Singapore legislation
Regulation 38
of Air Navigation (121 — Commercial Air Transport by Large Aeroplanes) Regulations 2018
Regulation 38
Aerodrome operating minima — determination
Subregulation 1
An AOC holder must establish the aerodrome operating minima for every aerodrome that is selected as a departure, destination or alternate aerodrome for a flight of any large aeroplane.
Subregulation 2
Subject to paragraph (4), an AOC holder must specify in its Operations Manual —
the aerodrome operating minima for every aerodrome mentioned in paragraph (1); and
the method used to determine the aerodrome operating minima.
Subregulation 3
The method of determination mentioned in paragraph (2)(b) must involve consideration of the following matters:
the type, performance and handling characteristics of the aeroplane to be used for the operation and any relevant conditions in its Certificate of Airworthiness;
the composition of the flight crew, their competence and experience;
the dimensions and characteristics of every runway that may be selected for use;
the adequacy and performance of the available visual and non-visual ground aids;
the equipment available on the aeroplane for the purpose of navigation, acquisition of visual references or control of the flight path during the approach, landing and the missed approach;
the obstacles in the approach and missed approach areas and the obstacle clearance altitude or height for every instrument approach procedure that may be proceeded with at an aerodrome;
the means used to determine and report meteorological conditions; (h)the obstacles in the climb-out areas and necessary clearance margins;
any conditions specified in the operations specifications associated with the AOC holder’s air operator certificate; (j)any aerodrome operating minima that may be established for an aerodrome by the State of the Aerodrome.
Subregulation 4
If the flight of a large aeroplane is not a scheduled journey or any part of such a journey, and is not an extended diversion time operation, an AOC holder may, in lieu of the details required under paragraph (2), specify in its Operations Manual —
the method of determining the appropriate aerodrome operating minima, for use by the pilot‑in‑command, in respect of an aerodrome that may be selected for the flight; and
when the aerodrome selected for the flight is an aerodrome where meteorological conditions cannot be communicated to the pilot-in-command of a large aeroplane in flight, the general directions to the AOC holder’s pilots concerning aerodrome operating minima for safe operation.
Subregulation 5
The aerodrome operating minima determined in accordance with the method specified in paragraph (3) for a selected aerodrome must not be lower than the aerodrome operating minima that may be established for that aerodrome by the State of the Aerodrome except in any particular case where the State has specifically approved the AOC holder’s use of a lower aerodrome operating minima.
Subregulation 6
An AOC holder must not use any head-up display, enhanced vision system, synthetic vision display, or combined vision system, or any combination of such systems and display, where equipped, to gain operational credits for operations in conditions of lower visibilities than normally associated with the aerodrome operating minima, except under and in accordance with an approval granted by the Director‑General of Civil Aviation to the AOC holder under the Air Navigation (98 — Special Operations) Regulations 2018 for that purpose.
Subregulation 7
An AOC holder must not use aerodrome operating minima lower than Category I except under and in accordance with an approval granted by the Director‑General of Civil Aviation to the AOC holder under the Air Navigation (98 — Special Operations) Regulations 2018 for that purpose.
Subregulation 8
In this regulation —
Definition
“aerodrome operating minima” includes the minimum weather conditions appropriate to each set of circumstances which can be reasonably expected at every runway that may be selected for use;
Definition
“scheduled journey” has the meaning given by the Air Navigation (Licensing of Air Services) Regulations (Rg 2).