{
  "url": "https://openlegislation.uk/eu-regulation-2019-838/annex/division-3/division-3.4/division-3.4.2",
  "json_url": "https://openlegislation.uk/eu-regulation-2019-838/annex/division-3/division-3.4/division-3.4.2.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/division/3/division/3.4/division/3.4.2",
  "kind": "division",
  "number": "3.4.2",
  "heading": "Ship static and voyage related data (Message 5)",
  "text": "Table 3.3\nShip static and dynamic data report\nShall be set to 0 for inland vessels.\nBest applicable vessel type shall be used for inland navigation (see APPENDIX C).\nThe dimensions shall be set to the maximum rectangle size of the convoy.\nThe decimetre accuracy of the inland information shall be rounded upwards.\nThe reference point information has to be taken out of the SSD interface sentence by distinguishing the field ‘source identifier’. Position reference point information with source identifier AI, has to be stored as internal one. Other source identifiers shall lead to reference point information for the external reference point.\nThe centimetre accuracy on the inland information shall be rounded upwards.\nThe ISRS Location Codes as part of the RIS Index shall be used derived from the European Reference Data Management System (ERDMS) kept by the European Commission.\nParameter\nNumber of bits\nDescription\nMessage ID\n6\nIdentifier for this message 5\nRepeat indicator\n2\nSent by the repeater to indicate how many times a message has been repeated 0-3; Default = 0; 3 = do not repeat any more\nUser ID (MMSI)\n30\nMMSI number\nAIS version indicator\n2\n0 = Station compliant with Recommendation ITU-R M. 1371-1;\n1 = Station compliant with Recommendation ITU-R M. 1371-3 (or later),\n2 = Station compliant with Recommendation ITU-R M. 1371-5 (or later),\n3 = Station compliant with future editions\nIMO number\n30\n0 = not available = default — not applicable to Search And Rescue aircraft\n0000000001-0000999999 not used\n0001000000-0009999999 = valid IMO number;\n0010000000-1073741823 = official flag state number.\nCall sign\n42\n7 × 6 bit ASCII characters, ‘@@@@@@@’ = not available = default\nCraft associated with a parent vessel, should use ‘A’ followed by the last 6 digits of the MMSI of the parent vessel. Examples of these craft include towed vessels, rescue boats, tenders, lifeboats and liferafts\nName\n120\nMaximum 20 characters 6 bit ASCII, see ITU-R M. 1371;\n@@@@@@@@@@@@@@@@@@@@ = not available = default. For Search And Rescue (SAR) aircraft, it should be set to ‘SAR AIRCRAFT NNNNNNN’ where NNNNNNN equals the aircraft registration number\nType of vessel and cargo\n8\n0 = not available or no vessel = default;\n1 — 99 = as defined in ITU-R M. 1371;\n100 — 199 = preserved, for regional use;\n200 — 255 = preserved, for future use\nNot applicable to SAR aircraft\nOverall dimensions of vessel/convoy and reference for position\n30\nReference point for reported position; Also indicates the dimension of vessel in metres (see ITU-R M. 1371).\nFor SAR aircraft, the use of this field may be decided by the responsible administration. If used it should indicate the maximum dimensions of the craft. As default should A = B = C = D be set to ‘0’\nType of electronic position fixing device\n4\n0 = Undefined (default),\n1 = GPS,\n2 = GLONASS,\n3 = Combined GPS/GLONASS,\n4 = Loran-C,\n5 = Chayka,\n6 = Integrated Navigation System,\n7 = surveyed,\n8 = Galileo\n9 — 14 = not used\n15 = internal GNSS\nETA\n20\nETA; MMDDHHMM UTC\nBits 19 — 16: month; 1 — 12; 0 = not available = default;\nBits 15 — 11: day; 1 — 31; 0 = not available = default;\nBits 10 — 6: hour; 0 — 23; 24 = not available = default;\nBits 5 — 0: minute; 0 — 59; 60 = not available = Default\nFor SAR aircraft, the use of this field may be decided by the responsible administration\nMaximum present static draught\n8\nin 1/10 m, 255 = draught 25,5 m or greater, 0 = not available = default\nDestination\n120\nMaximum 20 characters using 6-bit ASCII; @@@@@@@@@@@@@@@@@@@@ = not available.\nData Terminal Equipment (DTE)\n1\nData terminal ready (0 = available, 1 = not available = default)\nSpare\n1\nSpare. Not used. Shall be set to zero. Reserved for future use\nTotal\n424\nOccupies two slots\nFigure 3.1\nReference point for reported position and overall dimension of vessel/convoy\nThe dimension should be in the direction of the transmitted heading information (bow).\nReference point of reported position not available, but dimensions of vessel/convoy are available: A = C = 0 and B ≠ 0 and D ≠ 0.\nNeither reference point of reported position nor dimensions of vessel/convoy are available: A = B = C = D = 0 (= default).\nFor use of the message table, A = most significant field. D = least significant field\nNumber of bits\nBit fields\nDistance (m)\nA\n9\nBit 21 — Bit 29\n0 — 511\n511 = 511 m or greater\nReference Point for reported position\nB\n9\nBit 12 — Bit 20\n0 — 511\n511 = 511 m or greater\nC\n6\nBit 6 — Bit 11\n0 — 63\n63 = 63 m or greater\nD\n6\nBit 0 — Bit 5\n0 — 63\n63 = 63 m or greater\nL = A + B\nDefined in Inland FI 10\nOverall dimension used in Inland AIS mobile station\nW = C + D",
  "extent": "E+W+S+N.I.",
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "footnote",
      "label": "f1",
      "text": "Shall be set to 0 for inland vessels."
    },
    {
      "type": "footnote",
      "label": "f2",
      "text": "Best applicable vessel type shall be used for inland navigation (see APPENDIX C)."
    },
    {
      "type": "footnote",
      "label": "f3",
      "text": "The dimensions shall be set to the maximum rectangle size of the convoy."
    },
    {
      "type": "footnote",
      "label": "f4",
      "text": "The decimetre accuracy of the inland information shall be rounded upwards."
    },
    {
      "type": "footnote",
      "label": "f5",
      "text": "The reference point information has to be taken out of the SSD interface sentence by distinguishing the field ‘source identifier’. Position reference point information with source identifier AI, has to be stored as internal one. Other source identifiers shall lead to reference point information for the external reference point."
    },
    {
      "type": "footnote",
      "label": "f6",
      "text": "The centimetre accuracy on the inland information shall be rounded upwards."
    },
    {
      "type": "footnote",
      "label": "f7",
      "text": "The ISRS Location Codes as part of the RIS Index shall be used derived from the European Reference Data Management System (ERDMS) kept by the European Commission."
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/eur/2019/838/annex/division/3/division/3.4/division/3.4.2",
    "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."
}