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Thread: Ethiopian air lines flight goes down all killed

  1. #1
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    Ethiopian air lines flight goes down all killed

    halfbacks were invented to stop prop forwards taking over the world.

    Sometimes courage doesnt roar, sometimes it's the little voice at the end of the day, that says " I'll try again tomorrow."

    Illegitimi non carborundum

  2. #2
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    Another 737 Max8, apparently, and showed similar vertical flightpath deviations to Lion Air. Boeing may be in strife.
    John

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    1986 110 County 3.9 diesel
    1970 2a 109 2.25 petrol

  3. #3
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    halfbacks were invented to stop prop forwards taking over the world.

    Sometimes courage doesnt roar, sometimes it's the little voice at the end of the day, that says " I'll try again tomorrow."

    Illegitimi non carborundum

  4. #4
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    i think its premature to blame the plane before the investigation is done.
    Quote Originally Posted by DazzaTD5 View Post
    Its a land Rover Defender... you need a real mechanic

  5. #5
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    Quote Originally Posted by Eevo View Post
    i think its premature to blame the plane before the investigation is done.
    would you go on one ?

  6. #6
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    Quote Originally Posted by goingbush View Post
    would you go on one ?
    well i dont think i would get on ethiopian or lionair, but Boeing, sure.
    Quote Originally Posted by DazzaTD5 View Post
    Its a land Rover Defender... you need a real mechanic

  7. #7
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    As one of the articles points out - crash investigators are not big on coincidences.

    Two near new aircraft crash in a manner that is very unusual (near vertical impact) in good weather. Different carriers, different parts of the world. Both are reported to have abnormal deviations from the planned altitude profile.

    One airline (Lion) is a new budget carrier with a slightly dubious record, the other (Ethiopian) is long established and highly regarded. Both are expanding, but this is likely to be the case with any 737Max customer.

    Almost the only obvious common factor is the aircraft model.
    John

    JDNSW
    1986 110 County 3.9 diesel
    1970 2a 109 2.25 petrol

  8. #8
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    I understand that this new model has a new anti-stall over-ride procedure to earlier models that if not followed fully will not allow full manual control.
    MY12 RRV 4.4 TDV8 AB, +LLAMS, +e-diff, +ACC stop/go. Produce LLAMS for LR/RR, Jeep GC/Dodge Ram
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  9. #9
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    The Max uses much larger engines, set higher and further forward so they don't hit the ground. This changes the handling characteristics, but to avoid need to retrain pilots, they have an automatic stall prevention system that takes input from an angle of attack sensor and pushes the nose down to prevent stalling, regardless of what the pilot does. A malfunction of this system is suspected in the case of the Lion Air disaster - the angle of attack sensor had just been changed, but there seems to be some suspicion that the issue may have been the software, not the sensor.

    It was also apparent that the pilot training did not cover how to disable the system, but this information has been widely promulgated since then, and it is unlikely the crew of this flight did not know how to disable it. Of course, it is also possible that it was disabled, and the plane actually stalled.

    Two developments in the news this morning. The flight data and cockpit voice recorders have been recovered, and Boeing shares have plummeted. Most operators of the type have grounded them indefinitely, in the case of China, by government order, others by the operators.
    John

    JDNSW
    1986 110 County 3.9 diesel
    1970 2a 109 2.25 petrol

  10. #10
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    halfbacks were invented to stop prop forwards taking over the world.

    Sometimes courage doesnt roar, sometimes it's the little voice at the end of the day, that says " I'll try again tomorrow."

    Illegitimi non carborundum

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