for some reason it headed south over the indian ocean. there is no explanation of why that happened. but after that turn, flight 370 disappeared. transmissions from the flight indicated the u-turn had been programmed into the on board computer. 12 minutes before the pilots called in good night to the air traffic controllers. >> that would further indicate the u-turn was planned and executed in the cockpit before the controllers lost contact. that means the u-turn was premeditated. programmed before it went down and executed only after the last radio call and after the transponders went dead. if the pilot entered that turn, why? >> why? that was the nightly news report from tom costello from last year. that was ten days after flight 370 disappeared. with so many people on board, with no satisfaction explanation for what happened or why,