Crew member upgrade segment
156.—(1)  An AOC holder must ensure that every person, who is on the AOC holder’s roster to be assigned duty as a crew member on a flight of a large aeroplane for a commercial air transport operation authorised by the AOC holder’s air operator certificate, completes the upgrade segment of the AOC holder’s training programme (provided in accordance with regulation 143) before the person is assigned duty as a crew member in a role with more responsibilities (called in this regulation the upgraded crew member role).
(2)  The upgrade segment mentioned in paragraph (1) —
(a)must address the use of all safety and emergency equipment and procedures applicable to the upgraded crew member role on the aeroplane for which the upgrade is sought; and
(b)must include training —
(i)on human factors and crew resource management, with particular emphasis on the changes brought about by the upgraded crew member role; and
(ii)in supervisory skills.