It is crucial to the effectiveness of aircraft ground de/anti icing that the aircraft commander receives accurate information on the fluid treatment carried out. This should be achieved by the use of a standard format Anti Icing Code to ensure that there is no possibility of mis-understanding in respect of the minimum required information. Relevant additional information can and should be passed as well.
The Anti Icing Code Procedure, as described in the AEA Guidelines (see further reading), should be incorporated in the operational procedures for all aircraft operators and de-icing service providers.
The Code communicates the following information to the aircraft commander by referring to the last step of the fluid treatment procedure in the following sequence: