▁the ▁company ▁by ▁bu ying ▁the ▁shares ▁held ▁by ▁BO AC ▁and ▁E lder ▁D emp ster ; ▁the ▁air line ▁became ▁the ▁flag ▁car rier ▁of ▁the ▁country . ▁The ▁entire ▁Her on ▁fleet ▁was ▁with dra wn ▁from ▁service ▁in ▁March ▁ 1 9 6 1 ▁as ▁ ▁it ▁proved ▁econom ically ▁in vi able . ▁A im ed ▁at ▁replacing ▁the ▁DC - 3 ▁fleet , ▁five ▁F ok ker ▁Friend ship ▁ 2 0 0 s ▁were ▁ordered ▁late ▁that ▁year , ▁with ▁options ▁being ▁taken ▁on ▁two ▁more . ▁A ▁BO AC ▁Com et ▁ 4 ▁inaugur ated ▁the ▁jet ▁services ▁between ▁Niger ia ▁and ▁London ▁on ▁; ▁the ▁flight ▁was ▁operated ▁in ▁conj unction ▁with ▁Niger ia ▁Air ways . ▁The ▁Friend ships ▁joined ▁the ▁fleet ▁between ▁January ▁and ▁May ▁ 1 9 6 3 , ▁and ▁were ▁deployed ▁on ▁regional ▁routes , ▁including ▁those ▁that ▁served ▁Ab id jan , ▁Acc ra , ▁Bath urst , ▁Dak ar , ▁Fre et own ▁and ▁Roberts field . ▁The ▁contract ▁with ▁BO AC ▁was ▁re vised ▁and ▁a ▁new ▁agreement ▁was ▁signed ▁in ▁April ▁of ▁the ▁same ▁year . ▁By ▁June , ▁the ▁DC - 3 s ▁had ▁begun ▁to ▁be ▁replaced ▁by ▁the ▁Friend ships ▁on ▁routes ▁to ▁G amb ia , ▁Gh ana , ▁I v ory ▁Coast , ▁Liber ia , ▁Sen eg al , ▁Sierra ▁Le one , ▁and ▁Leopold ville . ▁However , ▁the ▁type ▁would ▁continue ▁to ▁be ▁deployed ▁on ▁the ▁K