The Canadian Air Transport Security Authority (CATSA) (or ACSTA)'s a Canadian Crown corporation responsible for the security screening at the 89 designated airports in Canada. CATSA reports to the Government of Canada through the Minister of Transport, who's responsible to the Parliament of Canada. CATSA was officially formed April 1, 2002, following the September 11, 2001, terrorist attacks in the United States. After September 11, 2001, the Government of Canada took responsibility for airport… (More on Catsa)