CS ACNS.B.VCS.020 Performance requirements

ED Decision 2022/008/R1/R

Voice communication systems conform to the performance requirements of the following sections of ICAO Annex 10, Volume III, Part 2 (Second Edition – July 2007 incorporating Amendment No 90), Chapter 2, ‘Aeronautical Mobile Service’:

(a) Section 2.1 ‘Air-ground VHF communication system characteristics’;

(b) Section 2.3.1 ‘Transmitting function’; and

(c) Section 2.3.2 ‘Receiving function’ excluding sub-section 2.3.2.8 ‘VDL – Interference Immunity Performance’.

[Issue: CS-ACNS/2]

[Issue: CS-ACNS/4]

CS ACNS.B.VCS.025  Integrity

ED Decision 2013/031/R

The voice communication systems is designed commensurate with a ‘major’ failure condition.

CS ACNS.B.VCS.030  Continuity

ED Decision 2019/011/R1/R

(See AMC1 ACNS.B.VCS.030 and GM1 ACNS.B.VCS.030)

The voice communication system, including radio, controls, and antenna(s), is designed to provide a level of continuity that supports the intended operation.

[Issue: CS-ACNS/2]

AMC1 ACNS.B.VCS.030 Continuity

ED Decision 2019/011/R

For aircraft that are foreseen to be operated within airspace where continuous air-ground voice communications is required, the continuity of the voice communication system is designed to an allowable qualitative probability of ‘remote’, except for

(a) Class I aircraft, as defined in FAA AC 23-1309-1E, certified to a CS-23 amendment prior to 5, and;

(b) aircraft with type code 1SRXXXXX or 2SRXXXXX as defined in ASTM International Standards F3061/F3061M – 17 and certified to CS-23 Amendment 5 or subsequent amendments

where the continuity of the voice communication system may be designed to an allowable qualitative probability of ‘probable’.

[Issue: CS-ACNS/2]