List of Class D airports in the United States

Class D is a class of airspace in the United States which follows International Civil Aviation Organization (ICAO) air space designation. Class D airspace areas are designed to improve aviation safety by reducing the risk of mid-air collisions with a control tower.FAA Order JO 7400.2L, Procedures for Handling Airspace Matters, effective October 12, 2017 (with changes), accessed December 4, 2017 Aircraft operating in these airspace areas are subject to certain operating rules and equipment requirements.

United States