{
  "url": "https://openlegislation.uk/eu-regulation-2018-1973/annex/division-ELECTRONIC/section-1/division-4/division-4.4",
  "json_url": "https://openlegislation.uk/eu-regulation-2018-1973/annex/division-ELECTRONIC/section-1/division-4/division-4.4.json",
  "legislation": "eur/2018/1973",
  "legislation_title": "Commission Implementing Regulation (EU) 2018/1973 of 7 December 2018 amending Implementing Regulation (EU) No 909/2013 on the technical specifications for the electronic chart display and information system for inland navigation (Inland ECDIS) referred to in Directive 2005/44/EC of the European Parliament and of the Council",
  "legislation_url": "https://openlegislation.uk/eu-regulation-2018-1973",
  "path": "annex/division/ELECTRONIC/section/1/division/4/division/4.4",
  "kind": "division",
  "number": "4.4",
  "heading": "Display of SENC information",
  "text": "(a) The display of SENC information shall be divided into the following three display categories:\nDisplay Base\nStandard Display (Standard Information Density)\nAll Display.\nThe allocation of the feature classes to the display categories is given in detail in the Look-up Tables of the document referred to in point 2(i) of Section 1 of this Annex.\n(b) The Display Base category shall contain at least the following features:\nbank of waterway (at mean water level),\nshoreline construction (e.g. groin, longitudinal control dam, training wall – any facility that is considered a hazard to navigation),\ncontours of locks and dams,\nboundaries of the fairway/navigation channel (if defined),\nisolated dangers in the fairway/navigation channel under water,\nisolated dangers in the fairway/navigation channel above water level, such as bridges, overhead wires etc.,\nofficial aids-to-navigation (e.g. buoys, lights and beacons).\n(c) The Standard Display (Standard Information Density) category shall contain at least the following features:\nthe objects of Display Base category,\nprohibited and restricted areas,\npiers for commercial vessels (cargo and passenger),\nkilometre and hectometre or mile marks on the banks.\n(d) The All Display category shall display all features that are contained in the Inland SENC, individually on demand.\n(e) When starting the Inland ECDIS, it shall come up with the Standard Information Density as defined in the document referred to in point 2(c) of Section 1 and the Glossary of Terms in Section 5 of this Annex.\n(f) Inland ECDIS shall be switchable to the Standard Information Density at any time by a single operator action.\n(g) Inland ECDIS shall clearly indicate the information density in use at all times.\n(h) Time variable depth information in the ENC shall be displayed independently of the three display categories referred to in point (a).",
  "extent": "E+W+S+N.I.",
  "status": null,
  "version": "current",
  "annotations": [],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/eur/2018/1973/annex/division/ELECTRONIC/section/1/division/4/division/4.4",
    "retrieved_at": "2026-11-01T14:43:43.977506+00:00"
  },
  "licence": "Open Government Licence v3.0",
  "licence_url": "https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/",
  "attribution": "Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives."
}