Jack Northrop Field Hawthorne Municipal Airport (IATA: HHR, ICAO: KHHR) is a public general aviation airport located in Hawthorne, California, a city in Los Angeles County. The airport is named after Jack Northrop, the aviation pioneer and founder of Northrop Corporation, whose aircraft manufacturing operations were historically associated with the area. The airport serves primarily general aviation traffic, including private aircraft, charter flights, and flight training operations. It sits just a few miles from Los Angeles International Airport (LAX) and operates under Class D airspace. SpaceX, headquartered adjacent to the airport, has used the facility for logistics and operations support. Hawthorne Municipal does not offer scheduled commercial airline service. It functions as a reliever airport for the greater Los Angeles area, helping to reduce congestion at larger regional airports while supporting business aviation and local flying clubs.