Key Facts

• Nathalia Gadelha Filgueiras had more than 1,300 hours of flight experience and was certified to fly a Learjet.
• Her father, Allan Filgueiras, said he has listened to her final radio transmissions many times.
• In the recordings, she reported ice buildup, turbulence and an overspeed condition while the jet descended at 20,000 feet per minute.
• The aircraft crashed in Florida on Sunday, killing all nine people aboard.
• The captain, 55-year-old Jeff Gregory, is believed to have been at the controls in the aircraft's final minutes.
• The National Transportation Safety Board investigation is ongoing, and the cause of the crash is not yet known.
• Pieces of the jet's tail were found more than a mile from the crash site.
• Other victims included technology entrepreneur Adam Robinson, his wife, their two children and the family's nanny.