Class IV Airport [Aeronautics and Space] Law and Legal Definition

According to 14 CFR 139.5 [Title 14 Aeronautics and Space; Chapter I Federal Aviation Administration, Department of Transportation; Subchapter G Air Carriers and Operators for Compensation or Hire: Certification and Operations; Part 139 Certification of Airports; Subpart A General], Class IV airport means “an airport certificated to serve unscheduled passenger operations of large air carrier aircraft. A Class IV airport cannot serve scheduled large or small air carrier aircraft.”