Discovery Channel documentary entitled 9/11: CLEARED FOR CHAOS. References Sources Books "Mac Moss. Flown into the Arms of Angels: Newfoundland and Labrador's Unsung Heroes of 9/11 Television Newspapers External links CNN Interview with Prime Minister Jean Chrétien the day after the attacks (Archived version at the Wayback Machine) 11-09-2001 Four Days in September 2001: Air traffic halted after four planes hijacked in U.S. Norad and September 11 2001 in Canada 2001 in transport Aftermath of the September 11 attacks Air traffic control in Canada Aviation in Canada Canada–United States relations