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SM U-142

History
German Empire
Name: U-142
Ordered: 29 November 1916
Builder: Germaniawerft, Kiel
Yard number: 303
Launched: 4 March 1918
Commissioned: 10 November 1918
Fate: 10 November 1918 – Taken right back to the dockyard after being commissioned and demilitarized and finally broken up at Oslebshausen in 1919. Engine plants were surrendered to the allies.
General characteristics
Class and type: German Type U 139 submarine
Displacement:
  • 2,158 t (2,124 long tons) surfaced
  • 2,785 t (2,741 long tons) submerged
Length:
Beam:
  • 9.06 m (29 ft 9 in) (o/a)
  • 5.70 m (18 ft 8 in) (pressure hull)
Height: 5.38 m (17 ft 8 in)
Draught: 11.20 m (36 ft 9 in)
Installed power:
  • 2 × 3,000 PS (2,206 kW; 2,959 shp)
  • 1 × 450 PS (331 kW; 444 shp) surfaced
  • 2 × 1,300 PS (956 kW; 1,282 shp) submerged
Propulsion: 2 shafts, 2 × 2.10 m (6 ft 11 in) propellers
Speed:
  • 17.5 knots (32.4 km/h; 20.1 mph) surfaced
  • 8.5 knots (15.7 km/h; 9.8 mph) submerged
Range:
  • 20,000 nmi (37,000 km; 23,000 mi) at 6 knots (11 km/h; 6.9 mph) surfaced
  • 70 nmi (130 km; 81 mi) at 4.5 knots (8.3 km/h; 5.2 mph) submerged
Test depth: 75 m (246 ft 1 in)
Complement: 6 (1) officers, 56 (20) enlisted – (prize crew)
Armament:
  • 6 × 50 cm (19.7 in) torpedo tubes (four bow, two stern)
  • 19-24 torpedoes
  • 2 × 15 cm (5.9 in) deck guns
    • 2 × 8.8 cm (3.5 in) deck guns

SM U-142 was one of the 329 submarines serving in the Imperial German Navy in World War I. U-142 was not engaged in the naval warfare.


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