SM ''UC-29'' was a German Type UC II

minelaying A minelayer is any warship, submarine, military aircraft or land vehicle deploying explosive mines. Since World War I the term "minelayer" refers specifically to a naval ship used for deploying naval mines. "Mine planting" was the term for ins ...

submarine A submarine (often shortened to sub) is a watercraft capable of independent operation underwater. (It differs from a submersible, which has more limited underwater capability.) The term "submarine" is also sometimes used historically or infor ...

U-boat U-boats are Submarine#Military, naval submarines operated by Germany, including during the World War I, First and Second World Wars. The term is an Anglicization#Loanwords, anglicized form of the German word , a shortening of (), though the G ...

in the

German Imperial Navy The Imperial German Navy or the ''Kaiserliche Marine'' (Imperial Navy) was the navy of the German Empire, which existed between 1871 and 1919. It grew out of the small Prussian Navy (from 1867 the North German Federal Navy), which was mainly f ...

() during

World War I World War I or the First World War (28 July 1914 – 11 November 1918), also known as the Great War, was a World war, global conflict between two coalitions: the Allies of World War I, Allies (or Entente) and the Central Powers. Fighting to ...

. The U-boat was ordered on 29 August 1915 and was

launch Launch or launched may refer to: Involving vehicles * Launch (boat), one of several different sorts of boat ** Motor launch (naval), a small military vessel used by the Royal Navy * Air launch, the practice of dropping an aircraft, rocket, or ...

ed on 15 July 1916. She was

commission In-Commission or commissioning may refer to: Business and contracting * Commission (remuneration), a form of payment to an agent for services rendered ** Commission (art), the purchase or the creation of a piece of art most often on behalf of anot ...

ed into the German Imperial Navy on 15 August 1916 as SM ''UC-29''."SM" stands for "Seiner Majestät" () and combined with the ''U'' for ''Unterseeboot'' would be translated as ''His Majesty's Submarine''. In an eight-month career, the ''UC-29'' performed seven combat patrols into the

Atlantic Ocean The Atlantic Ocean is the second largest of the world's five borders of the oceans, oceanic divisions, with an area of about . It covers approximately 17% of Earth#Surface, Earth's surface and about 24% of its water surface area. During the ...

during the German war on Allied trade (''

Handelskrieg The U-boat campaign from 1914 to 1918 was the World War I naval campaign fought by German U-boats against the trade routes of the Allies, largely in the seas around the British Isles and in the Mediterranean, as part of a mutual blockade betwe ...

''). In these patrols she was very successful, sinking 18 allied ships, totalling 21,909 GRT. She also damaged 4 ships of 17,154 GRT. On 7 June 1917 she torpedoed the British

Q-ship Q-ships, also known as Q-boats, decoy vessels, special service ships, or mystery ships, were heavily armed merchantman, armed merchant ships with concealed weaponry, designed to lure submarines into making surface attacks. This gave Q-ships the c ...

off the Irish coast, but was ambushed by her hidden armaments when she approached too close and was sunk with 23 hands. ''Pargust'' was commanded by British submarine hunter Gordon Campbell and had on board Ronald Niel Stuart and William Williams, who were awarded the

Victoria Cross The Victoria Cross (VC) is the highest and most prestigious decoration of the Orders, decorations, and medals of the United Kingdom, British decorations system. It is awarded for valour "in the presence of the enemy" to members of the British ...

for their actions in the engagement. Her wreck lies in

Cork Harbour Cork Harbour () is a natural harbour and river estuary at the mouth of the River Lee (Ireland), River Lee in County Cork, Ireland. It is one of several which lay claim to the title of "second largest natural harbour in the world by navigational ...

, Ireland. rish Wrecks Online http://www.irishwrecksonline.net/Lists/CorkListC.htm/ref>

Design

A Type UC II submarine, ''UC-29'' had a displacement of when at the surface and while submerged. She had a

length overall Length overall (LOA, o/a, o.a. or oa) is the maximum length of a vessel's hull measured parallel to the waterline. This length is important while docking the ship. It is the most commonly used way of expressing the size of a ship, and is also ...

of , a

beam Beam may refer to: Streams of particles or energy *Light beam, or beam of light, a directional projection of light energy **Laser beam *Radio beam *Particle beam, a stream of charged or neutral particles **Charged particle beam, a spatially lo ...

of , and a draught of . The submarine was powered by two six-cylinder four-stroke diesel engines each producing (a total of ), two

electric motor An electric motor is a machine that converts electrical energy into mechanical energy. Most electric motors operate through the interaction between the motor's magnetic field and electric current in a electromagnetic coil, wire winding to gene ...

s producing , and two

propeller shaft A drive shaft, driveshaft, driving shaft, tailshaft (Australian English), propeller shaft (prop shaft), or Cardan shaft (after Girolamo Cardano) is a component for transmitting mechanical power, torque, and rotation, usually used to connect o ...

s. She had a dive time of 48 seconds and was capable of operating at a depth of . The submarine had a maximum surface speed of and a submerged speed of . When submerged, she could operate for at ; when surfaced, she could travel at . ''UC-29'' was fitted with six mine tubes, eighteen UC 200 mines, three

torpedo tube A torpedo tube is a cylindrical device for launching torpedoes. There are two main types of torpedo tube: underwater tubes fitted to submarines and some surface ships, and deck-mounted units (also referred to as torpedo launchers) installed aboa ...

s (one on the stern and two on the bow), seven torpedoes, and one Uk L/30

deck gun A deck gun is a type of naval artillery mounted on the deck of a submarine. Most submarine deck guns were open, with or without a shield; however, a few larger submarines placed these guns in a turret. The main deck gun was a dual-purpose w ...

. Her

complement Complement may refer to: The arts * Complement (music), an interval that, when added to another, spans an octave ** Aggregate complementation, the separation of pitch-class collections into complementary sets * Complementary color, in the visu ...

was twenty-six crew members.

Summary of raiding history

References

Notes

Citations

Bibliography

* * * * {{DEFAULTSORT:Uc029 Ships built in Hamburg German Type UC II submarines U-boats commissioned in 1916 Maritime incidents in 1917 U-boats sunk in 1917 U-boats sunk by British warships World War I minelayers of Germany World War I shipwrecks in the Atlantic Ocean World War I submarines of Germany 1916 ships