Sun, Sep 26, 2010
FDR, CVR Indicated Smoke Or Fire In Lower Aft Cargo
Compartment
The UAE General Civil Aviation Authority (GCAA) revealed a new
details regarding the September 3rd accident involving a UPS Boeing
747-400 cargo jet.
File Photo
The GCAA investigation team said in a news release
Thursday that all of the flight data from the Digital Flight
Data Recorder (DFDR) and the Cockpit Voice Recorder (CRV) has been
successfully downloaded in the U.S. at NTSB labs. Analysis of the
data is still in progress by the UAE GCAA Investigation Section
with the assistance of international experts. The investigation is
continuing and the teams are focusing on understanding the issues
involved around the cargo carried and the associated risks.
Based on the information gathered to date, specific areas of the
investigation are centered around several aircraft systems and
standard operational procedures, which are being reviewed. The new
records show that after the aircraft departed and approached
cruising altitude, a Main Deck Fire Warning alarm sounded at
approximately 1912 local time. The crew initiated the check-list
and requested vectors to the nearest airport from Bahrain ATC. They
were offered Doha, but the flight crew elected to return to
Dubai.
There were sequential systems in the flight deck indicating fire
or smoke in the Main Deck and the lower aft Cargo compartment. The
records also indicate that during their descent there is an
evidence that the crew had difficulties seeing the primary flight
instrument displays due to thick smoke. There is also evidence to
indicate that there was some level of difficulty in the
communication process.
The report indicates accident aircraft overflew the Dubai runway
at approximately 4000 feet, and shortly after that executed a right
turn. Approximately five minutes later the control center alerted
Emergency Services that there had been an accident at the Nad Al
Sheba area. The GCAA revealed that the investigation involves
Agencies, Entities and Authorities in the Middle East, Europe, USA
and Asia and will continue for another several months.
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