In July 2017, Air Canada Flight 759 narrowly avoided one of the worst aviation disasters in history at San Francisco International Airport. The Airbus A320, arriving late at night from Toronto, mistakenly lined up to land on a taxiway instead of the runway. That taxiway had four fully loaded aircraft waiting for takeoff, carrying hundreds of passengers. The plane descended to just about 100 feet above the ground before a last-second go-around was initiated, averting a catastrophic collision. Inv