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.

A commuter plane that crashed last month in Alaska was half a ton too heavy for the icy conditions it encountered, according to a preliminary report from the National Transportation Safety Board. The Bering Air flight crashed Feb.