SM U-65 was one of the 329 submarines serving in the Imperial German Navy in World War I. U-65 was engaged in the naval warfare and took part in the First Battle of the Atlantic.
Operations U-65. Kaptlt. Hermann von Fischel. On completion at Kiel did trials at Kiel School about May and June 1916, afterwards proceeding to the North Sea to join 4th Flotilla.
? 11–14 July 1916. North Sea patrol. 16–24 July 1916. North Sea patrol. 17–21 August 1916. North Sea patrol, attacked minesweeper Haldon 20 August. 3–4 September 1916. North Sea patrol. Returned with defects. 26 October – 19 November 1916. To Mediterranean, northabout. Engaged by armed yacht in . Sank nothing. On arrival at Cattaro joined the Pola-Cattaro Flotilla. 28 November – 7 December 1916. Left Cattaro and on 1 December probably sank a steamer. On 4 December sank British SS Caledonia in . The submarine was badly rammed by Caledonia and appears to have returned home immediately on the surface. 17 February 1917. Sank troopship (12,644 tons). 754 casualties. 29 March – 19/20 April 1917. In western Mediterranean sank 4 steamships, 5 sailing vessels (13,000 tons). 14 May – 9 June 1917. Possible cruise of U-65. After leaving Cattaro submarine damaged cruiser by torpedo on 15 May in . She then sank 7 steamers and 12 sailing vessels in the central Mediterranean. 6 June, she was reported off Cape Passaro, 7 June in the vicinity of Straits of Messina, and 8 June was possibly attacked by seaplane in . The next cruise of U-65 which can be reconstructed with probability was from 10 to 31 January or 1 February 1918. On this cruise she sank 2 steamers and 1 sailing vessel, and was twice attacked from the air and once by depth-charged by Campanula, which she missed by torpedo. A later possible cruise was for about the first 3 weeks of September 1918, on which she sank 4 steamers and damaged 4 more, between longitudes 8° and 17°E. At the end of October 1918 she was scuttledNA, HW 7/3, p.230, states U-65 was "blown up". Handelskrieg, Vol 5, p.227, names 10 submarines, including U-65, which were all in a state beyond repair and were destroyed at the evacuation of the Austrian submarine bases: "... some of them were blown up in their bases, some were scuttled at sea in the vicinity of their bases." Uboat.net says she was "scuttled", but gives no source or reference for this. by the Germans at Pola or Cattaro.
Summary of raiding history DateNameNationalityTonnageTonnages are in gross register tonsFate4 December 1916Caledonia9,223Sunk17 February 1917Athos12,644Sunk24 February 1917Venere290Sunk28 February 1917Emancipato30Sunk1 March 1917Nicolaos1,215Sunk1 March 1917Teresina212Sunk2 March 1917S. Vincenzo F.52Sunk6 March 1917Porto Di Smirne2,576Sunk1 April 1917Maria T.45Sunk1 April 1917Maria Santissima D. Grazie35Sunk2 April 1917Britannia3,129Sunk3 April 1917Maria Ferrara106Sunk5 April 1917Calliope3,829Sunk7 April 1917Trefusis2,642Sunk8 April 1917Lucia138Sunk8 April 1917Papa Gian Battista138Sunk11 April 1917Tremorvah3,654Sunk12 April 1917Angela M.187Sunk21 May 1917Ampleforth3,873Sunk21 May 1917Don Diego3,632Sunk23 May 1917England3,798Sunk23 May 1917Febronia Maria Antonina55Sunk24 May 1917Sant Antonio Di Padova184Sunk25 May 1917Diego Russo113Sunk25 May 1917Natale Monaco57Sunk25 May 1917Rosina R.54Sunk25 May 1917Vincenzino C.55Sunk26 May 1917Angelo Padre50Sunk26 May 1917Umaria5,317Sunk27 May 1917Luigi137Sunk27 May 1917Maria Giuseppe26Sunk4 June 1917Manchester Trader3,938Sunk7 June 1917Rosa M.65Sunk5 July 1917Ciboure2,388Sunk6 July 1917Roma53Sunk8 July 1917L'Immortale Leone133Sunk24 November 1917Enna1,814Sunk1 December 1917Citta Di Sassari2,167Sunk2 December 1917Carlino95Sunk2 December 1917La Margherita41Sunk2 December 1917San Antonio Il Vittorioso45Sunk3 December 1917Angelo542Damaged25 January 1918Giuseppe O.74Sunk27 June 1918Sotolongo3,009Sunk1 July 1918Monte Cristo622Sunk4 July 1918Merida5,951Damaged2 September 1918San Andres3,314Sunk12 September 1918Chao Chow Fu1,909Damaged12 September 19181,498Sunk14 September 1918Ioanna No. 459Sunk15 September 1918Ioanna No. 3717Sunk
See also Room 40 Anti-submarine warfare U-boat Campaign (World War I)
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External links Photos of cruises of German submarine U-54 in 1916-1918. A 44 min. German film from 1917 about a cruise of the German submarine U-35.
Room 40: original documents, photos and maps about World War I German submarine warfare and British Room 40 Intelligence from The National Archives, Kew, Richmond, UK.