SM UB-52 was a German Type UB III submarine or U-boat in the German Imperial Navy () during World War I. She was commissioned into the Pola Flotilla of the German Imperial Navy on 9 August 1917 as SM UB-52.
She operated as part of the Pola Flotilla based in Cattaro. UB-52 was sunk by torpedo on 23 May 1918 at by the British submarine enforcing the Otranto Barrage at the southern end of the Adriatic, with all hands lost.
Construction
UB-52 was ordered by the GIN on 20 May 1916. She was built by Blohm & Voss, Hamburg and following just under a year of construction, launched at Hamburg on 8 March 1917. UB-52 was commissioned later that same year under the command of Oblt.z.S. Otto Launburg.
Like all Type UB III submarines, UB-52 carried 10 torpedoes and was armed with a deck gun. UB-52 would carry a crew of up to 3 officer and 31 men and had a cruising range of . UB-52 had a displacement of while surfaced and when submerged. Her engines enabled her to travel at when surfaced and when submerged.
Summary of raiding history DateNameNationalityTonnageTonnages are in gross register tonsFate30 January 1918Empress Ekaterina II5,545Sunk1 February 1918La Dives2,108Sunk4 February 1918Maid of Harlech315Sunk4 February 1918Sardinia6,580Damaged5 February 1918HMS Rosina Ferrara227Damaged9 February 1918Antenor5,319Damaged18 February 1918Basque3,261Damaged20 February 1918Balgray3,603Sunk20 February 1918Zeno2,890Sunk17 March 1918Ivydene3,541Sunk18 March 1918John H. Barry3,083Sunk18 March 1918Saldanha4,594Sunk4 April 1918Sincerita1,722Sunk2 May 1918Flawyl3,592Sunk9 May 1918Atlantique6,479Damaged11 May 1918Suzette Fraissinet2,288Sunk12 May 19188,130Sunk18 May 1918Media5,437Damaged
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