The level of safety performance agreed by State authorities to be achieved for the civil aviation system in a State, as defined in its State safety programme, expressed in terms of safety performance targets and safety performance indicators. 

A single, identifiable person having responsibility for the effective and efficient performance of the service provider’s SMS. 

A formal process to manage changes within an organization in a systematic manner, so that changes which may impact identified hazards and risk mitigation strategies are accounted for, before the implementation of such changes. 

Specific mitigating actions, preventive controls or recovery measures put in place to prevent the realization of a hazard or its escalation into an undesirable consequence. 

An action or inaction by an operational person that leads to deviations from organizational, or the operational person’s, intentions or expectations.

A condition or an object with the potential to cause or contribute to an aircraft incident or accident. 

The process of incorporating defences, preventive controls or recovery measures to lower the severity and/or likelihood of a hazard’s projected consequence. 

The state in which risks associated with aviation activities, related to, or in direct support of the operation of aircraft, are reduced and controlled to an acceptable level. 

 A defined set of facts or set of safety values collected from various aviation-related sources, which is used to maintain or improve safety. Note.— Such safety data is collected from proactive or reactive safety-related activities, including but not limited to: a) accident or incident investigations; b) safety reporting; c) continuing airworthiness reporting; d) operational performance monitoring; (viii) Safety Management Manual (SMM) e) inspections, audits, surveys; or f) safety studies and reviews.

Safety data processed, organized or analysed in a given context so as to make it useful for safety management purposes. 

A systematic approach to managing safety, including the necessary organizational structures, accountability, responsibilities, policies and procedures. 

A brief, high-level statement of safety achievement or desired outcome to be accomplished by the State safety programme or service provider’s safety management system. Note.— Safety objectives are developed from the organization’s top safety risks and should be taken into consideration during subsequent development of safety performance indicators and targets. 

A function performed by a State to ensure that individuals and organizations performing an aviation activity comply with safety-related national laws and regulations. 

A State’s or service provider´s safety achievement as defined by its safety performance targets and safety performance indicators.

A data-based parameter used for monitoring and assessing safety performance.

The State or service provider’s planned or intended target for a safety performance indicator over a given period that aligns with the safety objectives.

The predicted probability and severity of the consequences or outcomes of a hazard. 

The State activities through which the State proactively verifies through inspections and audits that aviation licence, certificate, authorization or approval holders continue to meet the established requirements and function at the level of competency and safety required by the State. 

An organized, purposeful structure that consists of interrelated and interdependent elements and components, and related policies, procedures and practices created to carry out a specific activity or solve a problem.

An established level or criteria value for a particular safety performance indicator that serves to initiate an action required, (e.g., an evaluation, adjustment or remedial action).

unmanned aircraft system (‘UAS’) means an unmanned aircraft and the equipment to control it remotely;

 unmanned aircraft system operator’ (‘UAS operator’) means any legal or natural person operating or intending to operate one or more UAS;

‘assemblies of people’ means gatherings where persons are unable to move away due to the density of the people present;

‘UAS geographical zone’ means a portion of airspace established by the competent authority that facilitates, restricts or excludes UAS operations in order to address risks pertaining to safety, privacy, protection of personal data, security or the environment, arising from UAS operations;

‘robustness’ means the property of mitigation measures resulting from combining the safety gain provided by the mitigation measures and the level of assurance and integrity that the safety gain has been achieved;

‘standard scenario’ means a type of UAS operation in the ‘specific’ category, as defined in Appendix 1 of the Annex, for which a precise list of mitigating measures has been identified in such a way that the competent authority can be satisfied with declarations in which operators declare that they will apply the mitigating measures when executing this type of operation;

‘visual line of sight operation’ (‘VLOS’) means a type of UAS operation in which, the remote pilot is able to maintain continuous unaided visual contact with the unmanned aircraft, allowing the remote pilot to control the flight path of the unmanned aircraft in relation to other aircraft, people and obstacles for the purpose of avoiding collisions;

‘beyond visual line of sight operation’ (‘BVLOS’) means a type of UAS operation which is not conducted in VLOS;

'light UAS operator certificate’ (‘LUC’) means a certificate issued to a UAS operator by a competent authority as set out in part C of the Annex;

‘model aircraft club or association’ means an organisation legally established in a Member State for the purpose of conducting leisure flights, air displays, sporting activities or competition activities using UAS;

‘dangerous goods’ means articles or substances, which are capable of posing a hazard to health, safety, property or the environment in the case of an incident or accident, that the unmanned aircraft is carrying as its payload, including in particular: (a) explosives (mass explosion hazard, blast projection hazard, minor blast hazard, major fire hazard, blasting agents, extremely insensitive explosives); (b) gases (flammable gas, non-flammable gas, poisonous gas, oxygen, inhalation hazard); (c) flammable liquids (flammable liquids; combustible, fuel oil, gasoline); (d) flammable solids (flammable solids, spontaneously combustible solids, dangerous when wet); (e) oxidising agents and organic peroxides; (f) toxic and infectious substances (poison, biohazard); (g) radioactive substances; (h) corrosive substances;

 ‘payload’ means instrument, mechanism, equipment, part, apparatus, appurtenance, or accessory, including communications equipment, that is installed in or attached to the aircraft and is not used or intended to be used in operating or controlling an aircraft in flight, and is not part of an airframe, engine, or propeller;

‘direct remote identification’ means a system that ensures the local broadcast of information about a unmanned aircraft in operation, including the marking of the unmanned aircraft, so that this information can be obtained without physical access to the unmanned aircraft;

‘follow-me mode’ means a mode of operation of a UAS where the unmanned aircraft constantly follows the remote pilot within a predetermined radius;

‘geo-awareness’ means a function that, based on the data provided by Member States, detects a potential breach of airspace limitations and alerts the remote pilots so that they can take immediate and effective action to prevent that breach;

‘privately built UAS’ means a UAS assembled or manufactured for the builder’s own use, not including UAS assembled from sets of parts placed on the market as a single ready-to-assemble kit;

‘autonomous operation’ means an operation during which an unmanned aircraft operates without the remote pilot being able to intervene;

‘uninvolved persons’ means persons who are not participating in the UAS operation or who are not aware of the instructions and safety precautions given by the UAS operator;

‘making available on the market’ means any supply of a product for distribution, consumption or use on the Union market in the course of a commercial activity, whether in exchange of payment or free of charge;

 ‘placing on the market’ means the first making available of a product on the Union market;

‘controlled ground area’ means the ground area where the UAS is operated and within which the UAS operator can ensure that only involved persons are present;

 ‘maximum take-off mass’ (‘MTOM’) means the maximum Unmanned Aircraft mass, including payload and fuel, as defined by the manufacturer or the builder, at which the Unmanned Aircraft can be operated;

‘unmanned sailplane’ means an unmanned 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. It may be equipped with an engine to be used in case of emergency.

‘unmanned aircraft observer’ means a person, positioned alongside the remote pilot, who, by unaided visual observation of the unmanned aircraft, assists the remote pilot in keeping the unmanned aircraft in VLOS and safely conducting the flight;The State activities through which the State proactively verifies through inspections and audits that aviation licence, certificate, authorization or approval holders continue to meet the established requirements and function at the level of competency and safety required by the State. 

‘airspace observer’ means a person who assists the remote pilot by performing unaided visual scanning of the airspace in which the unmanned aircraft is operating for any potential hazard in the air;

‘command unit’ (‘CU’) means the equipment or system of equipment to control unmanned aircraft remotely as defined in point 32 of Article 3 of Regulation (EU) 2018/1139 which supports the control or the monitoring of the unmanned aircraft during any phase of flight, with the exception of any infrastructure supporting the command and control (C2) link service;

‘C2 link service’ means a communication service supplied by a third party, providing command and control between the unmanned aircraft and the CU;

‘flight geography’ means the volume(s) of airspace defined spatially and temporally in which the UAS operator plans to conduct the operation under normal procedures described in point (6)(c) of Appendix 5 to the Annex;

‘flight geography area’ means the projection of the flight geography on the surface of the earth; 

‘contingency volume’ means the volume of airspace outside the flight geography where contingency procedures described in point (6)(d) of Appendix 5 to the Annex are applied;

‘contingency area’ means the projection of the contingency volume on the surface of the earth; 

‘operational volume’ is the combination of the flight geography and the contingency volume; 

‘ground risk buffer’ is an area over the surface of the earth, which surrounds the operational volume and that is specified in order to minimise the risk to third parties on the surface in the event of the unmanned aircraft leaving the operational volume.

‘night’ means the hours between the end of evening civil twilight and the beginning of morning civil twilight as defined in Implementing Regulation (EU) No 923/2012