CNN CNN Newsroom March 14, 2014 14:50:00
Navigation. it is similar to the gps in your car but a lot more complicated. we are coming up on igary, a checkpoint in the sky at which this aircraft will turn and make a slight turn to the right. b todd is the last point where they were seen. it was right about the handover from malaysian air space into vietnamese air space. it is a crucial time, no the a time when a pilot or co-pilot would say, go use the bathroom. >> any time you are crossing into another country's air space, you have to check in. you have to check in and say who you are, your intentions, your altitude, your air speed so t...