SM U-50

History
German Empire
Name	U-50
Ordered	4 August 1914
Builder	Kaiserliche Werft Danzig
Yard number	28
Launched	31 December 1915
Commissioned	4 July 1916
Fate	Sunk probably by a mine off Terschelling on or after 31 August 1917
General characteristics
Class and type	Type U-43 submarine
Displacement	725 t (714 long tons) surfaced; 940 t (930 long tons) submerged;
Length	65.00 m (213 ft 3 in) (o/a)
Beam	6.20 m (20 ft 4 in) (oa); 4.18 m (13 ft 9 in) (pressure hull);
Height	9.00 m (29 ft 6 in)
Draught	3.74 m (12 ft 3 in)
Installed power	2 × 2,000 PS (1,471 kW; 1,973 shp) surfaced; 2 × 1,200 PS (883 kW; 1,184 shp) submerged;
Propulsion	2 shafts
Speed	15.2 knots (28.2 km/h; 17.5 mph) surfaced; 9.7 knots (18.0 km/h; 11.2 mph) submerged;
Range	11,400 nmi (21,100 km; 13,100 mi) at 8 knots (15 km/h; 9.2 mph) surfaced; 51 nmi (94 km; 59 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); 6 torpedoes; 1 × 8.8 cm (3.5 in) SK L/30 deck gun;
Service record
Part of:	III Flotilla; 4 July 1916 – 31 August 1917;
Commanders:	Kptlt. Gerhard Berger; 4 July 1916 - 31 August 1917;
Operations:	5 patrols
Victories:	27 merchant ships sunk ; (92,924 GRT)

SM U-50 was one of 329 submarines in the Imperial German Navy in World War I. She took part in the First Battle of the Atlantic.

U-50 is most notable for sinking the Laconia, formerly an armed merchant cruiser which had returned to passenger service, killing two Americans before the United States had entered the war. Laconia was also the 15th largest ship destroyed by submarine in the war.

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