Passenger briefing
18.—(1)  For every flight involving the carriage of at least one passenger on a relevant aircraft, the AOC holder must ensure that —
(a)the requirements specified in regulation 20 of the Air Navigation (91 — General Operating Rules) Regulations 2018 are complied with;
(b)the passengers are instructed to fasten their seat belts at the following times:
(i)when the aircraft is moving on the ground;
(ii)in preparation for and during each take‑off;
(iii)in preparation for and during each landing;
(iv)if the aircraft is a helicopter, at any time that the rotor is turning whilst on the ground;
(v)at any other time considered necessary by the pilot‑in‑command of the aircraft; and
(c)the passengers are informed by illuminated “No Smoking” signs or by approved “No Smoking” placards or both, when smoking is prohibited in the aircraft.
(2)  For the purposes of paragraph (1)(c), if “No Smoking” signs are installed in a relevant aircraft, the signs must be illuminated when smoking is prohibited.