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has sharpened a debate on whether over reliance on autopilot systems in modern aircraft has led to degraded human flying skills and increased the risk of accidents.
WASHINGTON In the crucial minutes before an Asiana Airlines flight crashed in San Francisco last summer, the pilots voiced concern about the plane's low speed but did nothing to correct it until just before it hit the ground.
A hearing on Wednesday Adidas High Tops Silver into the July 6 crash that killed three people and injured more than 180, highlighted the pilots' mistaken reliance on the autopilot to maintain their airspeed but also Korean cultural factors that may have played a role and the design of the flight controls.
Asiana Airlines Inc. Flight 214 came in too slowly and too low, causing the plane's tail to hit a seawall short of the runway. The plane spun 330 degrees as it broke apart and caught fire, strewing wreckage along the runway.
"Sink rate, sir," Bong said, about a minute before impact. "Sink rate, sir," he repeated.
As the plane neared the runway, a number of warnings in the cockpit indicated that the speed was dropping dangerously, according to the NTSB documents.
Hersman said the agency has no immediate plans to make recommendations from the hearing, but if it finds a safety issue, it can make recommendations at any time. One of the victims died from being struck by a rescue truck after the crash.
There is "an issue in aviation" with cockpit automation, NTSB Chairman Deborah Hersman told reporters covering the board's hearing but she added that the airline industry has a robust safety record.
The crash Adidas Harden Vol 1 Release Date
On July 6, he was instructed to do a manual landing because a "glide slope" system at the airport was out of service.
on a Boeing 747, according to the NTSB.
airplane accident in the United States since February of 2009 and the first fatal accident for Boeing Co.'s 777 airliner since it entered service in 1995.
The design is consistent with Boeing's philosophy of leaving the pilot in charge of the controls. "We try not to put in design elements that override the pilot," Cashman said at the hearing. He had only performed a manual landing at that airport once before, Adidas Human Race Nmd Friends And Family
In interviews with the NTSB, the pilots said they thought the autothrottle would correct the speed. The training pilot, Lee Jeong min, and a third pilot, Bong Dongwon, who was in a jump seat in the cockpit, spoke about the plane's speed and "sink rate," or descent, about a minute before the plane hit the ground, according to a transcript of the cockpit voice recorder released on Wednesday.
The Asiana pilots said in interviews with the NTSB that they left their "flight director" system, which includes the autopilot, partly on.
But in that mode, the system would not "wake up" from hold mode, testified Captain John Cashman, a retired Boeing 777 test pilot, at the hearing on Wednesday. The lack of wake up meant the autothrottle was not going to prevent the plane's speed from slipping below the minimum needed to keep it aloft.
Asiana crash pilots hesitated
The pilot flying the plane was "stressed" about hand flying the plane, according to interviews with National Transportation Safety Board investigators, and hesitant about aborting the landing because he felt the more senior pilot observing him should make that call.
Training has been central to the investigation because although the pilots had many hours of flying experience, Lee Kang kook, the pilot flying the plane, was making his first landing of a Boeing 777 jet in San Francisco. His supervisor, Lee Jeong min, was making his first flight as a trainer.
"Minimums, minimums," said an electronic voice about 20 seconds later. "Speed," the instructor pilot said about six seconds before impact.
There was no indication of mechanical problems with the plane.
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