ANNEX IVCOMMERCIAL AIR TRANSPORT OPERATIONS

[PART-CAT]

SUBPART DINSTRUMENTS, DATA, EQUIPMENT

SECTION 1Aeroplanes

F1CAT.IDE.A.345 Communication, navigation and surveillance equipment for operations under IFR or under VFR over routes not navigated by reference to visual landmarks

(b)

Radio communication equipment shall include at least two independent radio communication systems necessary under normal operating conditions to communicate with an appropriate ground station from any point on the route, including diversions.