Air South was a low-cost, high frequency, short haul airline based at Columbia Metropolitan Airport serving Columbia, South Carolina and the southern US. It's routes extended from Miami to as far north as Baltimore. From 1994 to 1997 it flew seven Boeing 737-200 aircraft to initially offer low cost, high frequency jet service, to smaller local markets rarely served with jet aircraft, using where possible alternative airports such as St Petersburg. Air South ceased operations on August 28, 1997. (research from Wikipedia)