SM UC-45

History
German Empire
Class and type:	German Type UC II submarine
Name:	UC-45
Ordered:	20 November 1915
Builder:	AG Vulcan, Hamburg
Yard number:	78
Launched:	20 October 1916
Commissioned:	18 November 1916
Fate:	surrendered, November 1918; broken up, 1919–20
General characteristics
Class and type:	Type UC II submarine
Displacement:	400 t (390 long tons), surfaced 480 t (470 long tons), submerged
Length:	49.45 m (162 ft 3 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:	3.68 m (12 ft 1 in)
Propulsion:	2 × propeller shafts 2 × 6-cylinder, 4-stroke diesel engines, 520 PS (380 kW; 510 shp) 2 × electric motors, 460 PS (340 kW; 450 shp)
Speed:	11.7 knots (21.7 km/h; 13.5 mph), surfaced 6.7 knots (12.4 km/h; 7.7 mph), submerged
Range:	9,410 nmi (17,430 km; 10,830 mi) at 7 knots (13 km/h; 8.1 mph) surfaced 60 nmi (110 km; 69 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 (3.46 in) Uk L/30 deck gun
Notes:	48-second diving time
Service record
Part of:	I Flotilla 10 February – 17 September 1917
Commanders:	Kptlt. Hubert Aust 18 November 1916 – 27 July 1917 Oblt.z.S. Hans Soergel 28 July – 31 August 1917 Oblt.z.S. Werner Ackermann 1–17 September 1917
Operations:	5 patrols
Victories:	12 merchant ships sunk (16,854 GRT)

SM UC-45 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 20 October 1916. She was commissioned into the German Imperial Navy on 18 November 1916 as SM UC-45. In five patrols UC-45 was credited with sinking 12 ships, either by torpedo or by mines laid. UC-45 sank in a diving accident on 17 September 1917 in the North Sea. The German salvage vessel Vulkan raised the wreck and UC-45 re-entered service on 24 October 1918. She was surrendered on 24 November 1918 and broken up at Preston in 1919–20.

A German Type UC II submarine, UC-45 had a displacement of 400 tonnes (390 long tons) when at the surface and 480 tonnes (470 long tons) while submerged. She had a length overall of 49.45 m (162 ft 3 in), a beam of 5.22 m (17 ft 2 in), and a draught of 3.68 m (12 ft 1 in). The submarine was powered by two six-cylinder four-stroke diesel engines each producing 260 metric horsepower (190 kW; 260 shp) (a total of 520 metric horsepower (380 kW; 510 shp)), two electric motors producing 460 metric horsepower (340 kW; 450 shp), and two propeller shafts. She had a dive time of 48 seconds and was capable of operating at a depth of 50 metres (160 ft).

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