The aircraft that uses Runway Overrun Prevention System technology is the first to have both a fuselage and wing structure made primarily of what material?
Runway Overrun Prevention System: ROPS (Runway Overrun Prevention System) is a technology used in the Airbus A350 XWB aircraft, which is designed to prevent the overshooting of the runway as the plane is landing. Airbus A350 XWB:  The A350 is the first Airbus aircraft with both fuselage and wing structures made primarily of carbon-fibre-reinforced polymer.
carbon-fibre-reinforced polymer