icing conditions

Weather conditions conducive to the formation of ice on an aircraft in flight. These conditions are usually characterized by visible moisture in the air and temperatures around the freezing level (i.e., +2° to −10°C). Pilots encountering icing conditions are urged to issue a pilot weather report (PIREP) immediately.

Aviation dictionary. 2014.

Look at other dictionaries:

  • Icing conditions — In aviation, icing conditions are those atmospheric conditions that can lead to the formation of water ice on the surfaces of an aircraft, or within the engine as carburetor icing. Inlet icing is another engine related danger, often occurring in… …   Wikipedia

  • icing — /ˈaɪsɪŋ / (say uysing) noun 1. one of various sugared coatings or toppings for cakes, usually made from icing sugar with some combinations of fruit juice, eggwhite, colouring, etc. See frosting (def. 1). 2. the forming of ice on the wings of a… …   Australian English dictionary

  • icing level — The minimum level or altitude at which ice forms on aircraft under given conditions …   Aviation dictionary

  • icing — The accretion of ice on aircraft wings and other parts caused by supercooled water droplets in the atmosphere, cooling by the evaporation of a wetted surface or isotropic expansion, or super cooled fuel in the wings in high humidity conditions.… …   Aviation dictionary

  • Carburetor icing — Carburetor (or carburettor) icing is an icing condition which can affect any carburetor under certain atmospheric conditions. While it applies to all carburetors, it is of particular concern in association with piston powered aircraft,… …   Wikipedia

  • Atmospheric icing — occurs when water droplets in the air freeze on objects they contact. This is very dangerous on aircraft, as the built up ice changes the aerodynamics of the flight surfaces, and can cause loss of lift, with an increased risk of a subsequent… …   Wikipedia

  • carburetor icing — The formation of ice on the throttle plate or valve during certain atmospheric conditions. As the fuel nozzles feed fuel into the air horn it turns to a vapor. This robs heat from the air and when weather conditions are just right (fairly cool… …   Dictionary of automotive terms

  • moderate icing — Atmospheric conditions in which the rate of ice accumulation is such that even short encounters become potentially hazardous and the use of de icing or anti icing equipment or diversion is necessary …   Aviation dictionary

  • Ice protection system — Ice protection systems are designed to keep atmospheric ice from accumulating on aircraft flight surfaces while in flight. The effects of ice accretion on an aircraft can cause the shape of airfoils and flight control surfaces to change, which… …   Wikipedia

  • Deicing — An Aeroflot Airbus A330 being de iced at Sheremetyevo International Airport …   Wikipedia

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