Learjet 60 broke apart before crashing in Palm Beach County, NTSB says

Investigators have indications that a Learjet began breaking apart before it crashed in Palm Beach County, killing all nine people aboard, a National Transportation Safety Board official said Monday.The update comes a day after the Learjet 60 crashed near Cresthaven around 12:50 p.m. Sunday. The flight had departed Austin, Texas, and was headed to North Eleuthera in the Bahamas.“We do have some indication that the aircraft was breaking up before impact,” NTSB board member Tom Chapman said during a briefing in West Palm Beach.Chapman said investigators could find aircraft parts some distance from the main impact site. The cause of the crash remains undetermined.Family identifies co-pilotNathalia Gadelha Filgueiras, 20, was among those killed, her mother confirmed to The New York Times and New York Post, according to The Associated Press.Her mother, Camila Corteleti, said Filgueiras was the flight’s co-pilot. She earned her private pilot’s license at 17 while attending West Boca Raton Co