German submarine U-40 (1938)

U-37, (an identical U-boat to U-40) at Lorient in 1940
History
Nazi Germany
Name	U-40
Ordered	29 July 1936
Builder	DeSchiMAG AG Weser, Bremen
Yard number	945
Laid down	1 July 1937
Launched	9 November 1938
Commissioned	11 February 1939
Fate	Sunk on 13 October 1939 in the English Channel by a mine. 45 men died, three survived[1][2]
General characteristics
Class and type	Type IXA submarine
Displacement	1,032 t (1,016 long tons) surfaced 1,153 t (1,135 long tons) submerged
Length	76.50 m (251 ft) o/a 58.75 m (192 ft 9 in) pressure hull
Beam	6.51 m (21 ft 4 in) o/a 4.40 m (14 ft 5 in) pressure hull
Height	9.40 m (30 ft 10 in)
Draught	4.70 m (15 ft 5 in)
Installed power	4,400 PS (3,200 kW; 4,300 bhp) (diesels) 1,000 PS (740 kW; 990 shp) (electric)
Propulsion	2 shafts 2 × diesel engines 2 × electric motors
Speed	18.2 knots (33.7 km/h; 20.9 mph) surfaced 7.7 knots (14.3 km/h; 8.9 mph) submerged
Range	10,500 nmi (19,400 km; 12,100 mi) at 10 knots (19 km/h; 12 mph) surfaced 65–78 nmi (120–144 km; 75–90 mi) at 4 knots (7.4 km/h; 4.6 mph) submerged
Test depth	230 m (750 ft)
Complement	4 officers, 44 enlisted
Armament	6 × torpedo tubes (4 bow, 2 stern) 22 × 53.3 cm (21 in) torpedoes 1 × 10.5 cm SK C/32 naval gun (180 rounds) 1 × 3.7 cm (1.5 in) SK C/30 AA gun 1 × twin 2 cm FlaK 30 AA guns
Service record
Part of:	6th U-boat Flotilla 11 February – 13 October 1939
Identification codes:	M 19 297
Commanders:	Kptlt. Werner von Schmidt 11 February – 20 September 1939 Kptlt. Wolfgang Barten 21 September – 13 October 1939
Operations:	2 patrols: 1st patrol: 19 August – 18 September 1939 2nd patrol: 10 – 13 October 1939
Victories:	No ships sunk or damaged

German submarine U-40 was a Type IXA^[3] U-boat of Nazi Germany's Kriegsmarine that operated during World War II.^[1]

U-40 was built in Bremen by DeSchiMAG AG Weser as yard number 945. She was launched in November 1938 and commissioned in February 1939.^[1]

U-40 conducted two war patrols during her career. Both of which were part of the 6th U-boat Flotilla. During her short time in the war, she sank no ships.

U-40 was sunk on 13 October 1939 by a mine in the English Channel.^[1]