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This is the story of Atlas Air Flight 3591. On the 23rd of February 2019 an Atlas Air 767 was on its way from Miami international airport to the George Bush intercontinental airport in houston. Atlas air is an alias for prime air that is legally, they are known as Atlas air but their planes fly the prime air liveries. The plane took off from Miami and was cruising on its way from Miami with no issues, the First officer was the one at the controls and the captain was the one monitoring. At 12:34 pm CST the Houston terminal radar approach controller informed the crew about the light to heavy rain in the plane's flight path the controller told them to expect vectors around the weather system.
The plane descended along its intended route and at 12:36 pm the first officer exclaimed “ Okay I just had a … Your controls” Something had caught the first officers attention and so he transferred control of the plane to the captain. The captain acknowledges and says “My Control”. The first officer was having issues with the electronic flight instrument displays. The first officer preses the EFI or electronic flight instrument switch. That seemed to do the trick, the displays were back up and running.The first officer, now the pilot monitoring, asked for vectors west of the weather. As the plane descended the First officer asked the captain to turn to 270 degrees and the controls were handed back to the pilot flying. As the plane flew on the captain was busy programming the FMC or the flight management computer and the first officer was busy with configuring the plane for landing at bush intercontinental, as part of this the first officer set the flaps to 1. At 12:38 pm and with the plane at 6300 feet the planes go around mode was somehow activated. Over the next 6 seconds with the go around system activated the autopilot commanded a nose pitch up and the auto throttle commanded go around power from the engines. But as all of this happened the crew remained silent, no one made any attempt to disconnect override or counter the automation. At 12:38 pm the speed brakes that had been extended to help the plane descend was retracted and the elevators moved in response to manual input, someone was pushing the nose down. The nose down inputs grew and grew till the plane was in a steep descent. The first officer says “Woah My speed my speed we’re stalling”. The captain asks “what's going on?” A pilot in the jump seat says “pull up!”, the elevator moved in response to manual input, they were trying to pull the plane out of its dive. They commanded a nose up for 7 seconds but it was too little too late the plane was already plummeting too quickly and there was nothing that they could do, the 767 crashed into some marshy ground in trinity bay. Unfortunately all 3 souls onboard did not make it.
Now it was up to the investigators to figure out how a 767 plummeted from the sky.
They sifted through the data from the FDR, they noticed a small 1.26g change in the plane as they penetrated the leading edge of the cold front, now this signified a small bit of turbulence, a small bump that's about it. But strangely it was after this small bump that the go around mode was activated. At this time the plane was at 6300 feet descending down to 3000 feet and they were about 43 miles from their airport. It makes no sense for the pilots to activate the go around mode in this phase of flight. This means that the go around mode was activated unintentionally.
To activate the go around mode on the 767 there
11 авг 2020
