Aeronautical Survey Program
Aeronautical Survey Program

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UDDF Description

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UDDF File

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The National Geodetic Survey (NGS), in accordance with a series of interagency agreements with the Federal Aviation Administration (FAA), provides runway, navigational aid, obstruction, and other aeronautical data that is critical to the operation of the National Airspace System. Most of this data is source information obtained using field survey and photogrammetric methods.

Digital delivery is available through ASCII files in the "Universal Data Delivery Format (UDDF)". Hard copy delivery is available through the products described in "Other Aeronautical Products".


All digital data posted after January 28, 2004 will be in UDDF version 1.07

UDDF DATA FILES:

  • select a state : then press

  • OR...Click on the appropriate FAA region on the map and/or hypertext to access data:

| ALASKAN| CENTRAL | EASTERN | GREAT-LAKES | NEW-ENGLAND| NORTHWEST-MOUNTAIN| SOUTHERN|
SOUTHWEST | WESTERN-PACIFIC | INTERNATIONAL | MISCELLANEOUS-NAVAIDS

Note:

INTERNATIONAL includes data for airports located outside the United States.

MISCELLANEOUS-NAVAIDS includes data for navigational aids located more than 10 nautical miles from an NGS surveyed airport or navigational aids not associated with an instrument approach procedure for an NGS surveyed airport.


Inquiries, questions, comments, or recommendations concerning all NGS aeronautical products, including the UDDF, should be directed to:

Aeronautical Data Coordinator: uddf @ ngs.noaa.gov

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