Singapore legislation
Regulation 84
of Air Navigation (121 — Commercial Air Transport by Large Aeroplanes) Regulations 2018
Regulation 84
Flight deck door
Subregulation 1
An AOC holder must ensure that every aeroplane, of a type described in paragraph (1A), that carries passengers is equipped with a flight deck door —
that is designed to resist penetration by small arms fire and grenade shrapnel and to resist forced intrusions by unauthorised persons; and
that is capable of being locked and unlocked from either pilot’s station.
Subregulation 1A
The aircraft types mentioned in paragraph (1) are —
any aeroplane with an MCTOM exceeding 54,500 kg;
any aeroplane with an MCTOM exceeding 45,500 kg and an MAPSC exceeding 19; and
any aeroplane with an MAPSC exceeding 60.
Subregulation 2
An AOC holder must ensure that every aeroplane equipped with a flight deck door in accordance with paragraph (1) —
is provided with means of monitoring, from either pilot’s station, the entire door area outside the flight deck to identify persons requesting entry and to detect suspicious behaviour or potential threat; and
is provided with means by which a cabin crew member may discreetly notify the flight crew of any suspicious activity or security breach in the cabin.