Investigators recovered the cockpit voice recorder and flight data recorder from the Bombardier CRJ700 passenger jet, the National Transportation Safety Board said.
Authorities in the eastern Caribbean nation of St. Kitts and Nevis are investigating the circumstances that led to the discovery of at least 19 bodies found drifting at sea.
The U.S. and Canadian Coast Guards are continuing efforts to break up ice and free a freighter that has been trapped in a frozen Lake Erie for days, officials said.