Page 14 - UK ATM ANS Regulations (Consolidated) 201121

ANNEX I - Definitions of terms used in Annexes II to XIII

GENERAL REGULATION INFORMATION
Part DEF
ANNEX I - Definitions of terms used in Annexes II to XIII
Commission Implementing Regulation (EU) 2017/373 of 1 March 2017 laying down common
requirements for providers of air traffic management/air navigation services and other air traffic
management network functions and their oversight, repealing Regulation (EC) No 482/2008,
Implementing Regulations (EU) No 1034/2011, (EU) No 1035/2011 and (EU) 2016/1377 and
amending Regulation (EU) No 677/2011 (Retained EU Legislation)

REGULATION ITEMS BY SECTION

DEFINITIONS PART DEFINITIONS
Reference Description
ATM/ANS.DEF ANNEX I — PART-DEFINITIONS DEFINITIONS OF TERMS USED IN ANNEXES II TO XIII (PART-
DEFINITIONS)
For the purposes of Annexes II to XIII, the following definitions shall apply:
(1) ‘acceptable means of compliance (AMC)’ means non-binding standards adopted by the
competent authority to illustrate means to establish compliance with Regulation (EC) No
216/2008 and its implementing rules;
(1) (A) ‘air-ground communication’ means two-way communication between aircraft and
stations or locations on the surface of the Earth;
(2) ‘aerial work’ means an aircraft operation in which an aircraft is used for specialised
services such as agriculture, construction, photography, surveying, observation and
patrol, search and rescue or aerial advertisement;
(3) ‘aerodrome climatological summary’ means a concise summary of specified
meteorological elements at an aerodrome, based on statistical data;
(4) ‘aerodrome climatological table’ means a table providing statistical data on the observed
occurrence of one or more meteorological elements at an aerodrome;
(5) ‘aerodrome elevation’ means the elevation of the highest point of the landing area;
(6) ‘aerodrome flight information service (AFIS)’ means flight information service and alerting
service for aerodrome traffic at an aerodrome;
(7) ‘aerodrome meteorological office’ means an office responsible for providing
meteorological service for an aerodrome;
(8) ‘aerodrome warning’ means information issued by an aerodrome meteorological office
concerning the occurrence or expected occurrence of meteorological conditions which
could adversely affect aircraft on the ground, including parked aircraft and the aerodrome
facilities and services;
(9) ‘aeronautical data’ means a representation of aeronautical facts, concepts or instructions
in a formalised manner suitable for communication, interpretation or processing;
(10) ‘aeronautical database’ means a collection of aeronautical data organised and arranged
as a structured data set, stored electronically on systems, which is valid for a dedicated
period and may be updated;
(11) ‘aeronautical fixed service (AFS)’ means a telecommunication service between specified
fixed points provided primarily for the safety of air navigation and for the regular, efficient
and economical operation of air services;
(12) ‘aeronautical fixed telecommunication network (AFTN)’ means a worldwide system of
aeronautical fixed circuits provided, as part of the AFS, for the exchange of messages
and/or digital data between aeronautical fixed stations having the same or compatible
communications characteristics;
(13) ‘aeronautical information’ means information resulting from the assembly, analysis and
formatting of aeronautical data;
(14) ‘aerodrome mapping data’ means data collected for the purpose of compiling aerodrome
mapping information;
(15) ‘aerodrome mapping database (AMDB)’ means a collection of aerodrome mapping data
organised and arranged as a structured data set;
(16) ‘aeronautical meteorological station’ means a station making observations and
meteorological reports for use in air navigation;
(17) ‘air-report’ means a report from an aircraft in flight prepared in conformity with the
requirements for position and operational and/or meteorological reporting;
(18) ‘aircraft’ means any 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;
(19) ‘AIRMET message’ means information issued by a meteorological watch office
concerning the occurrence or expected occurrence of specified en-route weather
phenomena which may affect the safety of low-level aircraft operations and of the
development of those phenomena in time and space, and which was not already included
in the forecast issued for low-level flights in the flight information region concerned or sub-
area thereof;
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