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  2. Icing (aeronautics) - Wikipedia

    en.wikipedia.org/wiki/Icing_(aeronautics)

    Icing conditions exist when the air contains droplets of supercooled water. They freeze on contact with a potential nucleation site, which in this case is the parts of the aircraft, causing icing. Icing conditions are characterized quantitatively by the average droplet size, the liquid water content and the air temperature.

  3. 22 Free Printable Christmas Cards for the Perfect Holiday Cheer

    www.aol.com/15-free-printable-christmas-cards...

    Never pay for Christmas cards again! The post 22 Free Printable Christmas Cards for the Perfect Holiday Cheer appeared first on Reader's Digest.

  4. Aircraft deicing fluid - Wikipedia

    en.wikipedia.org/wiki/Aircraft_deicing_fluid

    In non-aviation contexts, de-icing chemicals typically contain chloride salts, such as calcium chloride (Ca Cl 2). These are prohibited in aircraft deicing fluids due to their corrosive properties. Based on chemical analysis, the U.S. Environmental Protection Agency has identified five main classes of additives widely used among manufacturers:

  5. Ice protection system - Wikipedia

    en.wikipedia.org/wiki/Ice_protection_system

    Aircraft icing increases weight and drag, decreases lift, and can decrease thrust. Ice reduces engine power by blocking air intakes. When ice builds up by freezing upon impact or freezing as runoff, it changes the aerodynamics of the surface by modifying the shape and the smoothness of the surface which increases drag, and decreases wing lift ...

  6. World aeronautical chart - Wikipedia

    en.wikipedia.org/wiki/World_aeronautical_chart

    A World Aeronautical Chart (WAC) was a type of aeronautical chart used for navigation by pilots of moderate speed aircraft and aircraft at high altitudes in the United States. They are at a scale of 1:1,000,000 (about 1 inch = 13.7 nautical miles or 16 statute miles). WACs were discontinued by the Federal Aviation Administration (FAA) in 2015.

  7. Ice detector - Wikipedia

    en.wikipedia.org/wiki/Ice_detector

    An ice detector is an instrument that detects the presence of ice on a surface. Ice detectors are used to identify the presence of icing conditions and are commonly used in aviation, [1] unmanned aircraft, [2] marine vessels, [3] wind energy, [4] and power lines.