The Black Hawk crew may not have heard the message “pass behind” a passenger aircraft related to DC: NTSB
Officials have confirmed the crew of the Black Hawk Army helicopter who collided with a American Airlines passenger aircraft nearby Ronald Reagan Washington International Airport He may not have known that he was flying too high and may not have heard critical messages from air traffic control before the fatal collision.
29. January crashes over River PotomacWhat happened during the army of “flight check,” killed 67 people. There were no survivors.
National Traffic Safety Committee (NTSB) President Jennifer Homendy said during a press conference on Friday that critical messages from air traffic control were transferred to Black Hawk just a second before the collision, maybe she was missed.
Official workers recover debris from the Potomac River after a collision between the US Eagle Flight 5342 and the Black Hawk helicopter. (Reuters/Carlos Barria)
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Less than 20 seconds before the collision, the radio transmission from the tower was sound on both discus votes (CVR), directing Black Hawk to “pass behind” CRJ passenger aircraft.
“CVR data from Black Hawka showed that part of the transmission that stated,” Pass behind … “, may not have been received by the Black Hawk team,” Homendy said.
The transfer entered the keyboard of 8 seconds. air traffic control (ATC), according to NTSB.
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The instructor pilot then told a pilot flying that ATC seemed to ask for a helicopter to go to the left towards the east bank of the Potomac River.
Although the NTSB confirmed that Black Hawk had flew too high at a radio altitude of 278 feet, the Agency also noticed that barometric heights in the pilot cab might have shown a different figure.
“We see conflicting information in the data, which is why we do not publish a height for the whole route Black Hawka,” Homendy said. “We look at the possibility [that there] There may be bad data. Did they see anything different in a pilot cabin that was different from [flight data recorder] (FDR) Data, which was a height? “
Crews are retrieved by the wreckage of the American Airlines Flight 5342 in Rijeka Potomac on January 30th. (Leigh Green for Fox News Digital)
Two previous editions had the opportunity to eliminate them automatically dependent control of Black Hawk (ADS-B), which can prevent conflicts in traffic by assessing spaces and separation.
But NTSB said it “did not transmit” during the flight, which encouraged an examination of equipment, programming and whether there is a malfunction of equipment.
Another option, Homendy said, is that the ADS-B has been off.
The Agency will continue to investigate, while evaluating the concern for visibility.
Chairman of the National Transport Safety Committee Jennifer Homendy said there are a number of questions that led to the collision on January 29. (Swimming pool)
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Homendy said The crew of the Black Hawk Army Probably the whole flight worn at night vision glasses, which could have influenced what they could see in the dark near the bright airport.
“It will be a factor in our visibility study,” she said. “We will have to see what is possible to see at the time, which will lead to a collision and sequence of accidents.”
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The cameraman’s data show that there was no sound of the Black Hawk crew reaction before the collision, indicating that they were not aware of the upcoming collision.
