SM UC-25

From Wikipedia, the free encyclopedia
Jump to: navigation, search
For other ships of the same name, see German submarine U-25.
Career (German Empire)
Name: UC-25
Ordered: 29 August 1915[1]
Builder: AG Vulcan, Hamburg[2]
Yard number: 64[1]
Launched: 10 June 1916[1]
Commissioned: 28 June 1916[1]
Fate: scuttled at Pola, October 1918[1]
General characteristics
Class and type: German Type UC II submarine
Displacement: 400 t (440 short tons), surfaced[2]
480 t (530 short tons), submerged
Length: 162 ft 3 in (49.45 m)[2]
Beam: 17 ft 4 in (5.28 m)[2]
Draft: 12 ft 2 in (4 m)[3]
Propulsion: 2 × propeller shafts
2 × 6-cylinder, 4-stroke diesel engines, 500 bhp (370 kW)[3]
2 × electric motors, 460 shp (340 kW)[3]
Speed: 11.6 knots (21.5 km/h), surfaced[2]
6.6 knots (12.2 km/h), submerged
Endurance: 9,260 nautical miles at 7 knots, surfaced[3]
(17,150 km at 13 km/h)
53 nautical miles at 4 knots, submerged[3]
(98 km at 7.4 km/h)
Test depth: 50 m (160 ft)[3]
Complement: 26[3]
Armament: 6 × 100 cm (39.4 in) mine tubes[3]
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) KL/30 deck gun[2]
Notes: 48-second diving time[2]
Service record
Part of: Baltic Flotilla
12 Sep 1916 - 15 Apr 1917
Pola Flotilla
15 Apr 1917 - 11 Nov 1918
Commanders: Kptlt Johannes Feldkirchner[4]
28 Jun 1916 - 17 Jul 1917
Oblt Walter Lippold[5]
18 Jul 1917 - 13 Dec 1917
Oblt Freiherr Ernst von Wangenheim[6]
14 Dec 1917 - 15 Feb 1918
Oblt Karl Dönitz[7]
16 Feb 1918 - 7 Aug 1918
Operations: 13 patrols
Victories: 18 merchant ships sunk (17,127 GRT)
5 merchant ships damaged (28,370 GRT)
3 warships sunk (2,201 tons)
2 warships damaged (6,500 tons)

SM UC-25 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 29 August 1915 and was launched on 10 June 1916. She was commissioned into the German Imperial Navy on 28 June 1916 as SM UC-25.[Note 1] In 13 patrols UC-25 was credited with sinking 21 ships, either by torpedo or by mines laid. March–September 1918 she was commanded by Karl Dönitz, later Grand admiral.[8] UC-25 was scuttled at Pola on 28 October 1918 on the surrender of Austria-Hungary.[1]

Summary of Raiding Career[edit]

Date Name Nationality Tonnage
(GRT)
Fate[9]
19 October 1916 Jug  Russian Empire 75 Sunk
6 December 1916 Shchit  Imperial Russian Navy 248 Sunk
6 April 1917 Cybele  France 148 Sunk
7 April 1917 Edwin R. Hunt  United States 1,132 Sunk
28 April 1917 Juliette  France 50 Sunk
15 May 1917 Boutefeu  French Navy 703 Sunk
16 May 1917 HMS Dartmouth  Royal Navy 5,250 Damaged
24 May 1917 Domenico Barone  Kingdom of Italy 171 Sunk
28 May 1917 Nuovo S. Giovanni  Kingdom of Italy 31 Sunk
28 May 1917 San Domenico  Kingdom of Italy 27 Sunk
31 May 1917 Ninotto  Kingdom of Italy 208 Sunk
1 June 1917 Domenico Miscuraca  Kingdom of Italy 194 Sunk
1 June 1917 Vittoria  Kingdom of Italy 248 Sunk
6 June 1917 Mitra  United Kingdom 5,592 Damaged
4 July 1917 HMS Aster  Royal Navy 1,250 Sunk
4 July 1917 HMS Azalea  Royal Navy 1,250 Damaged
5 July 1917 Eburna  United Kingdom 4,735 Damaged
17 October 1917 HMHS Goorkha  Royal Navy 6,335 Damaged
18 October 1917 Anna Scotto  Kingdom of Italy 594 Sunk
20 October 1917 Virginia Gentile  Kingdom of Italy 164 Sunk
3 December 1917 Melo  Kingdom of Italy 1,115 Sunk
8 December 1917 Chyebassa  United Kingdom 6,249 Damaged
23 February 1918 HMT Marion  Royal Navy 255 Sunk
18 March 1918 Massilia  Kingdom of Italy 5,026 Sunk
4 April 1918 Agatina  Kingdom of Italy 201 Sunk
28 July 1918 Vesuvio  Kingdom of Italy 5,459 Damaged
29 July 1918 Rio Pallaresa  United Kingdom 4,043 Sunk
5 August 1918 Freshfield  Canada 3,445 Sunk

Notes[edit]

  1. ^ "SM" stands for "Seiner Majestät" (English: His Majesty's) and combined with the U for Unterseeboot would be translated as His Majesty's Submarine.

References[edit]

  1. ^ a b c d e f Helgason, Guðmundur. "WWI U-boats: UC-25". U-Boat War in World War I. Uboat.net. Retrieved 22 February 2009. 
  2. ^ a b c d e f g Tarrant, p. 173.
  3. ^ a b c d e f g h Gardiner, p. 182.
  4. ^ "Johannes Feldkirchner". Uboat.net. Retrieved 15 February 2015. 
  5. ^ "Walter Lippold". Uboat.net. Retrieved 15 February 2015. 
  6. ^ "Freiherr Ernst von Wangenheim". Uboat.net. Retrieved 15 February 2015. 
  7. ^ "Karl Dönitz (Royal House Order of Hohenzollern)". Uboat.net. Retrieved 15 February 2015. 
  8. ^ Karl Dönitz
  9. ^ "SM UC-25 successes". UBoat.net. Retrieved 15 February 2015. 

Bibliography[edit]

  • Bendert, Harald (2001). Die UC-Boote der Kaiserlichen Marine 1914-1918. Minenkrieg mit U-Booten (in German). Hamburg, Berlin, Bonn: Mittler. ISBN 3-8132-0758-7.