# 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 (Text with EEA relevance), Division: AIS.OR.355 Terrain data sets

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

An AIS provider shall ensure that terrain data, if available, is provided:
(a)for Area 1, as laid down in point AIS.TR.350; and
(b)for aerodromes to cover:
(1)Area 2a or parts of Area 2a, as laid down in point AIS.TR.350(b)(1);
(2)Areas 2b, 2c and 2d or parts of those Areas, as laid down in points AIS.TR.350(b)(2), (3) and (4), for terrain:
(i)within 10 km from the aerodrome reference point (ARP); and
(ii)beyond 10 km from the ARP if the terrain penetrates the horizontal plane 120 m above the lowest runway elevation;
(3)the take-off flight path area or parts of that area;
(4)an area, or parts of an area, bounded by the lateral extent of the aerodrome obstacle limitation surfaces;
(5)Area 3 or parts of Area 3, as laid down in point AIS.TR.350(c), for terrain that extends 0.5 m above the horizontal plane, passing through the nearest point on the aerodrome movement area; and
(6)Area 4 or parts of Area 4, as laid down in point AIS.TR.350(d), for all runways where precision approach Category II or III operations have been established and where detailed terrain information is required by operators to enable them to assess the effect of terrain on decision height determination by use of radio altimeters.

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Source: https://www.legislation.gov.uk/eur/2017/373/annex/VI/division/1/division/Chapter/division/5n1 (the official version)
Page: https://openlegislation.uk/eu-regulation-2017-373/annex-VI/division-1/division-Chapter/division-5n1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.