AerCap Holdings N.V. is an integrated global aviation company. The Company is engaged in the business of acquiring aviation assets at attractive prices, lease the assets to suitable lessees, and manage the funding and other lease related costs efficiently. The Company also provides aircraft management services. Under an operating lease, the lessee is responsible for the maintenance and servicing of the equipment during the lease term and the lessor receives the benefit, and assumes the risk of the residual value of the equipment at the end of the lease. As of December 31, 2012, its owned and managed aircraft were leased to 100 commercial airline and cargo operator customers in 50 countries and managed from its offices in The Netherlands, Ireland, the United States, Singapore, China and the United Arab Emirates. In July 2013, the Company sold its interest in eight Boeing 737-800 aircraft.