AeroCentury Corp. acquires used regional aircraft and aircraft engines for lease to regional carriers all over the world. The Company's segment is leasing of regional aircraft to foreign and domestic regional airlines. The business of the Company is managed by JetFleet Management Corp. (JMC), an integrated aircraft management, marketing and financing business. JMC is a subsidiary of JetFleet Holding Corp (JHC). The Company has been engaged in the business of investing in used regional aircraft equipment leased to foreign and domestic regional air carriers. The Company owns regional aircraft and engines, which are leased to customers under triple net leases with terms that are less than the useful life of the assets. The Company's aircraft and aircraft engines that were on lease or held for lease includes turboprop aircraft, regional jet aircraft and engines.