▁a ▁late en ▁( tri angular ) ▁sail , ▁and ▁usually ▁carried ▁two ▁or ▁three ▁guns . ▁ ▁The ▁sail ▁was ▁used ▁to ▁cru ise ▁and ▁save ▁the ▁row ers ’ ▁energy , ▁while ▁the ▁o ars ▁prop elled ▁the ▁ship ▁in ▁and ▁out ▁of ▁har bor ▁and ▁during ▁combat . ▁ ▁The ▁f usta ▁was ▁the ▁favorite ▁ship ▁of ▁the ▁North ▁African ▁cors airs ▁of ▁Sal é ▁and ▁the ▁Barb ary ▁Coast . ▁ ▁Its ▁speed , ▁mob ility , ▁cap ability ▁to ▁move ▁without ▁wind , ▁and ▁its ▁ability ▁to ▁operate ▁in ▁shall ow ▁water — c ru cial ▁for ▁hiding ▁in ▁coast al ▁waters ▁before ▁p oun cing ▁on ▁a ▁passing ▁ship — made ▁it ▁ideal ▁for ▁war ▁and ▁pi racy . ▁ ▁It ▁was ▁mainly ▁with ▁f ust as ▁that ▁the ▁Bar bar ossa ▁brothers , ▁B aba ▁A ru j ▁and ▁Kh air ▁ad ▁Din , ▁carried ▁out ▁the ▁Ott oman ▁con quest ▁of ▁North ▁Africa ▁and ▁the ▁rescue ▁of ▁M ud é j ars ▁and ▁Mor is cos ▁from ▁Spain ▁after ▁the ▁fall ▁of ▁Gran ada , ▁and ▁that ▁they ▁and ▁the ▁other ▁North ▁African ▁cors airs ▁used ▁to ▁w re ak ▁terror ▁upon ▁Christian ▁sh ipping ▁and ▁the ▁islands ▁and ▁coast al ▁areas ▁of ▁the ▁Mediter rane an ▁in ▁the ▁ 1 6 th ▁and ▁ 1 7 th ▁centuries . ▁ ▁The ▁Portuguese ▁used ▁this ▁vessel ▁extens ively ▁in ▁the ▁ 1 5 th ▁and ▁ 1 6 th ▁century ▁in ▁north - A frica