Pilot Responsibilities News Today

Now, what we know about the planes path to the unknown. >> reporter: it has been one of the lingering mysteries of flight 370. what happened in the first few hours after it went off course. now were learning that the plane disappeared from radar for 120 nautical miles after it made that turn and crossed over the peninsula. a senior malaysian government official and a source involved in the investigation tells cnn the plane must have dipped in altitude to between 4 and 5,000 feet. a possible sign...