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MyCargo 747-400F crashes into Kyrgyzstan village

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posted on Mar, 27 2017 @ 12:40 PM
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Russian investigators have recommended that Boeing change the autopilot logic to prevent another accident like this. Under the current logic, if the aircraft captures a false glideslope, it will maintain an inertial path, until or unless the crew intervenes or a valid glideslope is intercepted, until it reaches the flare point. In this instance, the aircraft reached the flare point before the crew decided to go around.

www.flightglobal.com...




posted on Jul, 21 2017 @ 10:26 AM
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According to the accident report, the aircraft gave the crew several warnings that they were too high before the crash. The glideslope deviation indicator was in the full down position. As they passed the outer marker, which was supposed to be at 2800 feet, they were still level at 3400 feet. They began to descend after passing the outer marker, but the aircraft had captured a false 9 degree glideslope reflection.

At the middle marker, 0.6 nm from the runway, they were passing through 3300 feet. The required altitude was 2290 feet, which would put them 235 feet over the airfield elevation. The aircraft wound up overflying the entire runway.

www.flightglobal.com...



 
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