Estimation Pinpoint News Today

Area about 700 miles from where the plane lost contact with air traffic controllers early sunday morning. that plane disappeared shortly after the pilot asked to change the route. listen. >> well, it sometimes is, but its the radar blip the transponder onboard the aircraft thats giving information back to the air traffic controllers. itll tell the direction and the altitude of the aircraft. in this case he was asking for a higher altitude. why, we dont know. thats a big question. trace: i want t...