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Thread: Lion Air 737 MAX Crash, Jakarta

  1. #11
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    Default Re: Lion Air 737 MAX Crash, Jakarta

    ATW Online; Thursday 29 November 2018
    Preliminary report confirms crashed Lion Air MAX was not airworthy


    Read more at: http://atwonline.com/safety/prelimin...-not-airworthy
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  2. #12
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    Default Re: Lion Air 737 MAX Crash, Jakarta

    ATW Online; Saturday 29 December 2018
    Lion Air co-pilot’s family sues Boeing over MAX crash

    Lawyers for the family of the co-pilot killed in the crash of the Lion Air Boeing 737 MAX 8 have filed a lawsuit against Boeing alleging the aircraft was “unreasonably dangerous” and that the manufacturer failed to provide proper instruction on how to handle the new narrowbody’s anti-stall system.

    Indonesian LCC Lion Air issued a press statement Dec. 28 disclosing the lawsuit on behalf of the family of co-pilot Harvino, who is described as an experienced pilot with over 5,000 flight hours.

    Lion Air flight JT610 crashed into the Java Sea Oct. 29 shortly after takeoff from Jakarta. All 189 people onboard were killed.

    US law firm Gardiner Koch Weisberg & Wrona (GKWW) has filed the lawsuit against Boeing in district of Chicago, home of Boeing corporate headquarters. The civil lawsuit is seeking a jury trial.

    “The plane was unreasonably dangerous because its sensors provided inconsistent information to both the pilots and the aircraft,” GKWW attorney Thomas Gardiner said in the Lion Air statement. “The anti-stall system should not have automatically engaged and forced the aircraft’s nose down.”

    The complaint also alleges that Boeing failed to provide adequate instruction manuals for the MAX.

    “Boeing failed to provide proper instructions, policies and procedures to enable the pilots to override the anti-stall system,” GKWW attorney John Wrona said. “Despite their heroic efforts, the aircraft’s malfunctioning flight control systems prevented the pilots from regaining control of the aircraft.”

    Boeing has not commented on the lawsuit.

    By: Karen Walker
    NS Comment: This gonna hurt.
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  3. #13
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    Default Re: Lion Air 737 MAX Crash, Jakarta

    ATW Online; Monday 14 January 2019
    Indonesian Navy divers recover CVR from crashed Lion Air 737 MAX

    Indonesian Navy divers have recovered the cockpit voice recorder (CVR) from Lion Air flight 610, a Boeing 737 MAX that crashed into the sea Oct. 29, 2018.

    Photos show the heavily scratched CVR after its recovery, although it is not yet known if the device is damaged. Local media reports indicate the CVR was found buried in mud at a seabed depth of 30 m (98 ft.), about 50 m from where the flight data recorder (FDR) was found.

    The Boeing 737 MAX aircraft crashed soon after takeoff from Jakarta, killing all 189 passengers and crew. The FDR was located and recovered within days of the crash, but mud, strong currents and other factors impeded the search for the CVR. Tracking signals had been detected from the CVR in November. The 90-day battery life of the device’s tracking beacon was due to expire around the end of January.

    Lion Air called off its search for the CVR on Dec. 29, 2018. However, the effort was relaunched with assistance of the Indonesian Navy.

    The CVR could shed more light on what happened during the final flight of the Lion Air aircraft. Other evidence, including data retrieved from the FDR, indicates the pilots were struggling to control the aircraft prior to the crash. According to a preliminary report, the aircraft’s automatic trim system kept pitching the aircraft down because of faulty inputs from angle of attack sensors.

    By: Adrian Schofield and Chen Chuanren
    NS Comment: Would be great to hear the pilots' voices as they struggled with the controls of that ill-fated flight.
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  4. #14
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    Default Re: Lion Air 737 MAX Crash, Jakarta

    ATW Online; Wednesday 20 January 2019
    Lion Air CVR report of MAX crash details crew response

    The cockpit voice recorder (CVR) from the Lion Air JT610 crash - a Boeing 737 MAX 8 - reportedly reveals more detail about how the crew attempted to solve the aircraft’s repeated descents.

    According to unnamed sources cited by Reuters, the CVR indicates pilots were searching through checklists to identify the problem. The CVR transcripts have not been released by Indonesian authorities, who have said they will be included in the final report on the Oct. 29, 2018 crash, when all 189 passengers and crew were killed as the aircraft plunged into the sea shortly after takeoff from Jakarta. The final report is expected around August.

    A preliminary report released in November included information from the flight data recorder, but not the CVR, which was retrieved in January but had been damaged. The November report indicated that faulty information from certain sensors, including an angle-of-attack (AOA) indicator, caused the maneuver characteristics augmentation system (MCAS) to trim the nose down.

    Flight data recorder data suggest the crew responded with electric trim inputs via their control columns. These push the nose up and interrupt MCAS for 5 sec., but MCAS will continue to trim nose-down until it senses the aircraft is not stalling. Data from the OA indicator telling MCAS the 737 MAX 8’s nose was 20 deg. higher than it was is believed to have fooled the system into continuous activation.

    The 737 has cutout switches on the center console that disable automatic trim and MCAS. Flipping the switches is on the 737 NG and MAX “runaway stabilizer trim” quick-reference checklist.

    The Reuters report said that initially the first officer, then the pilot, read through checklists to find out why the control problems were occurring. They discussed airspeed and altitude, but not the trim moving the nose down, according to the sources cited. Reuters said the CVR indicates the crew remained calm as they tried to troubleshoot.

    By: Adrian Schofield and Sean Broderick
    NS Comment: The US DoT investigation will be touching upon the amout of information and training provided to the flight crew and operators of the 737 MAX series regarding the new MCAS.
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  5. #15
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    Default Re: Lion Air 737 MAX Crash, Jakarta

    Hope this is not just a case of not using switches to stop runaway stabilizer, which anyone would hope to be routine normal reaction to a stab problem. Boeing way back had problems with runaway stabs with more mechanical operated aircraft. Remember the B707 mechanical brake on the stab trim wheels
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