Schedule 1

where the landing performance requirements can be met;

which is expected to be available, if required; and

which has the necessary facilities and services, such as air traffic control, lighting, communications, meteorological services, navigation aids, rescue and firefighting services and at least one suitable instrument approach procedure.“Aerodrome elevation” means the elevation of the highest point of the landing area.“Air traffic control clearance” means authorisation for an aircraft to proceed under conditions specified by an air traffic control unit.[S 911/2024 wef 28/11/2024]“Aircraft operating manual” means a manual, acceptable to the State of the Operator and part of the Operations Manual, that contains —

the procedures for normal, abnormal and emergency situations; (b)the checklists;

the limitations of the aircraft; (d)the aircraft’s performance information; (e)the details of the aircraft systems; and (f)any other material relevant to the operation of the aircraft.“AOC holder” means the holder of an air operator certificate issued under the Air Navigation (119 — Air Operator Certification) Regulations 2018.“Approved aircraft configuration” means an aircraft configuration approved by —

the competent authority of the State of Design; or

the Authority.“Approved flight simulation training device” means a flight simulation training device for which the AOC holder has a specific approval, granted under paragraph 23A of the Air Navigation Order, to use for the purpose that it is being used for under these Regulations.[S 679/2018 wef 09/10/2018]“Augmented flight crew” means a flight crew that comprises more members than the normal operating flight crew number required to operate the aeroplane, and in which each flight crew member, for the purpose of in‑flight rest, can leave their assigned post and be replaced by another appropriately qualified flight crew member.“Automatic dependent surveillance” or “ADS” means a surveillance technique in which an aircraft automatically provides, via a data link, data derived from on‑board navigation and position‑fixing systems, including aircraft identification, four‑dimensional position and additional data as appropriate.“Automatic dependent surveillance — broadcast (ADS‑B)” means the means by which an aircraft, an aerodrome vehicle and another object can automatically transmit, receive, or transmit and receive, data such as identification, position and additional data, as appropriate, in a broadcast mode via a data link.“Check pilot” means a pilot appointed by an AOC holder to conduct flight crew competency assessments on the AOC holder’s flight crew.“Configuration deviation list” or “CDL” means a list established by the organisation responsible for the type design with the approval of the State of Design which —

identifies any external parts of an aircraft type which may be missing at the commencement of a flight; and

contains any associated operating limitations and performance correction where necessary.“Contaminated”, in relation to a runway, means the runway has more than 25% of the runway surface area (whether isolated or not) within the required length and width of the runway surface being used is covered by the following:

surface water or slush more than 3 mm (0.125″) deep;

loose snow, equivalent to more than 20 mm (0.75″) of water; (c)compacted snow or ice, including wet ice.“Controlled flight” means any flight which is subject to an air traffic control clearance.“Co-pilot” means a pilot serving in any piloting capacity other than as pilot‑in‑command, but does not include a pilot who is on board an aircraft for the sole purpose of receiving flight instruction.“Cosmic radiation” means the ionising and neutron radiation of galactic and solar radiation that the aeroplane is exposed to.“Cruise relief pilot” means a flight crew member who is assigned to perform pilot tasks during cruise flight such that the pilot‑in‑command or a co‑pilot may obtain planned rest.“Current flight plan” means the flight plan that reflects changes (if any) to the filed flight plan brought about by subsequent air traffic control clearances.[S 911/2024 wef 28/11/2024]“Day off” means an extended rest period to cater to the requirement of managing cumulative fatigue during which a crew member is free of all duties.“Dry”, in relation to a runway, means a runway that is clear of contaminants and visible moisture within the required length and width of the runway surface being used.“Duty” means any task that a flight or cabin crew member is required by an AOC holder to perform, including, for example, flight duty, administrative work, training, positioning and standby when the doing of that task is likely to induce fatigue.“Duty period” means a period which starts when a flight or cabin crew member is required by the AOC holder to report for or to commence a duty and ends when that crew member is free from all duties.“Early start”, in relation to a duty period, means a scheduled departure that commences in the period 0500 to 0659 hours acclimated time.[S 212/2020 wef 01/04/2020]“Extended diversion time operations” or “EDTO” means any operation by an aeroplane with 2 or more turbine engines where the diversion time to an en‑route alternate aerodrome is greater than the threshold time established by the Authority in these Regulations.“EDTO critical fuel” means the fuel quantity necessary to fly to an en-route alternate aerodrome from the most critical point on the route upon considering the most limiting system failure.“Fatigue Risk Management System” or “FRMS” means a data‑driven means of continuously monitoring and managing fatigue‑related safety risks, based upon scientific principles and knowledge as well as operational experience, that aims to ensure relevant personnel are performing at adequate levels of alertness.“Flight data analysis” means a process of analysing recorded flight data in order to improve the safety of flight operations.“Flight duty period” means a period which commences when a flight or cabin crew member is required to report for any duty that includes a flight or series of flights and which finishes when the aircraft finally comes to rest and the engines are shut down at the end of the last flight on which he or she is a crew member.[S 769/2018 wef 24/11/2018]“Ground handling” means the services necessary for an aeroplane’s arrival at or departure from an aerodrome other than air traffic services.“Home base” means the location, nominated by the AOC holder in respect of a crew member, from which the crew member normally starts and ends a duty period or a series of duty periods.“Human factors principles” means principles which —

apply to aeronautical design, certification, training, operations and maintenance; and

seek safe interface between the human and other system components by giving proper consideration to human performance.“ICAO TI” means the Technical Instructions for the Safe Transport of Dangerous Goods by Air (Doc 9284), approved and issued in accordance with the procedure established by the Council of the International Civil Aviation Organization.“Integrity”, in relation to aeronautical data, means a degree of assurance that an aeronautical data and its value has not been lost nor altered since the data origination or authorised amendment.“Intentionally transmitting PED” means a PED that transmits electromagnetic signals on a specific frequency as part of its intended function.“Late finish”, in relation to a duty period, means a scheduled arrival that ends in the period 0100 to 0159 hours acclimated time.[S 212/2020 wef 01/04/2020]“Line maintenance” means maintenance activities required to prepare an aircraft for flight including —

pre-flight inspections and servicing;

daily inspections;

minor scheduled maintenance; and

defect rectification.“Local night” means a period of 8 hours falling between 2200 hours and 0800 hours local time.“Maximum diversion time” means the maximum allowable range, expressed in time, from a point on a route to an en‑route alternate aerodrome.“Mode S” means a transponder system that establishes selective and addressed interrogations with aircraft within its coverage for identification and altitude reporting.“Normal operating flight crew” means the minimum flight deck crew required for public transport operation in compliance with the Air Navigation Order and the Certificate of Airworthiness.“Performance Class A operations” means commercial air transport flights operated in accordance with the Performance Class A requirements in the Aviation Specifications 1 (AS‑1) issued by the Director‑General of Civil Aviation using —

a multi-engine aeroplane powered by turbo‑propeller engines with an MAPSC exceeding 9; or (b)a multi‑engine turbine‑powered aeroplane.“Performance Class C operations” means commercial air transport flights operated in accordance with the Performance Class C requirements in AS‑1 issued by the Director‑General of Civil Aviation using an aeroplane powered by at least one reciprocating engine with an MAPSC exceeding 9 or an MCTOM exceeding 5,700 kg.“Performance data” means material which provides the necessary data to establish the performance of the aeroplane.“Positioning” means the transporting of a crew member from place to place as a passenger on surface or air transport at the behest of the AOC holder.“Pre-flight inspection” means an inspection carried out before flight in accordance with the aircraft flight manual or an AOC holder’s Operations Manual, or as specified in the approved maintenance programme.“Preliminary flight plan” means the information related to a flight submitted by an AOC holder, or a designated representative of the AOC holder, to conduct collaborative planning of a flight prior to filing a flight plan.[S 911/2024 wef 28/11/2024]“Reporting time” means the time at which a crew member is required by the AOC holder to report for duty.“Rest period” means a continuous and defined uninterrupted period of time, subsequent to or prior to duty or both, during which an individual who is a flight or cabin crew member is free of all duties, and which period commences —

one hour after that individual is free of all duties, when the rest is subsequent to a duty period; or (b)when the individual is away from base, at the time the individual reaches the accommodation designated for the rest period or one hour after that individual is free of all duties, whichever results in a shorter duration.“Roster” means a list provided by an AOC holder containing the times when an individual acting as a crew member is required to undertake duties, and which includes, but is not restricted to, the following times:

flight time;

flight duty period;

standby duty;

rest period;

day off.“Standby duty” means a defined period of time (at the airport, hotel or at home) during which a crew member is required by the AOC holder to be available to receive an assignment for a specific duty without an intervening rest period.“Suitable accommodation” means a furnished bedroom which provides for the opportunity of adequate rest or sleep.“Task specialist” means a crew member who is not part of the flight crew or cabin crew and who carries out duties on board the aircraft which are essential to the purpose of the flight.“Threshold time” means the range, expressed in time, established by the Director‑General of Civil Aviation to an en‑route alternate aerodrome, whereby any time beyond requires an approval granted under the Air Navigation (98 — Special Operations) Regulations 2018 for EDTO operations is required.“Unforeseen operational circumstance” —

means an unplanned event, such as aircraft unserviceability, industrial action, operational contingencies and other such unforeseeable occurrences; and

excludes circumstances that are known sufficiently in advance such as scheduled charters or planned runway shortening.“Unintentionally transmitting PED” means a PED that emits electromagnetic signals as a by‑product of its operations.“Wet”, in relation to a runway, means a runway that is neither dry nor contaminated.“Window of circadian low”, in relation to a take‑off or landing, means the period 0200 to 0459 hours acclimated time.[S 212/2020 wef 01/04/2020]