''Osdorf'' was a German fishing trawler that was built in 1921 as ''Rendsburg''. Renamed in 1939, she was requisitioned by the

Kriegsmarine The (, ) was the navy of Germany from 1935 to 1945. It superseded the Imperial German Navy of the German Empire (1871–1918) and the inter-war (1919–1935) of the Weimar Republic. The was one of three official branches, along with the a ...

in the Second World War for use as a '' Vorpostenboot'', serving as V 311 ''Osdorf''. Restored to her ownes post-war, she was sold to Norway in 1951 and converted to a cargo ship, renamed ''Vestland''. She was renamed ''Sirabuen'' in 1952, serving until 1956 when she was lost in a collision.

Description

As built, the ship long, with a beam of . She had a depth of and a draught of . She was assessed at , . She was powered by a triple expansion steam engine, which had cylinders of , and diameter by stroke. The engine was built by

H. C. Stülcken Sohn H. C. Stülcken Sohn (also known as Stülcken-Werft) was a German shipbuilding company located in Hamburg and founded in 1846 by Heinrich Christoph Stülcken.ANONYMOUS (1964): H.C. Stülcken, Shipyard and Mechanical Workshop. Hamburg. During Wo ...

, Hamburg, Germany. It was rated at 58 nhp. It drove a single screw propeller, and could propel the ship at .

History

''Rendsburg'' was built as yard number 523 by H. C. Stülcken Sohn, Hamburg for N. Ebeling, Altona, Germany. She was launched on 1 September 1921 and completed on 11 November. The

fishing boat registration Port letter and number (PLN) is a code identifying fishing vessels and other boat A boat is a watercraft of a large range of types and sizes, but generally smaller than a ship, which is distinguished by its larger size, shape, cargo or passe ...

SD 112 was allocated, as were the

Code Letters Code letters or ship's call sign (or callsign) Mtide Taurus - IMO 7626853"> SHIPSPOTTING.COM >> Mtide Taurus - IMO 7626853/ref> were a method of identifying ships before the introduction of modern navigation aids and today also. Later, with the i ...

LDFS. On 9 March 1932, her registration was changed to BX 220, and her port of registry was changed to Bremerhaven. In 1934, her Code Letters were changed to DQPP, On 17 October 1939, she was sold to Andersen & Co, Hamburg and was renamed ''Osdorf''. The registration HH 259 was allocated. She participated in Operation Weserübung in 1940. On 20 April 1941, ''Osdorf'' was requisitioned by the

for use as a '' vorpostenboot''. She was allocated to 3 ''Vorpostenflotille'' as V 311 ''Osdorf''. She was returned to her owners post-war. On 4 July 1951, she was sold to Trygve Klonvig,

Haugesund Haugesund () is a municipality on the North Sea in Rogaland county, Norway. While the population is greater in the neighboring Karmøy municipality, the main commercial and economic centre of the Haugaland region in northern Rogaland and southern ...

, Norway. Re-engined with a diesel engine, she was renamed ''Vestland''. The engine was a

4-stroke A four-stroke (also four-cycle) engine is an internal combustion (IC) engine in which the piston completes four separate strokes while turning the crankshaft. A stroke refers to the full travel of the piston along the cylinder, in either directio ...

single cycle single action diesel engine, It had eight cylinders of diameter by stroke. The engine was built by the National Supply Co.,

Springfield, Ohio Springfield is a city in the U.S. state of Ohio and the county seat of Clark County, Ohio, Clark County. The municipality is located in southwestern Ohio and is situated on the Mad River (Ohio), Mad River, Buck Creek, and Beaver Creek, approxim ...

, United. States. She was now assessed at , . Her port of registry was Haugesund and the Code Letters LAIG were allocated. In 1952, she was renamed ''Sirabuen''. On 10 January 1956, she collided with the Brazilian

steamship A steamship, often referred to as a steamer, is a type of steam-powered vessel, typically ocean-faring and seaworthy, that is propelled by one or more steam engines that typically move (turn) propellers or paddlewheels. The first steamships ...

off

Kijkduin Kijkduin en Ockenburgh is a Dutch subdistrict of the Loosduinen district in The Hague. The subdistrict is located in the western part of The Hague at the municipal border of Monster. The area is bordered by the North Sea, an imaginary line betwe ...

South Holland South Holland ( nl, Zuid-Holland ) is a province of the Netherlands with a population of over 3.7 million as of October 2021 and a population density of about , making it the country's most populous province and one of the world's most densely ...

, Netherlands and sank with the loss of seven of her eight crew. Her captain was rescued by ''Loide Venezuela''.

References

Sources

* {{1956 shipwrecks 1921 ships Ships built in Hamburg Fishing vessels of Germany Steamships of Germany Auxiliary ships of the Kriegsmarine Fishing vessels of West Germany Steamships of West Germany Merchant ships of Norway Maritime incidents in 1956 Shipwrecks of the Netherlands