Singapore legislation
Regulation 140
of Air Navigation (121 — Commercial Air Transport by Large Aeroplanes) Regulations 2018
Regulation 140
Cabin crew operating limitations
Subregulation 1
An AOC holder may authorise a person to be assigned duty as a cabin crew member on up to 3 types of large aeroplanes if the safety equipment and emergency procedures are similar on these aeroplane types.
Subregulation 2
No cabin crew member may be designated crew‑in‑charge on more than one type of large aeroplane unless otherwise approved by the Director‑General of Civil Aviation.
Subregulation 3
An AOC holder must specify in its Operations Manual any cabin crew operating limitations for a cabin crew member on a large aeroplane.