German submarine U-90 (1941)

History
Nazi Germany
NameU-90
Ordered25 January 1939
BuilderFlender Werke, Lübeck
Yard number294
Laid down1 October 1940
Launched25 October 1941
Commissioned20 December 1941
FateSunk 24 July 1942 in the Northern Atlantic by a Canadian warship
General characteristics
Class & typeType VIIC submarine
Displacement
Length
Beam
  • 6.20 m (20 ft 4 in) o/a
  • 4.70 m (15 ft 5 in) pressure hull
Height9.60 m (31 ft 6 in)
Draught4.74 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
Speed
  • 17.7 knots (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)
Complement4 officers, 40–56 enlisted
Armament
Service record
Part of:
Identification codes: M 47 644
Commanders:
  • Oblt.z.S. / Kptlt. Hans-Jürgen Oldörp
  • 20 December 1941 – 24 July 1942
Operations:
  • 1 patrol:
  • 30 June – 24 July 1942
Victories: None

German submarine U-90 was a Type VIIC U-boat of Nazi Germany's Kriegsmarine during World War II.

She was laid down at the Flender Werke in Lübeck as yard number 294 on 1 October 1940, launched on 25 October 1941 and commissioned on 20 December with Oberleutnant zur See Hans-Jürgen Oldörp in command.

After training with the 8th U-boat Flotilla, U-90 was assigned to the 9th flotilla on 1 July 1942 for operations. She was a member of one wolfpack in a patrol in which she was sunk by a Canadian warship.