Iowa Department of TransportationIowa DOT Aviation dataset showing the aviation Zones (5K,10K, and 20K ft) round airports. Data has been compiled from the Modal Transportation Bureau to insure the accuracy of the data. Created By: Dominic Roberge Created on: 11-07-2025 Requested By: Tim McClung Requested on: 10-15-2025ArcGIS FeatureLayerhttps://hub.arcgis.com/datasets/9918f57ef851468c9becbc376caeb054_2engIowaDOT Open DataPublicAirports Zones 5K 10K 20K View [Iowa]Web servicesIowaLast Modified: 2025-11-07