SM UC-55

History
German Empire
Name	UC-55
Ordered	12 January 1916
Builder	Kaiserliche Werft, Danzig
Yard number	37
Laid down	25 February 1916
Launched	2 August 1916
Commissioned	15 November 1916
Fate	Sunk off Shetland Islands, 29 September 1917
General characteristics
Class & type	Type UC II submarine
Displacement	415 t (408 long tons), surfaced; 498 t (490 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	3.61 m (11 ft 10 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	11.6 knots (21.5 km/h; 13.3 mph), surfaced; 7.3 knots (13.5 km/h; 8.4 mph), submerged;
Range	8,660–9,450 nmi (16,040–17,500 km; 9,970–10,870 mi) at 7 knots (13 km/h; 8.1 mph) surfaced; 52 nmi (96 km; 60 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; 15 February – 29 September 1917;
Commanders:	Kptlt. Karl Neureuther; 15 November 1916 – 11 May 1917; Oblt.z.S. Theodor Schultz; 12 May – 27 June 1917; Oblt.z.S. Horst Rühle von Lilienstern; 28 June – 29 September 1917;
Operations:	6 patrols
Victories:	9 merchant ships sunk ; (12,988 GRT); 2 merchant ships damaged ; (5,740 GRT); 1 warship damaged ; (440 tons);

SM UC-55 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 12 January 1916, laid down on 25 February 1916, and was launched on 2 August 1916. She was commissioned into the German Imperial Navy on 15 November 1916 as SM UC-55.

History

German Empire
Name	UC-55
Ordered	12 January 1916
Builder	Kaiserliche Werft, Danzig
Yard number	37
Laid down	25 February 1916
Launched	2 August 1916
Commissioned	15 November 1916
Fate	Sunk off Shetland Islands, 29 September 1917
General characteristics
Class & type	Type UC II submarine
Displacement	415 t (408 long tons), surfaced 498 t (490 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	3.61 m (11 ft 10 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	11.6 knots (21.5 km/h; 13.3 mph), surfaced 7.3 knots (13.5 km/h; 8.4 mph), submerged
Range	8,660–9,450 nmi (16,040–17,500 km; 9,970–10,870 mi) at 7 knots (13 km/h; 8.1 mph) surfaced 52 nmi (96 km; 60 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 15 February – 29 September 1917
Commanders:	Kptlt. Karl Neureuther 15 November 1916 – 11 May 1917 Oblt.z.S. Theodor Schultz 12 May – 27 June 1917 Oblt.z.S. Horst Rühle von Lilienstern 28 June – 29 September 1917
Operations:	6 patrols
Victories:	9 merchant ships sunk (12,988 GRT) 2 merchant ships damaged (5,740 GRT) 1 warship damaged (440 tons)