type submarine boat german_imperial_navy german kaiserliche_marine world war sold german und war austro hungarian service dropped known member austro hungarian class ordered july laid shipyard bremen september little feet length displaced tonnes long tons depending surfaced submerged equipped carry complement torpedoes bow torpedo tubes centimeter deck gun group submarines selected mediterranean service broken sized components shipped assembled launched june commissioned july year boat sank ships included french battleship use german_imperial_navy having difficulties finding trained submarine crews offered sell sister boat terms agreed june boats handed commissioned austro hungarian navy designation dropped sank additional ships austro hungarian service end war ceded france war broken year design construction german design improved design boats ordered september service boats found small slow major problem single propeller shaft engine combo component failed boat totally disabled flaw boats featured twin propeller shafts twin engines shaft engine increased boat speed new design included powerful batteries larger torpedo tubes deck gun boat carry twice torpedo load counterparts nearly times fuel contain changes hull larger surface submerged displacement double boats imperial_german_navy ordered july final boat series boats numbered submarine numerically metres long metres single hull saddle tanks draught metres surfaced displaced tonnes long tons submerged tonnes long tons surface submarine equipped twin diesel engines twin electric motors surfaced submerged running respectively surface speed knots mph fast knots mph underwater boat carry tonnes long tons diesel fuel giving range nautical miles knots mph electric motors batteries provided range nautical miles knots mph submerged equipped centimeter bow torpedo tubes carry torpedoes boat armed deck gun laid bremen shipyard september boats selected service mediterranean construction broken sized components shipped overland austro hungarian port shipyard workers assembled boat sisters launched june german_imperial_navy career commissioned german_imperial_navy july command boat command assigned navy german remained german career flotilla based site main base boats flotilla operated austro hungarian base located farther south closer mediterranean german boats typically returned repairs august achieved success sank italian steamer south italy germany formally war days german boats mediterranean routinely attacked italian vessels posing submarines flying ensign country navy ocean liner gross register tons grt passenger service new_york genoa italian merchant vessels armed submarine attacks time sinking service italian government carrying passengers casualties reported attack weeks later scored triple kill sinking ships day british steamer route malta carrying coal cargo sent nautical miles west southwest september attacked british steamer nautical miles away sending ship cargo canadian headed ship greek ship headed cyprus liverpool sunk vicinity casualties ships crews rescued landed september october sank largest ship career torpedoed line steamer position nautical miles east malta foot long foot wide nicknamed bath ship civilian days number passenger showers grt fifth largest ship sunk boat world war service february carrying troops time attack hospital ship dover castle picked survivors men killed attack success came week later october ton british steamer sunk west malta loss men german military announcement october proclaiming sinking ship reported cargo included horses serbian following day british ship headed alexandria torpedoed southeast german admiralty reported sunk captain able ground ship prevent sinking october sank small italian sailing vessels ranging size tons near syracuse sicily day closed month october sinking greek steamer tally sunken ships month october came gross register tons accounted nearly total sunk german boats mediterranean patrol december came french pre dreadnought battleship screened light cruisers naval nonetheless able sink ton displacement ship east men killed initial explosion men died aftermath normal complement men days later new year day torpedoed sank line ship service british position nautical miles command captain command liner sunk ton troops sunk heavy weather time sinking officers men crewmen killed attack like largest ships sunk boats 20th largest sunk days attack torpedoed damaged british steamer killing person process north german lloyd liner captured british naval forces mediterranean august like built bremen march torpedoed damaged british steamer near killing men process week later march sank ship helm georgian sent nautical miles british ship rated gross register tons carrying government stores crew perished attack april replaced commanding officer week assuming boat command year old scored success sinking greek day sailing ballast new_york sunk northwest crete explosive charge placed crew carrying load wheat new_york shelled sunk nautical miles days later british ship torpedoed nautical miles master headed taken prisoner sank greek destroyer class destroyer tonnes long tons displacement june seized french october operating french ship french crew torpedoed sunk sailors died attack days later sank italian sailing ships grt east sicily days later attacked japanese steamer cargo wheat delivery italy torpedoed ship crete sicily ship sunk german service july decommissioned handed german_imperial_navy career year sank merchant ships totaling grt damaged ships grt sank warships combined displacement tonnes long tons service november german_imperial_navy having hard time finding trained submarine crews find ally austria-hungary interested purchasing mediterranean submarines general agreement led protracted negotiations stalled outflow austro hungarian gold reserves germany details worked parties agreed sale sister ship austria-hungary june handed germans july worn condition despite rough condition boat boat commissioned austro hungarian navy july dropping boat designation installed boat new commander success austro hungarian service came nearly months later january torpedoed french steamer short destination early april hugo von replaced commander month later achieved success commander british steamer grt ship built sunk north libya man killed victory von came september 20th launched torpedo attack submarine sinking french boat end war career sank merchant ships gross register tons sank single warship tonnes long tons displacement ceded france war towed broken year summary raiding history austro hungarian
SM UB-47