CNN Reliable Sources July 7, 2013 15:05:00
Airports, especially busy commercial airports like this one at san francisco. there has already been a discussion about that glide slope being out of service, but there are a number of other tools available to the pilots, some less sophisticated, like the lights, the precision approach lights that they were talking about that show you if you're too high or too low coming in but also some things that are more technologically advanced, like things on this airplane that can give you gps information. >> i want to now bring in cnn's rene marsh, who has the latest with the flight recordings. rene? >...
Source: archive.org