Royal Bank of Scotland
China Development Bank, Wells Fargo
Final offers are being reviewed by the bank, and there are four bidders left in the mix, said one source involved in the process.
The business could fetch up to $8 billion (5.1 billion pounds) in a sale, since the company has profitably sold 170 commercial aircraft valued at over $6 billion over the past seven years, and its operating lease aircraft portfolio is currently valued at over $8 billion.
RBS is under pressure to sell businesses after being ordered by regulators to divest assets and trim its balance sheet as payback for being bailed out by the British government during the 2008 credit crisis.
As a result of the bailout, Britain now owns around 83 percent of RBS.
(Reporting by Sudip Kar-Gupta; Editing by Helen Massy-Beresford)