{
  "generated_on": "2026-07-31",
  "ntsb_dataset_start": "1962-01-01",
  "active_listings_checked": 6529,
  "exact_listing_event_matches": 56,
  "unique_listings": 55,
  "substantial_or_destroyed": 52,
  "matching_rule": "The active listing and NTSB aircraft record must have the same normalized US registration and serial number.",
  "coverage": "NTSB downloadable aviation archives from 1962 onward.",
  "limitation": "Exact identifier matching can miss records with absent or mistyped registrations or serial numbers; every result still requires report, seller and maintenance-record verification.",
  "source_urls": [
    "https://data.ntsb.gov/avdata/FileDirectory/DownloadFile?fileID=C%3A%5Cavdata%5Cavall.zip",
    "https://data.ntsb.gov/avdata/FileDirectory/DownloadFile?fileID=C%3A%5Cavdata%5CPre2008.zip",
    "https://data.ntsb.gov/avdata/FileDirectory/DownloadFile?fileID=C%3A%5Cavdata%5CPRE1982.zip"
  ]
}