Flight recorders — cockpit voice recorder (CVR)
97.—(1)  An operator of a Singapore registered helicopter must ensure that the helicopter is equipped with a cockpit voice recorder if —
(a)the helicopter was first issued a Certificate of Airworthiness on or after 1 January 1987 and has an MCTOM exceeding 3,175 kg; or
(b)the helicopter has an MCTOM exceeding 7,000 kg.
[S 768/2018 wef 24/11/2018]
(2)  Where a Singapore registered helicopter mentioned in paragraph (1)(a) or (b) is not equipped with a flight data recorder, the operator must ensure that the cockpit voice recorder also records the main rotor speed.
(3)  Where a Singapore registered helicopter is equipped with a cockpit voice recorder, the operator must ensure that the cockpit voice recorder does not use any of the following types of recording technology:
(a)magnetic tape;
(b)wire.
[S 768/2018 wef 24/11/2018]