{
  "url": "https://openlegislation.uk/merchant-shipping-tonnage-regulations-1997/regulation-7",
  "json_url": "https://openlegislation.uk/merchant-shipping-tonnage-regulations-1997/regulation-7.json",
  "legislation": "uksi/1997/1510",
  "legislation_title": "The Merchant Shipping (Tonnage) Regulations 1997",
  "legislation_url": "https://openlegislation.uk/merchant-shipping-tonnage-regulations-1997",
  "path": "regulation/7",
  "kind": "regulation",
  "number": "7",
  "heading": "Net tonnage",
  "text": "The net tonnage (NT) of a ship shall be determined by the following formula—\nNT=K2Vc(4d3D)2+K3(N1+N210) where—\nVc total volume of cargo spaces in cubic metres;\nK2 0.2 + 0.02 log10 Vc , as specified in Schedule 2.\nK3 1.25GT+10,00010,000\nGT gross tonnage calculated in accordance with regulation 6;\nD moulded depth amidships in metres;\nd moulded draught amidships in metres;\nN1 number of berths for passengers in cabins with not more than 8 berths; and\nN2 number of other passengers who may be accommodated on the ship;\nprovided that—\n(a) the factor—\n(4d3D)2 shall not be taken as greater than unity;\n(b) the term—\nK2Vc(4d3D)2 shall not be taken as less than 0.25 GT;\n(c) N1 and N2 shall be taken as zero when N1 + N2 is less than 13; and\n(d) NT shall not be taken as less than 0.30 GT.",
  "extent": null,
  "status": null,
  "version": "current",
  "annotations": [],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/uksi/1997/1510/regulation/7",
    "retrieved_at": "2026-10-29T12:07:02.389754+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."
}