WestAir itself experienced turmoil ; in 1991 it spun off the new division into an independent company , Atlantic Coast Airlines ( ACA ) , which years later would go on to become Independence Air .
In response , WestAir formed an eastern division to serve Dulles .
WestAir itself experienced turmoil ; in 1991 WestAir spun off the new division into an independent company , Atlantic Coast Airlines ( ACA ) , which years later would go on to become Independence Air .
In response , WestAir formed an eastern division to serve Dulles .