Singapore legislation
Regulation 27
of Air Navigation (121 — Commercial Air Transport by Large Aeroplanes) Regulations 2018
Regulation 27
Flight planning
Subregulation 1
Before the commencement of any flight of a large aeroplane, the AOC holder must ensure that —
the pilot-in-command is provided with the necessary information —
to complete the preparation for the intended flight; and
to ensure the adequacy of facilities at any aerodrome that may be used for the flight; (b)the airspace containing the intended route from the aerodrome of departure to the aerodrome of arrival (including any intended take‑off alternate aerodrome, destination alternate aerodrome and en‑route alternate aerodrome) can be safely used for the type of operation to be conducted; and
if the flight is intended to operate over or near any conflict zone, a risk assessment is conducted and appropriate risk mitigation measures are taken to ensure the safety of the flight.
Subregulation 2
For the purposes of paragraph (1)(c), “conflict zone” is any area where armed conflict is occurring or is likely to occur between militarised parties (including any area where militarised parties are in a heightened state of military alert or tension) and the safety of civil aircraft may be endangered.