{
  "source_url": "https://services6.arcgis.com/ssFJjBXIUyZDrSYZ/ArcGIS/rest/services/Class_Airspace/FeatureServer/0",
  "chart_source": "https://aeronav.faa.gov/visual/09-03-2026/sectional-files/Los_Angeles.zip",
  "source_crop": [
    7200,
    6300,
    4800,
    3600
  ],
  "review_size": [
    1600,
    1200
  ],
  "gdal_transform": [
    -351020.4576958068,
    42.33503123790898,
    0.0,
    277738.9876785168,
    0.0,
    -42.33597152481487
  ],
  "crs_wkt": "PROJCS[\"Lambert Conformal Conic\",GEOGCS[\"NAD83\",DATUM[\"North_American_Datum_1983\",SPHEROID[\"GRS 1980\",6378137,298.257222101004,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"6269\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"4269\"]],PROJECTION[\"Lambert_Conformal_Conic_2SP\"],PARAMETER[\"latitude_of_origin\",34.1666666666667],PARAMETER[\"central_meridian\",-118.466666666667],PARAMETER[\"standard_parallel_1\",38.6666666666667],PARAMETER[\"standard_parallel_2\",33.3333333333333],PARAMETER[\"false_easting\",0],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
  "order_reference_airport": {
    "lat": 34.209722222222226,
    "lon": -118.49,
    "review": [
      346.9086394833066,
      49.20079597606097
    ],
    "source": "FAA JO 7400.11M D/E2/E4 airport reference point"
  },
  "verified_hours": {
    "chart_supplement": "https://aeronav.faa.gov/Upload_313-d/supplements/CS_SW_20260903.pdf#page=315",
    "printed_page": 313,
    "local": "06:00\u201322:45 America/Los_Angeles",
    "published_utc": "1400\u20130645Z\u2021",
    "dst_utc": "1300\u20130545Z",
    "other_times": "Class E",
    "notes": [
      "The published schedule is not live operational status; current NOTAMs may change it.",
      "Darkness alone does not close the tower or change airspace.",
      "The double dagger moves the UTC times one hour earlier in DST, keeping these local clock hours unchanged."
    ],
    "legend_source": "https://aeronav.faa.gov/Upload_313-d/supplements/CS_SW_20260903.pdf#page=16",
    "legend_printed_page": 14
  },
  "notes": [
    "D and E2 FAA lateral rings are identical; D ceiling is 3000 feet MSL exclusive.",
    "E2 lower is surface. FAA upper -9998 is a sentinel, not a real altitude; upper airspace/exclusions must be respected.",
    "VNY E4 is a separate continuously effective surface extension, not a night-only E2 portion.",
    "The existing LA crop clips the north side of these areas. Clipped polygon edges are model boundaries, not legal boundaries.",
    "Surrounding Burbank Class C and other airspace remain applicable; do not extend E2 through them.",
    "Existing LA Class D selections LGB, TOA and FUL instead default to Class G per current supplement."
  ],
  "airport": {
    "ident": "VNY",
    "name": "Van Nuys",
    "icao": "KVNY",
    "latitude": 34.20980555600005,
    "longitude": -118.48997222199995,
    "elevation_ft_msl": 802.1,
    "review": [
      346.9288012331617,
      49.12806153697966
    ],
    "source": "https://services6.arcgis.com/ssFJjBXIUyZDrSYZ/ArcGIS/rest/services/US_Airport/FeatureServer/0",
    "object_id": 2237,
    "global_id": "F0AFB4E6-592A-46B2-A76A-5376CC5A0016",
    "note": "Official airport point differs slightly from the rounded center used in the legal airspace descriptions."
  },
  "effective_from": "2026-09-03T09:01:00Z",
  "effective_until": "2026-10-29T09:01:00Z",
  "order_source": "https://www.faa.gov/documentLibrary/media/Order/2026-07-30_Order_JO_7400.11M_Airspace_Designations_and_Reporting_Points_FINAL.pdf",
  "order_entries": {
    "D": {
      "designation": "AWP CA D Van Nuys, CA",
      "pdf_page": 381,
      "printed_page": "D-164",
      "floor": "SFC",
      "ceiling_msl_ft": 3000,
      "ceiling_inclusive": false
    },
    "E2": {
      "designation": "AWP CA E2 Van Nuys, CA",
      "pdf_page": 526,
      "printed_page": "E-139",
      "floor": "SFC",
      "ceiling_note": "Surface upward, excluding the Burbank Class C and other overlying controlled airspace; not limited to the old D ceiling."
    },
    "E4": {
      "designation": "AWP CA E4 Van Nuys, CA",
      "pdf_pages": [
        604,
        605
      ],
      "printed_pages": [
        "E-217",
        "E-218"
      ],
      "floor": "SFC",
      "schedule": "H24; no part-time condition in this E4 designation",
      "note": "Separate northern surface extension. It is unchanged by the D-to-E2 switch and almost entirely outside the current crop."
    }
  },
  "shared_D_E2_lateral_definition": "Within a 4.3 nautical mile radius of the legal VNY reference point, excluding Bob Hope/Burbank Class C airspace and the 1.8 nautical mile radius of Whiteman Airport. Use the supplied FAA polygon, not a newly drawn complete circle.",
  "D_E2_full_rings_identical": true,
  "implementation_scope": "Focus on the verified VNY D/E2 footprint below 3000 ft MSL. In the closed-tower teaching state, 3000 is only a visual cutaway, not the Class E ceiling. At or above 3000 return unmodeled unless actual overlying sectors are separately modeled. Omit E4 explicitly from this focused comparison.",
  "airspaces": [
    {
      "OBJECTID": 4371,
      "GLOBAL_ID": "CFB0CB77-FAF1-4A69-99A9-3FC96328C4D4",
      "IDENT": "VNY",
      "ICAO_ID": "KVNY",
      "NAME": "VAN NUYS CLASS E4",
      "UPPER_DESC": "AA",
      "UPPER_VAL": -9998,
      "UPPER_UOM": null,
      "UPPER_CODE": null,
      "LOWER_DESC": null,
      "LOWER_VAL": 0,
      "LOWER_UOM": "FT",
      "LOWER_CODE": "SFC",
      "TYPE_CODE": "CLASS",
      "LOCAL_TYPE": "CLASS_E4",
      "CLASS": "E",
      "MIL_CODE": "CIVIL",
      "COMM_NAME": null,
      "LEVEL_": "L",
      "SECTOR": null,
      "ONSHORE": "1",
      "EXCLUSION": "0",
      "WKHR_CODE": "H24",
      "WKHR_RMK": null,
      "DST": null,
      "GMTOFFSET": null,
      "CONT_AGENT": null,
      "CITY": "VAN NUYS",
      "STATE": "CA",
      "COUNTRY": "",
      "ADHP_ID": "F0AFB4E6-592A-46B2-A76A-5376CC5A0016",
      "US_HIGH": 0,
      "AK_HIGH": 0,
      "AK_LOW": 0,
      "US_LOW": 1,
      "US_AREA": 1,
      "PACIFIC": 1,
      "Shape__Area": 0.007414879001998997,
      "Shape__Length": 0.36184831656123395
    },
    {
      "OBJECTID": 4798,
      "GLOBAL_ID": "C56F2F07-D9CB-4546-849F-C06670CC9532",
      "IDENT": "VNY",
      "ICAO_ID": "KVNY",
      "NAME": "VAN NUYS CLASS D",
      "UPPER_DESC": "TNI",
      "UPPER_VAL": 3000,
      "UPPER_UOM": "FT",
      "UPPER_CODE": "MSL",
      "LOWER_DESC": null,
      "LOWER_VAL": 0,
      "LOWER_UOM": "FT",
      "LOWER_CODE": "SFC",
      "TYPE_CODE": "CLASS",
      "LOCAL_TYPE": "CLASS_D",
      "CLASS": "D",
      "MIL_CODE": "CIVIL",
      "COMM_NAME": null,
      "LEVEL_": "L",
      "SECTOR": null,
      "ONSHORE": "1",
      "EXCLUSION": "0",
      "WKHR_CODE": "NOTAM",
      "WKHR_RMK": "Legal description references NOTAM",
      "DST": null,
      "GMTOFFSET": null,
      "CONT_AGENT": null,
      "CITY": "VAN NUYS",
      "STATE": "CA",
      "COUNTRY": "",
      "ADHP_ID": "F0AFB4E6-592A-46B2-A76A-5376CC5A0016",
      "US_HIGH": 0,
      "AK_HIGH": 0,
      "AK_LOW": 0,
      "US_LOW": 1,
      "US_AREA": 1,
      "PACIFIC": 1,
      "Shape__Area": 0.015015681843124185,
      "Shape__Length": 0.47676915597161446
    },
    {
      "OBJECTID": 4799,
      "GLOBAL_ID": "9459B39F-6EB4-4861-A16D-0B4FAE75D55B",
      "IDENT": "VNY",
      "ICAO_ID": "KVNY",
      "NAME": "VAN NUYS CLASS E2",
      "UPPER_DESC": "AA",
      "UPPER_VAL": -9998,
      "UPPER_UOM": null,
      "UPPER_CODE": null,
      "LOWER_DESC": null,
      "LOWER_VAL": 0,
      "LOWER_UOM": "FT",
      "LOWER_CODE": "SFC",
      "TYPE_CODE": "CLASS",
      "LOCAL_TYPE": "CLASS_E2",
      "CLASS": "E",
      "MIL_CODE": "CIVIL",
      "COMM_NAME": null,
      "LEVEL_": "L",
      "SECTOR": null,
      "ONSHORE": "1",
      "EXCLUSION": "0",
      "WKHR_CODE": "NOTAM",
      "WKHR_RMK": "Legal description references NOTAM",
      "DST": null,
      "GMTOFFSET": null,
      "CONT_AGENT": null,
      "CITY": "VAN NUYS",
      "STATE": "CA",
      "COUNTRY": "",
      "ADHP_ID": "F0AFB4E6-592A-46B2-A76A-5376CC5A0016",
      "US_HIGH": 0,
      "AK_HIGH": 0,
      "AK_LOW": 0,
      "US_LOW": 1,
      "US_AREA": 1,
      "PACIFIC": 1,
      "Shape__Area": 0.015015681843124185,
      "Shape__Length": 0.47676915597161446
    }
  ],
  "model_notes": [
    "Only the Van Nuys D/E2 surface-area comparison is modeled; separate H24 E4 extension and overlying sectors are omitted.",
    "The unchanged LA excerpt clips a small north cap. The chart edge is not an airspace boundary; no north-edge closing wall is drawn.",
    "Day/night lighting and tower-open/tower-closed example states are independent, manually selected, and not live.",
    "The open/closed control is not a live tower schedule. Class D applies below 3000 ft MSL when effective. The E2 rendering is cut away at 3000 ft MSL solely for comparison; that is NOT an E2 ceiling.",
    "At or above 3000 ft MSL within this added footprint, the model reports unmodeled rather than guessing overlying sectors.",
    "Other LA airport operating states are unchanged; LGB, TOA and FUL do not default to E on tower closure."
  ]
}