SM UB-38 was a German Type UB II submarine or U-boat in the German Imperial Navy () during World War I.
Design A Type UB II submarine, UB-38 had a displacement of when at the surface and while submerged. She had a total length of , a beam of , and a draught of . The submarine was powered by two Körting six-cylinder diesel engines producing a total , two Siemens-Schuckert electric motors producing , and one propeller shaft. She was capable of operating at depths of up to .
The submarine had a maximum surface speed of and a maximum submerged speed of . When submerged, she could operate for at ; when surfaced, she could travel at . UB-38 was fitted with two torpedo tubes, four torpedoes, and one Uk L/30 deck gun. She had a complement of twenty-one crew members and two officers and a 42-second dive time.
Construction and career The U-boat was ordered on 22 July 1915 and launched on 1 April 1916. She was commissioned into the German Imperial Navy on 19 July 1916 as SM UB-38.
The submarine sank 47 ships in 21 patrols. UB-38 struck a mine and sank in the English Channel on 8 February 1918.
Summary of raiding history DateNameNationalityTonnageTonnages are in gross register tonsFate30 September 1916Irma844Sunk30 September 1916Pearl144Sunk1 October 1916Le Pelerin31Sunk1 October 1916Cap Mazagan789Sunk1 October 1916Le Blavet1,010Sunk1 October 1916Mallin468Sunk1 October 1916Musette245Sunk3 October 1916La Fraternite477Sunk4 October 1916Cantatrice109Sunk5 October 1916Cederic1,129Sunk5 October 1916Rosenvold758Sunk13 November 1916Bernicia957Sunk13 November 1916Caterham1,912Sunk13 November 1916Riquette164Sunk13 November 1916Saint Nicolas261Sunk14 November 1916Polpedn1,510Sunk14 November 1916Professeur Jalaguier223Sunk14 November 1916Ullvang639Sunk12 December 1916Coath975Sunk12 December 1916Conrad164Sunk15 December 1916Naiad1,907Sunk17 December 1916Ason2,083Sunk19 December 1916Ocean339Sunk15 January 1917Independent153Sunk16 January 1917Manuel2,419Sunk18 January 1917Asp1,759Sunk19 January 1917Lillian H.467Sunk11 February 1917Dalmata1,773Sunk11 April 1917Precedent36Sunk12 April 1917Lismore1,305Sunk13 April 1917Maria175Sunk26 April 1917Kong Oscar II842Sunk27 April 1917Jessie108Sunk1 May 1917Ladywood2,314Sunk4 May 1917Aghios Nikolaos2,231Sunk4 May 1917Assos2,840Sunk4 May 1917Joseph205Sunk24 May 1917Gudrun1,472Sunk24 May 1917Thyra285Sunk20 August 1917Claverley3,829Sunk26 August 1917W. H. Dwyer1,770Sunk15 September 1917Dependence120Sunk21 September 1917Aline Montreuil1,624Sunk19 October 1917Teespool4,577Damaged20 October 1917Algarve1,274Sunk13 December 1917Ottokar957Sunk5 January 1918Birtley1,438Sunk3 February 1918Lofoten942Sunk
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