Singapore legislation
Regulation 118
of Air Navigation (121 — Commercial Air Transport by Large Aeroplanes) Regulations 2018
Regulation 118
Flight recorders — cockpit voice recorder (CVR)
Subregulation 1
An AOC holder must ensure that every aeroplane with an MCTOM exceeding 5,700 kg is equipped with a cockpit voice recorder.
Subregulation 2
For an aeroplane with an MCTOM exceeding 27,000 kg for which the application for type certification is submitted to a Contracting State on or after 1 January 2018, the AOC holder must ensure that —
the cockpit voice recorder installed in accordance with paragraph (1), and its associated cockpit area microphone components, is provided with an alternate power source;
whenever aeroplane power to the cockpit voice recorder ceases (either by normal shutdown or by other loss of power), the alternate power source automatically engages and provides 10 minutes, plus or minus one minute, of operation; and
the cockpit voice recorder is located as close as practicable to the alternate power source provided.
Subregulation 3
In paragraph (2), “alternate power source” means a power source that is separate from the power source that normally provides power to the cockpit voice recorder and —
includes aeroplane batteries or other power sources that meet the requirements of paragraph (2) without compromising electrical power to essential and critical loads; and
in the case where the CVR function is combined with other recording functions within a single item of equipment, may be used to power the other functions of the equipment.
Subregulation 4
Where a large aeroplane is equipped with any cockpit voice recorder, the AOC holder must ensure that the cockpit voice recorder does not use any of the following types of recording technology:
magnetic tape;
wire.
Subregulation 5
[Deleted by S 769/2018 wef 24/11/2018]