How a Dublin-based leasing giant became the world's largest owner of commercial aircraft

Science · Published 20 October 2026 · Updated 22 October 2026 Swipe more like this →

In short: AerCap controls a massive fleet of thousands of aircraft, engines, and helicopters, serving hundreds of airlines globally. From its origins in 1970s Ireland to its recent multi-billion dollar acquisitions of industry rivals, the company has reshaped aviation finance by managing the assets that keep the world's skies moving.

AerCap Holdings N.V. stands as the world's largest aviation leasing company, a position solidified by its strategic acquisition of International Lease Finance Corporation in 2014 and GE Capital Aviation Services in 2021. Headquartered in Dublin, the firm manages a vast portfolio that includes narrow-body and wide-body jets, cargo aircraft, and helicopters. By the end of 2022, its total assets—comprising owned, managed, and ordered equipment—numbered 3,532 units. The company operates primarily through operating leases, where it retains the residual value of the equipment while lessees handle maintenance and daily operations.

The company's history is a complex narrative of corporate evolution, tracing back to Guinness Peat Aviation, founded by Tony Ryan in 1975. Following various restructurings and ownership changes involving entities like Cerberus Capital Management, the firm went public in 2006. Its growth trajectory has been marked by massive capital deployments, including a $30 billion investment to acquire its two primary competitors. Today, AerCap is fully owned by public shareholders, having transitioned away from its previous backing by General Electric, which exited its final stake in November 2023.

Despite its scale, the company faces significant geopolitical risks. The 2022 Russian invasion of Ukraine resulted in the seizure of 113 of its aircraft, leading to a $2 billion net loss reported in May 2022. AerCap initially recorded a net charge of $2.66 billion related to these assets. However, the company has actively pursued recovery, securing hundreds of millions in settlements from Russian carriers like Aeroflot, S7, and Ural Airlines. In June 2025, London's High Court further bolstered the company's position by ruling that AerCap could recover over $1 billion from insurers for the jets stranded in Russia.

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