german submarine german submarine type boat nazi_germany kriegsmarine built service world war keel laid november bremen commissioned august command relieved october commanded boat june von assumed command barely month relieved july commanded boat loss september short career war patrol enemy ships sunk following sinking british september september hunted sunk west lewis scotland depth charges british destroyers crewmen survived prisoner remainder war construction design construction ordered kriegsmarine april violation treaty versailles keel laid shipyard bremen yard number november months construction launched june commissioned kriegsmarine second type submarine commissioned months earlier august command design like type submarines displaced tonnes long tons surface long tons submerged overall length pressure hull propulsion consisted man cylinder stroke diesel engines totaled maximum rpm giving maximum speed knots mph surface range nmi knots mph submarine equipped electric motors totaled shp maximum rpm propel submarine nmi knots mph submerged underwater maximum speed knots mph boat test depth deep having hull crushed armament consisted torpedo tubes located bow stern torpedoes board mines mines equipped deck gun rounds anti aircraft defenses consisted anti aircraft gun crew officers enlisted men service history short career conducting war patrol sinking enemy vessels sunk left wilhelmshaven war patrol august period days traveled coast germany neutral belgium netherlands atlantic_ocean coast ireland boat sank british totaling tons attack took place september nmi northwest shelled deck gun following sinking captain crew members picked steam merchant ship second vessel sunk attack took place september nmi west west coast neutral ireland ship sunk charges following sinking submarine picked crew given food warm clothes hours later crew allowed enter row remaining nmi ireland fate destroyers sank days earlier effort find sink attacking september torpedoes fired warships failed damage exploded prematurely british vessels replied series depth charge attacks damaged german submarine sufficiently force surface fortune attack curtailed apparent surrendering crewmen survived taken prisoner second german submarine sunk world war sunk september able code inform boat high command situation torpedoes prison camp summary raiding history
German submarine U-27 (1936)