{
  "@context": "https://schema.org",
  "@type": "Dataset",
  "denominator": "Published carry-rule records within each rule type; 'all' uses 77 records.",
  "description": "How often do published carry-rule records include key source, date, limit, exception and unknown fields?",
  "exclusions": "Rules held from publication are excluded. A field counts as covered only when the corresponding published structured value is non-empty.",
  "identifier": "sha256:e8ed76d911b766da6202e3ecdeccb18ca4b3500b0c9ca4196d7b9fda14f0bf39:carry-rule-coverage",
  "limitations": "Coverage indicates that a field is recorded, not that a rule is complete, current, correctly interpreted, or applicable to a specific trip. This describes the loaded rule set and makes no market-representativeness claim.",
  "measurementTechnique": "Deterministic rules documented in denominator, exclusions, limitations and method_version.",
  "method_version": "1.0.0",
  "name": "Carry-rule coverage",
  "question": "How often do published carry-rule records include key source, date, limit, exception and unknown fields?",
  "rows": [
    {
      "coverage_fraction": 1.0,
      "covered": 77,
      "denominator": 77,
      "field": "official_source",
      "field_label": "Official source URL",
      "rule_type": "all"
    },
    {
      "coverage_fraction": 1.0,
      "covered": 77,
      "denominator": 77,
      "field": "checked_date",
      "field_label": "Checked date",
      "rule_type": "all"
    },
    {
      "coverage_fraction": 0.012987,
      "covered": 1,
      "denominator": 77,
      "field": "effective_date",
      "field_label": "Effective date",
      "rule_type": "all"
    },
    {
      "coverage_fraction": 0.792208,
      "covered": 61,
      "denominator": 77,
      "field": "size_limits",
      "field_label": "Structured size limits",
      "rule_type": "all"
    },
    {
      "coverage_fraction": 0.12987,
      "covered": 10,
      "denominator": 77,
      "field": "weight_limits",
      "field_label": "Structured weight limits",
      "rule_type": "all"
    },
    {
      "coverage_fraction": 0.025974,
      "covered": 2,
      "denominator": 77,
      "field": "exceptions",
      "field_label": "Exceptions recorded",
      "rule_type": "all"
    },
    {
      "coverage_fraction": 1.0,
      "covered": 77,
      "denominator": 77,
      "field": "unknowns",
      "field_label": "Unknowns recorded",
      "rule_type": "all"
    },
    {
      "coverage_fraction": 1.0,
      "covered": 30,
      "denominator": 30,
      "field": "official_source",
      "field_label": "Official source URL",
      "rule_type": "airline"
    },
    {
      "coverage_fraction": 1.0,
      "covered": 30,
      "denominator": 30,
      "field": "checked_date",
      "field_label": "Checked date",
      "rule_type": "airline"
    },
    {
      "coverage_fraction": 0.033333,
      "covered": 1,
      "denominator": 30,
      "field": "effective_date",
      "field_label": "Effective date",
      "rule_type": "airline"
    },
    {
      "coverage_fraction": 0.933333,
      "covered": 28,
      "denominator": 30,
      "field": "size_limits",
      "field_label": "Structured size limits",
      "rule_type": "airline"
    },
    {
      "coverage_fraction": 0.233333,
      "covered": 7,
      "denominator": 30,
      "field": "weight_limits",
      "field_label": "Structured weight limits",
      "rule_type": "airline"
    },
    {
      "coverage_fraction": 0.033333,
      "covered": 1,
      "denominator": 30,
      "field": "exceptions",
      "field_label": "Exceptions recorded",
      "rule_type": "airline"
    },
    {
      "coverage_fraction": 1.0,
      "covered": 30,
      "denominator": 30,
      "field": "unknowns",
      "field_label": "Unknowns recorded",
      "rule_type": "airline"
    },
    {
      "coverage_fraction": 1.0,
      "covered": 16,
      "denominator": 16,
      "field": "official_source",
      "field_label": "Official source URL",
      "rule_type": "museum"
    },
    {
      "coverage_fraction": 1.0,
      "covered": 16,
      "denominator": 16,
      "field": "checked_date",
      "field_label": "Checked date",
      "rule_type": "museum"
    },
    {
      "coverage_fraction": 0.0,
      "covered": 0,
      "denominator": 16,
      "field": "effective_date",
      "field_label": "Effective date",
      "rule_type": "museum"
    },
    {
      "coverage_fraction": 0.375,
      "covered": 6,
      "denominator": 16,
      "field": "size_limits",
      "field_label": "Structured size limits",
      "rule_type": "museum"
    },
    {
      "coverage_fraction": 0.0625,
      "covered": 1,
      "denominator": 16,
      "field": "weight_limits",
      "field_label": "Structured weight limits",
      "rule_type": "museum"
    },
    {
      "coverage_fraction": 0.0625,
      "covered": 1,
      "denominator": 16,
      "field": "exceptions",
      "field_label": "Exceptions recorded",
      "rule_type": "museum"
    },
    {
      "coverage_fraction": 1.0,
      "covered": 16,
      "denominator": 16,
      "field": "unknowns",
      "field_label": "Unknowns recorded",
      "rule_type": "museum"
    },
    {
      "coverage_fraction": 1.0,
      "covered": 17,
      "denominator": 17,
      "field": "official_source",
      "field_label": "Official source URL",
      "rule_type": "rail"
    },
    {
      "coverage_fraction": 1.0,
      "covered": 17,
      "denominator": 17,
      "field": "checked_date",
      "field_label": "Checked date",
      "rule_type": "rail"
    },
    {
      "coverage_fraction": 0.0,
      "covered": 0,
      "denominator": 17,
      "field": "effective_date",
      "field_label": "Effective date",
      "rule_type": "rail"
    },
    {
      "coverage_fraction": 0.823529,
      "covered": 14,
      "denominator": 17,
      "field": "size_limits",
      "field_label": "Structured size limits",
      "rule_type": "rail"
    },
    {
      "coverage_fraction": 0.117647,
      "covered": 2,
      "denominator": 17,
      "field": "weight_limits",
      "field_label": "Structured weight limits",
      "rule_type": "rail"
    },
    {
      "coverage_fraction": 0.0,
      "covered": 0,
      "denominator": 17,
      "field": "exceptions",
      "field_label": "Exceptions recorded",
      "rule_type": "rail"
    },
    {
      "coverage_fraction": 1.0,
      "covered": 17,
      "denominator": 17,
      "field": "unknowns",
      "field_label": "Unknowns recorded",
      "rule_type": "rail"
    },
    {
      "coverage_fraction": 1.0,
      "covered": 14,
      "denominator": 14,
      "field": "official_source",
      "field_label": "Official source URL",
      "rule_type": "venue"
    },
    {
      "coverage_fraction": 1.0,
      "covered": 14,
      "denominator": 14,
      "field": "checked_date",
      "field_label": "Checked date",
      "rule_type": "venue"
    },
    {
      "coverage_fraction": 0.0,
      "covered": 0,
      "denominator": 14,
      "field": "effective_date",
      "field_label": "Effective date",
      "rule_type": "venue"
    },
    {
      "coverage_fraction": 0.928571,
      "covered": 13,
      "denominator": 14,
      "field": "size_limits",
      "field_label": "Structured size limits",
      "rule_type": "venue"
    },
    {
      "coverage_fraction": 0.0,
      "covered": 0,
      "denominator": 14,
      "field": "weight_limits",
      "field_label": "Structured weight limits",
      "rule_type": "venue"
    },
    {
      "coverage_fraction": 0.0,
      "covered": 0,
      "denominator": 14,
      "field": "exceptions",
      "field_label": "Exceptions recorded",
      "rule_type": "venue"
    },
    {
      "coverage_fraction": 1.0,
      "covered": 14,
      "denominator": 14,
      "field": "unknowns",
      "field_label": "Unknowns recorded",
      "rule_type": "venue"
    }
  ],
  "slug": "carry-rule-coverage",
  "snapshot": {
    "basis": "Canonical JSON of loaded published report inputs; sorted by record id.",
    "checked_through": "2026-10-16",
    "id": "sha256:e8ed76d911b766da6202e3ecdeccb18ca4b3500b0c9ca4196d7b9fda14f0bf39",
    "product_records": 1034,
    "rule_records": 77
  },
  "table": {
    "columns": [
      {
        "name": "rule_type",
        "type": "Text"
      },
      {
        "name": "field",
        "type": "Text"
      },
      {
        "name": "field_label",
        "type": "Text"
      },
      {
        "name": "covered",
        "type": "Integer"
      },
      {
        "name": "denominator",
        "type": "Integer"
      },
      {
        "name": "coverage_fraction",
        "type": "Number"
      }
    ],
    "rows": [
      {
        "coverage_fraction": 1.0,
        "covered": 77,
        "denominator": 77,
        "field": "official_source",
        "field_label": "Official source URL",
        "rule_type": "all"
      },
      {
        "coverage_fraction": 1.0,
        "covered": 77,
        "denominator": 77,
        "field": "checked_date",
        "field_label": "Checked date",
        "rule_type": "all"
      },
      {
        "coverage_fraction": 0.012987,
        "covered": 1,
        "denominator": 77,
        "field": "effective_date",
        "field_label": "Effective date",
        "rule_type": "all"
      },
      {
        "coverage_fraction": 0.792208,
        "covered": 61,
        "denominator": 77,
        "field": "size_limits",
        "field_label": "Structured size limits",
        "rule_type": "all"
      },
      {
        "coverage_fraction": 0.12987,
        "covered": 10,
        "denominator": 77,
        "field": "weight_limits",
        "field_label": "Structured weight limits",
        "rule_type": "all"
      },
      {
        "coverage_fraction": 0.025974,
        "covered": 2,
        "denominator": 77,
        "field": "exceptions",
        "field_label": "Exceptions recorded",
        "rule_type": "all"
      },
      {
        "coverage_fraction": 1.0,
        "covered": 77,
        "denominator": 77,
        "field": "unknowns",
        "field_label": "Unknowns recorded",
        "rule_type": "all"
      },
      {
        "coverage_fraction": 1.0,
        "covered": 30,
        "denominator": 30,
        "field": "official_source",
        "field_label": "Official source URL",
        "rule_type": "airline"
      },
      {
        "coverage_fraction": 1.0,
        "covered": 30,
        "denominator": 30,
        "field": "checked_date",
        "field_label": "Checked date",
        "rule_type": "airline"
      },
      {
        "coverage_fraction": 0.033333,
        "covered": 1,
        "denominator": 30,
        "field": "effective_date",
        "field_label": "Effective date",
        "rule_type": "airline"
      },
      {
        "coverage_fraction": 0.933333,
        "covered": 28,
        "denominator": 30,
        "field": "size_limits",
        "field_label": "Structured size limits",
        "rule_type": "airline"
      },
      {
        "coverage_fraction": 0.233333,
        "covered": 7,
        "denominator": 30,
        "field": "weight_limits",
        "field_label": "Structured weight limits",
        "rule_type": "airline"
      },
      {
        "coverage_fraction": 0.033333,
        "covered": 1,
        "denominator": 30,
        "field": "exceptions",
        "field_label": "Exceptions recorded",
        "rule_type": "airline"
      },
      {
        "coverage_fraction": 1.0,
        "covered": 30,
        "denominator": 30,
        "field": "unknowns",
        "field_label": "Unknowns recorded",
        "rule_type": "airline"
      },
      {
        "coverage_fraction": 1.0,
        "covered": 16,
        "denominator": 16,
        "field": "official_source",
        "field_label": "Official source URL",
        "rule_type": "museum"
      },
      {
        "coverage_fraction": 1.0,
        "covered": 16,
        "denominator": 16,
        "field": "checked_date",
        "field_label": "Checked date",
        "rule_type": "museum"
      },
      {
        "coverage_fraction": 0.0,
        "covered": 0,
        "denominator": 16,
        "field": "effective_date",
        "field_label": "Effective date",
        "rule_type": "museum"
      },
      {
        "coverage_fraction": 0.375,
        "covered": 6,
        "denominator": 16,
        "field": "size_limits",
        "field_label": "Structured size limits",
        "rule_type": "museum"
      },
      {
        "coverage_fraction": 0.0625,
        "covered": 1,
        "denominator": 16,
        "field": "weight_limits",
        "field_label": "Structured weight limits",
        "rule_type": "museum"
      },
      {
        "coverage_fraction": 0.0625,
        "covered": 1,
        "denominator": 16,
        "field": "exceptions",
        "field_label": "Exceptions recorded",
        "rule_type": "museum"
      },
      {
        "coverage_fraction": 1.0,
        "covered": 16,
        "denominator": 16,
        "field": "unknowns",
        "field_label": "Unknowns recorded",
        "rule_type": "museum"
      },
      {
        "coverage_fraction": 1.0,
        "covered": 17,
        "denominator": 17,
        "field": "official_source",
        "field_label": "Official source URL",
        "rule_type": "rail"
      },
      {
        "coverage_fraction": 1.0,
        "covered": 17,
        "denominator": 17,
        "field": "checked_date",
        "field_label": "Checked date",
        "rule_type": "rail"
      },
      {
        "coverage_fraction": 0.0,
        "covered": 0,
        "denominator": 17,
        "field": "effective_date",
        "field_label": "Effective date",
        "rule_type": "rail"
      },
      {
        "coverage_fraction": 0.823529,
        "covered": 14,
        "denominator": 17,
        "field": "size_limits",
        "field_label": "Structured size limits",
        "rule_type": "rail"
      },
      {
        "coverage_fraction": 0.117647,
        "covered": 2,
        "denominator": 17,
        "field": "weight_limits",
        "field_label": "Structured weight limits",
        "rule_type": "rail"
      },
      {
        "coverage_fraction": 0.0,
        "covered": 0,
        "denominator": 17,
        "field": "exceptions",
        "field_label": "Exceptions recorded",
        "rule_type": "rail"
      },
      {
        "coverage_fraction": 1.0,
        "covered": 17,
        "denominator": 17,
        "field": "unknowns",
        "field_label": "Unknowns recorded",
        "rule_type": "rail"
      },
      {
        "coverage_fraction": 1.0,
        "covered": 14,
        "denominator": 14,
        "field": "official_source",
        "field_label": "Official source URL",
        "rule_type": "venue"
      },
      {
        "coverage_fraction": 1.0,
        "covered": 14,
        "denominator": 14,
        "field": "checked_date",
        "field_label": "Checked date",
        "rule_type": "venue"
      },
      {
        "coverage_fraction": 0.0,
        "covered": 0,
        "denominator": 14,
        "field": "effective_date",
        "field_label": "Effective date",
        "rule_type": "venue"
      },
      {
        "coverage_fraction": 0.928571,
        "covered": 13,
        "denominator": 14,
        "field": "size_limits",
        "field_label": "Structured size limits",
        "rule_type": "venue"
      },
      {
        "coverage_fraction": 0.0,
        "covered": 0,
        "denominator": 14,
        "field": "weight_limits",
        "field_label": "Structured weight limits",
        "rule_type": "venue"
      },
      {
        "coverage_fraction": 0.0,
        "covered": 0,
        "denominator": 14,
        "field": "exceptions",
        "field_label": "Exceptions recorded",
        "rule_type": "venue"
      },
      {
        "coverage_fraction": 1.0,
        "covered": 14,
        "denominator": 14,
        "field": "unknowns",
        "field_label": "Unknowns recorded",
        "rule_type": "venue"
      }
    ]
  },
  "title": "Carry-rule coverage",
  "variableMeasured": [
    "rule_type",
    "field",
    "field_label",
    "covered",
    "denominator",
    "coverage_fraction"
  ],
  "version": "1.0.0"
}