Cabin crew duty assignment
139.—(1)  For every flight of a large aeroplane requiring at least 2 cabin crew members, the AOC holder must designate a cabin crew member to be the crew‑in‑charge, who is responsible to the pilot‑in‑command for the operational and safety functions of each cabin crew member in accordance with the procedures specified in its Operations Manual.
(2)  When a crew-in-charge is to be designated in accordance with paragraph (1), the AOC holder —
(a)must ensure that the designated crew‑in‑charge has, unless otherwise approved by the Director‑General of Civil Aviation —
(i)at least one year’s experience with the AOC holder as a cabin crew member of a large aeroplane; and
(ii)completed an appropriate course of training; and
(b)must establish procedures, acceptable to the Director‑General of Civil Aviation, to identify the next most suitably qualified cabin crew member to operate as crew‑in‑charge in the event the nominated crew‑in‑charge becomes unable to operate.