During August 1998, Fairchild Dornier announced it had selected General Electric's FADEC-equipped CF34-8D (which has 87% parts commonality with the CF34-8C1 selected to power the competing Bombardier CRJ700 series), ahead of the SNECMA/Pratt & Whitney Canada SPW-14 to power the 728. During September 1998, further 728 suppliers were announced, including Honeywell for its Primus Epic integrated EFIS avionics suite with flat panel LCDs, AlliedSignal to provide the auxiliary power unit (APU) and environmental control system, Lucas Aerospace for the fly-by-wire flight control system, BFGoodrich manufactured elements such as the landing gear, wheels, tyres, brakes and fuel system, Hamilton Sundstrand for the integrated electric system, and Parker Aerospace for the hydraulic systems. Spanish aircraft manufacturer Construcciones Aeronáuticas SA (CASA) was subcontracted to manufacture the wings and empennage of the 728.