CAT.IDE.A.330 Radio communication equipment
(a)
Aeroplanes shall be equipped with the radio communication equipment required by the applicable airspace requirements.
(b)
The radio communication equipment shall provide for communication on the aeronautical emergency frequency 121.5 MHz.
CAT.IDE.A.335 Audio selector panel
Aeroplanes operated under IFR shall be equipped with an audio selector panel operable from each required flight crew member station.
CAT.IDE.A.340 Radio equipment for operations under VFR over routes navigated by reference to visual landmarks
Aeroplanes operated under VFR over routes navigated by reference to visual landmarks shall be equipped with radio communication equipment necessary under normal radio propagation conditions to fulfil the following:
(a)
communicate with appropriate ground stations;
(b)
communicate with appropriate ATC stations from any point in controlled airspace within which flights are intended; and
(c)
receive meteorological information.
CAT.IDE.A.345 Communication and navigation equipment for operations under IFR or under VFR over routes not navigated by reference to visual landmarks
(a)
Aeroplanes operated under IFR or under VFR over routes that cannot be navigated by reference to visual landmarks shall be equipped with radio communication and navigation equipment in accordance with the applicable airspace requirements.
(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.
(c)
Notwithstanding (b), aeroplanes operated for short haul operations in the North Atlantic minimum navigation performance specifications (NAT MNPS) airspace and not crossing the North Atlantic shall be equipped with at least one long range communication system, in case alternative communication procedures are published for the airspace concerned.
(d)
Aeroplanes shall have sufficient navigation equipment to ensure that, in the event of the failure of one item of equipment at any stage of the flight, the remaining equipment shall allow safe navigation in accordance with the flight plan.
(e)
Aeroplanes operated on flights in which it is intended to land in IMC shall be equipped with suitable equipment capable of providing guidance to a point from which a visual landing can be performed for each aerodrome at which it is intended to land in IMC and for any designated alternate aerodrome.
CAT.IDE.A.350 Transponder
Aeroplanes shall be equipped with a pressure altitude reporting secondary surveillance radar (SSR) transponder and any other SSR transponder capability required for the route being flown.
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本文链接地址：Annexes to the draft Commission Regulation on ‘Air Operations - OPS’(137)
