German submarine U-136 (1941)

History
Nazi Germany
Name	U-136
Ordered	7 August 1939
Builder	Bremer Vulkan, Bremen-Vegesack
Yard number	15
Laid down	2 October 1940
Launched	5 July 1941[1]
Commissioned	30 August 1941[1]
Fate	Sunk by depth charges, 11 July 1942[1]
General characteristics
Class and type	Type 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
Height	9.60 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	2 shafts 2 × diesel engines 2 × electric motors
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)
Complement	4 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:	6th U-boat Flotilla 30 August 1941 – 11 July 1942
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)

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

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.