SM U-102

History
German Empire
Name	U-102
Ordered	15 September 1915
Builder	AG Weser, Bremen
Yard number	253
Laid down	12 August 1916
Launched	12 May 1917
Commissioned	18 June 1917
Fate	Sunk by mine, 30 September 1918
General characteristics
Class & type	German Type U 57 submarine
Displacement	750 t (740 long tons) surfaced; 952 t (937 long tons) submerged;
Length	67.60 m (221 ft 9 in) (o/a); 54.02 m (177 ft 3 in) (pressure hull);
Beam	6.32 m (20 ft 9 in) (o/a); 4.05 m (13 ft 3 in) (pressure hull);
Height	8.25 m (27 ft 1 in)
Draught	3.65 m (12 ft)
Installed power	2 × 2,400 PS (1,765 kW; 2,367 shp) surfaced; 2 × 1,200 PS (883 kW; 1,184 shp) submerged;
Propulsion	2 shafts, 2 × 1.65 m (5 ft 5 in) propellers
Speed	16.5 knots (30.6 km/h; 19.0 mph) surfaced; 8.8 knots (16.3 km/h; 10.1 mph) submerged;
Range	10,100 nmi (18,700 km; 11,600 mi) at 8 knots (15 km/h; 9.2 mph) surfaced; 56 nmi (104 km; 64 mi) at 5 knots (9.3 km/h; 5.8 mph) submerged;
Test depth	50 m (164 ft 1 in)
Complement	4 officers, 32 enlisted
Armament	4 × 50 cm (19.7 in) torpedo tubes (two bow, two stern); 10–12 torpedoes; 2 × 8.8 cm (3.5 in) SK L/30 deck gun;
Service record
Part of	II Flotilla; 5 August 1917 – 30 September 1918;
Commanders	Kptlt. Ernst Killmann; 5 August 1917 – 25 November 1917; Kptlt. Curt Beitzen; 26 November 1917 – 27 September 1918;
Operations	7 patrols
Victories	5 merchant ships sunk ; (9,340 GRT); 1 auxiliary warship damaged ; (10,757 GRT);

SM U-102 or SM Unterseeboot 102 was a German Type U 57 submarine used by the Imperial German Navy in World War I. U-102 was launched on 12 May 1917. She was commissioned to the Imperial Navy on 18 June 1917.