. following . S = 42 m . : An aircraft is equipped with one piston-prop engine and has the characteristics: Wmax = 44145 N (Weight) . . CDO = 0.024 K = 0.06 (Reference wing area) (Zero-lift drag coefficient) (Induced drag coefficient) (Maximum equivalent shaft power at sea level) (Propeller efficiency) P = nprP P P = Po Po Po = 900 hp 11pr = 0.7 a) Determine the absolute ceiling (P = 0) for this aircraft with W = Wmax b) Determine the absolute ceiling (P = 0) for this aircraft with W = 0.9Wmax