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United States Department of Transportation United States Department of Transportation

Safety Alerts, Charting Notices & Data Product Notices

  • Safety Alerts (SA) are published to notify users of an error that was reported or discovered in one of our products. The specific product and effective date(s) are provided.
  • Charting Notices (CN) are published to notify users of a planned chart/publication enhancement and the effective date in which the enhancement will be implemented.
  • Data Product Notices (DPN) are published to notify users of a system outage. DPNs may also be used to notify users of a developmental upgrade to one of our digital products and the effective date in which the upgrade will be implemented.

In addition to the Safety Alerts and Charting Notices on this page, pilots and FAA Aeronautical Chart Agents may wish to view the most recent information available at:


Pilots are also encouraged to view:

Safety Alerts, Charting Notices & Digital Charting Notices
Date Posted Affected Product(s) Effective Date Subject and Additional Information
Nov 26, 2024 28-Day NASR Subscriber Files Dec 26, 2024 In the FIX.txt, FIX_BASE_CSV, FIX_CHRT; ENROUTE HIGH and CONTROLLER HIGH is omitted for ANIAK. See the 24-22 NASR Safety Alert (PDF) for complete information.
Nov 8, 2024 28-Day NASR Subscriber Files Nov 28, 2024 Coordinates for ROGRZ WP are in error. See the 24-21 NASR Safety Alert (PDF) for complete information.
Nov 8, 2024 digital-Terminal Procedures Publication (d-TPP) (2411) (2412) U.S. Terminal Procedures Publication (TPP) Vol SE-1 Oct 31, and Nov 28, 2024 The ILS Y OR LOC Y RWY 3, AMDT 2 and ILS Z OR LOC Z RWY 3, ORIG at BOWLING GREEN-WARREN COUNTY RGNL, BOWLING GREEN, KY (BWG) prematurely depicted the relocation of BWG DME, including its new channel and frequency. See the 24-10 TERM Safety Alert (PDF) for complete information.
Nov 6, 2024 digital-Terminal Procedures Publication (d-TPP) (2411) and (2412) U.S. Terminal Procedures Publication (TPP) Vol NE-1, Chart Supplement Northeast U.S. Oct 31, and Nov 28, 2024 Corrected Airport Diagram for Rhode Island TF Green Intl (PVD), Providence, RI. See the 24-09 TERM Safety Alert (PDF) for complete information.
Nov 4, 2024 56-Day NASR Subscriber Files Oct 31, 2024 The Class E2 airspace at Manchester Boston Regional Airport, Manchester, NH was removed from the subscriber files effective for October 31, 2024. See the 24-20 NASR Safety Alert (PDF) for complete information.
Oct 22, 2024 Chart Supplements Feb 20, 2025 Removal of Foreign Data. See the CS 24-01 Charting Notice (PDF) for complete information.
Oct 16, 2024 Chart Supplement - All U.S. and Alaska Chart Supplement Volumes Oct 31, 2024 Airport Sketch Overprint of Runway Data Text in Airport/Facility Directory Section. See the CS 24-03 Safety Alert (PDF) for complete information.
Oct 9, 2024 28-Day NASR Subscriber Files Oct 31, 2024 The APT txt & csv 28 Day NASR subscriber files effective 31 OCT 2024 for Charlotte/Douglas Intl (CLT), RWY 05/23 data was deleted. See the 24-19 NASR Safety Alert (PDF) for complete information.
Oct 7, 2024 Aeronautical Data Delivery Service (ADDS) Oct 7, 2024 Airport Diagrams - Test/Sample Data Release. See the 24-01 ADDS Data Product Notice (PDF) for complete information.
Sep 5, 2024 digital-Terminal Procedures Publications (d-TPP), U.S. Terminal Procedures Publications, and Chart Supplement PAC Volume Oct 31, 2024 Removal of Contour Line Depiction on Instrument Approach Procedures (IAP) Charts. See the 24-02 TERM Charting Notice (PDF) for complete information.
Aug 6, 2024 National Flight Data Digest (NFDD) and NASR Subscriber Files Sep 5, 2024 The NAVAIDS (.txt & .csv) subscriber files contains a paired VHF frequency error. See the 24-12 NASR Safety Alert (PDF) for complete information.
Jul 10, 2024 digital-Terminal Procedures Publications(d-TPP) U.S. Terminal Procedures Publications Chart Supplement Volumes Oct 31, 2024 Airport Diagrams - New Chevron symbol for Stopways/Overruns and Blast Pads. See the 24-01 TERM Charting Notice (PDF) for complete information.
Jun 20, 2024 NASR 28-Day Subscriber Files May 16, 2024 APT (.txt and .csv) files for MCCOOK BEN NELSON REGIONAL AIRPORT (MCK) shows RWY 30 END ELEVATION in error. See the 24-11 NASR Safety Alert (PDF) for complete information.
May 16, 2024 28-Day NASR Subscriber Files May 16, 2024 TORBY NDB (TE) should read DECOMISSIONED. See the 24-09 NASR Safety Alert (PDF) for complete information.
Apr 24, 2024 28-Day NASR Subscriber Files May 16, 2024 NAVAID LNK LOM (MARKER/NDB) reflects an error in status. See the 24-08 NASR Safety Alert (PDF) for complete information.
Apr 23, 2024 Digital Obstacle File (DOF) Apr 16, 2024 Processing the DOF and Daily DOF has been reverted back to using a Windows environment.See the 24-01 DOF Safety Alert (PDF) for complete information.
Apr 22, 2024 Digital Obstacle File (DOF) Apr 16, 2024 DOF is being generated in a Unix instead of Windows environment.See the 24-01 DOF Data Product Notice (PDF) for complete information.
Dec 5, 2023 NASR 28 and 56 Day AIXM Subscriber Files Dec 28, 2023 The APT_AIXM.zip subscriber file contained incomplete data. See the 23-12 NASR Safety Alert (PDF) for complete information.
Mar 28, 2023 Aeronautical Data Delivery Service (ADDS) Feb 23, 2023 Incorrect MOCA values in the 23 Feb 2023 ATS Routes datasets. See the 23-01 ADDS Safety Alert (PDF) for complete information.
Nov 8, 2022 Enroute IFR Charting Products Nov 8, 2022 Charting and Coding of Preferred Single Direction Routes. See the 22-02 ENR Charting Notice (PDF) for complete information.
Sep 21, 2021 Consumers of SNOWTAMS stored by the United States Sep 21, 2021 Effective immediately, until further notice, the United States NOTAM System will not be able to ingest, store, display, and disseminate international SNOWTAMs issued in the new ICAO SNOWTAM format. See the 21-02 USNOF Safety Alert (PDF) for complete information.
Mar 4, 2021 Users of Temporary Flight Restrictions (TFR) Apr 5, 2021 Temporary Flight Restrictions will be formatted in accordance with FAAO 7930.2. See the 21-01 USNOF Safety Alert (PDF) for complete information.
Feb 25, 2021 28-Day NASR Subscriber File, HARFIX.txt, NATFIX.txt and SSD.txt Files Jun 17, 2021 Discontinuation of HARFIX, NATFIX, and SSD files. See the 21-01 NASR Charting Notice (PDF) for complete information.

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