malaysian authorities tell cnn they think several pings of the airliner were transmitting to satellites four to five hours after last contact with air traffic control on saturday. this all suggests that the plane could -- i want to emphasize the plane could have flown over the indian ocean. it still does not answer why it lost contact with the transponder an air after takeoff. >> reporter: inside the cockpit of a boeing 777, there are multiple ways that the pilots communicate with the ground. information beams down and until today we thought the last transmission was 1:07 a.m. local time. now there is word it may have been transmitting data hours beyond that. what information -- give me details, what kind of information is being beamed down. >> engine parameters,