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United States Department of Transportation United States Department of Transportation

28 Day NASR Subscription - Effective October 02, 2025

This page contains the 28 Day NASR Subscription data effective October 02, 2025.

    Note: The full 28 Day Subscriber ZIP file was updated on September 08, 2025 and now includes all SAA data. No other updates were made. The data are complete.

  • Download the full subscription file.
  • View the README file.
  • Legacy TXT to CSV Mapping Document. Download

AIXM Data

The following data are formatted in either AIXM 5.0 or AIXM 5.1.

    Note: The AIXM 5.0 Special Activity Area (SAA) subscriber file (aixm5.0.zip) is now incuded. No files are missing.

  • AIXM 5.1 versions of the Navigation Aid, Airport, ASOS/AWOS, and Airway subscriber files are available. Download
  • AIXM 5.0 versions of Special Activity Airspace (SAA) subscriber files are available. Download

Shape File Data

The following class airspace definitions are provided in ESRI Shape format.

Comma-separated Values (CSV) Data

Airport, frequency, and other aeronautical data is provided in a CSV file format.

Legacy (TXT) Data

The following data are formatted in a flat text file format.

The layout data for the Legacy (TXT) formats are available as a single download, or individually.

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