Different Between De-Icing And Anti-icing

Al Faisal asked

may i know the different between de-icing and anti-icing of an airplane?

My answer;

De-icing is a process where the ice will be removed (normally with de-icing fluid) from the aircraft (especially wings & horizontal stabilizer) and also from that process, a build up of an ice can be prevented or minimised by the characteristic of the de-icing fluid itself. De-icing is critical prior take-off as any layer of ice on top of the wing or horizontal stabilizers can effect the lift and controablilty which is crucial during that phase of flight.

Anti-icing is more for heating system that build-in the airplane itself to prevent ice built-up especially in flight such as on wing leading edges, engine nose cowls, cockpit windows as well as the pitot & static ports either by hot air from engine bleed system or by electric heating element.