twa's fleet-renewal program included adding newer and smaller, more fuel-efficient, longer-range aircraft such as the boeing 757 and 767 and short-range aircraft such as the mcdonnell douglas md-80 and boeing 717. aircraft such as the boeing 727 and 747, along with the lockheed l-1011 and older dc-9s, some from ozark and the 1960s, were retired. twa also became one of the early customers for the airbus a318 through international lease finance corporation. twa, had it continued operating through 2003, would have been the first u.s. carrier to fly the type.