Transport Canada establishes and enforces requirements and standards regarding aircraft maintenance and manufacturing. With the second largest fleet of civil aircraft in the western world, Canada's maintenance organizations assist in ensuring that all aeronautical products built, operated or maintained under Canadian control conform to national and international airworthiness standards.
The passenger airline industry in the United States has gone through significant changes since deregulation in 1978. In domestic operations, airlines now have almost total freedom to determine which markets to serve and what airfares to charge.
Flight: Quirky science [Video file]. (2011). Retrieved July 16, 2019, from https://fod.infobase.com/PortalPlaylists.aspx?wID=107751&xtid=50324