AIB RELEASES PRELIMINARY REPORT ON ASSOCIATED AIRLINE CRASH

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PRELIMINARY REPORT ON ACCIDENT INVOLVING ASSOCIATED AIRLINE EMBRAER 120AIRCRAFT REGISTERED 5N-BJY WHICH OCCURRED AT MMA ON THURSDAY 3RD OCTOBER,2013.

The following information has been determined from preliminary readout and analysis of flight 361’s flight recorders.  Flight 361 was equipped with both a COCKPIT VOICE RECORDER and a FLIGHT DATA RECORDER.  Both recorders were replayed at the Accident Investigation Bureau’s recently acquired flight recorder laboratory located in Abuja.  International flight recorder experts from Canada who designed the laboratory assisted the investigation team with the readout and analysis process along with representatives from the aircraft manufacturer and aircraft operator, Associated Airlines.  We are conducting the investigation in accordance with the provisions of International Civil Aviation Organization (ICAO) Annex 13, of which Nigeria is a member State.

The flight data recorder or FDR contained approximately 47 hours of data in solid state memory.  The recorder downloaded without issue. There were approximately 50 parameters recorded.  A few parameters were not working properly however we do not think, in this particular case, that it will hamper the overall investigation.
The cockpit voice recorder or CVR was an older generation magnetic tape based device.  The CVR’s magnetic tape recording was removed from the unit and replayed on an open reel 4 track tape deck specially adapted for replaying CVR’s of this type.  The CVR contained 32 and one half minutes of audio which included the internal conversation of the two pilots, radio calls and the overall aural environment in the cockpit on the cockpit area microphone.  The CVR was of good quality and the team is in the process of generating a complete transcript of all relevant information.  The AIB plans to release the transcript as part of its final report of the accident however the actual recording is, under international protocol, sensitive and therefore privileged information and will …

Source: TELL Magazine – News

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