Clash of aircraft in the sky
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Clash of aircraft in the sky

The collision of aircraft in the sky.

The tragic story, namely: "Clash of aircraft in the sky"occurred on June 2002 of the year.

City Ufa. In this city, Christians and Islam followers have lived in the world for centuries. That year, the most talented children and teenagers of Ufa were invited to a two-week vacation in Barcelona. This trip was paid for by the UNESCO organization. The most intelligent, developed and gifted children should take part in it. For example, Kirill Dekhtyarev painted from 4 years. Over the 10 years of practice, he had two solo exhibitions.

Mother Cyril upcoming very interesting vacation. Therefore, we have agreed on the trip. Cyril graduated 9-grade and he needed to rest. And it was a good option.

Also Alina Khananova was going to the trip - 12 summer gymnast. By that time, she had already won several prestigious competitions.

Alina's mother: We were very pleased to visit. There's really flew very intelligent and gifted children. Unusual and beautiful and the mind.

Midair

45 children from Ufa, along with their teachers on the train went to Moscow. There they were waiting for the plane on which they were supposed to fly to Spain. But already in Moscow the first troubles began. The travel agency got it all messed up and sent the kids to the wrong airport. The guys were late for their flight and very upset. While the agency did its best to correct its mistake, the children organized a tour of the Russian capital. Finding another plane took 2 of the day.

1 July 2002, children from Ufa boarded a plane at a Moscow airport. On board was also the Kaloevs family. They were not part of a group from Ufa. They flew to Spain to meet with their father, a famous architect. At that time he was finishing another project near Barcelona. The aircraft was flown by 5 people. Captain Alexander Gross worked in aviation 30 for years. The co-pilot was Oleg Gregoryev. But in fact, he served as captain. He had to observe the actions of Gross and evaluate them.

Around 11 hours of the evening plane Tu-154 Flight 2937 «Bashkirian Airlines" took off from Moscow. Like most modern aircraft, Tu-154 was equipped with a warning system movement TCAS. This system operates based on transponders installed in each plane. TCAS detects wave repeaters and calculates whether the path of the aircraft crossing flights. If the system detects the slightest danger of collision, it warns the pilots and advise what action should be taken.

For hundreds of kilometers in the Italian town of Bergamo plane Boeing 757 was going to take off. He made a flight on the order of the international freight company DHL. This plane was heading to Brussels. The Russian Tu-154 should have missed the Boeing 757 in the sky over southern Germany. There was only a 2 man aboard a cargo plane: captain Paul Philipps and his first mate Brand Kompioni. Boeing 757 soared in 23: 06 and headed for its last flight.

The collision of aircraft in the air.

The collision of aircraft in the air 2A few hours before midair, at the flight control center in Zurich (Switzerland), the night shift began. Peter Nielsen has been working in this control center for 8 for years. The center was responsible for the safety of flights in the skies over southern Germany and northern Switzerland. That night the 2 operator was supposed to work. But there were few planes in their area, and Nielsen’s colleague went for a break. This was a common practice in the mission control center. From that moment on, Peter Nilsson was responsible for all air traffic, which was tracked on two screens. Two technicians came to 23: 10. They told Peter that they needed to conduct a technical inspection of the main radar. While they were checking it, the signal to the screen came slower than usual. In addition, the warning signal about the danger of a collision has been turned off. Also, the technology turned off all telephone lines. No one realized then that the first steps toward the tragedy had already been taken.

A Russian plane with schoolchildren flew over central Germany and approached Switzerland. Captain Grigoriev received the latest instructions from the German dispatchers. After that, the German center gave Tu-154 under the care of Switzerland, and personally to Peter Nielsen. At this time, the Boeing 757 also entered Swiss airspace. Captain of Boeing 757 Paul Phillips asked for permission to increase the altitude. Boeing 757 climbed to a height of 11 kilometers. At the same altitude flew a Russian plane. But there was a long distance between them. There was no danger yet.

Assistant Nilson gave him a new task. It was necessary to help sit down Airbus in one of the airports in Switzerland. Since Nielsen was following two screens at once, he wanted to transmit this task to the dispatchers from the Airbus destination. But, telephone lines were not working. Big plane requested landing, and the dispatcher had to escape from one screen, leaving the Tu-154 unattended. Simultaneously Nielsen caused some planes, and he was busy with them. Managers used to the hectic and stressful robot, however, the night did not work, some warning devices. Nielsen is the third time trying to reach the airport checkpoint, but the phones are not working.

At this time, Boeing 757-154 and Tu flew toward each other at high speed. The crew of none of the aircraft suspected that they had 2,5 minutes left before the collision. The Boeing 757 was approaching the Swiss-German border. Russian Tupolev flew to the same point at the same height. Finally, one of the German flight control centers noticed the danger. The dispatcher grabbed the phone to warn Nielsen about the situation, but he could not get through to him. International rules of aviation did not allow him to apply directly to the pilots.

Avikatstrofy. Stoknovenie in the sky.

Suddenly, on board the Tu-154, the TCAS system worked. A few minutes later the system onboard the Boeing 757 discovered a Russian aircraft. Russian pilots were puzzled. They did not know how high Boeing flew. At the same time, the pilot of the cargo plane began to decline at the TCAS team. Finally, Peter Nielsen himself noticed the danger. He ordered the Tu-154 to decline. Captain Gross turned off the autopilot and began to descend. But the TCAS system spoke to Russian pilots to gain altitude. The dispatcher repeated that the Tu-154 should immediately descend. At that time, he believed that he prevented avikatastrofu and the clash in the sky. But he did not know that the pilots Boeing 757 received instructions from the board of TCAS, and she also ordered them to fall. They tried to tell Nielsen about his decline, but he was busy with other aircraft and have not heard them. If both aircraft followed the instructions on-board security systems, nothing would have happened. But Tu-154 chose to obey the operator and the aircraft again flew at the same height. The cabins of both aircraft were heard alarms. The pilots of the Tu-154 too late realized his mistake, and the planes collided in the sky. Tail Boeing 757 like ripped Russian aircraft and cut it into two parts. The pilots lost consciousness almost immediately. The crew of the Boeing 757 2 minutes even fought for their lives. They fell in 7 kilometers from the crash site Tu-154.

Peter Nielsen did not know what had happened. But soon, neither the passenger nor the cargo aircraft made contact. In the Mission Control Center we realized that the aircraft collided. This is a nightmare for any manager.

The wreckage of two aircraft fell near the small town of Überlingen. It was the worst air crash in the history of post-war Germany.

Avikatstrofy. Stoknovenie in the sky.

Eyewitness: The sky was orange. We have seen the bright sparks that fell down. And explosions. Yet again. Amazingly, the house did not fall. But next to our school, we found the bodies of the dead children. Soon we realized that we had could not help.

Police: The problem was that the bodies and debris were scattered over a vast territory in 40 square kilometers. It was a corridor 12 kilometers in length and in width 2. We spent the largest in our history search operation.

The search operation lasted a week. 6000 people participated in it. Everything was literally littered with rubble. Many trees burned due to fire. As a result, many Ufa children were buried in Uberlingen. 28 children's bodies were found in that area.

Vitaly Kaloyev was waiting for his family in Barcelona. He was one of the first to arrive at the crash site. Although the police did not want him to take part in the search for bodies, Vitaly insisted. In the grass he found a torn pearl necklace. It belonged to his 4 year old daughter. Also, nearby, he found her body.

Police: Two days after the collapse of the relatives of the victims began to arrive. But they did not show the bodies of children, because they were badly disfigured. There was a lot of crying.

Ufa has become a city of sorrow. People of different religions were shocked by what happened. Over time, they established a separate cemetery for the victims of the tragedy. Also opened a monument in the form of a chain of paper airplanes, which are frozen in their flight. Vitaly Kaloev lost his entire family in a plane crash. In their memory, he erected a huge monument.

Work continued in the Skyguide control center in Zurich. However, everyone was shocked. Over the next three weeks, the schedule for the dispatch center was relaxed. Peter Nielsen never worked longer at operator stations.

Manager: If you have gone through this, it will never return to the old job. It's too deep shock.

As always, after the tragedy, the search began for the perpetrators. The first suspicion fell on the Russian crew.

Expert: The pilot of the Russian aircraft did not perform multiple orders. System TCAS many times asked him to change the height.

Over time, the main suspect was Peter Nilsson. It was he who controlled the movement of aircraft. Fuel to the fire poured the media. They are increasingly spun the story. Journalists took excerpts from the words of professionals and compiled the text they needed. The dispatcher was simply driven by the press. He was called a murderer.

The official investigation conducted by the German detectives for air crashes. On the fifth day, they found “black boxes” with flight recorders. Also in a special hangar they brought all the wreckage. They had to work hard.

A year later, many of the relatives of the dead arrived in Uberlingen again on the first anniversary of the tragedy. The Germans built a monument at the crash site. They were huge silver pearls on a torn necklace. The anniversary was attended by Peter Nilsson, as well as Vitaly Kaloev.

As a result of their work, investigators learned incredible facts about the TCAS system. When it was just put into operation, a gross blunder was made. No one ever said what to do if the instructions of the TCAS and the operator of the center are opposite to each other. There was no specific order pilots what to do. Pilots in the west are taught first to obey TCAS. In the rest of the world, one has only to guess which order is correct.

Expert: The Russian civil aviation have been cases where pilots are not following orders manager, and this led to the tragedy.

Prerequisites for this tragedy appeared in a year and a half. A similar catastrophe almost occurred when two airliners almost collided over the air in Japan. They were so close that they could see each other’s faces through the portholes. Then a bold maneuver saved the aircraft from disaster. The reason for the danger was that the pilots listened to the operator, and not the onboard TCAS system. In Europe, there were also 4 dangerous situations. In all of them, the pilots listened to the controller, not the TCAS system. Unfortunately, these cases did not serve as a warning. They played bureaucratic standards, and the relevant services did not respond properly.

Expert: If I have to piece together the conclusions and give advice to pilots - it is obvious. If the warning comes from the system TCAS, pilots should immediately follow the instructions received.

Unfortunately, condolences were no longer able to console the parents of children Ufa. Vitaly Kaloyev mastered the idea that he must find the culprit in the disaster. To do this, he went to Zurich. February 24 2004, he came to the house of Peter Nielsen and killed him.

Judge: Murder operator flight became very sad news. The worst thing that he was not to blame for crash. The reason was as a call center systems. Guilty were the leaders "Skyguide », which do not provide the desired equipment controllers.

What made tragedy inevitable?

  1. First, Peter departed colleagues rest leaving him alone.
  2. Second, engineers, on the orders of management began renovations.

Manager did not know that many of the warning system was disabled. Also played a role need to put passenger Airbus. Peter could not transfer the landing aircraft to someone else, so as telephones were not working. In fact, he was deprived of all support. Finally, when pilots Boeing 757 began to decline, they could not tell the operator about the situation because of the fact that all the frequencies have been busy.

The investigation of this disaster took 22 a month. Skyguide apologized to the families of the victims. However, many will never be able to forget the tragedy of Überlingen.

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