SM UC-50

History
German Empire
Name	UC-50
Ordered	12 January 1916
Builder	Germaniawerft, Kiel
Yard number	266
Launched	23 November 1916
Commissioned	21 December 1916
Fate	Missing since 7 January 1918
General characteristics
Class & type	Type UC II submarine
Displacement	434 t (427 long tons), surfaced; 511 t (503 long tons), submerged;
Length	52.69 m (172 ft 10 in) o/a; 40.96 m (134 ft 5 in) pressure hull;
Beam	5.22 m (17 ft 2 in) o/a; 3.65 m (12 ft) pressure hull;
Draught	3.64 m (11 ft 11 in)
Propulsion	2 × propeller shafts; 2 × 6-cylinder, 4-stroke diesel engines, 580–600 PS (430–440 kW; 570–590 shp); 2 × electric motors, 620 PS (460 kW; 610 shp);
Speed	11.8 knots (21.9 km/h; 13.6 mph), surfaced; 7.2 knots (13.3 km/h; 8.3 mph), submerged;
Range	8,820–9,450 nmi (16,330–17,500 km; 10,150–10,870 mi) at 7 knots (13 km/h; 8.1 mph) surfaced; 56 nmi (104 km; 64 mi) at 4 knots (7.4 km/h; 4.6 mph) submerged;
Test depth	50 m (160 ft)
Complement	26
Armament	6 × 100 cm (39.4 in) mine tubes; 18 × UC 200 mines; 3 × 50 cm (19.7 in) torpedo tubes (2 bow/external; one stern); 7 × torpedoes; 1 × 8.8 cm (3.5 in) Uk L/30 deck gun;
Notes	30-second diving time
Service record
Part of:	I Flotilla; 18 February - 6 July 1917; Flandern / Flandern II Flotilla; 6 July 1917 – 7 January 1918;
Commanders:	Kptlt. Rudolf Seuffer; 21 December 1916 – 7 January 1918;
Operations:	9 patrols
Victories:	25 merchant ships sunk ; (42,005 GRT); 4 auxiliary warships sunk ; (866 GRT); 1 auxiliary warship damaged ; (270 GRT);

SM UC-50 was a German Type UC II minelaying submarine or U-boat in the German Imperial Navy (German: Kaiserliche Marine) during World War I. The U-boat was ordered on 20 November 1915 and was launched on 23 November 1916. She was commissioned into the German Imperial Navy on 21 December 1916 as SM UC-50. In nine patrols UC-50 was credited with sinking 29 ships, either by torpedo or by mines laid. UC-50 went missing after 7 January 1918 while sailing for the Bay of Biscay.

History

German Empire
Name	UC-50
Ordered	12 January 1916
Builder	Germaniawerft, Kiel
Yard number	266
Launched	23 November 1916
Commissioned	21 December 1916
Fate	Missing since 7 January 1918
General characteristics
Class & type	Type UC II submarine
Displacement	434 t (427 long tons), surfaced 511 t (503 long tons), submerged
Length	52.69 m (172 ft 10 in) o/a 40.96 m (134 ft 5 in) pressure hull
Beam	5.22 m (17 ft 2 in) o/a 3.65 m (12 ft) pressure hull
Draught	3.64 m (11 ft 11 in)
Propulsion	2 × propeller shafts 2 × 6-cylinder, 4-stroke diesel engines, 580–600 PS (430–440 kW; 570–590 shp) 2 × electric motors, 620 PS (460 kW; 610 shp)
Speed	11.8 knots (21.9 km/h; 13.6 mph), surfaced 7.2 knots (13.3 km/h; 8.3 mph), submerged
Range	8,820–9,450 nmi (16,330–17,500 km; 10,150–10,870 mi) at 7 knots (13 km/h; 8.1 mph) surfaced 56 nmi (104 km; 64 mi) at 4 knots (7.4 km/h; 4.6 mph) submerged
Test depth	50 m (160 ft)
Complement	26
Armament	6 × 100 cm (39.4 in) mine tubes 18 × UC 200 mines 3 × 50 cm (19.7 in) torpedo tubes (2 bow/external; one stern) 7 × torpedoes 1 × 8.8 cm (3.5 in) Uk L/30 deck gun
Notes	30-second diving time
Service record
Part of:	I Flotilla 18 February - 6 July 1917 Flandern / Flandern II Flotilla 6 July 1917 – 7 January 1918
Commanders:	Kptlt. Rudolf Seuffer 21 December 1916 – 7 January 1918
Operations:	9 patrols
Victories:	25 merchant ships sunk (42,005 GRT) 4 auxiliary warships sunk (866 GRT) 1 auxiliary warship damaged (270 GRT)