Boeing 737-800 CFM56 26k Enter distance and landing weight Boeing 737-800 CFM56 Distance: nm (range 50 - 5000nm) Takeoff Weight: kg (range 40-85t) Landing Weight: kg (range 40-70t) Margin to initial buffet: 1.20 (33°) 1.25 (36°) 1.30 (39°) 1.40 (44°) 1.50 (48°) G (bank angle) Wind component: kts (range -50 - 50)