A jet engined aircraft is required to cruise for 3000 km at a constant altitude of 8 km. At the end of cruise the aircraft will weigh 112.4 kN.The wing

area of the aircraft is 80 m², CD for the flight is 0.04, CL is 0.3 and the aircraft's thrust specific fuel consumption is 10-5 kg N-1 s-¹. How much fuel will be used in the cruise? The answer should have units of kN.