Navigate / EASA

CS ACNS.D.ELS.030 Flight deck interface

ED Decision 2013/031/R

(See AMC1 ACNS.D.ELS.030 )

(a)     A means is provided :

(1)     to select Mode A Code, including emergency indicators;

(2)     to initiate the IDENT (SPI) feature;

(3)     for an aircraft identification to be inserted by the flight crew if the aircraft uses variable aircraft identification;.

(4)     to notify the flight crew when the transmission of pressure altitude information has been inhibited, if a means to inhibit the transmission of pressure altitude is provided;

(5)     to select the transponder to the ‘standby’ or ‘OFF’ condition;

(6)     to indicate the non-operational status or failure of the transponder system without undue delay and without the need for flight crew action;

(7)     to display the selected Mode A code to the flight crew;

(8)     to display the aircraft identification to the flight crew; and

(b)     Input which is not intended to be operated in flight, is not readily accessible to the flight crew.