{
  "url": "https://openlegislation.uk/eu-regulation-2019-838/annex/appendix-B",
  "json_url": "https://openlegislation.uk/eu-regulation-2019-838/annex/appendix-B.json",
  "legislation": "eur/2019/838",
  "legislation_title": "Commission Implementing Regulation (EU) 2019/838 of 20 February 2019 on technical specifications for vessel tracking and tracing systems and repealing Regulation (EC) No 415/2007",
  "legislation_url": "https://openlegislation.uk/eu-regulation-2019-838",
  "path": "annex/appendix/B",
  "kind": "appendix",
  "number": "B",
  "heading": "DIGITAL INTERFACE SENTENCES FOR INLAND AIS",
  "text": "B.1\nInput sentences\nThe serial digital interface of the AIS is supported by existing IEC 61162 sentences. The detailed descriptions for the digital interface sentences are found in IEC 61162.\nIn addition the following digital interface sentences are defined for Inland AIS mobile station.\nB.2\nInland waterway static ship data\nThis sentence is used to change settings, which are not covered by SSD and VSD.\n$PIWWSSD,cccccccc,xxxx,x.x,x.x,x,x,x,x.x,x.x,x.x,x.x*hh<CR><LF>\nfield 1 2 3 4 5 6 7 8 9 10 11\nField\nFormat\nDescription\n1\ncccccccc\nENI number\n2\nxxxx\ninland vessel type according to APPENDIX C\n3\nx.x\nlength of vessel 0 to 800,0 metre\n4\nx.x\nbeam of vessel 0 to 100,0 metre\n5\nx\nquality of speed information 1 = high or 0 = low\n6\nx\nquality of course information 1 = high or 0 = low\n7\nx\nquality of heading information 1 = high or 0 = low\n8\nx.x\nB value for internal reference position (distance reference point to stern)\n9\nx.x\nC value for internal reference position (distance reference point to port side)\n10\nx.x\nB value for external reference position (distance reference point to stern)\n11\nx.x\nC value for external reference position (distance reference point to port side)\nB.3\nInland waterway voyage data\nThis sentence is used to enter inland navigation voyage vessel data into an Inland AIS mobile station. For setting the inland voyage related data the sentence $PIWWIVD with the following content is used\n$PIWWIVD,x,x,x,x.x,x.x,x,xxx,xxxx,xxx,x.x,x.x,x.x,x.x*hh<CR><LF>\nfield 1 2 3 4 5 6 7 8 9 10 11 12 13\nField\nFormat\nDescription\n1\nx\nSee Recommendation ITU-R M.1371 Msg 23 reporting interval settings, default setting: 0\n2\nx\nnumber of blue cones: 0-3, 4 = B-Flag, 5 = default = unknown\n3\nx\n0 = not available = default, 1 = loaded, 2 = unloaded, rest not used\n4\nx.x\nstatic draught of vessel 0 to 20,00 metres, 0 = unknown = default, rest not used\n5\nx.x\nair draught of vessel 0 to 40,00 metres, 0 = unknown = default, rest not used\n6\nx\nnumber of assisting tugboats 0-6, 7 = default = unknown, rest not used\n7\nxxx\nnumber of crew members on board 0 to 254, 255 = unknown = default, rest not\n8\nxxxx\nnumber of passengers on board 0 to 8 190, 8 191 = unknown = default, rest not used\n9\nxxx\nnumber of shipboard personnel on board 0 to 254, 255 = unknown = default, rest not used\n10\nx.x\nConvoy extension to bow in (metre.decimetre = resolution in dm)\n11\nx.x\nConvoy extension to stern in (metre.decimetre = resolution in dm)\n12\nx.x\nConvoy extension to port side in (metre.decimetre = resolution in dm)\n13\nx.x\nConvoy extension to starboard side in (metre.decimetre = resolution in dm)\nIn case of null fields the corresponding configuration setting shall not be changed.",
  "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/2019/838/annex/appendix/B",
    "retrieved_at": "2026-11-01T14:43:22.038059+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."
}