yet allow for either die fining the origin of the inflight break-up. three, the flight recorders were recovered on the first day of the accident and they were successfully downloaded. that preliminary review of the fdr, flight data recorder, indicates the following. takeoff time, utc time is three hours, 50 minute also and 6 seconds. with recording stopped at utc time four hours, 13 minutes and 20 seconds. so duration from takeover to the end of recordings is 23 minutes and 14 seconds. last recorded altitudes is 30,000 feet and 888 feet.