What is the difference between de-icing and anti-icing fluids and where are they applied?

• A. De-icing fluids remove existing ice; anti-icing fluids prevent ice formation on surfaces for a specified time; applied to wings, tails, and surfaces per SOP.
• B. Anti-icing removes ice; de-icing prevents ice formation on surfaces; applied to runways.
• C. De-icing and anti-icing perform the same function; applied to engines.
• D. De-icing forms ice; anti-icing removes ice; applied to landing gear.

Answer: (A)