Flight crew requirements
105.  The pilot‑in‑command of a relevant aircraft must not commence a flight unless the pilot‑in‑command is satisfied that every person assigned duty as a flight crew member for that flight —
(a)holds an appropriate licence that —
(i)is current;
(ii)is issued or validated by the State of Registry of the aircraft; and
(iii)includes the appropriate rating for the flight crew member’s assigned duty;
(b)is competent to carry out the flight crew member’s assigned duty; and
(c)has been appropriately trained to competency in the use of an airborne collision avoidance system for the avoidance of collisions where the aircraft is so equipped.