21.   The newspaper said it based its information on a preliminary summary of the cockpit voice recording.

22.   There was no indication on the cockpit recordings that the crew went through a routine checklist in preparation for the descent into Cali.

23.   Flight data and cockpit recordings recovered from the crash site were expected to shed some light on the cause of the crash.

24.   Francis said British sound spectrum experts would help US investigators to determine the source of the loud noise on the cockpit voice recording.

25.   The sound, which abruptly ends the cockpit recording, was compared to recordings from past airplane bombings, fuel tank explosions and structural disasters.