 At the time of the separate sale and merger, Aspen Airways operated four BAe 146 jets and ten Convair 580 turboprops.The Convair 580 turboprops were parked and eventually sold while Air Wisconsin continued to fly the BAe 146 jet aircraft as this regional carrier already operated the BAe 146 in their fleet.Mesa lost its United Express status in the late 1990s and then regained it several years later following a litigation settlement.