{
  "meta": {
    "schemaVersion": "INAV-DOSSIER-1",
    "generatedAt": "2026-10-12",
    "asOf": "2026-10-12",
    "entityId": "regulation:fr-2026-20100",
    "entityType": "regulation"
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  "entity": {
    "id": "regulation:fr-2026-20100",
    "type": "regulation",
    "label": "Airworthiness Directives; Leonardo S.p.a. Helicopters",
    "url": "https://www.federalregister.gov/documents/2026/10/01/2026-20100/airworthiness-directives-leonardo-spa-helicopters",
    "attributes": {
      "summary": "The FAA is adopting a new airworthiness directive (AD) for certain Leonardo S.p.a. Model AB139 and AW139 helicopters. This AD was prompted by a report of a nozzle exhaust duct clamp separating from the engine nozzle duct and coming to rest on the tail rotor (TR) drive shaft. This AD requires repetitively inspecting certain clamp assemblies and, depending on the results of the inspection, replacing",
      "agency": "Transportation Department",
      "jurisdiction": "US",
      "effectiveDate": "2026-10-16",
      "daysUntilEffective": 4,
      "urgencyBand": "imminent",
      "urgencyRank": 4,
      "verticals": [],
      "keywords": [
        "airworthiness",
        "directives",
        "helicopters",
        "leonardo"
      ]
    },
    "firstSeen": "2026-10-12",
    "sources": [
      "https://www.federalregister.gov/documents/2026/10/01/2026-20100/airworthiness-directives-leonardo-spa-helicopters",
      "data/regulatory-clock.json"
    ]
  },
  "type": "regulation",
  "href": "/entity/regulation/fr-2026-20100/",
  "headline": "Airworthiness Directives; Leonardo S.p.a. Helicopters: a regulation cited by 1 report, first seen 2026-10-12.",
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      "edgeType": "mandated-by",
      "label": "Mandated by",
      "links": [
        {
          "id": "idea:commercial-pool-shutdown-packets",
          "label": "Shutdown-proof packet builder for commercial pool operators",
          "type": "idea",
          "href": "/ideas/commercial-pool-shutdown-packets/",
          "linkable": true,
          "edgeType": "mandated-by",
          "direction": "in",
          "method": "classified",
          "detail": "terms department, inspection"
        }
      ]
    }
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  "linkCount": 1,
  "analytics": {
    "generic": {
      "ideaReach": 1,
      "verticalReach": 0,
      "citationEdges": 1,
      "firstSeen": "2026-10-12",
      "primaryVertical": "construction-field-trades"
    }
  },
  "signals": [
    {
      "label": "Reach",
      "value": "1 report · 0 verticals",
      "tone": "positive",
      "source": "/explore/"
    },
    {
      "label": "First seen",
      "value": "2026-10-12",
      "tone": "neutral",
      "source": "/changes/"
    },
    {
      "label": "Evidence",
      "value": "cited on 1 provenance edge",
      "tone": "neutral",
      "source": "/provenance/"
    }
  ],
  "recommendedActions": [
    {
      "id": "explore-vertical",
      "label": "Explore construction-field-trades intelligence",
      "rationale": "This regulation evidences the construction-field-trades vertical — open its forward cut.",
      "href": "/pro/intelligence/construction-field-trades/"
    },
    {
      "id": "trace-graph",
      "label": "Trace in the graph explorer",
      "rationale": "Inspect every linked object and its provenance method.",
      "href": "/explore/"
    }
  ],
  "provenanceTrail": [
    {
      "claim": "Reaches 1 report across 0 verticals in the ontology graph",
      "source": "/explore/"
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    {
      "claim": "First observed 2026-10-12",
      "source": "/changes/"
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  "asOf": "2026-10-12"
}