M 109 (ship, 1918)

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M 109 (renamed Johann Wittenborg in 1938, Sundevall in 1938and M 509 in 1940) was a minesweeper builtduring the First World War for the Imperial Navy , which had a long career with variable tasks in the Imperial Navy, the Reichsmarine , the Kriegsmarine and the German Had mine clearance service .

Construction and technical data

The boat of the type minesweeper in 1916 ran on August 7, 1918 the shipyard Joh. C. Tecklenborg in Geestemünde from the stack and was on August 29, 1918 as a minesweeper M 109 into service. The boats of this type were 59.30 m long and 7.30 m wide, had a draft of 2.15 m and displaced a maximum of 630 t . They were armed with two 8.8 cm L / 30 guns and could carry and lay up to 30 mines . Two triple expansion steam engines with a total of up to 1850 hp gave them a top speed of 16.5 knots . The boats were at 14 knots cruising speed a range of 2,000 nautical miles .

career

Sundevall

After the end of the First World War, the boat did not have to be delivered to the victorious powers and was initially used in the Reichsmarine in mine search and clearance. In the course of arming the Navy, it was rebuilt, assigned to the Sperrversuchskommando (SVK) in Kiel as a test boat on August 29, 1938 and renamed Johann Wittenborg and on December 2, 1938 Sundevall .

During the German invasion of Poland from September 1, 1939, the Sundevall , together with the four other test boats of the blocking test commandos ( Arkona , Nautilus , Otto Braun and Pelikan ), was part of the naval forces, which was led by Captain Friedrich Ruge , the leader of the minesweepers East (FdMO), carried out mine search and security tasks in the Gdańsk Bay . On September 19, the boat - together with the boats M 3 , M 4 , Nettelbeck , Fuchs , Otto Braun , Pelikan , Arkona , Nautilus and Drache and the ship of the line Schleswig-Holstein - was at the bombardment of the Polish positions near Gdynia (Oxhöfter Kämpe, Ostrowogrund and Hexengrund), which could only then be conquered by army soldiers.

On October 1, 1940, the old boat was renamed the M 509 . On July 15, 1941, it was damaged in the Bay of Kiel by a mine dropped by aircraft of the British RAF , but it was repaired again. In March 1945 it was combined with the other remaining sister boats to form the newly formed 40th minesweeping flotilla in Skagen , which carried out escort and security services in the Skagerrak and Kattegat .

After the end of the war, until October 1946, the flotilla was subordinated to the 3rd mine clearing division of the German mine clearance service responsible for Danish waters . Upon completion of this task, the boat was handed over to the Office of Military Government for Germany (OMGUS) on October 25, 1946 as US spoils of war . After several years of use as a Hulk , it was demolished in August 1950.

Footnotes

  1. ↑ Named after the former mayor of Lübeck Johann Wittenborg († 1363).
  2. ↑ Named after the Prussian admiral Henrik Ludvig Sundevall († 1884).
  3. Jump up ↑ The test boats Nautilus (ex M 81 ), Pelikan (ex M 28 ), Arkona (ex M 115 ), Otto Braun (ex M 129 ), Johann Wittenborg / Sundevall (ex M 109 ), Claus von Bevern belonged to the experimental association of the Sperrversuchskommando (ex V 190 ) and T 155 . See Oliver Krauss: Armaments and armament testing in German naval history with special consideration of the Torpedoversuchsanstalt (TVA). Dissertation, Christian-Albrechts-Universität Kiel, 2006, p. 159, fn. 462.
  4. ↑ http://www.wlb-stuttgart.de/seekrieg/39-08.htm
  5. ↑ http://www.wlb-stuttgart.de/seekrieg/39-08.htm
  6. ↑ Historia Gdyni , section Wybuch Wojny - Okupacja - Wyzwolenie
  7. ↑ This renaming happened at this point in time with practically all remaining boats of the minesweeper type 1916.
  8. ↑ http://www.wlb-stuttgart.de/seekrieg/41-07.htm
  9. ↑ http://www.wlb-stuttgart.de/seekrieg/minen/mrdiv3-frames.htm
  10. ↑ German: Office of the Military Government for Germany (United States)

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