Singapore legislation
Regulation 91
of Air Navigation (125 — Complex General Aviation) Regulations 2018
Regulation 91
Flight recorders — cockpit voice recorder and cockpit audio recording system
Subregulation 1
A CGAC holder must ensure that a cockpit voice recorder is installed in each aircraft that it operates for complex general aviation operations that corresponds to one of the following descriptions:
an aeroplane with an MCTOM exceeding 5,700 kg;
a turbine‑powered aeroplane with an MCTOM not exceeding 5,700 kg or for which the application for type certification is submitted to the Contracting State on or after 1 January 2016, and which requires more than one pilot to operate;
a helicopter with an MCTOM exceeding 3,175 kg for which the Certificate of Airworthiness was first issued on or after 1 January 1987;
a helicopter with an MCTOM exceeding 7,000 kg.
Subregulation 2
Despite paragraph (1), a CGAC 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.
Subregulation 3
Where a helicopter described in paragraph (1)(c) or (d) is not equipped with a flight data recorder, the CGAC holder must ensure that the cockpit voice recorder also records the main rotor speed of the helicopter.
Subregulation 4
Where an aircraft that a CGAC holder operates for complex general aviation operations is equipped with any cockpit voice recorder or any cockpit audio recording system, the CGAC holder must ensure that the cockpit voice recorder or cockpit audio recording system (as the case may be) does not use any of the following types of recording technology:
magnetic tape;
wire.