The right main landing gear collapsed on impact when a Delta flight landed at Toronto's Pearson International Airport last month.

The alert system on a Delta Air Lines jet that flipped upside down and burst into flames as it tried to land in Toronto last month indicated a high rate of descent less than three seconds before touchdown,

A preliminary report into the Delta Air Lines flight that flipped upside down in a crash landing at Toronto's Pearson International Airport last month shows the plane had been descending at a high rate of speed. Twenty-one people were injured in the botched landing on Feb. 17.

A preliminary report from the National Transportation Safety Board said the commuter plane that crashed in Alaska, killing 10, was overweight for the weather.

The regional airline flight in Alaska that crashed, killing all 10 people onboard, was overweight before it took off, according to a preliminary report released Wednesday by the National Transportation Safety Board.