Airspace Protection Zones


The airspace protection zones for Ontario International Airport primarily affect lands within the Cities of Ontario, Rancho Cucamonga, and Upland.  The Cities of Chino, Fontana, and Montclair and unincorporated areas of San Bernardino County are affected to a lesser extent.  Portions of the airspace protection zones also extend into the Counties of Riverside and Los Angeles however Airspace protection policies are only advisory.