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Thread: Russian jet 'crashes' after Moscow take-off

  1. #16
    Super Grandmaster The_Assimilator's Avatar
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    Iced-up pitot tubes... the same thing that caused Air France 447 to crash. I would've thought that the Russians would be used to checking for that sort of thing...
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    Quote Originally Posted by The_Assimilator View Post
    Iced-up pitot tubes... the same thing that caused Air France 447 to crash. I would've thought that the Russians would be used to checking for that sort of thing...
    This ^

    It wasnt even extremely cold either, -5 degrees Celsius with some light snow. Not exactly a cold spell.
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    Quote Originally Posted by The_Assimilator View Post
    Iced-up pitot tubes... the same thing that caused Air France 447 to crash. I would've thought that the Russians would be used to checking for that sort of thing...
    Cant see an iced up pitot tube causing a jet to crash.
    Nothing is foolproof to a sufficiently talented fool

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    Super Grandmaster ForceFate's Avatar
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    Quote Originally Posted by Drifter View Post
    Cant see an iced up pitot tube causing a jet to crash.
    It can. That's if pilots make erroneous decisions/actions as a result.
    Yeah whatever mate

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    Quote Originally Posted by Drifter View Post
    Cant see an iced up pitot tube causing a jet to crash.
    Not directly, but can indirectly be the cause.

    See Air France 447. Due to iced-up pitot tubes, temporary inconsistencies in airspeed measurements led to the autopilot disconnecting, whereafter the pilots reacted incorrectly and caused the aircraft to enter an aerodynamic stall, and due to a subsequent breakdown in crew resource management, the stall was not detected until it was too late to recover from.
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    Quote Originally Posted by Drifter View Post
    Cant see an iced up pitot tube causing a jet to crash.
    Perhaps not a direct result of it, but it has played a role before.

    https://en.wikipedia.org/wiki/Air_France_Flight_447

    Final report[edit]
    On 5 July 2012, the BEA released its final report on the accident. This confirmed the findings of the preliminary reports and provided additional details and recommendations to improve safety. According to the final report,[228] the accident resulted from the following succession of major events:

    temporary inconsistency between the measured speeds, likely as a result of the obstruction of the pitot tubes by ice
    https://en.wikipedia.org/wiki/Birgenair_Flight_301

    Investigations later showed that the plane was actually travelling at 220 knots (410 km/h) at the time.[citation needed] The investigation concluded that one of three pitot tubes, used to measure airspeed, was blocked.
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    Quote Originally Posted by Drifter View Post
    Cant see an iced up pitot tube causing a jet to crash.
    That's exactly the kind of complacency that causes crashes! "Don't worry captain, the autopilot will take care of everything..." Not just the pitot tube, but also the static port used by the pressure altimeter.

    See: https://en.wikipedia.org/wiki/Pitot-...ated_disasters

    https://en.wikipedia.org/wiki/Aeroperu_Flight_603

    Because a maintenance worker had failed to remove tape covering the static ports, the air data computers were unable to report the correct airspeed and altitude. The pilots struggled to navigate the aircraft as they were unaware of their true altitude and did not effectively use their alternative means; being midnight, they also had no external visual references. The aircraft wing hit the water and it crashed shortly afterwards.
    https://en.wikipedia.org/wiki/2008_A...e_B-2_accident

    The findings of the investigation stated that the B-2 crashed after "heavy, lashing rains" caused moisture to enter skin-flush air-data sensors. The data from the sensors are used to calculate numerous factors including airspeed and altitude. Because three pressure transducers had been improperly calibrated by the maintenance crew due to condensation inside devices, the flight-control computers calculated inaccurate aircraft angle of attack and airspeed.
    With an estimated loss of US$1.4 billion, it was the most expensive crash in USAF history.

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    Quote Originally Posted by neoprema View Post
    you mean ours? It was ZA money that paid for it...
    So what.
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    There is a case in South America where a insect nest in those tubes caused a crash.

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