and continuous safety oversight of most forms of commercial operations. These responsibilities are carried out by 6 regions, Atlantic, Quebec, Ontario, Prairie & Northern, Pacific and the sixth region based in Ottawa (National Capital Region) is responsible for air operators operating international flights and certain types of large aeroplanes. The Canadian Aviation Regulations (CARs) are also under Transport Canada control. The Canadian Air Transport Security Authority is a Crown corporation that reports to parliament through the Minister of Transport. It is responsible for the protection of specific elements of the air transportation system – from passenger and baggage screening to screening airport workers. In spring 2017 CATSA and the Canada Border Services Agency began their roll-out "as part of a broader effort to modernize and streamline clearance procedures at Canadian airports" of the self-service border clearance kiosks programme, under which Canadian travellers are subject to facial recognition technology upon re-entry to the country. It was expected that as a cost-cutting measure the programme was to reduce the number of civilian interactions with civil servants. Civil Aviation Authority Transport Canada's Civil Aviation (TCCA) Directorate is Canada's civil aviation authority. It has existed since 1936, when civil aviation was transferred from the Civil Aviation Branch of the Department of National Defence. Based in Ottawa, the Directorate has regional offices across Canada in geographical regions: Pacific – British Columbia Prairie and Northern – Alberta, Saskatchewan, Manitoba, Northwest Territories, Yukon Ontario Quebec Atlantic Region – Nova Scotia, PEI, Newfoundland and Labrador, New Brunswick Air accident investigation Prior to 1990, Transport Canada was responsible for aircraft incident investigation through: Aircraft Accident Investigation Branch (1960–1984) Canadian Aviation Safety Board (1984–1990) After 1990, the role was transferred over to Transportation Safety Board of Canada. Aircraft fleet As of February 2023, Transport Canada lists the following aircraft in its database and operate as ICAO airline designator TGO, and telephony TRANSPORT. 10 - Beechcraft C90A 1 - Bell206B (helicopter) 3 - Bell 407 (helicopter) 7 - Bell 412EP (helicopter) 16 - Bell 429 (helicopter) 6 - Cessna 550 Citation II 1 - de Havilland Canada Dash 7-150IR (in 1990 a single aircraft (C-GCFR) replaced two specially modified ice patrol Lockheed L-188 Electra's registered as CF-NAY and C-GNDZ (both ex-Northwest Orient Airlines) that were operated under contract (for Ice Reconnaissance) for the Canadian government by Nordair in the late 1970s and later by Canadian Airlines. A second Electra CF-NAZ was