Figure 37: Airplane Landing Distance Graph

°C -40° -30° -20° -10° 0° 10° 20° 30° 40° 50° 2,800 2,600 2,400 2,200 0 10 20 30 0 50 °F -40° -20° 0° 20° 40° 60° 80° 100° 120° 3,500 3,000 2,500 2,000 1,500 1,000 500 Outside air temperature Weight (pounds) Wind component Obstacle (knots) (feet) Distance (feet) Tailwind Headwind Reference line Reference line Reference line Weight pounds Speed at 50 ft kts MPH 2,950 Associated conditions: Power Retarded to maintain 900/ft on final approach Flaps Down Landing gear Down Runway Paved, level, dry surface Approach speed IAS as tabulated Braking Maximum 2,800 2,600 2,400 2,200 70 68 65 63 60 80 78 75 72 69 Example: OAT 25 °C (77 °F) Pressure altitude 3,965 feet Weight 2,814 lb Wind component 9.0 knots (headwind) Ground roll 1,080 feet Total over 50 feet obstacle 1,700 feet Approach speed 68 knots (78 mph) 10,000 8,000 6,000 4,000 2,000 S.L. Guide lines not applicable for Intermediate Obstacle heights Pressure altitude - feet ISA