According to tracking data, an Indonesia airliner carrying 189 people crashed into the ocean at about 350 miles per hour. Everyone aboard is feared dead.
Data from the flight posted on FlightRadar24 shows Lion Air Flight JT610 going into a dive and accelerating at a rate of more than 30,000 feet per minute, or approximately 350 miles per hour (560 kilometers per hour), as it plunged towards the Pacific Ocean.