(ii)
the operator is able to demonstrate that when in flight, the pilot’s voice is audible and intelligible at all passengers’ seats.
CAT.IDE.H.185 Cockpit voice recorder
(a)
The following helicopter types shall be equipped with a cockpit voice recorder (CVR):
(1)
all helicopters with an MCTOM of more than 7 000 kg; and
(2)
helicopters with an MCTOM of more than 3 175 kg and first issued with an individual CofA on or after 1 January 1987.
(b)
The CVR shall be capable of retaining the data recorded during at least:
(1)
the preceding 2 hours for helicopters referred to in (a)(1) and (a)(2), when first issued with an individual CofA on or after 1 January 2016;
(2)
the preceding 1 hour for helicopters referred to in (a)(1), when first issued with an individual CofA on or after 1 August 1999 and before 1 January 2016;
(3)
the preceding 30 minutes for helicopters referred to in (a)(1), when first issued with an individual CofA before 1 August 1999; or
(4)
the preceding 30 minutes for helicopters referred to in (a)(2), when first issued with an individual CofA before 1 January 2016.
(c)
The CVR shall record with reference to a timescale:
(1)
voice communications transmitted from or received in the flight crew compartment by radio;
(2)
flight crew members’ voice communications using the interphone system and the public address system, if installed;
(3)
the aural environment of the flight crew compartment, including without interruption:
(i)
for helicopters first issued with an individual CofA on or after 1 August 1999, the audio signals received from each crew microphone;
(ii)
for helicopters first issued with an individual CofA before 1 August 1999, the audio signals received from each crew microphone, where practicable;
and
(4) voice or audio signals identifying navigation or approach aids introduced into a headset or speaker.
(d)
The CVR shall start to record prior to the helicopter moving under its own power and shall continue to record until the termination of the flight when the helicopter is no longer capable of moving under its own power.
(e)
In addition to (d), for helicopters referred to in (a)(2) issued with an individual CofA on or after 1 August 1999:
(1)
the CVR shall start automatically to record prior to the helicopter moving under its own power and continue to record until the termination of the flight when the helicopter is no longer capable of moving under its own power.
(2)
depending on the availability of electrical power, the CVR shall start to record as early as possible during the cockpit checks prior to the flight until the cockpit checks immediately following engine shutdown at the end of the flight.
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本文链接地址：Annexes to the draft Commission Regulation on ‘Air Operations - OPS’(142)
