North American Aviation's Inglewood plant

North American Aviation's Inglewood plant
Name	North American Aviation Inglewood Plant
Industry	Aerospace manufacturing
Founded	1939
Defunct	1990s (site redeveloped)
Headquarters	Inglewood, California
Products	Aircraft, propulsion components
Parent	North American Aviation

North American Aviation's Inglewood plant was a major aerospace manufacturing complex located in Inglewood, California that operated from the late 1930s through the Cold War era. The facility served as a principal production site for North American Aviation during periods of rapid expansion tied to the World War II mobilization and postwar United States Air Force rearmament. Its physical presence and industrial output influenced aviation supply chains across Southern California, shaping local infrastructure, labor movements, and urban redevelopment patterns.

History

The plant was established as part of North American Aviation's westward expansion in the late 1930s to support contracts from the United States Army Air Corps, later the United States Army Air Forces, and subsequently the United States Air Force. Early expansions coincided with procurement programs linked to the Lend-Lease Act and the escalating World War II aircraft buildup that also animated facilities such as Lockheed Burbank Plant and Douglas Aircraft Company Long Beach. During wartime, the Inglewood site integrated into the broader Southern California aviation complex that included suppliers like Vought-Sikorsky and Northrop Corporation subcontractors. Postwar, the plant shifted toward jet-age manufacturing aligned with programs overseen by Wendell L. Willkie-era procurement officials and later by Secretary of Defense Robert McNamara initiatives. Throughout the Cold War, the complex supported projects under Curtiss-Wright-era supply chains and responded to budgetary changes stemming from events like the Korean War and the Vietnam War. By the late 20th century, consolidation across aerospace, including mergers involving Rockwell International and Boeing, led to phased closures and eventual redevelopment of the Inglewood property.

Facilities and Layout

The Inglewood complex comprised multiple hangars, assembly lines, testing facilities, and administrative buildings organized across a multi-block footprint near Los Angeles International Airport. Large final-assembly hangars were configured to accommodate fuselage joins, wing mating, and secondary systems integration similar to layouts at the Boeing Renton Factory and Convair San Diego plants. Onsite ground-test areas incorporated instrumentation derived from practices at Caltech research collaborations and bench facilities reminiscent of Pratt & Whitney test cells. Ancillary infrastructure included sheet-metal shops, machine shops with tooling standards comparable to those at General Motors Los Angeles wartime plants, paint booths adapted from Douglas Aircraft processes, and a dedicated logistics yard interfacing with Southern Pacific Transportation Company rail spurs and truck routes to Port of Los Angeles. Security and access controls were patterned after federal procurement requirements used at Grumman Corporation complexes, and the site contained a small flightline for taxiing and low-speed tests.

Major Aircraft and Projects Produced

The plant produced several influential airframes and components, contributing to models associated with North American P-51 Mustang, North American B-25 Mitchell subcontract work, and later full assemblies for jet platforms such as the North American F-86 Sabre and North American F-100 Super Sabre. Subsystem fabrication supported programs like the North American XB-70 Valkyrie research effort and avionics integration seen in T-6 Texan trainer overhauls. During the Cold War, the site provided structural components for strategic bomber and interceptor programs procured by the Strategic Air Command and Air Defense Command, paralleling output at Martin Marietta and Douglas Aircraft Company installations. The plant also executed classified modifications and conversion projects for contractors performing work under National Security Agency and Central Intelligence Agency-sponsored aviation initiatives, following precedents set by projects at Lockheed Skunk Works.

Workforce and Labor Relations

The workforce at Inglewood reflected the demographic and labor dynamics of Los Angeles throughout mid-20th century industrialization, drawing machinists, riveters, electricians, and engineers from unions such as the International Association of Machinists and Aerospace Workers and the International Brotherhood of Electrical Workers. Labor actions at the plant intersected with regional strikes that involved counterparts at Douglas Aircraft and Lockheed, and were influenced by national bargaining frameworks negotiated through the Aerospace Industries Association and federal labor mediators. Women and African American workers joined production ranks during World War II under workforce policies aligned with Rosie the Riveter mobilization narratives and later civil-rights-era employment initiatives inspired by litigation and activism related to Fair Employment Practices Committee precedents. Training programs coordinated with institutions like University of Southern California engineering departments and vocational schools mirrored apprenticeship patterns used across the industry.

Role in World War II and Cold War Production

During World War II, the Inglewood plant was integral to the United States' aircraft production surge, contributing parts and assemblies to combat and transport aircraft procured under the War Production Board mobilization plan. The facility operated under accelerated production rhythms established by Franklin D. Roosevelt administration procurement policies and collaborated with military contracting officers from the Materiel Command. In the Cold War, the plant shifted to jet-age manufacturing, supporting Nuclear deterrence posture through contributions to strategic airframes and enabling rapid prototyping for defense programs managed by Air Force Systems Command and later North American Rockwell transitional programs. The plant's output fed into contingency surge capacities during crises such as the Berlin Blockade period and the Cuban Missile Crisis alert phases.

Closure, Redevelopment, and Legacy

Closure phases mirrored industry consolidation driven by corporate mergers, including North American Aviation's absorption into Rockwell International and later procurement realignments favoring other regions. The site underwent remediation and redevelopment, transforming former assembly areas into commercial and aerospace-adjacent uses, echoing redevelopment patterns seen at former Bethpage and Long Beach Naval Shipyard properties. Legacy elements persist in regional aviation heritage through archived engineering drawings held by institutions like the Smithsonian Institution and oral histories maintained by the National Air and Space Museum collections and local repositories such as the Los Angeles Public Library. The plant's influence endures in Southern California's aerospace ecosystem, informing studies of industrial mobilization, labor integration, and urban redevelopment.

Category:Defunct aircraft manufacturers of the United States Category:Industrial buildings and structures in Los Angeles County, California