CCTV, Beijing, February 22, according to the China Voice of China Central Radio and Television “News”, on the 20th local time, a United Airlines Boeing 777-200 passenger plane took off from Denver International Airport in Colorado. An engine explosion accident occurred. According to the FAA, the airliner was carrying 231 passengers and 10 crew members and was planning to fly to Honolulu, the capital of Hawaii. The right side engine exploded and caught fire (accident) shortly after takeoff.
According to a video taken by passengers on the plane, the metal shell of the engine has been peeled off and flames can be seen. Witnesses on the ground saw that the aircraft was flying at an abnormally low altitude. Smoke was produced on the aircraft and an explosion sounded. At the same time, debris of the aircraft fell from the air like snowflakes.
Currently, US aviation safety related departments are investigating the accident. The local police reminded the public not to touch or move any debris if they are found, so that relevant departments can investigate. After the plane landed, some passengers recounted the frightening moment on board. A passenger on the plane said: “At first everything was fine, suddenly (the plane) heard a loud explosion, and then (the fuselage) began to tremble. We sat on the wing and saw smoke from the porthole. I could still see something (wreckage) flying towards me. My daughter was sitting next to the porthole. She was very scared. I told her not to look out. We clenched our hands and prayed for safety. The plane was shaking and it landed. It has been shaking in the process.”
Another passenger on the plane said: “Hearing the explosion, it was obvious that something went wrong. Because the plane was shaking, violently and continuously. At first there was no fire, but there was smoke. It’s fire. We are sitting next to the porthole facing the wing, so it’s hard not to see. People on the plane are in tense silence. People are either not aware of the seriousness of the problem or are in In a state of shock.”
The malfunctioning aircraft engine exploded and caught fire during an emergency landing, and fragments of the engine casing were scattered in the suburbs of Denver. According to photos released by the police, fragments of aircraft parts fell on the grass outside a house, including the engine fairing. The police said it was fortunate that no one was injured when the debris of the plane fell to the ground.
On the same day, after a Boeing 747-400 freighter took off from Maastricht in the Netherlands, the engine also exploded. Fragments of the aircraft fell from the air, causing minor injuries to the head of an elderly woman on the ground. A child was burned while picking up debris on the ground. Some damaged engine turbine blades also hit several cars on the ground. According to reports, the cargo plane was originally planned to fly to New York, but after the accident changed its route and landed in Belgium. The investigation of the accident is currently underway.
On the same day, two engine explosions and fire accidents occurred in the Boeing series of aircraft, which once again aroused people’s attention to aviation safety. So why does the aircraft engine catch fire? Why can the plane return safely after the engine stops during flight? In this regard, Mr. Zhang Wei, director of the Chinese Society of Aeronautics and Astronautics, explained: “The cause of an aircraft engine fire is more complicated. Under normal circumstances, it may be due to mechanical failure of the engine, such as a broken blade leading to fuel oil, oil leakage, or pipeline fall off. It can also cause fire, etc. After the engine fires, there will be a fire detection device to tell the pilot that the engine is on fire. Including this United Airlines Boeing 777 is not only on fire, there may also be a fairing on the leading edge of the engine nacelle The situation of the mouth falling off is also more serious, but the condition of the entire aircraft is still controllable. These are the links that will be avoided in the aircraft design process. Therefore, the crew members will deal with single-engine or double-engine according to the pre-training. Failure related procedures to implement an emergency landing. Especially for a large aircraft such as Boeing 777, its crew members must have a good flight experience, and must have undergone forced landing procedures on many simulators. Of course (crew members) ) Calm and calm, and with his own driving skills in accordance with procedures, it is generally possible to safely fly the plane to an airport where it is available for alternate landing.”Return to Sohu to see more
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