CS ACNS.B.VCS.040 Flight Deck Interface
ED Decision 2013/031/R
(see AMC1 ACNS.B.VCS.040)
A means is provided to:
(a) select the voice communications channel;
(b) display the selected voice communications channel to the flight crew;
(c) indicate the non-operational status or failure of the system without undue delay;
AMC1 ACNS.B.VCS.040 Flight Deck Interface
ED Decision 2013/031/R
Flight Crew control and display of communication frequencies information should be consistent with the overall crew flight deck design philosophy.