 The modifications entailed installing new Garrett TFE731 engines and aerodynamic improvements to the airframe, increasing the Jetstar's range from to with no increase in fuel capacity.The company then manufactured jet engine nacelles and other aircraft components as a subcontractor to various manufacturers including Cessna, Gates Learjet and Dassault.On May 1, 1982 Ed Swearingen resigned from Fairchild and exercised his right to reacquire the Swearingen business name.