SM UC-75

History
German Empire
Name	UC-75
Ordered	12 January 1916
Builder	AG Vulcan, Hamburg
Yard number	80
Launched	6 November 1916
Commissioned	6 December 1916
Fate	Rammed and sunk by HMS Fairy, 31 May 1918
General characteristics
Class & type	Type UC II submarine
Displacement	410 t (400 long tons), surfaced; 493 t (485 long tons), submerged;
Length	50.45 m (165 ft 6 in) o/a; 40.30 m (132 ft 3 in) pressure hull;
Beam	5.22 m (17 ft 2 in) o/a; 3.65 m (12 ft) pressure hull;
Draught	3.65 m (12 ft)
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; 7.3 knots (13.5 km/h; 8.4 mph), submerged;
Range	8,660–10,230 nmi (16,040–18,950 km; 9,970–11,770 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; 10 February – 5 August 1917; Flandern / Flandern II Flotilla; 5 August 1917 – 31 May 1918;
Commanders:	Kptlt. Georg Paech; 6 December 1916 – 16 March 1917; Oblt.z.S. Johannes Lohs; 17 March 1917 – 30 January 1918; Oblt.z.S. Walter Schmitz; 31 January – 31 May 1918;
Operations:	13 patrol
Victories:	55 merchant ships sunk ; (82,683 GRT); 2 warships sunk ; (1,555 tons); 2 auxiliary warship sunk ; (260 GRT); 8 merchant ships damaged ; (40,021 GRT); 2 auxiliary warship damaged ; (426 GRT);

SM UC-75 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 and was launched on 6 November 1916. She was commissioned into the German Imperial Navy on 6 December 1916 as SM UC-75. In 13 patrols UC-75 was credited with sinking 59 ships, either by torpedo or by mines laid. UC-75 rammed and sunk by HMS Fairy on 31 May 1918 with 17 dead and 14 survivors. HMS Fairy had sustained heavy damage and sank a short time later.

History

German Empire
Name	UC-75
Ordered	12 January 1916
Builder	AG Vulcan, Hamburg
Yard number	80
Launched	6 November 1916
Commissioned	6 December 1916
Fate	Rammed and sunk by HMS Fairy, 31 May 1918
General characteristics
Class & type	Type UC II submarine
Displacement	410 t (400 long tons), surfaced 493 t (485 long tons), submerged
Length	50.45 m (165 ft 6 in) o/a 40.30 m (132 ft 3 in) pressure hull
Beam	5.22 m (17 ft 2 in) o/a 3.65 m (12 ft) pressure hull
Draught	3.65 m (12 ft)
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 7.3 knots (13.5 km/h; 8.4 mph), submerged
Range	8,660–10,230 nmi (16,040–18,950 km; 9,970–11,770 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 10 February – 5 August 1917 Flandern / Flandern II Flotilla 5 August 1917 – 31 May 1918
Commanders:	Kptlt. Georg Paech 6 December 1916 – 16 March 1917 Oblt.z.S. Johannes Lohs 17 March 1917 – 30 January 1918 Oblt.z.S. Walter Schmitz 31 January – 31 May 1918
Operations:	13 patrol
Victories:	55 merchant ships sunk (82,683 GRT) 2 warships sunk (1,555 tons) 2 auxiliary warship sunk (260 GRT) 8 merchant ships damaged (40,021 GRT) 2 auxiliary warship damaged (426 GRT)