Buffalo crash: investigators study pilot performance

The tragedy of Flight 3407 is the deadliest transportation accident in the United States in more than 7 years, acting NTSB chairman Mark Rosenker said in a statement. The circumstances of the crash have raised several issues that go well beyond the widely discussed matter of airframe icing,and we will explore these issues in our investigative fact-finding hearing.

In an update on the investigation,the board said investigators from its operations and human performance group continue to review documentation associated with the flight crews flight training history and professional development while at Colgan as well as their experience prior to joining the company.