Performance — General
65.—(1)  The pilot-in-command of a relevant aircraft must not commence a flight unless the pilot-in-command has determined that the aircraft is capable of —
(a)taking off safely;
(b)reaching and maintaining a safe height thereafter; and
(c)making a safe landing at the place of intended destination,
having regard to the performance of the aircraft in the conditions to be expected on the intended flight, and to any obstructions at the places of departure, intended destination and on the intended route.
(2)  For every flight mentioned in regulation 3(1)(a) or (b), the operator must ensure that the aircraft meets the aircraft performance requirements specified by the Director‑General of Civil Aviation in Aviation Specifications 1 — Aircraft Performance Class for the applicable performance class in respect of during take‑off, climb, en‑route and landing.