FAA Digital Obstacle File

Obstruction data for those man-made objects that affect aeronautical charting products and does not purport to indicate the presence of all obstructions that may be encountered.

Current Effective Date: 0901Z 13 Jun 2022 to 0901Z 08 Aug 2022

The Digital Obstacle File dataset describes all known obstacles of interest to aviation users in the United States, with limited coverage of the Pacific, the Caribbean, Canada, and Mexico. It contains only obstruction data for those man-made objects that affect domestic aeronautical charting products and does not purport to indicate the presence of all obstructions that may be encountered. The obstacles are assigned unique numerical identifiers; accuracy codes, and listed in order by state. Obstacle information is published every eight weeks by the U.S. Department of Transportation, Federal Aviation Administration-Aeronautical Information Services.