▁Atlantic . ▁On ▁ 1 4 ▁November ▁she ▁was ▁assigned ▁to ▁w olf pack ▁' Ste uben ' ▁and ▁remained ▁with ▁it ▁until ▁ 2 ▁December . ▁Having ▁s unk ▁no ▁ships ▁during ▁the ▁pat rol , ▁she ▁returned ▁to ▁Lor ient ▁on ▁ 1 3 ▁December ▁ 1 9 4 1 . ▁Georg ▁Sche we ▁left ▁the ▁boat ▁shortly ▁after ▁this ▁pat rol , ▁and ▁was ▁replaced ▁as ▁commander ▁by ▁Heinrich ▁Sch uch . ▁▁ 1 9 4 2 ▁On ▁ 2 5 ▁January ▁ 1 9 4 2 ▁U - 1 0 5 ▁left ▁Lor ient ▁on ▁her ▁fifth ▁pat rol . ▁On ▁ 3 1 ▁January ▁she ▁s ank ▁the ▁British ▁war ship ▁, ▁part ▁of ▁Con voy ▁SL ▁ 9 8 , ▁south - west ▁of ▁Ireland , ▁and , ▁on ▁ 5 ▁February ▁ 1 9 4 2 , ▁she ▁res cu ed ▁seven ▁men ▁from ▁a ▁crash ed ▁German ▁D orn ier ▁Do ▁ 2 4 ▁ 3 5 0 ▁miles ▁off ▁the ▁coast ▁of ▁France . ▁U - 1 0 5 ▁returned ▁to ▁Lor ient ▁on ▁ 8 ▁February . ▁Se vent een ▁days ▁later , ▁on ▁ 2 5 ▁February , ▁U - 1 0 5 ▁left ▁Lor ient . ▁Between ▁ 2 5 ▁and ▁ 2 7 ▁March , ▁she ▁s ank ▁the ▁British ▁merchant ▁ship ▁Nar rag ans ett ▁and ▁the ▁Norwegian ▁merchant ▁ship ▁S ven ør ▁off ▁the ▁east ▁coast ▁of ▁the ▁United ▁States . ▁U - 1 0 5 ▁returned ▁to