AerCap Holdings N.V., an independent aircraft leasing company, engages in the leasing, financing, sale, and management of commercial aircraft and engines in China and the United States. The company provides aircraft asset management services, including remarketing aircraft; collecting rental and maintenance payments, monitoring aircraft maintenance, monitoring and enforcing contract compliance, and accepting delivery and redelivery of aircraft; and conducting ongoing lessee financial performance reviews. Its aircraft asset management services also comprise periodically inspecting the leased aircraft; coordinating technical modifications to aircraft to meet new lessee requirements; conducting restructurings negotiations in connection with lease defaults; repossessing aircraft; arranging and monitoring insurance coverage; registering and de-registering aircraft; arranging for aircraft and aircraft engine valuations; and providing market research services. In addition, the company offers cash management services, including treasury services, such as the financing, refinancing, hedging, and ongoing cash management of vehicles; and administrative services comprising accounting and secretarial services consisting of the preparation of budgets and financial statements, and liaising with, in the case of securitization vehicles. Further, it provides engine leasing; certified aircraft engines, airframes, and engine parts; and supply chain solutions. Additionally, the company sells airframe parts, including aircraft sub-component groups, such as avionics, hydraulic and pneumatic systems, auxiliary power units, landing gears, interiors, flight control surfaces, windows, and panels to airlines, maintenance, repair, and overhaul service providers, as well as aircraft parts distributors. As of September 30, 2015, it owned a fleet of 1,124 aircraft. AerCap Holdings N.V. was founded in 1995 and is headquartered in Amsterdam, the Netherlands.