SM U-57

SM U-57 was one of the 329 submarines serving in the Imperial German Navy in World War I.U-57 was engaged in naval warfare and took part in the First Battle of the Atlantic.

U-57 in Cherbourg circa 1920
History
German Empire
Name	U-57
Ordered	6 October 1914
Builder	A.G. Weser, Bremen
Yard number	212
Laid down	25 August 1915
Launched	29 April 1916
Commissioned	6 July 1916
Fate	24 November 1918 - Surrendered to France. Broken up at Cherbourg in 1921.
General characteristics [1]
Class and type	Type U 57 submarine
Displacement	786 t (774 long tons) surfaced 956 t (941 long tons) submerged
Length	67.00 m (219 ft 10 in) (o/a) 54.22 m (177 ft 11 in) (pressure hull)
Beam	6.32 m (20 ft 9 in) (oa) 4.05 m (13 ft 3 in) (pressure hull)
Height	8.05 m (26 ft 5 in)
Draught	3.79 m (12 ft 5 in)
Installed power	2 × 1,800 PS (1,324 kW; 1,775 shp) surfaced 2 × 1,200 PS (883 kW; 1,184 shp) submerged
Propulsion	2 shafts
Speed	14.7 knots (27.2 km/h; 16.9 mph) surfaced 8.4 knots (15.6 km/h; 9.7 mph) submerged
Range	7,730 nmi (14,320 km; 8,900 mi) at 8 knots (15 km/h; 9.2 mph) surfaced 55 nmi (102 km; 63 mi) at 5 knots (9.3 km/h; 5.8 mph) submerged
Test depth	50 m (164 ft 1 in)
Complement	36
Armament	4 × 50 cm (19.7 in) torpedo tubes (two bow, two stern) 7 torpedoes 1 × 10.5 cm (4.1 in) SK L/45 deck gun
Service record
Part of:	II Flotilla 7 July 1916 – 11 November 1918
Commanders:	Kptlt. Carl-Siegfried Ritter von Georg[2] 6 July 1916 – 19 December 1917 Oblt.z.S. Günther Sperling[3] 20 December 1917 - 6 March 1918 Oblt.z.S. Walter Stein[4] 7 March – 11 November 1918
Operations:	7 patrols
Victories:	55 merchant ships sunk (91,606 GRT) 1 warship sunk (1,250 tons)[5] 6 merchant ships damaged (14,363 GRT) 1 auxiliary warship damaged (1,372 GRT)