Performance planning — helicopters
72.—(1)  An AOC holder must take into account the following factors when developing procedures for a helicopter to perform its intended operations safely:
(a)the mass limitations prescribed in regulation 79;
(b)the helicopter configuration;
(c)the helicopter operating technique;
(d)the operation of helicopter systems which may have an adverse effect on performance;
(e)the pressure altitude and temperature;
(f)any wind;
(g)any environmental conditions which may have an adverse effect on performance;
(h)the accuracy of the charts and other data used.
(2)  When developing procedures for obstacle avoidance during take‑off, landing and balked landing of a helicopter, the AOC holder must take into account surrounding obstacle data.