How do you remove ice from an airplane? De-Icing! It’s a treatment coney when the aircrafts are contaminated with the presence of ice and frost, and it is requested by the captain himself. The treatment is done washing the aircraft with high temperature water and with a specific liquid called Kilfrost, used to protect the aircraft. It’s a must do operation, because it has to do with the safety of airplanes and passengers, and you cannot do any mistake.