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Terrain Awareness and Warning System

Terrain Awareness and Warning System. TAWS Background. Ability to look ahead of aircraft Required on turbine-powered airplanes Not required on turbine-powered helicopters. Flight Profile at 150 fpm. 600. Altitude Altitude. 500. Time to Impact = 158 sec. 400. Caution Terrain.

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Terrain Awareness and Warning System

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  1. Terrain Awareness and Warning System

  2. TAWS Background • Ability to look ahead of aircraft • Required on turbine-powered airplanes • Not required on turbine-powered helicopters

  3. Flight Profile at 150 fpm 600 AltitudeAltitude 500 Time to Impact = 158 sec 400 Caution Terrain Time to Impact = 97 sec Warning Terrain 300 Altitude / Elevation (ft) Time to Impact = 84 sec 200 100 0 8 7 6 5 4 3 2 1 0 Distance to Impact (nm)

  4. Screen Display at 400 Feet “Altitude, Altitude”

  5. Screen Display at 250 Feet “Caution Terrain”

  6. Screen Display at 210 Feet “Warning Terrain”

  7. “Warning Terrain” “Caution Terrain”

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