Indian warships
General characteristics
Class and type:	Type IXD2 submarine
Displacement:	1,610 t (1,580 long tons) surfaced 1,799 t (1,771 long tons) submerged
Length:	87.58 m (287.3 ft) o/a 68.50 m (224.7 ft) pressure hull
Beam:	7.50 m (24.6 ft) o/a 4.40 m (14.4 ft) pressure hull
Height:	10.20 m (33 ft 6 in)
Draught:	5.40 m (17 ft 9 in)
Installed power:	9,000 PS (6,620 kW; 8,880 bhp) (diesels) 1,000 PS (740 kW; 990 shp) (electric)
Propulsion:	2 shafts 2 × diesel engines 2 × electric motors
Speed:	29.8 knots (55.2 km/h; 34.3 mph) surfaced 6.9 knots (12.8 km/h; 7.9 mph) submerged
Range:	12,750 nmi (23,610 km; 14,670 mi) at 10 knots (19 km/h; 12 mph) surfaced 57 nmi (106 km; 66 mi) at 4 knots (7.4 km/h; 4.6 mph) submerged
Test depth:	Calculated crush depth: 230 m (750 ft)
Complement:	55-64
Armament:	6 × torpedo tubes (four bow, two stern) 24 × 53.3 cm (21 in) torpedoes 1 × 10.5 cm (4.1 in) SK L/45 deck gun (150 rounds) anti-aircraft guns
Service record
Part of:	4th U-boat Flotilla 3 November 1942 - 31 March 1943 12th U-boat Flotilla 1 April 1943 - 12 August 1944
Commanders:	Kapt.z.S. Werner Hartmann 3 November 1942 - 31 March 1944 Oblt.z.S. Burkhard Heusinger von Waldegg 21 January - 12 August 1944
Operations:	Two 1st patrol: 9 March - 24 September 1943 2nd patrol: 20 April - 12 August 1944
Victories:	11 commercial ships sunk (59,690 GRT)

German submarine U-198, was a Type IXD2 U-boat which fought in World War II. She was built by the Deschimag DeSchiMAG AG Weser in Bremen. She was laid down on 1 August 1941 as yard number 1044, launched on 15 June 1942 and commissioned on 3 November under Kapitän zur See Werner Hartmann.

The boat was sunk on 12 August 1944 near the Seychelles, by depth charges from a British frigate and an Indian sloop. The submarine is credited with sinking eleven ships, for a total of 59,690 gross register tons (GRT).

German Type IXD2 submarines were considerably larger than the original Type IXs. U-198 had a displacement of 1,610 tonnes (1,580 long tons) when at the surface and 1,799 tonnes (1,771 long tons) while submerged. The U-boat had a total length of 87.58 m (287 ft 4 in), a pressure hull length of 68.50 m (224 ft 9 in), a beam of 7.50 m (24 ft 7 in), a height of 10.20 m (33 ft 6 in), and a draught of 5.35 m (17 ft 7 in). The submarine was powered by two MAN M 9 V 40/46 supercharged four-stroke, nine-cylinder diesel engines plus two MWM RS34.5S six-cylinder four-stroke diesel engines for cruising, producing a total of 9,000 metric horsepower (6,620 kW; 8,880 shp) for use while surfaced, two Siemens-Schuckert 2 GU 345/34 double-acting electric motors producing a total of 1,000 shaft horsepower (1,010 PS; 750 kW) for use while submerged. She had two shafts and two 1.85 m (6 ft) propellers. The boat was capable of operating at depths of up to 200 metres (660 ft).

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