11.   Twelve minutes before the end of the recording, the cockpit tape captures three syllables.

12.   When investigators analyze the cockpit tapes, he said, they need to be aware of their ignorance, and cautious of making assumptions.

13.   Cockpit voice tape shows fire in cabin.

14.   However, the Safety Board previously reported that alarms were heard on the cockpit voice recorder tape, which also was reviewed.

15.   The listening session, held behind closed doors, marked the first time the government let relatives of any U.S. plane crash hear cockpit tapes.

16.   The National Transportation Safety Board, which investigates aviation accidents, had never before allowed relatives to listen to cockpit tapes.

17.   The National Transportation Safety Board, which investigates aviation accidents, has never allowed relatives to listen to the cockpit tapes, spokesman Ted Lopatkiewicz said.

18.   Thomas Burnett, whose son Tom was among those who used cell phones to call before they were killed, said he heard the cries on the cockpit tapes.

19.   Under law, the cockpit tape is not made public.