type submarine boat german_imperial_navy german kaiserliche_marine world war sold german und war austro hungarian service dropped known lead boat 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 early april commissioned later month year boat sank ships included oriental liner damaged british cruiser german_imperial_navy having difficulties filling submarine crews trained men offered sell sister boat terms agreed june boats handed commissioned austro hungarian navy designation dropped damaged italian steamer limited 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 accommodate changes boats larger hulls surface submerged twice boats imperial_german_navy ordered july series boats numbered metres long metres single hull saddle tanks draft metres surfaced displaced tonnes long tons submerged tonnes long tons surface submarine equipped twin diesel engines twin electric motors surfaced submerged running respectively drove propeller shaft 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 april german_imperial_navy career commissioned german_imperial_navy april command boat command year old officer 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 command success replaced august weeks command sank ship nautical miles east malta british steamer cargo hay destined torpedoed sunk days later nautical miles closer malta sank pair british ballast headed attacked steamer crew lost lives attack lord carrying general cargo sent loss men wall_street_journal reported sinking lord resulted loss american october sank additional ships october british tanker carrying fuel oil sunk casualties days later men killed torpedoed sank ship british steamer gross register tons grt november british admiralty released report listed victims evidence german wrongdoing according british report lord ships listed torpedoed warning type attack counter german adhere cruiser warfare required ships allowed time crews escape attack commence fifth victim list british ships sunk fired german submarines meantime continued sinking british ships sending day span early november statesman ton steamer carrying general cargo november crewmen killed ship went nautical miles east malta following day ton ton sunk area carrying general cargo bombay sunk casualties seven killed traveling ballast sunk november torpedoed oriental liner nautical miles according contemporary news accounts gunners fired liner torpedoed recorded hits passengers aboard steamer route sydney london attacked rescued hour water liner went minutes torpedo struck died attack including engineers killed initial blast torpedo days sinking sank ton british steamer east malta loss brought boat november tally gross register tons accounted november tally german boats mediterranean sank british december 13th russian westminster 14th escaped destruction laid august cargo sent nautical miles malta russian tons largest ship sunk horse transport ship sailing ballast went crewmen torpedoed westminster boat shelled survivors according authors men westminster died sinking sank ships weeks author reports majority german boats mediterranean fleet undergoing repairs january specific mention repairs boat inactivity period reason submarine warfare february kaiser personally approved resumption submarine warfare order try force british peace new rules engagement specified ship left afloat british reports victims suggest operating manner new rules engagement sank greek steamer nautical miles february carrying london days later turret hull steamer carrying cotton coal london torpedoed sunk attack killed crew ship second engineer taken captive 27th cargo frozen meat sunk libya master taken prisoner 28th japanese steamer sunk nearby nearly month later von sank target march british steamer carrying wheat sunk nautical miles days later greek steamer gross register tons grt sunk ship sunk command april succeeded year old time boat commander command sunk gross register tons grt merchant shipping sank american owned british tanker carrying load fuel oil according report new_york_times ton vessel valued finest sent days later british steamer crewmen died attack later month greek steamer cargo wheat sunk nautical miles cap final attack note cruiser torpedoed nautical miles east malta damaged suffered casualties long ton british ship brought safely port malta july decommissioned handed german_imperial_navy career fourteen months sank merchant ships totaling gross register tons grt damaged warship 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 designation installed new commander boat remained months undergoing repairs departing port november way went patrol torpedoed italian steamer november italian ship sink towed safety taranto november leak partially flooded boat caused sink depth metres bought control raised surface flooding damaged boat electrical systems preventing return port repairs unidentified submarine launched torpedo surfaced torpedo aim passed bow boat port december december months repairs time repair reassigned command named place aboard january patrolled having crash dive escape attack enemy torpedo boats march returning patrol crew austro hungarian destroyer enemy submarine rammed damaging diving planes sailed months repairs boat returned action june patrolled montenegro months june slightly damaged air raid september crash dive avoid air attack september boat received french prisoner war prisoner survivor french submarine torpedoed night end war career damaged single merchant ships gross register tons ceded france war towed broken year ships sunk damaged austro hungarian
SM UB-43