- accelerate-stop distance available (ASDA)
means the length of the take-off run available plus the length of stopway, if such stopway is declared available by the State of the aerodrome and is capable of bearing the mass of the aeroplane under the prevailing operating conditions;
- acceptable means of compliance (AMC)
means non-binding standards adopted by the Agency to illustrate means to establish compliance with Regulation (EC) No 216/2008 and its Implementing Rules;
- acceptance checklist
means a document used to assist in carrying out a check on the external appearance of packages of dangerous goods and their associated documents to determine that all appropriate requirements have been met with;
- acclimatised
means a state in which a crew member’s circadian biological clock is synchronised to the time zone where the crew member is.
- accommodation
means, for the purpose of standby and split duty, a quiet and comfortable place not open to the public with the ability to control light and temperature, equipped with adequate furniture that provides a crew member with the possibility to sleep, with enough capacity to accommodate all crew members present at the same time and with access to food and drink;
- adequate aerodrome
means an aerodrome on which the aircraft can be operated, taking account of the applicable performance requirements and runway characteristics;
- adequate vertiport
means a vertiport at which the VCA may be operated, taking account of the aircraft dimensions, weight, approach and departure paths, and which is provided with services and facilities necessary for the intended operation and is available at the expected time of use;
- adult
means a person of an age of 12 years and above;
- aerodrome operating minima
means the limits of usability of an aerodrome for:
- aeroplane
means an engine-driven fixed-wing aircraft heavier than air that is supported in flight by the dynamic reaction of the air against its wings;
- aided night vision imaging system (NVIS) flight
means, in the case of NVIS operations, that portion of a visual flight rules (VFR) flight performed at night when a crew member is using night vision goggles (NVG);
- air taxi operation
means, for the purpose of flight time and duty time limitations, a non-scheduled on demand commercial air transport operation with an aeroplane with a maximum operational passenger seating configuration (‘MOPSC’) of 19 or less;
- aircraft
means a machine that can derive support in the atmosphere from the reactions of the air other than the reactions of the air against the earth’s surface;
- aircraft tracking
means a ground based process that maintains and updates, at standardised intervals, a record of the four dimensional position of individual aircraft in flight;
- aircraft tracking system
means a system that relies on aircraft tracking in order to identify abnormal flight behaviour and provide alert;
- airport standby
means a standby performed at the airport;
- alternate aerodrome
means an adequate aerodrome to which an aircraft may proceed when it becomes either impossible or inadvisable to proceed to or land at the aerodrome of intended landing, where the necessary services and facilities are available, where aircraft performance requirements can be met, and which is operational at the expected time of use;
- alternative means of compliance
means those means that propose an alternative to an existing acceptable means of compliance or those that propose new means to establish compliance with Regulation (EC) No 216/2008 and its Implementing Rules for which no associated AMC have been adopted by the Agency;
- approach procedure with vertical guidance (APV) operation
means an instrument approach which utilises lateral and vertical guidance, but does not meet the requirements established for precision approach and landing operations, with a decision height (DH) not lower than 250 ft and a runway visual range (RVR) of not less than 600 m;
- augmented flight crew
means a flight crew which comprises more than the minimum number required to operate the aircraft, allowing each flight crew member to leave the assigned post, for the purpose of in-flight rest, and to be replaced by another appropriately qualified flight crew member;
- balloon
means a manned lighter-than-air aircraft which is not power-driven and sustains flight through the use of either a lighter-than-air gas or an airborne heater, including gas balloons, hot-air balloons, mixed balloons and, although power-driven, hot-air airships;
- balloon empty mass
means the mass determined by weighing the balloon with all the installed equipment a specified in the AFM;
- break
means a period of time within a flight duty period, shorter than a rest period, counting as duty and during which a crew member is free of all tasks;
- cabin crew member
means an appropriately qualified crew member, other than a flight crew or technical crew member, who is assigned by an operator to perform duties related to the safety of passengers and flight during operations;
- category A with respect to helicopters
means a multi-engined helicopter designed with engine and system isolation features specified in the applicable certification specification and capable of operations using take-off and landing data scheduled under a critical engine failure concept that assures adequate designated surface area and adequate performance capability for continued safe flight or safe rejected take-off in the event of engine failure;
- category B with respect to helicopters
means a single-engined or multi-engined helicopter that does not meet category A standards.
- category Enhanced
means a category for VCA certification and operation according to which the aircraft meets the requirements for continued safe flight and landing following a critical failure for performance (CFP);
- category I (CAT I) approach operation
means a precision instrument approach and landing using an instrument landing system (ILS), microwave landing system (MLS), GLS (ground-based augmented global navigation satellite system (GNSS/GBAS) landing system), precision approach radar (PAR) or GNSS using a satellite-based augmentation system (SBAS) with a decision height (DH) not lower than 200 ft and with a runway visual range (RVR) not less than 550 m for aeroplanes and 500 m for helicopters;
- category II (CAT II) operation
means a precision instrument approach and landing operation using ILS or MLS with:
- category IIIA (CAT IIIA) operation
means a precision instrument approach and landing operation using ILS or MLS with:
- category IIIB (CAT IIIB) operation
means a precision instrument approach and landing operation using ILS or MLS with:
- ceiling
means the height above the ground or water of the base of the lowest layer of cloud below 6000 m (20000 ft) covering more than half the sky;
- certification specifications
(CS) means technical standards adopted by the Agency indicating means to show compliance with Regulation (EC) No 216/2008 and its Implementing Rules and which can be used by an organisation for the purpose of certification;
- certified minimum performance (CMP)
means, in relation to VCA, the set of performance data obtained by considering the effect of single failures and combinations of failures that are not extremely improbable on nominal performance parameters;
- child/children
means persons who are of an age of two years and above but who are less than 12 years of age;
- circling
means the visual phase of a circling approach operation;
- circling approach operation
means a Type A instrument approach operation to bring an aircraft into position for landing on a runway/final approach and take-off area (FATO) that is not suitably located for a straight-in approach;
- clearway
means a defined rectangular area on the ground or on water under the control of the appropriate authority, selected or prepared as a suitable area over which an aircraft may make a portion of its initial climb to a specified height;
- cloud base
means the height of the base of the lowest observed or forecast cloud element in the vicinity of an aerodrome or operating site or within a specified area of operations, normally measured above aerodrome elevation or, in the case of offshore operations, above mean sea level;
- cockpit voice recorder (CVR)
means a crash-protected flight recorder that uses a combination of microphones and other audio and digital inputs to collect and record the aural environment of the flight crew compartment and communications to, from and between the flight crew members;
- code share
means an arrangement under which an operator places its designator code on a flight operated by another operator, and sells and issues tickets for that flight;
- commercial operation
means any operation of an aircraft, in return for remuneration or other valuable consideration, which is available for the public or, when not made available to the public, which is performed under a contract between an operator and a customer, where the latter has no control over the operator;
- competency
means a dimension of human performance that is used to reliably predict successful performance on the job and which is manifested and observed through behaviours that mobilise the relevant knowledge, skills and attitudes to carry out activities or tasks under specified conditions;
- competency framework
means a complete set of identified competencies that are developed, trained and assessed in the operator’s evidence-based training programme utilising scenarios that are relevant to operations and which is wide enough to prepare the pilot for both foreseen and unforeseen threats and errors;
- competency-based training
means assessment and training programmes that are characterised by a performance orientation, emphasis on standards of performance and their measurement and the development of training to the specified performance standards;
- competition flight
means any flying activity where the aircraft is used in air races or contests, as well as where the aircraft is used to practice for air races or contests and to fly to and from racing or contest events;
- complex motor-powered aircraft
shall mean:
- congested area
means in relation to a city, town or settlement, any area which is substantially used for residential, commercial or recreational purposes;
- contaminated runway
means a runway of which a significant portion of its surface area (whether in isolated areas or not) within the length and width being used is covered by one or more of the substances listed under the runway surface condition descriptors;
- contingency fuel/energy
means the fuel/energy required to compensate for unforeseen factors that could have an influence on the fuel/energy consumption to the destination aerodrome or vertiport;
- continued safe flight and landing (CSFL)
means, in relation to a VCA operated in the category Enhanced, that the aircraft is capable of continued controlled flight and landing at a vertiport, possibly using emergency procedures, without requiring exceptional piloting skills or strength;
- continuous descent final approach (CDFA)
means a technique, consistent with stabilised approach procedures, for flying the final approach segment (FAS) of an instrument non-precision approach (NPA) procedure as a continuous descent, without level-off, from an altitude/height at or above the final approach fix altitude/height:
- converted meteorological visibility (CMV)
means a value, equivalent to an RVR, which is derived from the reported meteorological visibility;
- crew member
means a person assigned by an operator to perform duties on board an aircraft;
- critical failure for performance (CFP)
means, in relation to VCA, a failure or a combination of failures that results in the maximum degradation for a given flight phase and performance parameter;
- critical phases of flight
means:
- current fuel/energy scheme
means the approved fuel/energy scheme that is currently used by the operator;
- damp runway
means a runway where the surface is not dry, but when the moisture on it does not give it a shiny appearance;
- dangerous goods (DG)
means articles or substances which are capable of posing a risk to health, safety, property or the environment and which are shown in the list of dangerous goods in the technical instructions or which are classified according to those instructions;
- dangerous goods accident
means an occurrence associated with and related to the transport of dangerous goods by air which results in fatal or serious injury to a person or major property damage;
- dangerous goods incident
means:
- decision altitude (DA) or decision height (DH)
means a specified altitude or height in a 3D instrument approach operation at which a missed approach procedure must be initiated if the required visual reference to continue the approach has not been established;
- defined point after take-off (DPATO)
means the point, within the take-off and initial climb phase, before which the helicopter’s ability to continue the flight safely, with the critical engine inoperative, is not assured and a forced landing may be required;
- defined point before landing (DPBL)
means the point within the approach and landing phase, after which the helicopter’s ability to continue the flight safely, with the critical engine inoperative, is not assured and a forced landing may be required;
- delayed reporting
means the postponement of a scheduled FDP by the operator before a crew member has left the place of rest;
- disruptive schedule
means a crew member’s roster which disrupts the sleep opportunity during the optimal sleep time window by comprising an FDP or a combination of FDPs which encroach, start or finish during any portion of the day or of the night where a crew member is acclimatised.
- distance DR
means the horizontal distance that the helicopter or the VCA has travelled from the end of the take-off distance available;
- dry lease agreement
means an agreement between undertakings pursuant to which the aircraft is operated under the air operator certificate (AOC) of the lessee or, in the case of commercial operations other than CAT, under the responsibility of the lessee;
- dry operating mass
means the total mass of the aircraft ready for a specific type of operation, excluding usable fuel and traffic load;
- dry runway
means a runway whose surface is free of visible moisture and not contaminated within the area intended to be used;
- duty
means any task that a crew member performs for the operator, including flight duty, administrative work, giving or receiving training and checking, positioning, and some elements of standby;
- duty period
means a period which starts when a crew member is required by an operator to report for or to commence a duty and ends when that person is free of all duties, including post-flight duty;
- electronic flight bag (EFB)
means an electronic information system, comprised of equipment and applications for flight crew, which allows for the storing, updating, displaying and processing of EFB functions to support flight operations or duties;
- elevated final approach and take-off area (elevated FATO)
means a FATO that is at least 3 m above the surrounding surface;
- emergency exit
means an installed exit-type egress point from the aircraft that allows maximum opportunity for cabin and flight crew compartment evacuation within an appropriate time period and includes floor level door, window exit or any other type of exit, for instance hatch in the flight crew compartment and tail cone exit;
- en-route alternate (ERA) aerodrome
means an adequate aerodrome along the route, which may be required at the planning stage;
- enrolled pilot
means the pilot that participates in the EBT recurrent training programme;
- enrolment
means the administrative action carried out by the operator where a pilot participates in the operator’s EBT programme;
- equivalency of approaches
means all the approaches that place an additional demand on a proficient crew regardless of whether they are used or not in the EBT modules;
- equivalency of malfunctions
means all the malfunctions that put a significant demand on a proficient crew regardless of whether they are used or not in the EBT modules;
- evaluation phase
means one of the phases of an EBT modulewhich is a line-orientated flight scenario, representative of the operator’s environment during which there are one or more occurrences to evaluate key elements of the defined competency framework;
- evidence-based training (EBT)
means assessment and training based on operational data that is characterised by developing and assessing the overall capability of a pilot across a range of competencies (competency framework) rather than by measuring the performance in individual events or manoeuvres;
- final approach and take-off area (FATO)
means a defined area for helicopter or VCA operations over which the final phase of the approach manoeuvre to hover or land is completed, and from which the take-off manoeuvre is commenced;
- final approach segment (FAS)
means that segment of an instrument approach procedure (IAP) in which alignment and descent for landing are accomplished;
- flight crew member
means a licensed crew member charged with duties essential to the operation of an aircraft during a flight duty period;
- flight data monitoring (FDM)
means the proactive and non-punitive use of digital flight data from routine operations to improve aviation safety;
- flight data recorder (FDR)
means a crash-protected flight recorder that uses a combination of data sources to collect and record parameters that reflect the state and performance of the aircraft;
- flight dispatcher
means a person designated by the operator to engage in the control and supervision of flight operations, who is suitably qualified, who supports, briefs or assists, or both, the pilot-in-command in the safe conduct of the flight;
- flight following
means the recording in real time of departure and arrival messages by operational personnel to ensure that a flight is operating and has arrived at the destination aerodrome or an alternate aerodrome;
- flight monitoring
means, in addition to the requirements defined for flight following:
- flight recorder
means any type of recorder that is installed on the aircraft for the purpose of facilitating accident or incident safety investigations;
- flight simulation training device (FSTD)
means a training device which is:
- flight time
means, for aeroplanes, the time between an aircraft first moving from its parking place for the purpose of taking off until it comes to rest on the designated parking position and all engines or propellers are shut down;
- flight watch
means, in addition to all elements defined for ‘flight monitoring’, the active tracking of a flight by suitably qualified operational-control personnel throughout all phases of the flight to ensure that the flight is following its prescribed route without unplanned deviations, diversions or delays;
- flying display
means any flying activity deliberately performed for the purpose of providing an exhibition or entertainment at an advertised event open to the public, including where the aircraft is used to practice for a flying display and to fly to and from the advertised event;
- fuel ERA aerodrome
means an ERA aerodrome selected for the purpose of reducing contingency fuel;
- fuel/energy en route alternate (fuel/energy ERA) aerodrome
means an ERA aerodrome that is required at the planning stage for use in the calculation of fuel/energy;
- go-around
means a transition from an approach operation to a stabilised climb.
- ground emergency service personnel
means any ground emergency service personnel, such as police officers, firefighters, etc., involved in helicopter emergency medical services (HEMSs) or in emergency medical services with VCA (VEMSs) and whose tasks are to any extent pertinent to the operation;
- ground movement
means the movement of an aircraft on the movement area of an aerodrome or a vertiport with the aid of external equipment or accessory that is not powered by the aircraft;
- ground personnel
means the personnel other than flight crew members or technical crew members that are assigned to tasks related to the ground movement of the VCA or any other ground assistance provided to aircraft, and have received training in the relevant operational and safety procedures;
- grounding
means the formal prohibition of an aircraft to take-off and the taking of such steps as are necessary to detain it;
- gyroplane
means a type of rotorcraft supported in flight by the reactions of the air on up to two rotors which rotate freely on substantially vertical axes.
- head-up display landing system (HUDLS)
means the total airborne system which provides head-up guidance to the pilot to enable the pilot to either control the aircraft or to monitor the autopilot during take-off (if applicable), approach and landing (and roll-out if applicable), or go-around.
- head-up guidance landing system (HUDLS)
means the total airborne system that provides head-up guidance to the pilot during the approach and landing and/or missed approach procedure.
- helicopter
means a heavier-than-air aircraft supported in flight chiefly by the reactions of the air on one or more power-driven rotors on substantially vertical axes;
- helicopter hoist operation (HHO) crew member
means a technical crew member who performs assigned duties relating to the operation of a hoist;
- helideck
means a FATO located on a floating or fixed offshore structure;
- high risk commercial specialised operation
means any commercial specialised aircraft operation carried out over an area where the safety of third parties on the ground is likely to be endangered in the event of an emergency, or, as determined by the competent authority of the place where the operation is conducted, any commercial specialised aircraft operation that, due to its specific nature and the local environment in which it is conducted, poses a high risk, in particular to third parties on the ground;
- hold-over time (HoT)
means the estimated time the anti-icing fluid will prevent the formation of ice and frost and the accumulation of snow on the protected (treated) surfaces of an aeroplane;
- home base
means the location, assigned by the operator to the crew member, from where the crew member normally starts and ends a duty period or a series of duty periods and where, under normal circumstances, the operator is not responsible for the accommodation of the crew member concerned;
- hostile environment
means:
- human–machine interface (HMI)
means a component of certain devices that is capable of handling human–machine interactions.
- in-seat instruction
means a technique used in the manoeuvres training phase or the scenario-based training phase, where the instructors can:
- infant
means a person under the age of two years;
- innovative air mobility (IAM) operations
means any operation with vertical take-off and landing (VTOL)-capable aircraft in congested and non-congested areas;
- instructor concordance
means the consistency or stability of scores between different EBT instructorswhich gives a score (or scores) of how much homogeneity, or consensus, there is in the ratings given by instructors (raters);
- instrument approach operation
means an approach and landing using instruments for navigation guidance based on an instrument approach procedure (IAP).
- instrument approach procedure (IAP)
means a series of predetermined manoeuvres by reference to flight instruments with specified protection from obstacles from the initial approach fix or, where applicable, from the beginning of a defined arrival route to a point from which a landing can be completed and thereafter, if a landing is not completed, to a position at which holding or en-route obstacle clearance criteria apply.
- introductory flight
means any operation against remuneration or other valuable consideration consisting of an air tour of short duration for the purpose of attracting new trainees or new members, performed either by a training organisation referred to in Article 10a of Commission Regulation (EU) No 1178/2011 or by an organisation created with the aim of promoting aerial sport or leisure aviation;
- landing decision point (LDP)
means:
- landing distance at time of arrival (LDTA)
means a landing distance that is achievable in normal operations based on landing performance data and associated procedures determined for the prevailing conditions at the time of landing;
- landing distance available
means:
- landing distance required (LDR)
means:
- landplane
means a fixed wing aircraft which is designed for taking off and landing on land and includes amphibians operated as landplanes;
- limited overwater operation
means an IAM operation with a VCA that is conducted for a limited flight time over water;
- line check
means a check conducted by the operator and completed by the pilot or the technical crew member to demonstrate competence in carrying out normal line operations described in the operations manual;
- line-orientated flight scenario
means the assessment and training involving a realistic, ‘real-time’, full mission simulation of scenarios that are representative of line operations;
- local day
means a 24-hour period commencing at 00:00 local time;
- local helicopter operation (LHO)
means a commercial air transport operation of helicopters with a maximum certified take-off mass (MCTOM) over 3175 kg and a maximum operational passenger seating configuration (MOPSC) of nine or less, by day, over routes navigated by reference to visual landmarks, conducted within a local and defined geographical area specified in the operations manual;
- local night
means a period of 8 hours falling between 22:00 and 08:00 local time;
- low-visibility operations (LVOs)
means approach or take-off operations on a runway with a runway visual range less than 550 m or with a decision height less than 200 ft;
- low-visibility take-off (LVTO)
means a take-off with an RVR less than 550 m;
- lower than standard category I (LTS CAT I) operation
means a category I instrument approach and landing operation using category I DH, with an RVR lower than would normally be associated with the applicable DH but not lower than 400 m;
- manned VCA
means a VCA piloted by at least one pilot on board.
- manoeuvres training phase
means a phase of an EBT module during which, according to aircraft generation, crews have time to practise and improve performance in largely psychomotor skill-based exercises by achieving a prescribed flight path or performing a prescribed event to a prescribed outcome;
- maximum operational passenger seating configuration (MOPSC)
means the maximum passenger seating capacity of an individual aircraft, excluding crew seats, established for operational purposes and specified in the operations manual.
- medical passenger
means a medical person carried in a helicopter during a HEMS flight or in a VCA during a VEMS flight, including but not limited to doctors, nurses and paramedics;
- minimum descent altitude (MDA) or minimum descent height (MDH)
means a specified altitude or height in a 2D instrument approach operation or circling approach operation below which descent must not be made without the required visual reference;
- minor failure condition
means a failure condition that would not significantly reduce aircraft safety, and which involves flight crew actions that are well within their capabilities;
- misuse of substances
means the use of one or more psychoactive substances by flight crew, cabin crew members and other safety-sensitive personnel in a way that:
- mixed EBT programme
means an operator’s recurrent training and checking programme as per ORO.FC.230, a portion of which is dedicated to the application of EBT but which does not replace proficiency checks as per Appendix 9 to Annex I (Part-FCL) to Regulation (EU) No 1178/2011;
- night
means the period between the end of evening civil twilight and the beginning of morning civil twilight or such other period between sunset and sunrise as may be prescribed by the appropriate authority, as defined by the Member State;
- night duty
means a duty period encroaching any portion of the period between 02:00 and 04:59 in the time zone to which the crew is acclimatised;
- night vision goggles (NVG)
means a head-mounted, binocular, light intensification appliance that enhances the ability to maintain visual surface references at night;
- night vision imaging system (NVIS)
means the integration of all elements required to successfully and safely use NVGs while operating a helicopter.
- non-hostile environment
means an environment in which: In any case, those parts of a congested area with adequate safe forced landing areas shall be considered non-hostile;
- non-precision approach (NPA) operation
means an instrument approach with a minimum descent height (MDH), or DH when flying a CDFA technique, not lower than 250 ft and an RVR/CMV of not less than 750 m for aeroplanes and 600 m for helicopters;
- obstacle clearance altitude (OCA) or obstacle clearance height (OCH)
means the lowest altitude or the lowest height above the elevation of the relevant runway threshold or the aerodrome elevation, as applicable, used in establishing compliance with the appropriate obstacle clearance criteria;
- offshore location
means a facility intended to be used for helicopter operations on a fixed or floating offshore structure or a vessel;
- offshore operation
means a helicopter operation that has a substantial proportion of any flight conducted over open sea areas to or from an offshore location;
- open sea area
means the area of water to seaward of the coastline;
- operating crew member
means a crew member carrying out duties in an aircraft during a sector;
- operating site
means a site, other than an aerodrome, selected by the operator or pilot-in-command or commander for landing, take-off and/or external load operations;
- operation in performance class 1
means an operation that, in the event of failure of the critical engine, the helicopter is able to land within the rejected take-off distance available or safely continue the flight to an appropriate landing area, depending on when the failure occurs;
- operation in performance class 2
means an operation that, in the event of failure of the critical engine, performance is available to enable the helicopter to safely continue the flight, except when the failure occurs early during the take-off manoeuvre or late in the landing manoeuvre, in which cases a forced landing may be required;
- operation in performance class 3
means an operation that, in the event of an engine failure at any time during the flight, a forced landing may be required in a multi-engined helicopter and will be required in a single-engined helicopter;
- operational control
means the responsibility for the initiation, continuation, termination or diversion of a flight in the interest of safety;
- operational credit
means a credit for operations with an advanced aircraft enabling lower aerodrome operating minima than would normally be established by the operator for a basic aircraft, based upon the performance of advanced aircraft systems utilising the available external infrastructure.
- operator proficiency check
means a check conducted by the operator and completed by the pilot or the technical crew member to demonstrate competence in carrying out normal, abnormal and emergency procedures;
- other standby
means a standby either at home or in a suitable accommodation;
- performance class A aeroplanes
means multi-engined aeroplanes powered by turbo-propeller engines with an MOPSC of more than nine or a maximum take-off mass exceeding 5700 kg, and all multi-engined turbo-jet powered aeroplanes;
- performance class B aeroplanes
means aeroplanes powered by propeller engines with a maximum operational passenger seating configuration of nine or less and a maximum take-off mass of 5700 kg or less;
- performance class C aeroplanes
means aeroplanes powered by reciprocating engines with an MOPSC of more than nine or a maximum take-off mass exceeding 5700 kg;
- performance-based navigation (PBN)
means area navigation based on performance requirements for aircraft operating along an ATS route, on an instrument approach procedure or in a designated airspace;
- personnel-carrying device system (PCDS)
means a system including one or more devices that is either attached to a hoist or cargo hook or mounted to the rotorcraft airframe during human external cargo (HEC) or helicopter hoist operations (HHO).
- pilot-in-command (PIC)
means the pilot designated as being in command and charged with the safe conduct of the flight;
- portable EFB
means a portable EFB host platform, used on the flight deck, which is not part of the configuration of the certified aircraft;
- portable electronic device (PED)
means any kind of electronic device, typically but not limited to consumer electronics, brought on board the aircraft by crew members, passengers, or as part of the cargo, that is not included in the configuration of the certified aircraft.
- positioning
means the transferring of a non-operating crew member from one place to another, at the behest of the operator, excluding:
- principal place of business
means the head office or registered office of the organisation within which the principal financial functions and operational control of the activities referred to in this Regulation are exercised;
- prioritisation of ramp inspections
means the dedication of an appropriate portion of the total number of ramp inspections conducted by or on behalf of a competent authority on an annual basis as provided in Part-ARO;
- proficient
means having demonstrated the necessary skills, knowledge and attitudes that are required to perform any defined tasks to the prescribed standard;
- psychoactive substances
means alcohol, opioids, cannabinoids, sedatives and hypnotics, cocaine, other psychostimulants, hallucinogens, and volatile solvents, with the exception of caffeine and tobacco;
- public interest site (PIS)
means a site used exclusively for operations in the public interest;
- ramp inspection
means the inspection of aircraft, of flight and cabin crew qualifications and of flight documentation in order to verify the compliance with the applicable requirements;
- rectification interval
means a limitation on the duration of operations with inoperative equipment;
- reference time
means the local time at the reporting point situated in a 2-hour wide time zone band around the local time where a crew member is acclimatised;
- rejected take-off distance available (RTODA)
means:
- rejected take-off distance required (RTODR)
means:
- required navigation performance (RNP) specification
means a navigation specification for PBN operations which includes a requirement for on-board navigation performance monitoring and alerting;
- reserve
means a period of time during which a crew member is required by the operator to be available to receive an assignment for an FDP, positioning or other duty notified at least 10 hours in advance;
- rest facility
means a bunk or seat with leg and foot support suitable for crew members’ sleeping on board an aircraft;
- rest period
means a continuous, uninterrupted and defined period of time, following duty or prior to duty, during which a crew member is free of all duties, standby and reserve;
- rotorcraft
means a power-driven, heavier-than-air aircraft that depends principally for its support in flight on the lift generated by up to two rotors;
- rules of the air
means the rules established in Commission Implementing Regulation (EU) No 923/2012;
- runway condition report (RCR)
means a comprehensive standardised report relating to the conditions of the runway surface and their effect on the aeroplane landing and take-off performance, described by means of runway conditions code;
- runway visual range (RVR)
means the range over which the pilot of an aircraft on the centre line of a runway can see the runway surface markings or the lights delineating the runway or identifying its centre line;
- safe forced landing
means an unavoidable landing or ditching with a reasonable expectancy of no injuries to persons in the aircraft or on the surface;
- safe landing
means, in the context of the fuel/energy policy or fuel/energy schemes, a landing at an adequate aerodrome or operating site or at an adequate vertiport or diversion location with no less than the final reserve fuel/energy remaining and in compliance with the applicable operational procedures and aerodrome operating minima;
- safety-sensitive personnel
means persons who might endanger aviation safety if they perform their duties and functions improperly, including flight crew and cabin crew members, aircraft maintenance personnel and air traffic controllers;
- sailplane
means a heavier-than-air aircraft that is supported in flight by the dynamic reaction of the air against its fixed lifting surfaces, the free flight of which does not depend on an engine;
- scenario-based training phase
means a phase of an EBT module which focuses on the development of competencies, whilst the pilot is trained to mitigate the most critical risks identified for the aircraft generation.
- seaplane
means a fixed wing aircraft which is designed for taking off and landing on water and includes amphibians operated as seaplanes;
- sector
means the segment of an FDP between an aircraft first moving for the purpose of taking off until it comes to rest after landing on the designated parking position;
- separate runways
means runways at the same aerodrome that are separate landing surfaces.
- single day free of duty
means, for the purpose of complying with the provisions of Council Directive 2000/79/EC, a time free of all duties and standby consisting of one day and two local nights, which is notified in advance.
- special VFR flight
means a VFR flight cleared by air traffic control to operate within a control zone in meteorological conditions below VMC;
- specialised operation
means any operation, other than commercial air transport operation, where the aircraft is used for specialised activities such as agriculture, construction, photography, surveying, observation and patrol, aerial advertisement, maintenance check flights;
- specially prepared winter runway
means a runway with a dry frozen surface of compacted snow or ice which has been treated with sand or grit or has been mechanically treated to improve runway friction;