UA.III.B.K1g

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• Pilot's Handbook of Aeronautical Knowledgep. 7-40
  Chapter 7: Aircraft Systems › Anti-Ice and Deice Systems › Airfoil Anti-Ice and Deice

  system. They need to be carefully inspected during preflight. Another type of leading edge protection is the thermal anti-ice system. Heat provides one of the most effective methods for preventing ice accumulation on an airfoil. High performance turbine aircraft ... leading edge surfaces. The hot air heats the leading edge surfaces sufficiently to prevent the formation of ice. A newer type of thermal anti-ice system referred to as ThermaWing uses electrically heated graphite foil laminate applied to the leading…

• Aeronautical Information Manualp. 7-1-46
  Chapter 7. Safety of Flight › Section 1. Meteorology › 7-1-19. PIREPs Relating to Airframe Icing

  hour on the unprotected part of the outer wing. The pilot should consider exiting the icing condition. 3. Moderate. The rate of ice accumulation requires frequent cycling of manual deicing systems to minimize ice accretions on the airframe. A representative ... hour on the unprotected part of the outer wing. The pilot should consider exiting the icing condition as soon as possible. 4. Severe. The rate of ice accumulation is such that ice protection systems fail to remove the accumulation…

• Pilot's Handbook of Aeronautical Knowledgep. 7-40
  Chapter 7: Aircraft Systems › Anti-Ice and Deice Systems

  Anti-Ice and Deice Systems Anti-icing equipment is designed to prevent the formation of ice, while deicing equipment is designed to remove ice once it has formed. These systems protect the leading edge of wing and tail surfaces, pitot ... static port openings, fuel tank vents, stall warning devices, windshields, and propeller blades. Ice detection lighting may also be installed on some aircraft to determine the extent of structural icing during night flights. Most light aircraft have only a heated…

• Aeronautical Information Manualp. PCG I-1
  Pilot/Controller Glossary › I

  purposes is less than ¼ inch (6 mm) per hour on the outer wing. The pilot should consider exiting the icing conditions before they become worse. b. Light- The rate of ice accumulation requires occasional cycling of manual deicing systems ... minimize ice accretions on the airframe. A representative accretion rate for reference purposes is ¼ inch to 1 inch (0.6 to 2.5 cm) per hour on the unprotected part of the outer wing. The pilot should consider exiting the icing condition…

• Aviation Maintenance Technician Handbook - Airframep. 15-2
  Chapter 15: Ice & Rain Protection › Ice Detector System › Ice Prevention

  modern aircraft, many of these systems are automatically controlled by the ice detection system and onboard computers. Figure 15-3. Ice and rain protection systems. Figure 15-4. An ice detector alerts the flight crew of icing conditions ... some aircraft, automatically activates ice protection systems. One or more detectors are located on the forward fuselage. Ice Detector System Ice can be detected visually, but most modern aircraft have one or more ice detector sensors that warn the flight…

• Pilot Guide: Flight in Icing Conditionsp. 15
  Chapter 3. ICING EFFECTS, PROTECTION, AND DETECTION › 3-1. FORMS OF ICING › a. Structural Icing

  Chapter 3. ICING EFFECTS, PROTECTION, AND DETECTION 3-1. FORMS OF ICING. Aircraft icing in flight is usually classified as being either structural icing or induction icing. Structural icing refers to the ice that forms on aircraft surfaces and components ... induction icing refers to ice in the engine’s induction system. a. Structural Icing. Ice forms on aircraft structures and surfaces when supercooled droplets adhere to them and freeze. Small and/or narrow objects are the best collectors of drops…