HelicoptersPhotos PT Weststar Aviation Indonesia (PTWAI) , part of Weststar Aviation based at Balikpapan, Borneo (WALL) Model Types ModelDel'dFromTo AgustaWestland AW139 AgustaWestland AW189 List of Aircraft Model C/N Built ID AW189 49012 2014PK-WAC : PTWAI May/Aug 2016 AW139 41267 PK-WAD : PTWAI from Oct16, pictured AW139 31349 2011PK-WAF : PTWAI from Jul18, pictured AW139 31134 2008PK-WAI : PTWAI from Oct15