{
  "schema_version": 1,
  "audit_date_pacific": "2026-09-20",
  "status": "No verified local sportfishing-charter tracks in the sampled data",
  "archive": {
    "provider": "NOAA Office for Coastal Management / MarineCadastre; U.S. Coast Guard AIS",
    "portal_url": "https://hub.marinecadastre.gov/pages/vesseltraffic",
    "index_url": "https://noaaocm.blob.core.windows.net/ais/csv2/csv2026/index.html",
    "index_retrieved_at_utc": "2026-09-21T04:24:11.722572+00:00",
    "latest_listed_broadcast_date": "2026-06-30",
    "availability_note": "Latest date in this daily index at retrieval, not a claim about every NOAA product. File modification timestamps are not vessel broadcast dates."
  },
  "geographic_screen": {
    "bbox_west_south_east_north": [-121.32, 35.14, -120.66, 35.65],
    "description": "Regional inventory covering Avila\u2013Cambria; public habitat map ends at Point Estero. No speed, depth, or vessel-name prefilter was used while retaining regional broadcasts."
  },
  "summary": {
    "sample_days": 8,
    "nationwide_rows_scanned": 78069787,
    "regional_records": 28664,
    "unique_mmsi": 51,
    "compressed_bytes_processed": 2349270586,
    "candidate_local_fleet_name_matches": 0,
    "verified_local_sportfishing_charters": 0,
    "qualified_repeated_visit_areas": 0
  },
  "sample_design": "Eight selected spring/summer dates, not a seasonal census. June 27\u201330 is a continuous four-UTC-day block; other dates are isolated. UTC boundaries can split Pacific-local trips. Complete file processing does not establish complete reception or fleet coverage.",
  "daily_samples": [
    {
      "day_utc": "2026-04-18",
      "url": "https://noaaocm.blob.core.windows.net/ais/csv2/csv2026/ais-2026-04-18.csv.zst",
      "retrieved_at_utc": "2026-09-20T22:06:59.360878+00:00",
      "http_status": 200,
      "last_modified": "Fri, 18 Sep 2026 19:32:15 GMT",
      "nationwide_rows_scanned": 8213558,
      "regional_records": 3296,
      "unique_vessels": 16,
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      "complete_archive_file_processed": true
    },
    {
      "day_utc": "2026-05-16",
      "url": "https://noaaocm.blob.core.windows.net/ais/csv2/csv2026/ais-2026-05-16.csv.zst",
      "retrieved_at_utc": "2026-09-20T22:06:59.361637+00:00",
      "http_status": 200,
      "last_modified": "Fri, 18 Sep 2026 19:32:13 GMT",
      "nationwide_rows_scanned": 9079667,
      "regional_records": 3287,
      "unique_vessels": 7,
      "compressed_bytes": 273548285,
      "compressed_sha256": "1ce5bec9c531f2fc6a02337a364691408e75a141b9e662c2b057fee606ed603e",
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      "complete_archive_file_processed": true
    },
    {
      "day_utc": "2026-06-13",
      "url": "https://noaaocm.blob.core.windows.net/ais/csv2/csv2026/ais-2026-06-13.csv.zst",
      "retrieved_at_utc": "2026-09-20T22:10:17.234849+00:00",
      "http_status": 200,
      "last_modified": "Fri, 18 Sep 2026 19:32:17 GMT",
      "nationwide_rows_scanned": 10891897,
      "regional_records": 3696,
      "unique_vessels": 18,
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      "complete_archive_file_processed": true
    },
    {
      "day_utc": "2026-06-20",
      "url": "https://noaaocm.blob.core.windows.net/ais/csv2/csv2026/ais-2026-06-20.csv.zst",
      "retrieved_at_utc": "2026-09-20T22:02:55.264470+00:00",
      "http_status": 200,
      "last_modified": "Fri, 18 Sep 2026 19:32:15 GMT",
      "nationwide_rows_scanned": 9138296,
      "regional_records": 1693,
      "unique_vessels": 16,
      "compressed_bytes": 272751638,
      "compressed_sha256": "7db24e1f1e92d8a2faddbf1611561e3ea7841b88e6463f3552fad6900d1e7bef",
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      "complete_archive_file_processed": true
    },
    {
      "day_utc": "2026-06-27",
      "url": "https://noaaocm.blob.core.windows.net/ais/csv2/csv2026/ais-2026-06-27.csv.zst",
      "retrieved_at_utc": "2026-09-20T22:02:55.263925+00:00",
      "http_status": 200,
      "last_modified": "Fri, 18 Sep 2026 19:32:17 GMT",
      "nationwide_rows_scanned": 10249298,
      "regional_records": 3492,
      "unique_vessels": 14,
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      "complete_archive_file_processed": true
    },
    {
      "day_utc": "2026-06-28",
      "url": "https://noaaocm.blob.core.windows.net/ais/csv2/csv2026/ais-2026-06-28.csv.zst",
      "retrieved_at_utc": "2026-09-21T04:24:29.803986+00:00",
      "http_status": 200,
      "last_modified": "Fri, 18 Sep 2026 19:32:12 GMT",
      "nationwide_rows_scanned": 9735421,
      "regional_records": 4258,
      "unique_vessels": 18,
      "compressed_bytes": 287432131,
      "compressed_sha256": "c3271b533f0320bf1e5c570ac27a660e1dfe3f2c73a52f27f399afb1e857b197",
      "regional_sha256": "86967b23b7d2b9c24aa8e677329eabd265ccdb1c7569bed0d0c9120e10831d2d",
      "complete_archive_file_processed": true
    },
    {
      "day_utc": "2026-06-29",
      "url": "https://noaaocm.blob.core.windows.net/ais/csv2/csv2026/ais-2026-06-29.csv.zst",
      "retrieved_at_utc": "2026-09-21T04:24:29.804448+00:00",
      "http_status": 200,
      "last_modified": "Fri, 18 Sep 2026 19:32:08 GMT",
      "nationwide_rows_scanned": 10139168,
      "regional_records": 5315,
      "unique_vessels": 15,
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      "complete_archive_file_processed": true
    },
    {
      "day_utc": "2026-06-30",
      "url": "https://noaaocm.blob.core.windows.net/ais/csv2/csv2026/ais-2026-06-30.csv.zst",
      "retrieved_at_utc": "2026-09-20T22:10:43.475574+00:00",
      "http_status": 200,
      "last_modified": "Fri, 18 Sep 2026 19:32:07 GMT",
      "nationwide_rows_scanned": 10622482,
      "regional_records": 3627,
      "unique_vessels": 16,
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      "compressed_sha256": "eb757a0e76ed12b3510aff0da0fd26b05ae95a3858a4e7bb15ec6ded0307c417",
      "regional_sha256": "d3b9509b26022933e9f4c589b12a63c55535f2b34aaefc2f61635c461e46f617",
      "complete_archive_file_processed": true
    }
  ],
  "fleet_name_screen": {
    "normalization": "Uppercase; remove all characters except A\u2013Z and 0\u20139; exact comparison to researched names. Name matches are leads requiring independent identity confirmation, not vessel identifications.",
    "names": [
      "AVENGER",
      "BLACKPEARL",
      "ENDEAVOR",
      "FIESTA",
      "FLYINGFISH",
      "MAGIC",
      "PATRIOT",
      "PHENIX",
      "REELEZ",
      "RITAG",
      "STARFIRE",
      "SUNNYDAY"
    ],
    "matches": [],
    "reference_pages": [
      "https://morrobaylanding.com/our-fleet/avenger/",
      "https://morrobaylanding.com/our-fleet/endeavor/",
      "https://www.virgslanding.com/",
      "https://www.starfiresportfishing.net/",
      "https://www.blackpearlsportfishing.net/"
    ]
  },
  "other_name_leads_reviewed": [
    {
      "name": "ANGLER",
      "operator_description": "Morro Bay whale-watching and harbor-tour vessel",
      "source_url": "https://morrobaytikiboat.com/",
      "disposition": "Does not establish recreational bottom-fishing activity."
    },
    {
      "name": "PAPAGALLO II",
      "operator_description": "Dining, sightseeing, and private-event cruise vessel",
      "source_url": "https://www.cruisemorrobay.com/",
      "disposition": "A charter designation does not establish a sportfishing trip."
    },
    {
      "name": "BONNIE MARIETTA",
      "operator_description": "Commercial salmon/albacore vessel with research and support charters",
      "source_url": "https://www.morrobaydockside.com/bonniemarietta",
      "disposition": "Does not verify recreational lingcod or rockfish charter visits."
    }
  ],
  "lead_caveat": "These operator descriptions explain why name leads were not accepted as sportfishing evidence; they do not independently authenticate an AIS MMSI.",
  "supplemental_research": [
    {
      "product": "NOAA PMEL AIS annual inventory samples, 2018\u20132024",
      "result": "Sparse regional samples inspected for vessel identity leads; at most one retained position per vessel per UTC day. Not suitable for reconstructing fishing stops, drift lines, or trip coverage."
    },
    {
      "product": "2024/2025 monthly track GeoParquet",
      "result": "Name inventories inspected; geographic track extraction did not complete. No local track analysis is claimed from this product."
    }
  ],
  "proposed_visit_evidence_gate": {
    "implemented": false,
    "minimum_distinct_dates": 3,
    "minimum_bout_minutes": 15,
    "maximum_reporting_gap_minutes": 10,
    "requirements": [
      "Independently verify the local sportfishing vessel identity, including MMSI and operator context.",
      "Analyze full time-ordered trips and exclude harbor waiting, transit, and non-fishing operations.",
      "Repeated low-speed bouts must overlap surveyed habitat within current legal and depth limits.",
      "Record actual coverage, gaps, dates, and identity confidence alongside any inferred activity."
    ],
    "interpretation": "A research heuristic for repeated charter visits, not validated proof of fishing or catch success. No location presently passes the identity gate."
  },
  "limitations": [
    "Not all fishing boats carry or transmit AIS.",
    "Reception gaps, unknown vessel names and local-trip timing limit detection.",
    "A vessel type of fishing does not establish recreational charter identity.",
    "General traffic density, one daily point, and transit through a reef cannot establish a fishing hotspot.",
    "Exact-name screening can miss changed, shortened, blank, or differently reported identities.",
    "The eight dates do not cover the full season or establish current fishing activity.",
    "AIS evidence is separate from terrain grades; no AIS bonus has been applied to any target."
  ],
  "rights_and_credit": {
    "credit": "NOAA Office for Coastal Management; U.S. Coast Guard Navigation Center",
    "official_archive_documentation": "https://github.com/ocm-marinecadastre/ais-vessel-traffic",
    "documentation_license": "CC0 1.0 for the inspected official repository products; consult product metadata for each archive.",
    "distribution": "This summary contains aggregate research results, source URLs, and integrity hashes. Raw vessel trajectories are not embedded in the app."
  }
}