Singapore legislation
Regulation 71
of Air Navigation (135 — Commercial Air Transport by Helicopters and Small Aeroplanes) Regulations 2018
Regulation 71
Performance planning — aeroplanes
Subregulation 1
An AOC holder must take into account the following factors when developing procedures for a small aeroplane to perform its intended operations safely:
the mass of the aeroplane;
the aeroplane configuration;
the aeroplane operating techniques;
the operation of aeroplane systems which may have an adverse effect on performance;
the runway gradient;
the condition of runway;
the water surface state, where relevant;
the pressure altitude and temperature;
any wind;
any other environmental conditions which may have an adverse effect on performance;
the accuracy of the charts and other data used.
Subregulation 2
When developing procedures for obstacle avoidance during take‑off, landing and balked landing, of a small aeroplane, the AOC holder must take into account aerodrome obstacle data.