Identification_Information:
  Citation:
    Citation_Information:
      Originator: Federal Aviation Administration (Aeronautical Information Services, ATA-100)
      Originator: Bureau of Transportation Statistics (comp.)
      Publication_Date: 2003
      Title: Public Use Airports
      Edition: 2003
      Geospatial_Data_Presentation_Form: vector digital data
      Publication_Information:
        Publication_Place: Washington, DC
        Publisher: Bureau of Transportation Statistics (BTS)
      Online_Linkage: http://www.bts.gov/gis/
      Larger_Work_Citation:
        Citation_Information:
          Originator: Bureau of Transportation Statistics (BTS)
          Publication_Date: 2003
          Title: National Transportation Atlas Databases (NTAD) 2003
          Edition: 2003
          Geospatial_Data_Presentation_Form: vector digital data
          Publication_Information:
            Publication_Place: Washington, DC
            Publisher: Bureau of Transportation Statistics (BTS)
          Online_Linkage: http://www.bts.gov/gis/
  Description:
    Abstract: The Public Use Airports database is a geographic point database of aircraft landing facilities in the United States and U.S. Territories.  Attribute data is provided on the physical and operational characteristics of the landing facility, current usage including enplanements and aircraft operations, congestion levels and usage categories.  There are 20074 airport landing facilities in this dataset.   This geospatial data is derived from the FAA's National Airspace System Resource Aeronautical Data Product (Effective 23 January 2003).
    Purpose: The dataset provides users with information about airport locations and attributes and can be used for national and regional analysis applications.
  Time_Period_of_Content:
    Time_Period_Information:
      Single_Date/Time:
        Calendar_Date: 23 January 2003
    Currentness_Reference: publication date
  Status:
    Progress: Complete
    Maintenance_and_Update_Frequency: Annually
  Spatial_Domain:
    Bounding_Coordinates:
      West_Bounding_Coordinate: -177.379517
      East_Bounding_Coordinate: 174.113617
      North_Bounding_Coordinate: 71.285446
      South_Bounding_Coordinate: -14.331660
  Keywords:
    Theme:
      Theme_Keyword_Thesaurus: none
      Theme_Keyword: transportation
      Theme_Keyword: runway
      Theme_Keyword: runways
      Theme_Keyword: airport
    Place:
      Place_Keyword_Thesaurus: none
      Place_Keyword: United States
      Place_Keyword: US
      Place_Keyword: USA
      Place_Keyword: US Territories
    Stratum:
      Stratum_Keyword_Thesaurus: none
      Stratum_Keyword: ground
    Temporal:
      Temporal_Keyword_Thesaurus: none
      Temporal_Keyword: 2003
  Access_Constraints: None
  Use_Constraints: None.  Acknowledgment of the Federal Aviation Administration (FAA) and the Bureau of  Transportation Statistics (BTS) National Transportation Atlas Databases (NTAD) 2003 would be appreciated in products derived from these data.
  Point_of_Contact:
    Contact_Information:
      Contact_Organization_Primary:
        Contact_Organization: Federal Aviation Administration (Aeronautical Information Services, ATA-100)
      Contact_Address:
        Address_Type: mailing and physical address
        Address: FAA National Headquarters
        Address: 800 Independence Avenue, S.W.
        City: Washington
        State_or_Province: DC
        Postal_Code: 20591
        Country: USA
      Contact_Voice_Telephone: 1-800-457-6656 x35442
  Data_Set_Credit: The Federal Aviation Administration (FAA) develops and maintains the textual data from which this geospatial layer was derived.
  Native_Data_Set_Environment: Microsoft Windows NT Version 4.0 (Build 1381) Service Pack 6; ESRI ArcCatalog 8.3.0.800
  Cross_Reference:
    Citation_Information:
      Originator: Bureau of Transporation Statistics (BTS)
      Publication_Date: 2003
      Title: Public Use Airports
      Edition: 2003
      Geospatial_Data_Presentation_Form: vector digital data
      Publication_Information:
        Publication_Place: Washington, DC
        Publisher: Bureau of Transporation Statistics (BTS)
      Online_Linkage: http://www.bts.gov/gis/
      Larger_Work_Citation:
        Citation_Information:
          Originator: Bureau of Transportation Statistics (BTS)
          Publication_Date: 2003
          Title: National Transportation Atlas Databases (NTAD) 2003
          Edition: 2003
          Geospatial_Data_Presentation_Form: vector digital data
          Publication_Information:
            Publication_Place: Washington, DC
            Publisher: Bureau of Transportation Statistics (BTS)
          Online_Linkage: http://www.bts.gov/gis/
Data_Quality_Information:
  Attribute_Accuracy:
    Attribute_Accuracy_Report: Airport attributes were obtained from the Federal Aviation Administration's (FAA) National Airspace System Resource Aeronautical Data and the Office of Airline Information (OAI) Enplanement Data.   The FAA Data was published by the Aeronautical Information Services (ATA-100) with an Effective Date of 23 January 2003.   All records were assigned the accurate state name, state abbreviation and FIPS code.
    Quantitative_Attribute_Accuracy_Assessment:
      Attribute_Accuracy_Value: unknown
  Logical_Consistency_Report: All point records in this dataset are represented by a single coordinate pair and two unique feature identifiers -- the landing facility location identifier (LOCID) and the site number (SITE_NO) assigned by the FAA.
  Positional_Accuracy:
    Horizontal_Positional_Accuracy:
      Horizontal_Positional_Accuracy_Report: Horizontal positional accuracy is based on coordinate data provided in the FAA National Airspace System Resource Aeronautical Dataset (Effective 23 January 2003).  These coordinate data identify the approximate location of the Airport Reference Point (ARP) as reported by the landing facility on the NFDC (National Flight Data Center) 5010 form.  According to NFDC guidelines, the location of the ARP should be reported to a horizontal accuracy of one arc second of latitude and longitude.  However, the accuracy of these reported coordinates are not verified by FAA.  The records were loaded into a GIS and checked for any unusual or obviously erroneous locations.
      Quantitative_Horizontal_Positional_Accuracy_Assessment:
        Horizontal_Positional_Accuracy_Value: unknown
  Lineage:
    Source_Information:
      Source_Citation:
        Citation_Information:
          Originator: Federal Aviation Administration (Aeronautical Information Services, ATA-100)
          Publication_Date: 23 January 2003
          Title: FAA National Airspace System Resource Aeronautical Data
          Edition: FAA National Airspace System Resource Aeronautical Data (Effective 21 February 2002)
          Geospatial_Data_Presentation_Form: tabular digital data
          Publication_Information:
            Publication_Place: Washington, DC
            Publisher: Federal Aviation Administration (FAA)
          Larger_Work_Citation:
            Citation_Information:
              Originator: Bureau of Transportation Statistics (BTS)
              Publication_Date: 2003
              Title: National Transportation Atlas Databases (NTAD) 2003
              Edition: 2003
              Geospatial_Data_Presentation_Form: vector digital data
              Publication_Information:
                Publication_Place: Washington DC
                Publisher: Bureau of Transportation Statistics (BTS)
              Online_Linkage: <http://www.bts.gov/gis/>
      Type_of_Source_Media: CD-ROM
      Source_Time_Period_of_Content:
        Time_Period_Information:
          Single_Date/Time:
            Calendar_Date: 21 February 2002
        Source_Currentness_Reference: publication date
      Source_Citation_Abbreviation: FAA-NASRAD-21FEB2002
      Source_Contribution: Data were obtained from the Federal Aviation Administration's (FAA) National Airspace System Resource Aeronautical Data.  This product was published by the Aeronautical Information Services (ATA-100) with an Effective Date of 21 February 2002.
    Process_Step:
      Process_Description: The creation of this geospatial data layer was completed by BTS in March 2003.  This Shapefile was derived from textual data on the FAA National Airspace System Resource Aeronautical Data CDROM, effective 23 January 2003 (FAA-NASRAD-23JAN2003).  These textual data were process using AML scripts to create a coverage with additional dbf's.  This coverage and associated dbf's were appended together using the SITE_NO as the unique identifier.
      Source_Used_Citation_Abbreviation: FAA-NASRAD-23JAN2003
      Process_Date: March 2003
      Process_Contact:
        Contact_Information:
          Contact_Organization_Primary:
            Contact_Organization: Bureau of Transportation Statistics (BTS)
          Contact_Address:
            Address_Type: mailing and physical address
            Address: Room 3430
            Address: 400 Seventh Street, S.W.
            City: Washington
            State_or_Province: DC
            Postal_Code: 20590
            Country: USA
          Contact_Voice_Telephone: 202-366-DATA
          Contact_Facsimile_Telephone: 202-366-3640
          Contact_Electronic_Mail_Address: answers@bts.gov
Spatial_Data_Organization_Information:
  Direct_Spatial_Reference_Method: Vector
  Point_and_Vector_Object_Information:
    SDTS_Terms_Description:
      SDTS_Point_and_Vector_Object_Type: Entity point
      Point_and_Vector_Object_Count: 20074
Spatial_Reference_Information:
  Horizontal_Coordinate_System_Definition:
    Geographic:
      Latitude_Resolution: 0.000001
      Longitude_Resolution: 0.000001
      Geographic_Coordinate_Units: Decimal degrees
    Geodetic_Model:
      Horizontal_Datum_Name: D_WGS_1984
      Ellipsoid_Name: WGS_1984
      Semi-major_Axis: 6378137.000000
      Denominator_of_Flattening_Ratio: 298.257224
Entity_and_Attribute_Information:
  Detailed_Description:
    Entity_Type:
      Entity_Type_Label: airports
      Entity_Type_Definition: Airports of the United States and its territories in GIS format.
      Entity_Type_Definition_Source: Bureau of Transportation Statistics (BTS)
    Attribute:
      Attribute_Label: FID
      Attribute_Definition: Internal feature number.
      Attribute_Definition_Source: ESRI
      Attribute_Domain_Values:
        Unrepresentable_Domain: Sequential unique whole numbers that are automatically generated.
    Attribute:
      Attribute_Label: Shape
      Attribute_Definition: Feature geometry.
      Attribute_Definition_Source: ESRI
      Attribute_Domain_Values:
        Enumerated_Domain:
          Enumerated_Domain_Value: Point
          Enumerated_Domain_Value_Definition: Point Shapes as defined by ArcView
          Enumerated_Domain_Value_Definition_Source: ArcView Internal Attribute
        Unrepresentable_Domain: Coordinates defining the features.
    Attribute:
      Attribute_Label: SITE_NO
      Attribute_Definition: A unique identifying number followed by an asterisk and the 'landing facility type' code.  The SITE_NO forms the key to the airport records in the NFDC (5010) database.  Example: 04508.*A
      Attribute_Definition_Source: FAA
      Attribute_Domain_Values:
        Codeset_Domain:
          Codeset_Name: List of Official Airport Site Numbers
          Codeset_Source: FAA
    Attribute:
      Attribute_Label: FAC_TYPE
      Attribute_Definition: Facility Type
      Attribute_Definition_Source: FAA
      Attribute_Domain_Values:
        Enumerated_Domain:
          Enumerated_Domain_Value: AIRPORT
          Enumerated_Domain_Value_Definition: Airport Facility
          Enumerated_Domain_Value_Definition_Source: BTS
        Enumerated_Domain:
          Enumerated_Domain_Value: BALLOONPORT
          Enumerated_Domain_Value_Definition: Balloon Launch and Landing Facility
          Enumerated_Domain_Value_Definition_Source: BTS
        Enumerated_Domain:
          Enumerated_Domain_Value: SEAPLANE BASE
          Enumerated_Domain_Value_Definition: Facility for sea plane operations
          Enumerated_Domain_Value_Definition_Source: BTS
        Enumerated_Domain:
          Enumerated_Domain_Value: GLIDERPORT
          Enumerated_Domain_Value_Definition: Facility for glider operations
          Enumerated_Domain_Value_Definition_Source: BTS
        Enumerated_Domain:
          Enumerated_Domain_Value: HELIPORT
          Enumerated_Domain_Value_Definition: Facility for helicopter operations
          Enumerated_Domain_Value_Definition_Source: BTS
        Enumerated_Domain:
          Enumerated_Domain_Value: STOLPORT
          Enumerated_Domain_Value_Definition: Short Take Off and Landing Facility
          Enumerated_Domain_Value_Definition_Source: BTS
        Enumerated_Domain:
          Enumerated_Domain_Value: ULTRALIGHT
          Enumerated_Domain_Value_Definition: Facility for ultralight operations
          Enumerated_Domain_Value_Definition_Source: BTS
    Attribute:
      Attribute_Label: LOC_ID
      Attribute_Definition: A unique 3-4 character identifier assigned to the landing facility (i.e. airport).
      Attribute_Definition_Source: FAA
      Attribute_Domain_Values:
        Codeset_Domain:
          Codeset_Name: List of Official LOCID Codes
          Codeset_Source: FAA
    Attribute:
      Attribute_Label: EFF_DATE
      Attribute_Definition: Information Effective Data (MM/DD/YYYY).  This date coincides with the 56-day charting and publication cycle date.
      Attribute_Definition_Source: FAA
      Attribute_Domain_Values:
        Unrepresentable_Domain: date value
    Attribute:
      Attribute_Label: FAA_REGION
      Attribute_Definition: FAA Region where the facility is located
      Attribute_Definition_Source: FAA
      Attribute_Domain_Values:
        Enumerated_Domain:
          Enumerated_Domain_Value: ALL
          Enumerated_Domain_Value_Definition: Alaska
          Enumerated_Domain_Value_Definition_Source: FAA
        Enumerated_Domain:
          Enumerated_Domain_Value: ACE
          Enumerated_Domain_Value_Definition: Central
          Enumerated_Domain_Value_Definition_Source: FAA
        Enumerated_Domain:
          Enumerated_Domain_Value: AEA
          Enumerated_Domain_Value_Definition: Eastern
          Enumerated_Domain_Value_Definition_Source: FAA
        Enumerated_Domain:
          Enumerated_Domain_Value: AGL
          Enumerated_Domain_Value_Definition: Great Lakes
          Enumerated_Domain_Value_Definition_Source: FAA
        Enumerated_Domain:
          Enumerated_Domain_Value: AIN
          Enumerated_Domain_Value_Definition: International
          Enumerated_Domain_Value_Definition_Source: FAA
        Enumerated_Domain:
          Enumerated_Domain_Value: ANE
          Enumerated_Domain_Value_Definition: New England
          Enumerated_Domain_Value_Definition_Source: FAA
        Enumerated_Domain:
          Enumerated_Domain_Value: ANM
          Enumerated_Domain_Value_Definition: Northwest Mountain
          Enumerated_Domain_Value_Definition_Source: FAA
        Enumerated_Domain:
          Enumerated_Domain_Value: ASO
          Enumerated_Domain_Value_Definition: Southern
          Enumerated_Domain_Value_Definition_Source: FAA
        Enumerated_Domain:
          Enumerated_Domain_Value: ASW
          Enumerated_Domain_Value_Definition: Southwest
          Enumerated_Domain_Value_Definition_Source: FAA
        Enumerated_Domain:
          Enumerated_Domain_Value: AWP
          Enumerated_Domain_Value_Definition: Western-Pacific
          Enumerated_Domain_Value_Definition_Source: FAA
    Attribute:
      Attribute_Label: FAA_DISTRI
      Attribute_Definition: FAA District or Field Office Code
      Attribute_Definition_Source: FAA
      Attribute_Domain_Values:
        Codeset_Domain:
          Codeset_Name: List of Official FAA District and Field Office Codes
          Codeset_Source: FAA
    Attribute:
      Attribute_Label: ST_POSTAL_
      Attribute_Definition: A two letter postal abbreviation for the state, or US territory, where the airport's associated city is located.  This is not necessarily the state where the landing facility is physically located.
      Attribute_Definition_Source: FAA
      Attribute_Domain_Values:
        Codeset_Domain:
          Codeset_Name: List of Official U.S. State and Territory Postal Abbreviations
          Codeset_Source: U.S. Post Office
    Attribute:
      Attribute_Label: FIPS
      Attribute_Definition: State FIPS code
      Attribute_Definition_Source: BTS
      Attribute_Domain_Values:
        Codeset_Domain:
          Codeset_Name: Federal Information Processing Standard (FIPS), Publication 6-4
          Codeset_Source: National Institute for Standards and Technology (NIST)
    Attribute:
      Attribute_Label: STATE_NAME
      Attribute_Definition: Airport's associated state or territory name.
      Attribute_Definition_Source: FAA
      Attribute_Domain_Values:
        Codeset_Domain:
          Codeset_Name: Official List of U.S. States and Terretories
          Codeset_Source: FAA
    Attribute:
      Attribute_Label: COUNTY_NAM
      Attribute_Definition: Name of the county or parish associated with the airport.
      Attribute_Definition_Source: FAA
      Attribute_Domain_Values:
        Codeset_Domain:
          Codeset_Name: Official List of U.S. County and Parish Names
          Codeset_Source: FAA
    Attribute:
      Attribute_Label: CITY_NAME
      Attribute_Definition: Name of the city associated with the airport.
      Attribute_Definition_Source: FAA
      Attribute_Domain_Values:
        Codeset_Domain:
          Codeset_Name: Official List of U.S. Cities
          Codeset_Source: FAA
    Attribute:
      Attribute_Label: FULLNAME
      Attribute_Definition: Official Airport Name
      Attribute_Definition_Source: FAA
      Attribute_Domain_Values:
        Codeset_Domain:
          Codeset_Name: List of Official Airport Names
          Codeset_Source: FAA
    Attribute:
      Attribute_Label: OWNER_TYPE
      Attribute_Definition: Type of Airport Facility Owner
      Attribute_Definition_Source: FAA
      Attribute_Domain_Values:
        Enumerated_Domain:
          Enumerated_Domain_Value: PU
          Enumerated_Domain_Value_Definition: Publicly Owned
          Enumerated_Domain_Value_Definition_Source: FAA
        Enumerated_Domain:
          Enumerated_Domain_Value: PR
          Enumerated_Domain_Value_Definition: Privately Owned
          Enumerated_Domain_Value_Definition_Source: FAA
        Enumerated_Domain:
          Enumerated_Domain_Value: MA
          Enumerated_Domain_Value_Definition: Air Force Owned
          Enumerated_Domain_Value_Definition_Source: FAA
        Enumerated_Domain:
          Enumerated_Domain_Value: MN
          Enumerated_Domain_Value_Definition: Navy Owned
          Enumerated_Domain_Value_Definition_Source: FAA
        Enumerated_Domain:
          Enumerated_Domain_Value: MR
          Enumerated_Domain_Value_Definition: Army Owned
          Enumerated_Domain_Value_Definition_Source: FAA
    Attribute:
      Attribute_Label: FAC_USE
      Attribute_Definition: Facility Use -- Public or Private
      Attribute_Definition_Source: FAA
      Attribute_Domain_Values:
        Enumerated_Domain:
          Enumerated_Domain_Value: PU
          Enumerated_Domain_Value_Definition: Public Use Airport Facility
          Enumerated_Domain_Value_Definition_Source: FAA
        Enumerated_Domain:
          Enumerated_Domain_Value: PR
          Enumerated_Domain_Value_Definition: Private Use Airport Facility
          Enumerated_Domain_Value_Definition_Source: FAA
    Attribute:
      Attribute_Label: LAT_DEC
      Attribute_Definition: The latitude of the point expressed as a signed real number.  This value is in decimal degrees with negative values indicating West longitude and positive values indicating East longitude.
      Attribute_Definition_Source: FAA
      Attribute_Domain_Values:
        Range_Domain:
          Range_Domain_Minimum: 90 degrees North
          Range_Domain_Maximum: 90 degrees south
    Attribute:
      Attribute_Label: LONG_DEC
      Attribute_Definition: The longitude of the point expressed as a signed real number.  This value is in decimal degrees with negative values indicating South latitude and positive values indicating North latitude.
      Attribute_Definition_Source: FAA
      Attribute_Domain_Values:
        Range_Domain:
          Range_Domain_Minimum: 180 degrees East
          Range_Domain_Maximum: 180 degrees West
    Attribute:
      Attribute_Label: COORD_DET
      Attribute_Definition: Determination method for airport reference point.
      Attribute_Definition_Source: FAA
      Attribute_Domain_Values:
        Enumerated_Domain:
          Enumerated_Domain_Value: E
          Enumerated_Domain_Value_Definition: Estimated
          Enumerated_Domain_Value_Definition_Source: FAA
        Enumerated_Domain:
          Enumerated_Domain_Value: S
          Enumerated_Domain_Value_Definition: Surveyed
          Enumerated_Domain_Value_Definition_Source: FAA
    Attribute:
      Attribute_Label: ELEV
      Attribute_Definition: Elevation in feet at the highest point on the centerline of the useable landing surface.  Measured to the nearest foot with respect to mean sea level (MSL).
      Attribute_Definition_Source: FAA
      Attribute_Domain_Values:
        Unrepresentable_Domain: measured value
    Attribute:
      Attribute_Label: AERO_CHART
      Attribute_Definition: Aeronautical chart on which the airport facility appears.
      Attribute_Definition_Source: FAA
      Attribute_Domain_Values:
        Codeset_Domain:
          Codeset_Name: Index of Official Aeronautical Charts
          Codeset_Source: FAA
    Attribute:
      Attribute_Label: CBD_DIST
      Attribute_Definition: Distance from the central business district of the associated city to the airport in nautical miles (1 nautical mile = 6,080 feet).  Measured to the nearest nautical mile
      Attribute_Definition_Source: FAA
      Attribute_Domain_Values:
        Unrepresentable_Domain: measured value
    Attribute:
      Attribute_Label: CBD_DIR
      Attribute_Definition: Direction of airport from the central business district of the associated city.  Measured to the nearest 1/8 compass point
      Attribute_Definition_Source: FAA
      Attribute_Domain_Values:
        Enumerated_Domain:
          Enumerated_Domain_Value: N
          Enumerated_Domain_Value_Definition: North
          Enumerated_Domain_Value_Definition_Source: FAA
        Enumerated_Domain:
          Enumerated_Domain_Value: NE
          Enumerated_Domain_Value_Definition: Northeast
          Enumerated_Domain_Value_Definition_Source: FAA
        Enumerated_Domain:
          Enumerated_Domain_Value: E
          Enumerated_Domain_Value_Definition: East
          Enumerated_Domain_Value_Definition_Source: FAA
        Enumerated_Domain:
          Enumerated_Domain_Value: SE
          Enumerated_Domain_Value_Definition: Southeast
          Enumerated_Domain_Value_Definition_Source: FAA
        Enumerated_Domain:
          Enumerated_Domain_Value: S
          Enumerated_Domain_Value_Definition: South
          Enumerated_Domain_Value_Definition_Source: FAA
        Enumerated_Domain:
          Enumerated_Domain_Value: SW
          Enumerated_Domain_Value_Definition: Southwest
          Enumerated_Domain_Value_Definition_Source: FAA
        Enumerated_Domain:
          Enumerated_Domain_Value: W
          Enumerated_Domain_Value_Definition: West
          Enumerated_Domain_Value_Definition_Source: FAA
        Enumerated_Domain:
          Enumerated_Domain_Value: NW
          Enumerated_Domain_Value_Definition: Northwest
          Enumerated_Domain_Value_Definition_Source: FAA
    Attribute:
      Attribute_Label: ACT_DATE
      Attribute_Definition: Identifies the month and year that the facility was added to the NFDC airport database - only available for facilities opened since 1981 (MM/YYYY).
      Attribute_Definition_Source: FAA
      Attribute_Domain_Values:
        Unrepresentable_Domain: date value
    Attribute:
      Attribute_Label: CERT_TYPE_
      Attribute_Definition: Airport Certification Type and Date - The format is a two-character code followed by a month/year (MM/YYYY) of certification.
      Attribute_Definition_Source: FAA
      Attribute_Domain_Values:
        Enumerated_Domain:
          Enumerated_Domain_Value: AS
          Enumerated_Domain_Value_Definition: Landing facilities having a full certificate under FAR Part 139 and receiving scheduled air carrier service from carriers certified by the Civil Aeronautics Board. The A, B, C, D, E identifies the aircraft rescue and fire fighting index for the landing facility, and the 'S' is for scheduled air carrier service.
          Enumerated_Domain_Value_Definition_Source: FAA
        Enumerated_Domain:
          Enumerated_Domain_Value: BS
          Enumerated_Domain_Value_Definition: Landing facilities having a full certificate under FAR Part 139 and receiving scheduled air carrier service from carriers certified by the Civil Aeronautics Board. The A, B, C, D, E identifies the aircraft rescue and fire fighting index for the landing facility, and the 'S' is for scheduled air carrier service.
          Enumerated_Domain_Value_Definition_Source: FAA
        Enumerated_Domain:
          Enumerated_Domain_Value: CS
          Enumerated_Domain_Value_Definition: Landing facilities having a full certificate under FAR Part 139 and receiving scheduled air carrier service from carriers certified by the Civil Aeronautics Board. The A, B, C, D, E identifies the aircraft rescue and fire fighting index for the landing facility, and the 'S' is for scheduled air carrier service.
          Enumerated_Domain_Value_Definition_Source: FAA
        Enumerated_Domain:
          Enumerated_Domain_Value: DS
          Enumerated_Domain_Value_Definition: Landing facilities having a full certificate under FAR Part 139 and receiving scheduled air carrier service from carriers certified by the Civil Aeronautics Board. The A, B, C, D, E identifies the aircraft rescue and fire fighting index for the landing facility, and the 'S' is for scheduled air carrier service.
          Enumerated_Domain_Value_Definition_Source: FAA
        Enumerated_Domain:
          Enumerated_Domain_Value: ES
          Enumerated_Domain_Value_Definition: Landing facilities having a full certificate under FAR Part 139 and receiving scheduled air carrier service from carriers certified by the Civil Aeronautics Board. The A, B, C, D, E identifies the aircraft rescue and fire fighting index for the landing facility, and the 'S' is for scheduled air carrier service.
          Enumerated_Domain_Value_Definition_Source: FAA
        Enumerated_Domain:
          Enumerated_Domain_Value: AU
          Enumerated_Domain_Value_Definition: Landing facilities having a full certificate under FAR Part 139 but not currently receiving scheduled service.
          Enumerated_Domain_Value_Definition_Source: FAA
        Enumerated_Domain:
          Enumerated_Domain_Value: BU
          Enumerated_Domain_Value_Definition: Landing facilities having a full certificate under FAR Part 139 but not currently receiving scheduled service.
          Enumerated_Domain_Value_Definition_Source: FAA
        Enumerated_Domain:
          Enumerated_Domain_Value: CU
          Enumerated_Domain_Value_Definition: Landing facilities having a full certificate under FAR Part 139 but not currently receiving scheduled service.
          Enumerated_Domain_Value_Definition_Source: FAA
        Enumerated_Domain:
          Enumerated_Domain_Value: DU
          Enumerated_Domain_Value_Definition: Landing facilities having a full certificate under FAR Part 139 but not currently receiving scheduled service.
          Enumerated_Domain_Value_Definition_Source: FAA
        Enumerated_Domain:
          Enumerated_Domain_Value: EU
          Enumerated_Domain_Value_Definition: Landing facilities having a full certificate under FAR Part 139 but not currently receiving scheduled service.
          Enumerated_Domain_Value_Definition_Source: FAA
        Enumerated_Domain:
          Enumerated_Domain_Value: LS
          Enumerated_Domain_Value_Definition: Landing facilities having limited certification under FAR Part 139 and receiving scheduled air carrier service.
          Enumerated_Domain_Value_Definition_Source: FAA
        Enumerated_Domain:
          Enumerated_Domain_Value: LU
          Enumerated_Domain_Value_Definition: Landing facilities having limited certification under FAR Part 139 and not currently receiving scheduled air carrier service.
          Enumerated_Domain_Value_Definition_Source: FAA
        Enumerated_Domain:
          Enumerated_Domain_Value: N
          Enumerated_Domain_Value_Definition: 'N' or a blank indicates the facility is not certified.
          Enumerated_Domain_Value_Definition_Source: FAA
    Attribute:
      Attribute_Label: FED_AGREE
      Attribute_Definition: NASP/ Federal Agreement Code - a combination of 1 to 7 codes that indicate the type of federal agreements existing at the airport.
      Attribute_Definition_Source: FAA
      Attribute_Domain_Values:
        Enumerated_Domain:
          Enumerated_Domain_Value: N
          Enumerated_Domain_Value_Definition: National Plan of Integrated Airport Systems (NPIAS)
          Enumerated_Domain_Value_Definition_Source: FAA
        Enumerated_Domain:
          Enumerated_Domain_Value: B
          Enumerated_Domain_Value_Definition: Installation of Navigational Facilities on privately owned airports under F&E program
          Enumerated_Domain_Value_Definition_Source: FAA
        Enumerated_Domain:
          Enumerated_Domain_Value: G
          Enumerated_Domain_Value_Definition: Grant agreements under FAAP/ADAP/AIP
          Enumerated_Domain_Value_Definition_Source: FAA
        Enumerated_Domain:
          Enumerated_Domain_Value: H
          Enumerated_Domain_Value_Definition: Compliance with accessibility to the handicapped
          Enumerated_Domain_Value_Definition_Source: FAA
        Enumerated_Domain:
          Enumerated_Domain_Value: P
          Enumerated_Domain_Value_Definition: Surplus property agreement under Public Law 289
          Enumerated_Domain_Value_Definition_Source: FAA
        Enumerated_Domain:
          Enumerated_Domain_Value: R
          Enumerated_Domain_Value_Definition: Surplus Property agreement under Regulation 16-WAA
          Enumerated_Domain_Value_Definition_Source: FAA
        Enumerated_Domain:
          Enumerated_Domain_Value: S
          Enumerated_Domain_Value_Definition: Conveyance under Section 16, Federal Airport Act of 1946 or Section 23, Airport and Airway Development Act of 1970
          Enumerated_Domain_Value_Definition_Source: FAA
        Enumerated_Domain:
          Enumerated_Domain_Value: V
          Enumerated_Domain_Value_Definition: Advance Planning Agreement under FAAP
          Enumerated_Domain_Value_Definition_Source: FAA
        Enumerated_Domain:
          Enumerated_Domain_Value: X
          Enumerated_Domain_Value_Definition: Obligations assumed by transfer
          Enumerated_Domain_Value_Definition_Source: FAA
        Enumerated_Domain:
          Enumerated_Domain_Value: Y
          Enumerated_Domain_Value_Definition: Assurances pursuant to Title VI, Civil Rights Act of 1964
          Enumerated_Domain_Value_Definition_Source: FAA
        Enumerated_Domain:
          Enumerated_Domain_Value: Z
          Enumerated_Domain_Value_Definition: Conveyance under Section 303(C), Federal Aviation Act of 1958
          Enumerated_Domain_Value_Definition_Source: FAA
        Enumerated_Domain:
          Enumerated_Domain_Value: 1
          Enumerated_Domain_Value_Definition: Grant agreement has expired; however, agreement remains in effect as long as it is a public use facility
          Enumerated_Domain_Value_Definition_Source: FAA
        Enumerated_Domain:
          Enumerated_Domain_Value: 2
          Enumerated_Domain_Value_Definition: Section 303(C) Authority from FAA Act of 1958 has expired; however, agreement remains in effect as long as it is a public use facility
          Enumerated_Domain_Value_Definition_Source: FAA
        Enumerated_Domain:
          Enumerated_Domain_Value: 3
          Enumerated_Domain_Value_Definition: AP-4 Agreement under DLAND or DCLA has expired
          Enumerated_Domain_Value_Definition_Source: FAA
        Enumerated_Domain:
          Enumerated_Domain_Value: NONE
          Enumerated_Domain_Value_Definition: No Grant Agreement Exists
          Enumerated_Domain_Value_Definition_Source: FAA
    Attribute:
      Attribute_Label: INTERNATIO
      Attribute_Definition: Customs international airport - Whether the landing facility has been designated by the U.S. Treasury as an international airport of entry for customs.
      Attribute_Definition_Source: FAA
      Attribute_Domain_Values:
        Enumerated_Domain:
          Enumerated_Domain_Value: Y
          Enumerated_Domain_Value_Definition: Yes
          Enumerated_Domain_Value_Definition_Source: FAA
        Enumerated_Domain:
          Enumerated_Domain_Value: N
          Enumerated_Domain_Value_Definition: No
          Enumerated_Domain_Value_Definition_Source: FAA
    Attribute:
      Attribute_Label: CUST_LNDG_
      Attribute_Definition: Customs Landing Rights Airport - Whether the landing facility has been designated by the U.S. Treasury as a customs landing rights airport (some landing facilities may have these rights for cargo only).
      Attribute_Definition_Source: FAA
      Attribute_Domain_Values:
        Enumerated_Domain:
          Enumerated_Domain_Value: Y
          Enumerated_Domain_Value_Definition: Yes
          Enumerated_Domain_Value_Definition_Source: FAA
        Enumerated_Domain:
          Enumerated_Domain_Value: N
          Enumerated_Domain_Value_Definition: No
          Enumerated_Domain_Value_Definition_Source: FAA
    Attribute:
      Attribute_Label: JOINT_USE
      Attribute_Definition: Joint Use - Whether the landing facility has a military/civil joint use agreement that allows civil operations at a military airport or military operations at a civil airport.
      Attribute_Domain_Values:
        Enumerated_Domain:
          Enumerated_Domain_Value: Y
          Enumerated_Domain_Value_Definition: Yes
          Enumerated_Domain_Value_Definition_Source: FAA
        Enumerated_Domain:
          Enumerated_Domain_Value: N
          Enumerated_Domain_Value_Definition: No
          Enumerated_Domain_Value_Definition_Source: FAA
    Attribute:
      Attribute_Label: MIL_LNDG_R
      Attribute_Definition: Military Landing Rights - Whether the airport has entered into an agreement that grants landing rights to the military.
      Attribute_Definition_Source: FAA
      Attribute_Domain_Values:
        Enumerated_Domain:
          Enumerated_Domain_Value: Y
          Enumerated_Domain_Value_Definition: Yes
          Enumerated_Domain_Value_Definition_Source: FAA
        Enumerated_Domain:
          Enumerated_Domain_Value: N
          Enumerated_Domain_Value_Definition: No
          Enumerated_Domain_Value_Definition_Source: FAA
    Attribute:
      Attribute_Label: NAT_EMER_S
      Attribute_Definition: National Emergency Status - Status of an airport that is available for use during a national emergency.  These are civil airports that were formerly  military airfields but the military services have a continuing interest in their use during national emergencies.  Data values in this field are one, or a series, of alphanumeric codes indicating national emergency status, with each code in a series separated by a '/'.
      Attribute_Definition_Source: FAA
      Attribute_Domain_Values:
        Enumerated_Domain:
          Enumerated_Domain_Value: 1
          Enumerated_Domain_Value_Definition: Airport certified under FAR Part 139.
          Enumerated_Domain_Value_Definition_Source: FAA
        Enumerated_Domain:
          Enumerated_Domain_Value: 2
          Enumerated_Domain_Value_Definition: Civil airport where military use is subject to lease.
          Enumerated_Domain_Value_Definition_Source: FAA
        Enumerated_Domain:
          Enumerated_Domain_Value: 3P
          Enumerated_Domain_Value_Definition: Airport is partially released from national emergency use provision.
          Enumerated_Domain_Value_Definition_Source: FAA
        Enumerated_Domain:
          Enumerated_Domain_Value: 3E
          Enumerated_Domain_Value_Definition: Airport is entirely released from national emergency use provision.
          Enumerated_Domain_Value_Definition_Source: FAA
        Enumerated_Domain:
          Enumerated_Domain_Value: 4
          Enumerated_Domain_Value_Definition: Airport includes surplus real property which has been conveyed for, or converted to, revenue production.
          Enumerated_Domain_Value_Definition_Source: FAA
        Enumerated_Domain:
          Enumerated_Domain_Value: 5
          Enumerated_Domain_Value_Definition: Exclusive military use airport.
          Enumerated_Domain_Value_Definition_Source: FAA
        Enumerated_Domain:
          Enumerated_Domain_Value: 6
          Enumerated_Domain_Value_Definition: The airport is in the process of disposal or reversion.
          Enumerated_Domain_Value_Definition_Source: FAA
        Enumerated_Domain:
          Enumerated_Domain_Value: 7P
          Enumerated_Domain_Value_Definition: A letter of intent has been issued to release a part of the airport property.
          Enumerated_Domain_Value_Definition_Source: FAA
        Enumerated_Domain:
          Enumerated_Domain_Value: 7E
          Enumerated_Domain_Value_Definition: A letter of intent has been issued to release the entire airport property.
          Enumerated_Domain_Value_Definition_Source: FAA
        Enumerated_Domain:
          Enumerated_Domain_Value: 8
          Enumerated_Domain_Value_Definition: An exclusive right has been granted (whether or not in violation of an agreement).
          Enumerated_Domain_Value_Definition_Source: FAA
        Enumerated_Domain:
          Enumerated_Domain_Value: 8P
          Enumerated_Domain_Value_Definition: An exclusive right has been granted (whether or not in violation of an agreement); however, this exclusive right is of the proprietary type.
          Enumerated_Domain_Value_Definition_Source: FAA
        Enumerated_Domain:
          Enumerated_Domain_Value: 8N
          Enumerated_Domain_Value_Definition: An exclusive right exists through a P.L. 80-289 deed providing exemption for fuel and oil sales; however, an exclusive right for fuel oil sales has not been granted.
          Enumerated_Domain_Value_Definition_Source: FAA
    Attribute:
      Attribute_Label: MIL_INT
      Attribute_Definition: Military Emergency Interest - Military department(s) that maintains national emergency use interest in this civil facility.  Data values in this field are one, two, or three alphanumeric codes indicating military emergency use interest, with each code in a series separated by a '/'.
      Attribute_Definition_Source: FAA
      Attribute_Domain_Values:
        Enumerated_Domain:
          Enumerated_Domain_Value: A
          Enumerated_Domain_Value_Definition: Air Force
          Enumerated_Domain_Value_Definition_Source: FAA
        Enumerated_Domain:
          Enumerated_Domain_Value: R
          Enumerated_Domain_Value_Definition: Army
          Enumerated_Domain_Value_Definition_Source: FAA
        Enumerated_Domain:
          Enumerated_Domain_Value: N
          Enumerated_Domain_Value_Definition: Navy
          Enumerated_Domain_Value_Definition_Source: FAA
        Enumerated_Domain:
          Enumerated_Domain_Value: X
          Enumerated_Domain_Value_Definition: None [applicable only where there is an entry in the National Emergency * Status [NAT_EMER] Field]
          Enumerated_Domain_Value_Definition_Source: FAA
    Attribute:
      Attribute_Label: CNTL_TWR
      Attribute_Definition: Airport Control Tower located on the airport.
      Attribute_Definition_Source: FAA
      Attribute_Domain_Values:
        Enumerated_Domain:
          Enumerated_Domain_Value: Y
          Enumerated_Domain_Value_Definition: Yes
          Enumerated_Domain_Value_Definition_Source: FAA
        Enumerated_Domain:
          Enumerated_Domain_Value: N
          Enumerated_Domain_Value_Definition: No
          Enumerated_Domain_Value_Definition_Source: FAA
    Attribute:
      Attribute_Label: S_ENG_GA
      Attribute_Definition: Based Single Engine General Aviation Aircraft
      Attribute_Definition_Source: FAA
      Attribute_Domain_Values:
        Unrepresentable_Domain: Numeric count value
    Attribute:
      Attribute_Label: M_ENG_GA
      Attribute_Definition: Based Multi-engine general aviation aircraft
      Attribute_Definition_Source: FAA
      Attribute_Domain_Values:
        Unrepresentable_Domain: Numeric count value
    Attribute:
      Attribute_Label: JET_EN_GA
      Attribute_Definition: Based Jet engine general aviation aircraft
      Attribute_Definition_Source: FAA
      Attribute_Domain_Values:
        Unrepresentable_Domain: Numeric count value
    Attribute:
      Attribute_Label: HELICOPTER
      Attribute_Definition: Based Helicopters - General Aviation
      Attribute_Definition_Source: FAA
      Attribute_Domain_Values:
        Unrepresentable_Domain: Numeric count value
    Attribute:
      Attribute_Label: OPER_GLIDE
      Attribute_Definition: Base Operational Gliders - general aviation
      Attribute_Definition_Source: FAA
      Attribute_Domain_Values:
        Unrepresentable_Domain: Numeric count value
    Attribute:
      Attribute_Label: OPER_MIL
      Attribute_Definition: Based Military Aircraft - including helicopters
      Attribute_Definition_Source: FAA
      Attribute_Domain_Values:
        Unrepresentable_Domain: Numeric count value
    Attribute:
      Attribute_Label: ULTRALIGHT
      Attribute_Definition: Based Ultralight aircraft - general aviation
      Attribute_Definition_Source: FAA
      Attribute_Domain_Values:
        Unrepresentable_Domain: Numeric count value
    Attribute:
      Attribute_Label: COMM_SERV
      Attribute_Definition: Commercial Services - scheduled operations by CAB certified carriers or intrastate carriers and any scheduled commuter/cargo carriers (Annual Operations).
      Attribute_Definition_Source: FAA
      Attribute_Domain_Values:
        Unrepresentable_Domain: Numeric count value
    Attribute:
      Attribute_Label: AIR_TAXI
      Attribute_Definition: Air Taxi operators carrying passengers, mail, or mail for revenue (Annual Operations).
      Attribute_Definition_Source: FAA
      Attribute_Domain_Values:
        Unrepresentable_Domain: Numeric count value
    Attribute:
      Attribute_Label: LOCAL_OPS_
      Attribute_Definition: General Aviation, Local Operations - Those operating in the local traffic pattern or within a 20 mile radius (Annual Operations).
      Attribute_Definition_Source: FAA
      Attribute_Domain_Values:
        Unrepresentable_Domain: Numeric count value
    Attribute:
      Attribute_Label: ITIN_OPS_G
      Attribute_Definition: General Aviation - Itinerant Operations.  Those general aviation operations (excluding commuter or air taxi) not qualifying as local (Annual Operations).
      Attribute_Definition_Source: FAA
      Attribute_Domain_Values:
        Unrepresentable_Domain: Numeric count value
    Attribute:
      Attribute_Label: MIL_OPS
      Attribute_Definition: Military Aircraft Operations (Annual Operations).
      Attribute_Definition_Source: FAA
      Attribute_Domain_Values:
        Unrepresentable_Domain: Numeric count value
    Attribute:
      Attribute_Label: DOT_TOT
      Attribute_Definition: Total domestic enplanements (inbound plus outbound) - this field only valid for some airports.
      Attribute_Definition_Source: FAA
      Attribute_Domain_Values:
        Unrepresentable_Domain: Numeric count value
    Attribute:
      Attribute_Label: VERSION
      Attribute_Definition: The VERSION is a 2-digit number that will be incremented for all records in the database whenever a new release is distributed.  
      Attribute_Definition_Source: BTS
      Attribute_Domain_Values:
        Range_Domain:
          Range_Domain_Minimum: 00
          Range_Domain_Maximum: 99
    Attribute:
      Attribute_Label: REVISION
      Attribute_Definition: REVISION is a 2-digit number that will be incremented individually for each record whenever a change is made to one of its fields. 
      Attribute_Definition_Source: BTS
      Attribute_Domain_Values:
        Range_Domain:
          Range_Domain_Minimum: 00
          Range_Domain_Maximum: 99
Distribution_Information:
  Distributor:
    Contact_Information:
      Contact_Organization_Primary:
        Contact_Organization: Bureau of Transportation Statistics (BTS)
      Contact_Address:
        Address_Type: mailing and physical address
        Address: Bureau of Transportation Statistics (BTS)
        Address: 400 Seventh Street, S.W.
        City: Washington
        State_or_Province: District of Columbia
        Postal_Code: 20590
        Country: USA
      Contact_Voice_Telephone: 202-366-DATA
      Contact_Facsimile_Telephone: 202-366-3640
      Contact_Electronic_Mail_Address: answers@bts.gov
  Resource_Description: National Transportation Atlas Databases (NTAD) 2003
  Distribution_Liability: None
  Standard_Order_Process:
    Digital_Form:
      Digital_Transfer_Information:
        Format_Name: ESRI Shapefile
        Format_Version_Date: 2003
        File_Decompression_Technique: No compression applied.  However, if using digital transfer online option, note access instructions.
        Transfer_Size: 2.159
      Digital_Transfer_Option:
        Online_Option:
          Computer_Contact_Information:
            Network_Address:
              Network_Resource_Name: http://www.bts.gov/gis/
          Access_Instructions: Anyone with access to the World Wide Web may connect to the BTS server.  To access a specific database, go to the address listed above in the Network Resource Name.  The visitor can create a package of the dataset for download in a .zip format (i.e. MS-DOS zip archive).  This archived package is stored in a temporary file that can then be copied to the visitor's home directory.
        Offline_Option:
          Offline_Media: CD-ROM
          Recording_Capacity:
            Recording_Density: 650
            Recording_Density_Units: megabytes
          Recording_Format: ISO 9660
    Fees: None
    Ordering_Instructions: Call 202-366-DATA, fax 202-366-3640, or E-mail (answers@bts.gov) BTS to request the National Transportation Atlas Databases (NTAD) 2003 CD-ROM.  This and other BTS products may be ordered from the BTS Internet website (http://www.bts.gov/gis/).
  Technical_Prerequisites: Software that can process GIS files.
  Available_Time_Period:
    Time_Period_Information:
      Single_Date/Time:
        Calendar_Date: 2003
Metadata_Reference_Information:
  Metadata_Date: 20030428
  Metadata_Contact:
    Contact_Information:
      Contact_Organization_Primary:
        Contact_Organization: Bureau of Transportation Statistics (BTS)
      Contact_Address:
        Address_Type: mailing and physical address
        Address: Bureau of Transportation Statistics (BTS)
        Address: Room 3430
        Address: 400 Seventh Street, S.W.
        City: Washington
        State_or_Province: District of Columbia
        Postal_Code: 20590
        Country: USA
      Contact_Voice_Telephone: 202-366-DATA
      Contact_Facsimile_Telephone: 202-366-3640
      Contact_Electronic_Mail_Address: answers@bts.gov
  Metadata_Standard_Name: FGDC Content Standards for Digital Geospatial Metadata
  Metadata_Standard_Version: FGDC-STD-001-1998
  Metadata_Time_Convention: local time
  Metadata_Access_Constraints: None
  Metadata_Use_Constraints: None
  Metadata_Extensions:
    Online_Linkage: http://www.esri.com/metadata/esriprof80.html
    Profile_Name: ESRI Metadata Profile
