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Introduction & Market Context
AAR Corp (NYSE:AIR), a leading provider of aviation services to commercial and government customers, presented its fiscal fourth quarter and full-year 2024 results on July 18, 2024. The company reported substantial growth across most segments, driven by strong demand in both commercial and government sectors.
The aviation aftermarket services provider continues to benefit from structural tailwinds including growth in air travel, aging aircraft fleets, and increasing adoption of used serviceable material (USM). These industry dynamics, combined with strategic acquisitions and operational improvements, have positioned AAR for continued expansion.
Executive Summary
AAR delivered impressive results for both Q4 and full-year 2024, with significant sales growth and margin expansion. The company reported Q4 sales of $657 million, representing a 19% increase year-over-year, while adjusted operating margin improved by 150 basis points to 9.3%.
For the full fiscal year 2024, AAR achieved sales of $2.3 billion, up 17% from the previous year, with adjusted operating margin expanding by 80 basis points to 8.3%. Adjusted earnings per share grew 16% to $3.33.
As shown in the following fiscal year highlights:

The company’s quarterly performance was equally strong, with double-digit growth in both commercial and government segments. Commercial sales increased 20% while government sales grew 15% in Q4. The integration of the Triumph Product Support business is proceeding well, with expected run-rate cost synergies of approximately $10 million.
The quarterly highlights demonstrate the company’s momentum across key metrics:

Detailed Financial Analysis
AAR’s performance varied across its three main business segments, with particularly strong results in Repair & Engineering.
The Parts Supply segment delivered sales of $260.3 million in Q4, a 9% increase year-over-year, with Used Serviceable Material (USM) up 1% and Distribution up 16%. Adjusted operating income grew 21% to $35.2 million, resulting in a 130 basis point improvement in operating margin to 13.5%. This growth was driven by favorable mix in Distribution and additional leverage on fixed costs.

The Repair & Engineering segment showed the most dramatic improvement, with sales increasing to $216.4 million, up $73.4 million from the previous year. Adjusted operating income nearly doubled to $24.8 million, with margin expanding 490 basis points to 11.5%. This growth was primarily driven by the Product Support acquisition and strong demand for airframe heavy maintenance services. The company reported operating near full capacity in its airframe hangars, while also achieving efficiency gains.

The Integrated Solutions segment delivered mixed results, with adjusted sales growing 10% to $163.5 million, driven by 2% growth in commercial programs and 11% growth in government programs. However, adjusted operating income declined 8% to $9.3 million, with margin contracting 120 basis points to 5.6%. This decline was attributed to lower profitability on the WASS State Department program due to changes in the mix of products and services.

Strategic Initiatives & Forward Outlook
Looking ahead, AAR has raised its organic margin targets for the next 3-5 years, demonstrating confidence in its growth strategy and operational improvements. The company now targets an adjusted operating margin of 10.5-11.5%+, up from its previous target of 9-10%+, while maintaining its sales growth target of 5-10% and adjusted EPS growth target of 10-15%.
These targets are supported by multiple growth drivers, including increasing air travel, market share expansion opportunities, the successful integration of the Product Support acquisition, growing government interest in commercial solutions, and margin enhancement initiatives.
The company’s updated organic targets are illustrated in the following slide:

AAR’s strategic focus areas include expanding market share in Distribution, driving continued efficiency gains in airframe maintenance, and significantly expanding component repair capabilities. The company is also working to unlock the value of its Trax acquisition and expand into military-specific airframes.
Conclusion
AAR Corp’s Q4 and full-year 2024 results demonstrate strong execution of the company’s growth strategy, with significant improvements in both revenue and profitability. The company’s ability to expand margins while growing sales indicates effective operational management and strategic positioning within the aviation services market.
With raised margin targets and continued investment in strategic capabilities, AAR appears well-positioned to capitalize on favorable industry trends and drive further growth in the coming years. The successful integration of acquisitions, particularly the Product Support business, provides additional avenues for expansion and synergies.
Investors will likely focus on the company’s ability to maintain its growth momentum while continuing to expand margins across all segments, particularly addressing the profitability challenges in the Integrated Solutions segment.
Full presentation:
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