Flight recorders — cockpit voice recorder and cockpit audio recording system
117.—(1)  An AOC holder must ensure that every relevant aircraft that corresponds to one of the following descriptions is equipped with a cockpit voice recorder:
(a)an aeroplane with an MCTOM exceeding 5,700 kg;
(b)a turbine-engined aeroplane with an MCTOM not exceeding 5,700 kg for which the Certificate of Airworthiness is first issued on or after 1 January 2016, and which requires more than one pilot to operate;
(c)a helicopter with an MCTOM exceeding 3,175 kg for which the Certificate of Airworthiness was first issued on or after 1 January 1987;
(d)a helicopter with an MCTOM exceeding 7,000 kg.
[S 771/2018 wef 24/11/2018]
(2)  Despite paragraph (1), an AOC holder may equip an aeroplane of the type described in paragraph (1)(b) with a cockpit audio recording system instead of a cockpit voice recorder.
(3)  Where a helicopter described in paragraph (1)(c) or (d) is not equipped with a flight data recorder, the AOC holder must ensure that the cockpit voice recorder also records the main rotor speed of the helicopter.
(4)  Where a relevant aircraft is equipped with any cockpit voice recorder (CVR) or cockpit audio recording system (CARS), the AOC holder must ensure that the CVR or CARS (as the case may be) does not use any of the following types of recording technology:
(a)magnetic tape;
(b)wire.
[S 771/2018 wef 24/11/2018]