CNN CNN Special Report December 30, 2014 02:06:00
This flight up to that point everything has been routine. >> mm-hmm, yes. >> everything was routine until now. two minutes after talking with air traffic control, 40 minutes into the flight, the planes transponder goes dark. >> the planes transponder is effectively the instrument that sends out a signal to air traffic control. it tells you what height its at, which direction and what speed its traveling. suddenly this giant 777 is blind to the world. >> and theres no easy explanation for why it ...
Source: archive.org