{
  "title": "Screened vessel fleet by vetting grade (A–E)",
  "slug": "vetting-grade-distribution",
  "headline": "Across 1,862 screened vessels, 63.8% sit at vetting grade D–E (elevated-to-critical risk) and 31.5% at grade A–B (low risk) — data as of 2026-06-16.",
  "column": "Vetting grade",
  "unit": "vessels",
  "total": 1862,
  "rows": [
    {
      "label": "A",
      "count": 14,
      "pct": 0.8
    },
    {
      "label": "B",
      "count": 572,
      "pct": 30.7
    },
    {
      "label": "C",
      "count": 88,
      "pct": 4.7
    },
    {
      "label": "D",
      "count": 3,
      "pct": 0.2
    },
    {
      "label": "E",
      "count": 1185,
      "pct": 63.6
    }
  ],
  "methodology": [
    "The vetting grade (A best – E worst) is the composite the ArcNautical vessel dossier computes: port-state-control detentions (30%), flag-state Paris/Tokyo MoU performance (25%), vessel age (15%), inspection gap (10%), and ownership opacity (20%). A confirmed sanctions match floors the grade.",
    "Computed over ArcNautical's screened vessel universe (anchored on the OFAC-designated fleet), not the entire world merchant fleet."
  ],
  "provenance": {
    "source": "ArcNautical vessel vetting (PSC detention + Paris/Tokyo MoU flag performance + vessel age + ownership opacity, over the OFAC-anchored screened set)",
    "source_url": "https://arcnautical.com/methodology.html",
    "data_as_of": "2026-06-16",
    "parsed_by": "ArcNautical screening engine (commit 484cdf91)",
    "generated_at": "2026-06-16T13:50:10.619Z",
    "canonical": "https://arcnautical.com/data/vetting-grade-distribution/",
    "csv": "https://arcnautical.com/data/vetting-grade-distribution/data.csv",
    "reproducible": "Re-run scripts/generate-data-pages.ts against the same source. All figures use the same scoring modules as the ArcNautical vessel dossier (server/arcnautical/scoring)."
  },
  "extra": {}
}