German submarine U-137 (1940)

History
Nazi Germany
Name	U-137
Ordered	25 September 1939
Builder	Deutsche Werke, Kiel
Yard number	266
Laid down	16 November 1939
Launched	18 May 1940
Commissioned	15 June 1940
Fate	Scuttled on 5 May 1945 at Wilhelmshaven
General characteristics
Class and type	Type IID coastal submarine
Displacement	314 t (309 long tons) surfaced 364 t (358 long tons) submerged
Length	43.97 m (144 ft 3 in) o/a 29.80 m (97 ft 9 in) pressure hull
Beam	4.92 m (16 ft 2 in) (o/a) 4.00 m (13 ft 1 in) (pressure hull)
Height	8.40 m (27 ft 7 in)
Draught	3.93 m (12 ft 11 in)
Installed power	700 PS (510 kW; 690 bhp) (diesels) 410 PS (300 kW; 400 shp) (electric)
Propulsion	2 shafts 2 × diesel engines 2 × electric motors
Speed	12.7 knots (23.5 km/h; 14.6 mph) surfaced 7.4 knots (13.7 km/h; 8.5 mph) submerged
Range	3,450 nmi (6,390 km; 3,970 mi) at 12 knots (22 km/h; 14 mph) surfaced 56 nmi (104 km; 64 mi) at 4 knots (7.4 km/h; 4.6 mph) submerged
Test depth	80 m (260 ft)
Complement	3 officers, 22 men
Armament	3 × 53.3 cm (21 in) torpedo tubes 5 × torpedoes or up to 12 TMA or 18 TMB mines 1 × 2 cm (0.79 in) C/30 anti-aircraft gun
Service record
Part of:	1st U-boat Flotilla 15 June – 19 December 1940 22nd U-boat Flotilla 20 December 1940 – 5 May 1945
Identification codes:	M 02 030
Commanders:	Oblt.z.S. / Kptlt. Herbert Wohlfarth 15 June – 14 December 1940 Oblt.z.S. Hans-Ferdinand Massmann 15 December 1940 – 7 December 1941 Oblt.z.S. Herbert Brüning 8 December 1941 – 1 September 1942 Oblt.z.S. Gerth Gemeiner 2 September 1942 – 27 December 1943 Oblt.z.S. Günther Schimmel 28 December 1943 – 24 January 1945 Oblt.z.S. Erich Fischer 25 January – 28 February 1945 Oblt.z.S. Hans-Joachim Dierks March – 5 May 1945
Operations:	4 patrols: 1st patrol: 21 – 29 September 1940 2nd patrol: 9 – 17 October 1940 3rd patrol: a. 3 – 22 November 1940 b. 24 – 27 November 1940 c. 17 – 20 June 1941 4th patrol: a. 21 June - 4 July 1941 b. 24–26 July 1941 c. 28–29 August 1941
Victories:	6 merchant ships sunk (24,136 GRT) 1 merchant ship damaged (4,917 GRT) 1 auxiliary warship damaged (10,552 GRT)

German submarine U-137 was a Type IID U-boat of Nazi Germany's Kriegsmarine in World War II. Her keel was laid down on 16 November 1939 by Deutsche Werke in Kiel. She was launched on 18 May 1940 and commissioned on 15 June 1940 with Oberleutnant zur See Herbert Wohlfarth in command.

U-137 conducted four patrols, sinking six ships totaling 24,136 gross registered tons (GRT) and damaged one vessel of 4,917 GRT. She also damaged one auxiliary warship of 10,552 GRT. She was scuttled on 5 May 1945 at Wilhelmshaven, a week before Germany's surrender. U-137 never suffered any casualties to her crew.