Figure 31: Landing Distance Chart

–10° 0° 10° 20° 30° 40° 24 26 28 30 32 34 0 10 20 30 OAT—°C Weight x 100 pounds Total landing distance over a 50-foot obstacle (feet) Headwind—knots 2800 2400 2000 1600 1200 800 400 0 knots IAS approach speed (assumes zero instr. error) mph Weight pounds 3400 3200 3000 2800 2600 2400 90 87 84 81 78 75 78 76 73 70 68 65 Example: OAT ..........................................................................27 °C Pressure altitude ................................................4000 feet Landing weight .............................................3200 pounds headwind .............................................................10 knots Total landing distance over a 50-foot obstacle ......................................1475 feet Ground roll (53% of 1475) ....................................782 feet IAS approach speed.......................................87 mph IAS Conditions: Power As required to maintain 800 ft/min descent on approach Flaps DOWN Runway PAVED, LEVEL, DRY SURFACE Approach speed IAS as TABULATED Note: Ground roll is approximately 53% of total landing distance over a 50-foot obstacle. Landing distance ISA 8000 6000 4000 2000 S.L. Pressure altitude—feet Reference line Reference line