{
  "id": 3568,
  "ident": "KGSO",
  "iata_code": "GSO",
  "icao_code": "KGSO",
  "gps_code": "KGSO",
  "local_code": "GSO",
  "name": "Piedmont Triad International Airport",
  "type": "large_airport",
  "latitude_deg": 36.09937,
  "longitude_deg": -79.937262,
  "elevation_ft": 925,
  "elevation_m": 282,
  "continent": "NA",
  "iso_country": "US",
  "country_name": "United States",
  "iso_region": "US-NC",
  "region_name": "North Carolina",
  "municipality": "Greensboro",
  "scheduled_service": true,
  "wikipedia_link": "https://en.wikipedia.org/wiki/Piedmont_Triad_International_Airport",
  "total_runway_count": 3,
  "active_runway_count": 3,
  "closed_runway_count": 0,
  "longest_runway_ft": 10001,
  "longest_runway_m": 3048,
  "max_runway_width_ft": 150,
  "has_lighted_runway": true,
  "has_paved_runway": true,
  "surfaces_list": "ASP, ASPH, PEM",
  "runways": [
    {
      "id": 256636,
      "airport_ref": 3568,
      "airport_ident": "KGSO",
      "length_ft": 10001,
      "width_ft": 150,
      "length_m": 3048,
      "width_m": 46,
      "surface": "PEM",
      "is_lighted": true,
      "is_closed": false,
      "le_ident": "05R",
      "he_ident": "23L",
      "surface_friendly": "Permanent Paved (PEM)"
    },
    {
      "id": 244086,
      "airport_ref": 3568,
      "airport_ident": "KGSO",
      "length_ft": 9000,
      "width_ft": 150,
      "length_m": 2743,
      "width_m": 46,
      "surface": "ASPH",
      "is_lighted": true,
      "is_closed": false,
      "le_ident": "05L",
      "he_ident": "23R",
      "surface_friendly": "Asphalt (ASPH)"
    },
    {
      "id": 244087,
      "airport_ref": 3568,
      "airport_ident": "KGSO",
      "length_ft": 6380,
      "width_ft": 150,
      "length_m": 1945,
      "width_m": 46,
      "surface": "ASP",
      "is_lighted": true,
      "is_closed": false,
      "le_ident": "14",
      "he_ident": "32",
      "surface_friendly": "Asphalt (ASP)"
    }
  ],
  "nearby_constraint_matches": [
    {
      "iata_code": "RDU",
      "ident": "KRDU",
      "icao_code": "KRDU",
      "name": "Raleigh-Durham International Airport",
      "municipality": "Raleigh/Durham",
      "country_name": "United States",
      "distance_nm": 57.4,
      "distance_km": 106.3,
      "longest_runway_ft": 10000,
      "longest_runway_m": 3048,
      "has_lighted_runway": true,
      "has_paved_runway": true
    },
    {
      "iata_code": "CLT",
      "ident": "KCLT",
      "icao_code": "KCLT",
      "name": "Charlotte Douglas International Airport",
      "municipality": "Charlotte",
      "country_name": "United States",
      "distance_nm": 72.3,
      "distance_km": 133.9,
      "longest_runway_ft": 10000,
      "longest_runway_m": 3048,
      "has_lighted_runway": true,
      "has_paved_runway": true
    }
  ],
  "rankings": {
    "published_dataset": {
      "universe_name": "RunwayFacts Published Curated Aerodromes",
      "universe_size": 650,
      "runway_rank": 543,
      "elevation_rank": 205
    },
    "global_commercial_universe": {
      "universe_name": "Qualifying Global Commercial Aerodromes (OurAirports)",
      "universe_size": 7558,
      "runway_rank": 935,
      "runway_percentile": 87.5,
      "elevation_rank": 2455,
      "elevation_percentile": 65.0
    },
    "country_commercial_universe": {
      "country_iso": "US",
      "country_name": "United States",
      "published_national_rank": 49,
      "published_country_count": 62,
      "universe_national_rank": 172,
      "universe_country_count": 2020
    },
    "vs_median_large_runway_pct": 0.0
  },
  "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": 51,
  "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)"
    }
  }
}