Founded in 2004, Discovery Air Inc. is a specialty aviation services company operating across Canada and in select locations internationally. With over 140 aircraft, it is one of the largest air operators in Canada, employing more than 850 flight crew, maintainers and support staff to deliver a variety of air transport, maintenance and logistics solutions to its government, airline and business customers. The Corporation's subsidiaries include: Top Aces, which delivers airborne training and special mission services to the Canadian military; Discovery Air Fire Services, a supplier of airborne fire management services to the Ontario government and charter services to government agencies and corporate customers; Discovery Air Technical Services, which provides a range of maintenance, repair, overhaul, modification, engineering and certification services; Great Slave Helicopters, the second-largest VFR helicopter operator in the country; Air Tindi, the largest fixed-wing aircraft charter provider based in Northern Canada; Discovery Mining Services, which supplies all-weather exploration camps as well as expediting and logistics support services; and Discovery Air Innovations, the innovation arm of Discovery Air that identifies and captures large, new market opportunities.