SM UB-105 was a German Type UB III submarine or U-boat in the Imperial German Navy during World War I. She was commissioned into the Imperial German Navy on 14 January 1918 as SM UB-105.

UB-105 was surrendered to Britain on 16 January 1919 and broken up in Felixstowe in 1922.

Construction

She was built by Blohm & Voss of Hamburg and following just under a year of construction, launched at Hamburg on 7 July 1917. UB-105 was commissioned early the next year under the command of Kptlt. Wilhelm Marschall. Like all Type UB III submarines, UB-105 carried 10 torpedoes and was armed with a deck gun. UB-105 would carry a crew of up to 3 officer and 31 men and had a cruising range of . UB-105 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

DateNameNationalityTonnageMerchant ship tonnages are in gross register tons. Military vessels are listed by tons displacement.Fate23 April 1918Restaurado136Sunk24 April 1918Leonor166Sunk25 April 1918HMS Cowslip1,290Sunk29 April 1918City of Pensacola705Sunk29 April 1918Kut Sang4,895Sunk30 April 1918Conway4,003Sunk3 June 1918Nora3,933Sunk5 June 1918HMS Snaefell1,368Sunk6 June 1918Archbank3,767Sunk6 June 1918Menzaleh1,859Sunk9 June 1918Clan Forbes3,946Sunk9 June 1918Pundit5,917Sunk9 June 1918Tewfikieh2,490Sunk14 July 1918Branksome Hall4,262Sunk14 July 1918Waitemata5,432Sunk14 July 1918Djemnah3,716Sunk19 July 1918Eguskia1,181Sunk18 September 1918Antonietta93Sunk20 September 1918Angelina Pasquale29Sunk20 September 1918San Michele24Sunk21 September 1918Santo Fortunato24Sunk3 October 1918Ariel3,428Sunk3 October 1918Saint Luc2,456Sunk7 October 1918Madeira4,792Sunk7 October 1918Saint Barnabe5,184Sunk12 October 1918Tripoli II958Sunk

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