Ed Bastian, the CEO of Delta Air Lines, spoke exclusively to "CBS Mornings" about the frightening Toronto plane crash ...
Last year was one of the deadliest years for plane crashes.(Andre Penner / AP ... air accident investigation units in the United Arab Emirates and Hong Kong told Bloomberg News in December.
The crash of a Delta Airlines plane in Toronto is the fourth major aviation disaster in North America in the last month.
Authorities will access the data on the devices to gather information on what was said in the cockpit before the crash along with any flight information they'll need for the investigation.