Canadian Aviation Regulations
(a) the weight of the aeroplane on landing at the destination aerodrome will allow a full-stop landing
(b) the weight of the aeroplane on landing at the alternate aerodrome will allow a full-stop landing
(2) In determining whether an aeroplane can be dispatched or a take-off can be conducted in accordance with subsection (1), the following shall be taken into account:
(a) the pressure-altitude at the destination aerodrome and at the alternate aerodrome;
(b) not more than 50 per cent of the reported headwind component or not less than 150 per cent of the reported tailwind component; and
(c) that the aeroplane must be landed on a suitable runway, considering the wind speed and direction, the ground handling characteristics of the aeroplane, and other conditions such as landing aids and terrain.
(3) Where conditions at the destination aerodrome at the time of take-off do not permit compliance with paragraph (2)(c), an aeroplane may be dispatched and a take-off conducted if the alternate aerodrome designated in the operational flight plan permits, at the time of take-off, compliance with paragraph (1)(b) and subsection (2).
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