SAO.OP.120 Flight preparation

Before commencing a flight, the pilot-in-command shall ensure all of the following:

(a)  the facilities required for the safe operation of the sailplane are adequate for the type of operation under which the flight is to be conducted;

(b)  that the meteorological conditions will allow the flight to be completed safely;

(c)  in the case of a powered sailplane and when the engine is intended to be used, the quantity of fuel or other energy is sufficient to allow the flight to be completed safely.