SM UC-18 Contents Design Summary of raiding history References Navigation menu"WWI U-boats: UC 18""WWI...

UC-16UC-17UC-18UC-19UC-20UC-21UC-22UC-23UC-24UC-25UC-26UC-27UC-28UC-29UC-30UC-31UC-32UC-33UC-34UC-35UC-36UC-37UC-38UC-39UC-40UC-41UC-42UC-43UC-44UC-45UC-46UC-47UC-48UC-49UC-50UC-51UC-52UC-53UC-54UC-55UC-56UC-57UC-58UC-59UC-60UC-61UC-62UC-63UC-64UC-65UC-66UC-67UC-68UC-69UC-70UC-71UC-72UC-73UC-74UC-75UC-76UC-77UC-78UC-79HM Armed Smack InverlyonElikonCaliforniaSaint NinianHMS GhurkaSM UC-39SM UC-46MantolaAfricSMS GeierMinasAthosSM U-83SM UC-18HMS MendiAjaxSM UC-32Laconia


Ships built in HamburgGerman Type UC II submarinesU-boats commissioned in 1916Maritime incidents in 1917U-boats sunk by British warshipsU-boats sunk in 1917World War I minelayers of GermanyWorld War I shipwrecks in the English ChannelWorld War I submarines of Germany1916 shipsShips lost with all hands1917 disasters in the United Kingdom


Type UC IIminelayingsubmarineU-boatGerman Imperial NavyGermanWorld War IlaunchedcommissionedminesQ shipGerman Type UC II submarineslength overallbeamdraughtelectric motorspropeller shaftstorpedo tubes8.8 cm (3.5 in) Uk L/30deck guncomplement












































































































History

German Empire
Name:
UC-18
Ordered:
26 August 1915[1]
Builder:
Blohm & Voss, Hamburg[2]
Yard number:
268[1]
Launched:
4 March 1916[1]
Commissioned:
15 August 1916[1]
Fate:
sunk by British Q ship, 19 February 1917[1]
General characteristics [3]
Class and type:
German Type UC II submarine
Displacement:

  • 417 t (410 long tons), surfaced

  • 493 t (485 long tons), submerged


Length:

  • 49.35 m (161 ft 11 in) o/a

  • 39.30 m (128 ft 11 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, 500 PS (370 kW; 490 bhp)

  • 2 × electric motors, 460 PS (340 kW; 450 shp)


Speed:

  • 11.6 knots (21.5 km/h; 13.3 mph), surfaced

  • 7.0 knots (13.0 km/h; 8.1 mph), submerged


Range:

  • 9,430 nautical miles (17,460 km; 10,850 mi) at 7 knots (13 km/h; 8.1 mph), surfaced

  • 55 nautical miles (102 km; 63 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:
35-second diving time
Service record
Part of:

  • Flandern Flotilla

  • 19 October 1916 – 19 February 1917


Commanders:


  • Oblt.z.S. Wilhelm Kiel[4]

  • 15 August 1916 – 19 February 1917


Operations:
6 patrols
Victories:

  • 31 merchant ships sunk (41,972 GRT)

  • 3 merchant ships damaged (21,157 GRT)

  • 4 warships sunk (1,659 tons)



SM UC-18 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 26 August 1915 and was launched on 4 March 1916. She was commissioned into the German Imperial Navy on 15 August 1916 as SM UC-18.[Note 1] In 6 patrols UC-18 was credited with sinking 35 ships, either by torpedo or by mines laid. UC-18 was sunk by the British Q ship Lady Olive on 19 February 1917.[1]




Contents






  • 1 Design


  • 2 Summary of raiding history


  • 3 References


    • 3.1 Notes


    • 3.2 Citations


    • 3.3 Bibliography







Design


Like all pre-UC-25 German Type UC II submarines, UC-18 had a displacement of 417 tonnes (410 long tons) when at the surface and 493 tonnes (485 long tons) while submerged. She had a length overall of 49.35 m (161 ft 11 in), a beam of 5.22 m (17 ft 2 in), and a draught of 3.65 m (12 ft). The submarine was powered by two six-cylinder four-stroke diesel engines each producing 250 metric horsepower (180 kW; 250 shp) (a total of 500 metric horsepower (370 kW; 490 shp)), two electric motors producing 460 metric horsepower (340 kW; 450 shp), and two propeller shafts. She had a dive time of 35 seconds and was capable of operating at a depth of 50 metres (160 ft).[3]


The submarine had a maximum surface speed of 11.6 knots (21.5 km/h; 13.3 mph) and a submerged speed of 7 knots (13 km/h; 8.1 mph). When submerged, she could operate for 55 nautical miles (102 km; 63 mi) at 4 knots (7.4 km/h; 4.6 mph); when surfaced, she could travel 9,430 nautical miles (17,460 km; 10,850 mi) at 7 knots (13 km/h; 8.1 mph). UC-18 was fitted with six 100 centimetres (39 in) mine tubes, eighteen UC 200 mines, three 50 centimetres (20 in) torpedo tubes (one on the stern and two on the bow), seven torpedoes, and one 8.8 cm (3.5 in) Uk L/30 deck gun. Her complement was twenty-six crew members.[3]



Summary of raiding history













































































































































































































































































Date
Name
Nationality
Tonnage[Note 2]
Fate[5]
3 November 1916

HMT Glenprosen

 Royal Navy
224
Sunk
5 November 1916

HMT Cantatrice

 Royal Navy
302
Sunk
9 November 1916

HMS Fair Maid

 Royal Navy
432
Sunk
9 November 1916

Marga

 United Kingdom
674
Sunk
10 November 1916

H.m.w.

 United Kingdom
93
Sunk
13 November 1916

Lilloise

 France
165
Sunk
15 November 1916

Lake Michigan

 United Kingdom
9,288
Damaged
16 November 1916

Trevarrack

 United Kingdom
4,199
Sunk
11 December 1916

Inger

 Denmark
786
Sunk
14 December 1916

Glencoe

 United Kingdom
2,560
Sunk
14 December 1916

Leca

 Portugal
1,911
Sunk
15 December 1916

Rogn

 Norway
1,028
Sunk
17 December 1916

Cascais

 Portugal
835
Sunk
17 December 1916

Immaculee Conception

 France
246
Sunk
17 December 1916

Prima

 Norway
1,233
Sunk
17 December 1916

Prosper Leon

 France
42
Sunk
17 December 1916

Saint Yves

 France
325
Sunk
18 December 1916

Kansan

 United States
7,913
Damaged
22 December 1916

Amedee

 France
130
Sunk
22 December 1916

Dansborg

 Denmark
2,242
Sunk
22 December 1916

Hroptatyr

 Denmark
1,300
Sunk
12 January 1917

Saint Michel

 France
419
Sunk
13 January 1917

Toftwood

 United Kingdom
3,082
Sunk
14 January 1917

Martin

 United Kingdom
1,904
Sunk
15 January 1917

Bernadette

 France
128
Sunk
15 January 1917

Otto

 Norway
401
Sunk
16 January 1917

City of Tampico

 Norway
1,513
Sunk
17 January 1917

Jeune France

 France
126
Sunk
17 January 1917

Valle

 Spain
2,365
Sunk
18 January 1917

Louis Joseph

 France
197
Sunk
18 January 1917

Louise

 France
101
Sunk
19 January 1917

Klampenborg

 Denmark
1,785
Sunk
19 January 1917

Parahyba

 Uruguay
2,606
Sunk
20 January 1917

Phoebe

 France
3,956
Damaged
22 January 1917

Aurelie

 France
89
Sunk
18 February 1917

Netherton

 United Kingdom
199
Sunk
19 February 1917

HMS Lady Olive

 Royal Navy
701
Sunk


References



Notes





  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.


  2. ^ Merchant ship tonnages are in gross register tons. Military vessels are listed by tons displacement.




Citations





  1. ^ abcdef Helgason, Guðmundur. "WWI U-boats: UC 18". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 22 February 2009..mw-parser-output cite.citation{font-style:inherit}.mw-parser-output .citation q{quotes:"""""""'""'"}.mw-parser-output .citation .cs1-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/6/65/Lock-green.svg/9px-Lock-green.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .citation .cs1-lock-limited a,.mw-parser-output .citation .cs1-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Lock-gray-alt-2.svg/9px-Lock-gray-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .citation .cs1-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Lock-red-alt-2.svg/9px-Lock-red-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration{color:#555}.mw-parser-output .cs1-subscription span,.mw-parser-output .cs1-registration span{border-bottom:1px dotted;cursor:help}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Wikisource-logo.svg/12px-Wikisource-logo.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output code.cs1-code{color:inherit;background:inherit;border:inherit;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;font-size:100%}.mw-parser-output .cs1-visible-error{font-size:100%}.mw-parser-output .cs1-maint{display:none;color:#33aa33;margin-left:0.3em}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration,.mw-parser-output .cs1-format{font-size:95%}.mw-parser-output .cs1-kern-left,.mw-parser-output .cs1-kern-wl-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right,.mw-parser-output .cs1-kern-wl-right{padding-right:0.2em}


  2. ^ Tarrant, p. 173.


  3. ^ abc Gröner 1991, pp. 31-32.


  4. ^ Helgason, Guðmundur. "WWI U-boat commanders: Wilhelm Kiel". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 9 February 2015.


  5. ^ Helgason, Guðmundur. "Ships hit by UC-18". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 9 February 2015.




Bibliography


.mw-parser-output .refbegin{font-size:90%;margin-bottom:0.5em}.mw-parser-output .refbegin-hanging-indents>ul{list-style-type:none;margin-left:0}.mw-parser-output .refbegin-hanging-indents>ul>li,.mw-parser-output .refbegin-hanging-indents>dl>dd{margin-left:0;padding-left:3.2em;text-indent:-3.2em;list-style:none}.mw-parser-output .refbegin-100{font-size:100%}



  • 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.


  • Gröner, Erich; Jung, Dieter; Maass, Martin (1991). U-boats and Mine Warfare Vessels. German Warships 1815–1945. 2. Translated by Thomas, Keith; Magowan, Rachel. London: Conway Maritime Press. ISBN 0-85177-593-4.


  • Gardiner, Robert, ed. (1985). Conway's All the World's Fighting Ships, 1906–1921. Annapolis, Maryland: Naval Institute Press. ISBN 978-0-87021-907-8. OCLC 12119866.CS1 maint: Extra text: authors list (link)


  • Tarrant, V. E. (1989). The U-Boat Offensive: 1914–1945. Annapolis, Maryland: Naval Institute Press. ISBN 978-0-87021-764-7. OCLC 20338385.










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