1.   An electrical or computer problem would cause those screens to go blank, or could even result in erroneous flight data to be displayed, Gellert said.

2.   Earlier Friday morning, the FBI located the charred flight data and voice recorders from the American Airlines plane and turned them over to the National Transportation Safety Board.

3.   FANS uses satellite signals to guide planes more precisely and lets pilots and controllers shuttle flight data back and forth on digital links.

4.   Government experts have extracted all the information from the flight data and cockpit voice recorders, the BEA said Thursday.

5.   It can explore the ocean bottom and send up video images as well as grab the flight data and voice recorders.

6.   It said it was examining the flight data and voice recorder from the TWA jet, as well as the recorded tapes from the air traffic control tower.

7.   Known as quick-access recorders, they use tape or optical discs to store flight data for the airline to use during routine checks.

8.   Many airlines in Europe and Asia have long analyzed computerized flight data to look for signs of problems or mistakes.

9.   Muted colors are used so flight data are not drowned out.

10.   Plus, it installed a heads-up display that projects flight data on the windshield of a commercial jet for the first time.