About this Collection

This collection contains data derived from the FAA Obstruction Evaluation / Airport Airspace Analysis (OE/AAA) database. The data is updated monthly and presented as an Excel (.xlsx) file, KMZ files and ESRI ARCGIS Geodatabase feature classes and layer files.

NOTE: As of the September 2025 update, the data provided by the FAA has changed. There are fewer attributes for each record (see Attribute Comparison document).