German submarine U-136 (1941)

German submarine U-136 was a Type VIIC U-boat of Nazi Germany's Kriegsmarine during World War II.

History
Nazi Germany
NameU-136
Ordered7 August 1939
BuilderBremer Vulkan, Bremen-Vegesack
Yard number15
Laid down2 October 1940
Launched5 July 1941
Commissioned30 August 1941
FateSunk by depth charges, 11 July 1942
General characteristics
Class and typeType VIIC submarine
Displacement
  • 769 tonnes (757 long tons) surfaced
  • 871 t (857 long tons) submerged
Length
  • 67.10 m (220 ft 2 in) o/a
  • 50.50 m (165 ft 8 in) pressure hull
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)
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)
  • Calculated crush depth: 250–295 m (820–968 ft)
Complement4 officers, 40–56 enlisted
Armament
  • 5 × 53.3 cm (21 in) torpedo tubes (four bow, one stern)
  • 14 × torpedoes or 26 TMA mines
  • 1 × 8.8 cm (3.46 in) deck gun (220 rounds)
  • various AA guns
Service record
Part of:
Identification codes: M 00 518
Commanders:
  • Kptlt. Heinrich Zimmermann
  • 30 August 1941 – 11 July 1942
Operations:
  • 3 patrols:
  • 1st patrol:
  • a. 22 – 24 January 1942
  • b. 26 – 28 January 1942
  • c. 30 January – 1 March 1942
  • 2nd patrol:
  • 24 March – 20 May 1942
  • 3rd patrol:
  • 29 June – 11 July 1942
Victories:
  • 5 merchant ships sunk
    (23,649 GRT)
  • 2 warships sunk
    (1,850 tons)
  • 1 merchant ship damaged
    (8,955 GRT)

She was laid down at Vulkan-Vegesackerwerft in Bremen on 2 October 1940 as yard number 15, launched on 5 July 1941 and commissioned on 30 August with Kapitänleutnant Heinrich Zimmermann in command.

Her service career began with the commencement of crew training with the 6th U-boat Flotilla on her commissioning date. She became operational on 1 January 1942, also with the 6th flotilla.

She sank five ships, with a total of 23,649 gross register tons (GRT) and two warships totalling 1,850 tons. She also damaged one ship of 8,955 GRT.

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