Erickson Air-Crane Incorporated (Erickson) is engaged in the operation and manufacture of the Erickson S-64 Aircrane (Aircrane), a heavy-lift helicopter. The Company operates in two segments: Aerial Services and Manufacturing / MRO. Aerial Services offers a range of heavy-lift helicopter services through the Company's worldwide fleet, including firefighting, timber harvesting, infrastructure construction, and crewing services. Manufacturing / MRO manufactures Aircranes from existing airframes, manufactures new components on a contract basis, and provides customers with Federal Aviation Administration and European Aviation Safety Agency certified maintenance, and MRO services in the Company's AS9100 certified facility. In October 2012, the Company purchased the Sun Bird Aircraft and associated spare parts inventory and accessories from San Diego Gas & Electric Company. In May 2013, Erickson Air-Crane Inc acquired the entire share capital of Evergreen Helicopters Inc.