AeroCentury is an aircraft operating lesser and finance company that specializes in leasing regional aircraft and engines to regional air carriers. Its assets, which consist of a variety of aircraft and engines, are on lease to regional airlines and commercial users in North America, England, Europe and South America. The company utilizes triple net leases of nearly three years in duration. AeroCentury was formed in 1997 by a consolidation of predecessor companies. It was listed on the American Stock Exchange in 1998.