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AAR CORP
John Holmes leads AAR CORP, the NYSE-listed aerospace aftermarket firm supplying parts and maintenance to government and commercial fleets since 1955.
AAR CORP
AAR CORP was founded in 1955 and is led by Chairman, President and CEO John M. Holmes. The company does not operate as a traditional family office or investment manager; it is a publicly traded aerospace and defense aftermarket specialist (NYSE: AIR). Its business model generates returns through the acquisition, leasing, and sale of aircraft platforms, components, and related sustainment services — effectively operating as an industrial asset allocator in the global aviation supply chain. AAR deploys capital across mobility and industrial technology. Its strategy spans the acquisition and teardown of end-of-life aircraft for spare parts, the management of rotable component pools, and the provision of expeditionary base support services for government clients. The company operates repair stations and distribution centers worldwide. Active platforms include commercial and military fixed-wing and helicopter fleets. Geographic coverage includes the United States, Europe, and the Asia-Pacific region, serving clients such as the U.S. Department of Defense and United Airlines. AAR employs thousands globally and operates facilities across multiple continents, including major distribution centers in Illinois and the United Kingdom. In May 2024, AAR announced the acquisition of Triumph Group's Product Support business for $725 million in cash, expanding its maintenance, repair, and overhaul (MRO) capacity. The firm also maintains a joint venture with Indamer Aviation in India, strengthening its footprint in a high-growth aviation market. It does not function as a fund structure but uses its corporate balance sheet to buy, sell, and lease aviation assets. The structural differentiator for AAR is its hybrid posture as a public NYSE-listed corporation that functions like a private asset manager for aviation. It directly controls physical aviation assets, deriving returns from lease revenue, component sales, and long-term government sustainment contracts. Unlike pure financial sponsors, its value creation depends on physical logistics infrastructure and FAA-certified repair capabilities.
General information
Firm type
Asset Manager
Year founded
1955
AUM
Undisclosed
Location
Region
North America
Country
United States
City
Wood Dale
Corporate office
Wood Dale, IL, United States
Principals
John M. Holmes
Chairman, President & CEO
Sector focus
Frequently asked questions
What does AAR CORP actually do?
AAR supplies spare parts, airframe maintenance, and expeditionary logistics to commercial airlines and governments. It acquires end-of-life aircraft and engines, dismantles them, and sells the certified parts. The company also performs heavy maintenance checks and operates temporary flight-line support for military operators under contingency contracts.
Is AAR CORP a family office or an operating company?
AAR is a publicly traded operating company listed on the New York Stock Exchange under the ticker AIR. It is not a family office, fund manager, or wealth-allocating entity. Its capital allocation decisions are made by a corporate management team for the purpose of generating industrial returns from aviation assets.
Who runs AAR CORP?
Chairman, President, and CEO John M. Holmes leads the company. Holmes joined AAR in 2003 and held multiple leadership roles in its aviation services segment before becoming CEO in 2018 and Chairman in 2023 (per the firm's official communications). The company is governed by a board of directors typical of a NYSE-listed firm.
How does AAR CORP source its aircraft and parts inventory?
AAR sources inventory by purchasing whole end-of-life aircraft and engines for teardown, acquiring aftermarket parts from OEMs and MROs, and trading components on the secondary market. It also sells parts from its own consignment inventory. Government contracts for expeditionary support and supply-chain management open additional sourcing channels.
What is the scale of AAR CORP's operations?
As a publicly traded NYSE company, AAR reports its financials quarterly. It generates billions in annual revenue and employs thousands worldwide. The firm operates multiple MRO facilities, distribution centers, and a joint venture in India with Indamer Aviation to serve the Asia-Pacific market.
Does AAR CORP manage third-party capital?
AAR does not operate as an asset manager for external limited partners. It uses its own corporate balance sheet to acquire and lease aviation assets. Its returns accrue to common shareholders through a publicly traded equity structure, not through closed-end fund distributions.
Which government customers rely on AAR CORP?
The U.S. Department of Defense is a long-term client for expeditionary airlift support and parts provisioning. AAR also holds NATO and foreign military sales contracts. These relationships involve sustaining legacy aircraft fleets in deployed environments, a capability built over decades of government contracting.
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