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| Palmdale Joint-Use Airport/Air Force Plant 42 | |
|---|---|
| Name | Palmdale Joint-Use Airport/Air Force Plant 42 |
| IATA | PMD |
| ICAO | KPMD |
| FAA | PMD |
| Type | Public / Military |
| Owner | United States Air Force |
| Operator | Los Angeles World Airports (civil); United States Air Force (military) |
| City-served | Palmdale, California |
| Location | Antelope Valley, Los Angeles County, California |
| Elevation-f | 2,602 |
| Runway1 | 7L/25R |
| Runway1-length-f | 12,000 |
| Runway2 | 7R/25L |
| Runway2-length-f | 12,000 |
Palmdale Joint-Use Airport/Air Force Plant 42 is a dual civil-military aviation complex in the Antelope Valley of Los Angeles County, California, serving as both a public airport and a Federal Aviation Administration-designated military production facility. The site hosts flight test, aircraft modification, and sustainment activities and operates alongside nearby aerospace contractors, tying into the industrial networks of Lockheed Martin, Northrop Grumman, The Boeing Company, and historical programs linked to Edwards Air Force Base, Air Force Flight Test Center, and NASA research projects.
The site originated during the World War II expansion of aircraft production and evolved through Cold War programs into a prime United States Air Force manufacturing and testing hub. Early involvement by firms such as Consolidated Aircraft and later Northrop and Lockheed reflected shifting defense priorities during the Korean War and Vietnam War. During the 1950s and 1960s the location supported classified development for programs associated with Skunk Works activities at Burbank and Palmdale engineering teams, contributing to iconic aircraft like the Lockheed A-12 and supporting Skunk Works prototype work. The facility’s role expanded with the creation of Air Force Plant 42 nomenclature, connecting it institutionally to defense procurement processes overseen by United States Department of Defense acquisition frameworks.
The complex includes multiple hangars, two 12,000-foot runways, specialized test benches, paint shops, and secure modification bays used by prime contractors and subcontractors. It sits adjacent to the civil terminal managed by Los Angeles World Airports, linking the site to regional passenger and cargo networks including Los Angeles International Airport, Bob Hope Airport, and Ontario International Airport. Infrastructure supports heavy airframes, avionics integration, and telemetry instrumentation compatible with programs from Air Force Research Laboratory and telemetry-range systems connected to Edwards Air Force Base ranges. The site’s controlled-access zones, perimeter security, and restricted airspace coordination are integrated with Federal Aviation Administration air traffic procedures and North American Aerospace Defense Command watch protocols.
Operationally, the installation hosts tenant activities by defense contractors and maintains liaison with United States Air Force Materiel Command units and Air Force Reserve Command detachments. Test operations coordinate with the Western Air Defense Sector and range scheduling at China Lake and Edwards Air Force Base for flight sorties and weapon-system evaluations. Civil airline services operate scheduled flights under air carrier agreements with local carriers connecting to metropolitan hubs; these flights interoperate with on-site military scheduling through joint-use governance agreements and memoranda of understanding with Los Angeles World Airports and United States Air Force installation command structures.
Aircraft assembled, modified, or tested at the complex include developmental and production models from Lockheed Martin and The Boeing Company, historically including the SR-71 Blackbird predecessor programs and later support for the F-22 Raptor and F-35 Lightning II sustainment modifications. The facility has supported unmanned systems testing tied to General Atomics and sensor-integration projects associated with Raytheon Technologies and Northrop Grumman systems. Classified and unclassified avionics, stealth treatments, and structural modification programs have been a recurring element of on-site work, linking to broader acquisition programs managed by Air Force Life Cycle Management Center and interoperability efforts with Defense Advanced Research Projects Agency initiatives.
Located in the Antelope Valley ecological zone, the site’s operations affect regional air quality, noise contours, and habitat for species native to Mojave Desert margins. Environmental assessments have referenced compliance with California Environmental Quality Act procedures and coordination with California Air Resources Board standards for emissions. Community engagement programs involve local governments such as the City of Palmdale, workforce development partnerships with Antelope Valley College, and economic ties to regional aerospace supply chains. Public concerns have included night-operations noise, dust control during construction, and water use in a semi-arid watershed governed by Los Angeles County Department of Public Works and state water regulations.
The site’s long history of flight test and production has involved mishaps typical of developmental aviation work, including test-flight emergencies, ground incidents during modifications, and occasional runway excursions. Notable linked incidents in the region have been investigated by National Transportation Safety Board and Air Force Safety Center personnel, with findings informing updated safety protocols, maintenance procedures, and contractor oversight mechanisms. Accident investigations have emphasized telemetry redundancy, pilot qualifications, and runway surface inspections tied to Federal Aviation Administration advisory circulars and Air Force operational safety directives.
Planned upgrades envision expanded hangar capacity, enhanced avionics test facilities, and investment by primes for sustainment of fifth- and sixth-generation aircraft aligned with United States Department of Defense modernization priorities and Air Force roadmaps. Potential collaborations with NASA on hypersonics and with Defense Innovation Unit pilots on autonomous systems are discussed in planning documents, while regional transportation links aim to better connect the site with the Los Angeles Basin workforce. Future environmental mitigations and community benefit agreements are expected to align with California Energy Commission and state environmental stewardship initiatives.
Category:Airports in Los Angeles County, California Category:United States Air Force installations in California