Canadian Helicopters Limited, formerly a part of the Canadian operations of CHC Helicopter Corporation, operates 112 aircraft from 26 bases across Canada and provides a broad range of helicopter services to support the following activities: emergency medical evacuation; infrastructure maintenance; utilities; oil and gas; forestry; mining; construction; and air transportation. Canadian Helicopters Limited also operates an advanced flight school; provides third party repair and maintenance services; and provides helicopter services in the United States in support of specialty operations including forest fire suppression activities and geophysical exploration programs.