Identification_Information:
  Citation:
    Citation_Information:
      Originator: Federal Aviation Administration (Aeronautical Information Services, ATA-100)
      Originator: Research and Innovative Technology Administration's Bureau of Transportation Statistics (RITA/BTS)
      Publication_Date: 2006
      Title: Public Use Airports
      Edition: 2006
      Geospatial_Data_Presentation_Form: vector digital data
      Publication_Information:
        Publication_Place: Washington, DC
        Publisher: Research and Innovative Technology Administration's Bureau of Transportation Statistics (RITA/BTS)
      Online_Linkage: http://www.bts.gov/programs/geographic_information_services/
      Larger_Work_Citation:
        Citation_Information:
          Originator: Research and Innovative Technology Administration's Bureau of Transportation Statistics (RITA/BTS)
          Publication_Date: 2006
          Title: National Transportation Atlas Databases (NTAD) 2006
          Geospatial_Data_Presentation_Form: vector digital data
          Publication_Information:
            Publication_Place: Washington, DC
            Publisher: Research and Innovative Technology Administration's Bureau of Transportation Statistics (RITA/BTS)
          Online_Linkage: http://www.bts.gov/programs/geographic_information_services/
  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 20362 airport landing facilities in this dataset.   This geospatial data is derived from the FAA's National Airspace System Resource Aeronautical Data Product (Effective 16 February 2006).
    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: 2006
    Currentness_Reference: publication date
  Status:
    Progress: Complete
    Maintenance_and_Update_Frequency: Annually
  Spatial_Domain:
    Bounding_Coordinates:
      West_Bounding_Coordinate: -177.379519
      East_Bounding_Coordinate: 174.113619
      North_Bounding_Coordinate: 71.285448
      South_Bounding_Coordinate: -14.331660
  Keywords:
    Theme:
      Theme_Keyword_Thesaurus: location
      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: 2006
  Access_Constraints: None
  Use_Constraints: None.  Acknowledgment of the Federal Aviation Administration (FAA) and the Research and Innovative Technology Administration's Bureau of  Transportation Statistics (RITA/BTS) National Transportation Atlas Databases (NTAD) 2006 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.
  Security_Information:
    Security_Classification: Unclassified
  Native_Data_Set_Environment: Microsoft Windows XP Version 5.1 (Build 2600) Service Pack 2; ESRI ArcCatalog 9.1.0.722
  Cross_Reference:
    Citation_Information:
      Originator: Research and Innovative Technology Administration's Bureau of Transporation Statistics (RITA/BTS)
      Publication_Date: 2006
      Title: National Transportation Atlas Databases (NTAD) 2006
      Geospatial_Data_Presentation_Form: vector digital data
      Publication_Information:
        Publication_Place: Washington, DC
        Publisher: Research and Innovative Technology Administration's Bureau of Transporation Statistics (RITA/BTS)
      Online_Linkage: http://www.bts.gov/programs/geographic_information_services/
      Larger_Work_Citation:
        Citation_Information:
          Publication_Information:
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 with an Effective Date of 16 February 2006.   All records were assigned the accurate state name, state abbreviation and FIPS code.
    Quantitative_Attribute_Accuracy_Assessment:
      Attribute_Accuracy_Value: unknown
      Attribute_Accuracy_Explanation: N/A
  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.

    BTS quality checks were to cross reference the place dataset with the state dataset, to determine that the spatial data and attribute data were accurate.
  Completeness_Report: unknown
  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 16 February 2006).  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: 1:
        Horizontal_Positional_Accuracy_Explanation: 1: = Unknown
  Lineage:
    Source_Information:
      Source_Citation:
        Citation_Information:
          Originator: Federal Aviation Administration (Aeronautical Information Services, ATA-100)
          Publication_Date: 2006
          Title: FAA National Airspace System Resource Aeronautical Data
          Edition: FAA National Airspace System Resource Aeronautical Data (Effective 16 February 2006).
          Geospatial_Data_Presentation_Form: tabular digital data
          Publication_Information:
            Publication_Place: Washington, DC
            Publisher: Federal Aviation Administration (FAA)
          Larger_Work_Citation:
            Citation_Information:
              Originator: Research and Innovative Technology Administration's Bureau of Transportation Statistics (RITA/BTS)
              Publication_Date: 2006
              Title: National Transportation Atlas Databases (NTAD) 2006
              Geospatial_Data_Presentation_Form: vector digital data
              Publication_Information:
                Publication_Place: Washington DC
                Publisher: Research and Innovative Technology Administration's Bureau of Transportation Statistics (RITA/BTS)
              Online_Linkage: http://www.bts.gov/programs/geographic_information_services/
      Type_of_Source_Media: CD-ROM
      Source_Time_Period_of_Content:
        Time_Period_Information:
          Single_Date/Time:
            Calendar_Date: 2006
        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 with an Effective Date of 16 February 2006.
    Process_Step:
      Process_Description: The creation of this geospatial data layer was completed by RITA/BTS in March 2006. This Shapefile was derived from textual data on the FAA National Airspace System Resource Aeronautical Data CDROM, effective 16 February 2006.   The Apt.txt file was converted into three separate files using the UNIX command grep.  The airport table structure was built in Oracle.  It followed the structure of the landing facility data described in the Apt_rf.txt file.  A control file was built for the desired airport data structure and SQL Loader was used to load the data into the database.  The degrees, minutes, and seconds columns were converted into decimal degrees and ESRI products were used to create the airport point file.
      Source_Used_Citation_Abbreviation: FAA-NASRAD
      Process_Date: 2006
      Process_Contact:
        Contact_Information:
          Contact_Organization_Primary:
            Contact_Organization: Research and Innovative Technology Administration's Bureau of Transportation Statistics (RITA/BTS)
            Contact_Person: Geospatial Information Program
          Contact_Address:
            Address_Type: mailing and physical address
            Address: 400 7th 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: 20362
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: Research and Innovative Technology Administration's Bureau of Transportation Statistics (RITA/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
    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: LAN_FA_TY
      Attribute_Definition: Landing 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: RITA/BTS
        Enumerated_Domain:
          Enumerated_Domain_Value: BALLOONPORT
          Enumerated_Domain_Value_Definition: Balloon Launch and Landing Facility
          Enumerated_Domain_Value_Definition_Source: RITA/BTS
        Enumerated_Domain:
          Enumerated_Domain_Value: SEAPLANE BASE
          Enumerated_Domain_Value_Definition: Facility for sea plane operations
          Enumerated_Domain_Value_Definition_Source: RITA/BTS
        Enumerated_Domain:
          Enumerated_Domain_Value: GLIDERPORT
          Enumerated_Domain_Value_Definition: Facility for glider operations
          Enumerated_Domain_Value_Definition_Source: RITA/BTS
        Enumerated_Domain:
          Enumerated_Domain_Value: HELIPORT
          Enumerated_Domain_Value_Definition: Facility for helicopter operations
          Enumerated_Domain_Value_Definition_Source: RITA/BTS
        Enumerated_Domain:
          Enumerated_Domain_Value: STOLPORT
          Enumerated_Domain_Value_Definition: Short Take Off and Landing Facility
          Enumerated_Domain_Value_Definition_Source: RITA/BTS
        Enumerated_Domain:
          Enumerated_Domain_Value: ULTRALIGHT
          Enumerated_Domain_Value_Definition: Facility for ultralight operations
          Enumerated_Domain_Value_Definition_Source: RITA/BTS
    Attribute:
      Attribute_Label: LOCID
      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 LOC ID 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: AAL
          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: FAA_ST
      Attribute_Definition: Airport's associated state or territory name.
      Attribute_Definition_Source: FAA
      Attribute_Domain_Values:
        Codeset_Domain:
          Codeset_Name: List State Codes
          Codeset_Source: FAA
    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 Territories
          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: COUNTY_ST
      Attribute_Definition: Associated county's state (post office code) state where the associated county is located; may not be the same as the associated city's state code.
      Attribute_Definition_Source: FAA
      Attribute_Domain_Values:
        Codeset_Domain:
          Codeset_Name: Official List of U.S. State 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: FAC_CYSTZP
      Attribute_Definition: City, State, and Zip code associated with the airport.
      Attribute_Definition_Source: FAA
      Attribute_Domain_Values:
        Unrepresentable_Domain: Character value
    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: ENE
          Enumerated_Domain_Value_Definition: East Northeast
          Enumerated_Domain_Value_Definition_Source: FAA
        Enumerated_Domain:
          Enumerated_Domain_Value: ESE
          Enumerated_Domain_Value_Definition: East Southeast
          Enumerated_Domain_Value_Definition_Source: FAA
        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: NNE
          Enumerated_Domain_Value_Definition: North Northeast
          Enumerated_Domain_Value_Definition_Source: FAA
        Enumerated_Domain:
          Enumerated_Domain_Value: NNW
          Enumerated_Domain_Value_Definition: North Northwest
          Enumerated_Domain_Value_Definition_Source: FAA
        Enumerated_Domain:
          Enumerated_Domain_Value: NW
          Enumerated_Domain_Value_Definition: Northwest
          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: SE
          Enumerated_Domain_Value_Definition: Southeast
          Enumerated_Domain_Value_Definition_Source: FAA
        Enumerated_Domain:
          Enumerated_Domain_Value: SSE
          Enumerated_Domain_Value_Definition: South Southeast
          Enumerated_Domain_Value_Definition_Source: FAA
        Enumerated_Domain:
          Enumerated_Domain_Value: SSW
          Enumerated_Domain_Value_Definition: South Southwest
          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: WNW
          Enumerated_Domain_Value_Definition: West Northwest
          Enumerated_Domain_Value_Definition_Source: FAA
        Enumerated_Domain:
          Enumerated_Domain_Value: WSW
          Enumerated_Domain_Value_Definition: West Southwest
          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_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: 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: LATITUDE
      Attribute_Definition: The latitude 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: 90 degrees South
          Range_Domain_Maximum: 90 degrees North
    Attribute:
      Attribute_Label: LONGITUDE
      Attribute_Definition: The longitude 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: 180 degrees West
          Range_Domain_Maximum: 180 degrees East
    Attribute:
      Attribute_Label: STFIPS
      Attribute_Definition: The 2-character FIPS code of the State or State equivalent
      Attribute_Definition_Source: RITA/BTS
      Attribute_Domain_Values:
        Codeset_Domain:
          Codeset_Name: Codes for the Identification of the States, the District of Columbia and the Outlying Areas of the United States, and Associated Areas, FIPS 5-2.
          Codeset_Source: U.S. Department of Commerce, National Institute of Standards and Technology
    Attribute:
      Attribute_Label: ST_POSTAL
      Attribute_Definition: Airport's associated state or territory name.
      Attribute_Definition_Source: RITA/BTS
      Attribute_Domain_Values:
        Codeset_Domain:
          Codeset_Name: Codes for the Identification of the States, the District of Columbia and the Outlying Areas of the United States, and Associated Areas, FIPS 5-2.
          Codeset_Source: U.S. Department of Commerce, National Institute of Standards and Technology
    Attribute:
      Attribute_Label: DOT_ENP
      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: RITA/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: RITA/BTS
      Attribute_Domain_Values:
        Range_Domain:
          Range_Domain_Minimum: 00
          Range_Domain_Maximum: 99
Distribution_Information:
  Distributor:
    Contact_Information:
      Contact_Organization_Primary:
        Contact_Organization: Research and Innovative Technology Administration's Bureau of Transportation Statistics (RITA/BTS)
        Contact_Person: Geospatial Information Program
      Contact_Address:
        Address_Type: mailing and physical address
        Address: Research and Innovative Technology Administration's Bureau of Transportation Statistics (RITA/BTS)
        Address: 400 7th Street, SW Room 4117
        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) 2006
  Distribution_Liability: None
  Standard_Order_Process:
    Digital_Form:
      Digital_Transfer_Information:
        Format_Name: ESRI Shapefile
        Format_Version_Date: 2006
        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:
          Access_Instructions: Due to a significant reduction in resources, the NTAD is no longer available for download.  The NTAD cdrom can be ordered from the online bookstore at www.bts.gov.  If resources allow, download applications will be restored.  When the applications become available, they will be found at www.bts.gov/programs/geographic_information_services.
        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) RITA/BTS to request the National Transportation Atlas Databases (NTAD) 2006 CD-ROM.  This and other RITA/BTS products may be ordered from the RITA/BTS Internet website http://www.bts.gov/programs/geographic_information_services/.
  Technical_Prerequisites: Software that can process GIS files.
  Available_Time_Period:
    Time_Period_Information:
      Single_Date/Time:
        Calendar_Date: 2006
Metadata_Reference_Information:
  Metadata_Date: 20060327
  Metadata_Contact:
    Contact_Information:
      Contact_Organization_Primary:
        Contact_Organization: Research and Innovative Technology Administration's Bureau of Transportation Statistics (RITA/BTS)
        Contact_Person: Geospatial Information Program
      Contact_Address:
        Address_Type: mailing and physical address
        Address: Research and Innovative Technology Administration's Bureau of Transportation Statistics (RITA/BTS)
        Address: 400 7th Street, SW Room 4117
        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
