{
  "id": 3422,
  "ident": "KBOS",
  "iata_code": "BOS",
  "icao_code": "KBOS",
  "gps_code": "KBOS",
  "local_code": "BOS",
  "name": "Boston Logan International Airport",
  "type": "large_airport",
  "latitude_deg": 42.36197,
  "longitude_deg": -71.0079,
  "elevation_ft": 20,
  "elevation_m": 6,
  "continent": "NA",
  "iso_country": "US",
  "country_name": "United States",
  "iso_region": "US-MA",
  "region_name": "Massachusetts",
  "municipality": "Boston",
  "scheduled_service": true,
  "wikipedia_link": "https://en.wikipedia.org/wiki/Logan_International_Airport",
  "total_runway_count": 6,
  "active_runway_count": 6,
  "closed_runway_count": 0,
  "longest_runway_ft": 10083,
  "longest_runway_m": 3073,
  "max_runway_width_ft": 150,
  "has_lighted_runway": true,
  "has_paved_runway": true,
  "surfaces_list": "ASP, ASPH-G",
  "runways": [
    {
      "id": 240224,
      "airport_ref": 3422,
      "airport_ident": "KBOS",
      "length_ft": 10083,
      "width_ft": 150,
      "length_m": 3073,
      "width_m": 46,
      "surface": "ASP",
      "is_lighted": true,
      "is_closed": false,
      "le_ident": "15R",
      "he_ident": "33L",
      "surface_friendly": "Asphalt (ASP)"
    },
    {
      "id": 240221,
      "airport_ref": 3422,
      "airport_ident": "KBOS",
      "length_ft": 10006,
      "width_ft": 150,
      "length_m": 3050,
      "width_m": 46,
      "surface": "ASP",
      "is_lighted": true,
      "is_closed": false,
      "le_ident": "04R",
      "he_ident": "22L",
      "surface_friendly": "Asphalt (ASP)"
    },
    {
      "id": 240222,
      "airport_ref": 3422,
      "airport_ident": "KBOS",
      "length_ft": 7864,
      "width_ft": 150,
      "length_m": 2397,
      "width_m": 46,
      "surface": "ASP",
      "is_lighted": true,
      "is_closed": false,
      "le_ident": "04L",
      "he_ident": "22R",
      "surface_friendly": "Asphalt (ASP)"
    },
    {
      "id": 240223,
      "airport_ref": 3422,
      "airport_ident": "KBOS",
      "length_ft": 7001,
      "width_ft": 150,
      "length_m": 2134,
      "width_m": 46,
      "surface": "ASP",
      "is_lighted": true,
      "is_closed": false,
      "le_ident": "09",
      "he_ident": "27",
      "surface_friendly": "Asphalt (ASP)"
    },
    {
      "id": 250377,
      "airport_ref": 3422,
      "airport_ident": "KBOS",
      "length_ft": 5000,
      "width_ft": 100,
      "length_m": 1524,
      "width_m": 30,
      "surface": "ASPH-G",
      "is_lighted": false,
      "is_closed": false,
      "le_ident": "14",
      "he_ident": "32",
      "surface_friendly": "ASPH-G"
    },
    {
      "id": 240225,
      "airport_ref": 3422,
      "airport_ident": "KBOS",
      "length_ft": 2557,
      "width_ft": 100,
      "length_m": 779,
      "width_m": 30,
      "surface": "ASP",
      "is_lighted": true,
      "is_closed": false,
      "le_ident": "15L",
      "he_ident": "33R",
      "surface_friendly": "Asphalt (ASP)"
    }
  ],
  "nearby_constraint_matches": [],
  "rankings": {
    "published_dataset": {
      "universe_name": "RunwayFacts Published Curated Aerodromes",
      "universe_size": 650,
      "runway_rank": 523,
      "elevation_rank": 590
    },
    "global_commercial_universe": {
      "universe_name": "Qualifying Global Commercial Aerodromes (OurAirports)",
      "universe_size": 7558,
      "runway_rank": 870,
      "runway_percentile": 88.5,
      "elevation_rank": 6593,
      "elevation_percentile": 9.5
    },
    "country_commercial_universe": {
      "country_iso": "US",
      "country_name": "United States",
      "published_national_rank": 48,
      "published_country_count": 62,
      "universe_national_rank": 157,
      "universe_country_count": 2020
    },
    "vs_median_large_runway_pct": 0.8
  },
  "provenance": {
    "source_dataset": "OurAirports Open Aviation Database",
    "source_license": "Public Domain (CC0)",
    "data_snapshot_version": "2026-09-01",
    "dataset_integrity": "Cryptographic SHA-256 Checksum Verified & Fail-Closed Schema Inspected",
    "source_verification": "Source-reported aviation registry records; statistical percentiles derived by RunwayFacts",
    "distance_calculation_method": "Haversine Great-Circle Formula (Earth R = 3440.065 NM)",
    "last_verified_at": "2026-09-01"
  },
  "published_national_rank": 48,
  "records_list_rank": 8,
  "schema_metadata": {
    "ranking_universe_definitions": {
      "published_dataset": {
        "id": "runwayfacts-published-v1",
        "size": 650,
        "description": "Curated primary commercial aerodromes published on RunwayFacts meeting minimum 3,000 ft paved criteria and IATA code assignment."
      },
      "global_commercial_universe": {
        "id": "ourairports-commercial-universe-20260901",
        "size": 7558,
        "description": "All international aviation facilities in OurAirports meeting commercial aerodrome criteria with active runways."
      }
    },
    "spatial_relation_definition": {
      "max_distance_nm": 100,
      "min_runway_length_ft": 5000,
      "surface_filter": "paved_only",
      "formula": "Haversine Geodesic (Earth R = 3440.065 NM)"
    }
  }
}