Article 47 Commander to be satisfied that flight can be safely completedI1
United Kingdom
The commander of a flying machine must, before take-off, take all reasonable steps so as to be satisfied that it is capable of safely taking off, reaching and maintaining a safe height and making a safe landing at the place of intended destination having regard to —
(a)
the performance of the flying machine in the conditions to be expected on the intended flight; and
(b)
any obstructions at the places of departure and intended destination and on the intended route.