SM UB-25

SM UB-45 a u-boat similar to UB-25
Career (German Empire)
Name:	UB-25
Ordered:	30 April 1915[1]
Builder:	AG Weser, Bremen[1]
Cost:	1,291,000 German Papiermark[2]
Yard number:	239[1]
Launched:	22 November 1915[1]
Commissioned:	11 December 1915[2]
Fate:	sunk in accident 19 March 1917[2]
General characteristics
Class & type:	German Type UB II submarine
Displacement:	265 t (261 long tons) surfaced[2] 291 t (286 long tons) submerged[2]
Length:	36.13 m (118 ft 6 in)[2]
Beam:	436 m (1,430 ft 5 in)[2]
Draft:	3.66 m (12 ft 0 in)[2]
Propulsion:	2 × propeller shafts 2 × Benz diesel engines, 270 shp (200 kW)[2] 2 × Siemens-Schuckert electric motor, 280 shp (210 kW)[2]
Speed:	8.9 knots (16.5 km/h) surfaced[2] 5.72 knots (10.59 km/h) submerged[2]
Range:	7,200 nautical miles (13,300 km; 8,300 mi) at 5 knots (9.3 km/h; 5.8 mph) surfaced[2] 45 nmi (83 km; 52 mi) at 4 knots submerged[2]
Test depth:	50 m (160 ft)[2]
Complement:	2 officers, 21 men[2]
Armament:	2 × 50 cm (19.7 in) torpedo tubes[2] 4 × torpedoes (later 6) 1 × 5 cm SK L/40 gun[2]
Notes:	30-second diving time[2]

SM UB-25 was a German Type UB II submarine or U-boat in the German Imperial Navy (German: Kaiserliche Marine) during World War I. The U-boat was ordered on 30 April 1915 and launched on 9 October 1915. She was commissioned into the German Imperial Navy on 11 December 1915 as SM UB-25.^{[Note 1]} The submarine was lost in a collision with SMS V26 in Kiel harbour on 17 March 1917. She was raised on 22 March 1917 by the salvage ship SMS Vulcan and served on as a training boat until she was surrendered to Britain in accordance with the requirements of the Armistice with Germany on 26 November 1918. UB-25 was finally broken up in Canning Town in 1922.^[2]

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