(1)  
the preceding 2 hours in the case of aeroplanes referred to in (a)(1) when the individual CofA has been issued on or after 1 April 1998; 

(2)  
the preceding 30 minutes for aeroplanes referred to in (a)(1) when the individual CofA has been issued before 1 April 1998; or

(3)  
the preceding 30 minutes, in the case of aeroplanes referred to in (a)(2).

(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 aeroplanes first issued with an individual CofA on or after 1 April 1998, the audio signals received from each boom and mask microphone in use; 

(ii)  
for aeroplanes referred to in (a)(2) and first issued with an individual CofA before 1 April 1998, the audio signals received from each boom and mask 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 aeroplane moving under its own power and shall continue to record until the termination of the flight when the aeroplane is no longer capable of moving under its own power. In addition, in the case of aeroplanes issued with an individual CofA on or after 1 April 1998, the CVR shall start automatically to record prior to the aeroplane moving under its own power and continue to record until the termination of the flight when the aeroplane is no longer capable of moving under its own power.

(e)  
In addition to (d), depending on the availability of electrical power, the CVR shall start to record as early as possible during the cockpit checks prior to engine start at the beginning of the flight until the cockpit checks immediately following engine shutdown at the end of the flight, in the case of:

(1)  
aeroplanes referred to in (a)(1) and issued with an individual CofA after 1 April 1998; or

(2)  
aeroplanes referred to in (a)(2).

(f)  
The CVR shall have a device to assist in locating it in water.

CAT.IDE.A.190 Flight data recorder
(a)  
The following aeroplanes shall be equipped with a flight data recorder (FDR) that uses a digital method of recording and storing data and for which a method of readily retrieving that data from the storage medium is available:

(1)  
aeroplanes with an MCTOM of more than 5 700 kg and first issued with an individual CofA on or after 1 June 1990; 
　
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本文鏈接地址：Annexes to the draft Commission Regulation on ‘Air Operations - OPS’(126)