NTSB: Icy conditions during deadly South Dakota plane crash

The pilot and a passenger of a small plane that crashed after taking off from a small South Dakota airport on Thanksgiving weekend, killing nine of 12 members of an Idaho family who were on board, spent three hours clearing snow and ice from the aircraft before departure, the National Transportation Safety Board said in a preliminary report released Tuesday.The single-engine plane made it less than a mile from the airport in Chamberlain, South Dakota, and only 460 feet into the air before it cra