# Commission Regulation (EU) No 1089/2010 of 23 November 2010 implementing Directive 2007/2/EC of the European Parliament and of the Council as regards interoperability of spatial data sets and services, Division 7.1: Definitions

Extent: E+W+S+N.I.

In addition to the definitions set out in Article 2, the following definitions shall apply:
‘aerodrome reference point’ means the designated geographical location of an aerodrome, located near the initial or planned geometric centre of the aerodrome and normally remaining where originally established,
‘airport/heliport’ means a defined area on land or water (including any buildings, installations and equipment) intended to be used either wholly or in part for the arrival, departure and surface movement of aircraft/helicopters,
‘deep water route’ means a route in a designated area within defined limits which has been accurately surveyed for clearance of sea bottom and submerged obstacles to a minimum indicated depth of water,
‘inter-modal connection’ means a connection between two elements in different transport networks that use a different transport mode, giving the possibility to change transported media (people, goods, etc) from one transport mode to another,
‘linear element’ means a 1-dimensional object that serves as the axis along which linear referencing is performed,
‘linear referencing’ means a specification of a location relative to a one-dimensional object as a measurement along (and optionally offset from) that element,
‘navaid equipment’ means a physical navaid equipment placed on the Earth surface, like Very High Frequency Omnidirectional Radio Range (VOR), Distance Measuring Equipment (DME), localizer, Tactical Air Navigation Beacon (TACAN) etc., which help in guiding aircraft traffic safely through existing air routes,
‘object referencing’ means providing the spatial extent of an object by referring to an existing spatial object or collection of spatial objects,
‘railway yard’ means an area crossed by a number of parallel railway tracks (usually more than two) interconnected between them, which are used to stop trains in order to load / unload freight without interrupting the traffic of a main railway line,
‘significant point’ means a specified geographical location used to define an Air Traffic Service (ATS) route, the flight path of an aircraft or for other navigation/ATS purposes,
‘Area Navigation (RNAV)’ means a method of navigation which permits aircraft operation on any desired flight path within the coverage of station-referenced navigation aids or within the limits of the capability of self-contained aids, or a combination of both,
‘TACAN Navigation’ means a method of navigation which permits aircraft operation on any desired flight path within the coverage of station-referenced Tactical Air Navigation Beacon (TACAN) navigation aids.

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Source: https://www.legislation.gov.uk/eur/2010/1089/annex/II/division/7/division/7.1 (the official version)
Page: https://openlegislation.uk/eu-regulation-2010-1089/annex-II/division-7/division-7.1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.