This page contains the 28 Day NASR Subscription data effective July 09, 2026.

• 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.

• 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.

• Class B,C,D,E Airspace Shape Files

Comma-separated Values (CSV) Data

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

• Data in CSV format all CSV files and the README document.
• 28 Day Cycle CSV Change Report Files
• Individual CSV groups
  • Airports and Other Landing Facilities (APT)
  • Air Traffic Control Communication (ATC)
  • Airway (AWY)
  • ARTCC Boundary Data (ARB)
  • ASOS/AWOS (AWOS)
  • Class Airspace (CLS_ARSP)
  • Coded Departure Routes (CDR)
  • Communication Facilities (COM)
  • Departure Procedure (DP)
  • Fix/Reporting Point/Waypoint (FIX)
  • Flight Service Stations (FSS)
  • Frequency Data (FRQ)
  • Holding Patterns (HPF)
  • Instrument Landing Systems (ILS)
  • Location Identifiers (LID)
  • Military Operations (MIL_OPS)
  • Military Training Routes (MTR)
  • Miscellaneous Activity Area (MAA)
  • Navigation Aids (NAV)
  • Parachute Jump Area (PJA)
  • Preferred Route / Tower Enroute Control (TEC) Routes (PFR)
  • RADAR Data (RDR)
  • Standard Terminal Arrival (STAR)
  • Weather Reporting Locations (WXL)

Legacy (TXT) Data

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

• Airports and Other Landing Facilities (APT)
• ARTCC Boundary Descriptions (ARB)
• ARTCC Facilities (AFF)
• ASOS/AWOS (AWOS)
• ATC Tower and Satellite Airport Communications (TWR)
• ATS Non-Regulatory Airways (ATS)
• Coded Departure Routes (CDRs) (CDR)
• Country Codes
• Fix/Reporting Point/Waypoint (FIX)
• Flight Service Station Communications Facilities (COM)
• Flight Service Stations (FSS)
• Holding Patterns (HPF)
• Instrument Landing Systems (ILS/MLS) (ILS)
• Location Identifiers (LID)
• Miscellaneous Activity Area (MAA)
• Military Training Routes (MTR)
• Navigation Aids (NAV)
• Parachute Jump Area (PJA)
• Preferred Route / Tower Enroute Control (TEC) Routes (PFR)
• Regulatory Airways (AWY)
• Standard Terminal Arrival / Standard Instrument Departure (Complete Set) (STARDP)
• State Codes
• Weather Reporting Locations (WXL)

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

• Layout Data for Airports and Other Landing Facilities (APT)
• Layout Data for ARTCC Boundary Descriptions (ARB)
• Layout Data for ARTCC Facilities (AFF)
• Layout Data for ASOS/AWOS (AWOS)
• Layout Data for ATC Tower and Satellite Airport Communications (TWR)
• Layout Data for ATS Non-Regulatory Airways (ATS)
• Layout Data for Coded Departure Routes (CDRs) (CDR)
• Layout Data for Fix/Reporting Point/Waypoint (FIX)
• Layout Data for Flight Service Station Communications Facilities (COM)
• Layout Data for Flight Service Stations (FSS)
• Layout Data for Holding Patterns (HPF)
• Layout Data for Instrument Landing Systems (ILS/MLS) (ILS)
• Layout Data for Location Identifiers (LID)
• Layout Data for Miscellaneous Activity Area (MAA)
• Layout Data for Military Training Routes (MTR)
• Layout Data for Navigation Aids (NAV)
• Layout Data for Parachute Jump Area (PJA)
• Layout Data for Preferred Route / Tower Enroute Control (TEC) Routes (PFR)
• Layout Data for Regulatory Airways (AWY)
• Layout Data for Standard Terminal Arrival / Standard Instrument Departure (Complete Set) (STARDP)
• Layout Data for Weather Reporting Locations (WXL)