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Thread: Another aircraft window failure

  1. #1
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    Default Another aircraft window failure

    Rough translation:

    In the Chengdu area and on the cruise level, the crew found the right windshield glass broken and then off, the emergency procedure is appilcated and finally retured Chengdu Shuangliu. All passengers and crew members are safe landing, orderly down the plane and be properly arranged. FO was injured by a waist sprain and facial scratches. A flight attendant sustained minor injuries during the descent.
    Lhasa route is High-Plateau route, the first step is to emergency down to safety altitude of 24000 feet,and utill flying out of the area, the crew was then able to further down to 10000 feet. During this time, with the condition of the right window off, in the cockpit, temperature is minus dozens of degrees, the crew wear short-sleeved shirt. A lot of displays and controls failed to work.The whole process is quite thrilling and difficult to deal with.
    The pilot in flying comes from the Air Force Second Air Academy as flight instructor. Psychological quality is very good, radio recordings sounded calm as normal. All flight crewmenbers are in hospital for further medical examination. Decompression may cause damage to the body, hope there will be no sequelae.”

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  2. #2
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    Default Re: Another aircraft window failure

    I gather that this occurred over mountains where they were only able to descend to 24,000 feet before continuing to 10,000 some time later. I know pilots systems are pressurized but are passenger O2 systems also pressurized? Unpressurized, even on pure O2, 24,000 is awfully high for any period of time.
    The best statement I've seen from this latest carnage came from a student who lived through it -

    "My generation will not allow this to continue!"

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  3. #3
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    Default Re: Another aircraft window failure

    The very rough translation sure doesn't do it justice. "The whole process is quite thrilling and difficult to deal with." Hooo, boy and howdy.
    "For a successful technology, reality must take precedence over public relations,
    for nature cannot be fooled."

    Richard Feynman

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    Default Re: Another aircraft window failure

    It’s good that this account is published: a few years ago, it would not have been.
    IMAGINES VEL NON FUERINT

  5. #5
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    Default Re: Another aircraft window failure

    Looks an awful lot like that window wasn't bolted in. Be interesting to see the logbook. These are not plug type windows, that bolt from the outside. If the picture was. Higher resolution you could see if there are bolts coming through the nutplates. Looks like to clean a separation for a window failure.
    Tom

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    Default Re: Another aircraft window failure

    Air pressure at 24 000 ft is approx 0.39 bar. The human body requires a partial pressure of oxygen (ppO2) greater than 0.16 bar to retain consciousness, so you'd be fine even if your O2 supply gave less than 50% O2. Passenger O2 supply comes from a chemical generator, I believe there is a separate generator for every seat. It's basically the same technology that is used in self rescue devices for miners.
    Bundin er bátleysur mađur

  7. #7
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    Default Re: Another aircraft window failure

    Quote Originally Posted by Tom Wilkinson View Post
    Looks an awful lot like that window wasn't bolted in. Be interesting to see the logbook. These are not plug type windows, that bolt from the outside. If the picture was. Higher resolution you could see if there are bolts coming through the nutplates. Looks like to clean a separation for a window failure.
    Poke around. There’s a video of the window arcing, taken by the pilots, prior to it failing.
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  8. #8
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    Default Re: Another aircraft window failure

    Some people just don't do windows

  9. #9
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    Default Re: Another aircraft window failure

    ^^^^ thought that was 'Widows'
    R
    Sleep with one eye open.

  10. #10
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    Default Re: Another aircraft window failure

    Quote Originally Posted by Tom Wilkinson View Post
    Looks an awful lot like that window wasn't bolted in. Be interesting to see the logbook. These are not plug type windows, that bolt from the outside. If the picture was. Higher resolution you could see if there are bolts coming through the nutplates. Looks like to clean a separation for a window failure.
    Ouch. If the window broke because of improper installation, and I was the Captain, I hope I'd have the fortitude to scream bloody murder.

    But every outfit has Politics, and History. And Location.

  11. #11
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    Default Re: Another aircraft window failure

    From the same source:

    Update: The co-pilot has flown out, the return is all manual and visual operations

    As a pilot, Liu Shunjian thought of all kinds of unexpected accidents, but did not expect to encounter the accident of British Airways flight 5390 almost identical. June 10, 1990, during the flight, the cockpit windshield suddenly broken, the captain was suck out the window, the FO flew back to safe landing, creating a miracle in the history of aviation.


    On the afternoon of May 14, hours later after the accident, one local news reporter contacted Captain Liu and got the exclusive interview as follows. (Please forgive me for my brief translation)


    Reporter: Are you now good health?


    Liu: Not feel obvious discomfort by now, my company will have me and others a comprehensive medical examination.


    Reporter: I just interviewed some people in the industry, they said the landing be very difficult?


    Liu: A total challenge, not the daily issue. The difficulty is the cockpit windshield burst, all of us met the great bodily harm. The loss of pressure, the sudden pressure changes caused a lot of damage to the eardrum. Temperatures dropped to around -40C, and extreme cold could cause frostbite in the human body. The control panel (FCU) was lifted and the noise was so loud that you can't hear anything. Most radio and equipment were in malfunctions, you can only do your job by manual and visual.


    Reporter: In such a high altitude, oxygen also very thin?


    Liu: Like the cabin, when the cockpit loses pressure, the oxygen mask will automatically fall off, hypoxia problem is not big issue. And the cockpit and cabin are sealed and insulated, so the loss of pressure and cooling in cockpit do not affect passengers.


    Reporter: I noticed that the flight departure time is at 6:25, when and where is the time of the incident?


    Liu: It should be 7 o ' clock, I didn't notice the exact time, the distance from Chengdu is about 100 km to 150 kilometers.

    Reporter: What were the signs at the time of the incident?

    Liu: There is no sign, the windshield burst suddenly, windshield bursting making a loud noise. As I looked up, the co-pilot had flown half, and half the body was hanging outside the window. Luckily, he fastened his seatbelt. The cockpit items all flew up, many of the equipment failed, the noise was so loud that the radio couldn't be heard. The whole plane vibrates so much you are unable to readout any instruments; the operation is so difficult.


    Reporter: What kind of difficult?


    Liu: Instantaneous loss of pressure and low temperature make people very uncomfortable, every action is very difficult. You know, the speed of the plane was eight hundred or nine hundred kilometers (per hour) and at that height. I'm going to give you a metaphor: if you're driving at 200 km per hour in the street of Harbin, what can you do with your hand out the window? (My words for you: winter in Harbin is the equivalent of Russia's Siberia)


    Reporter: very difficult indeed. I heard a 7700 code issued?


    Liu: I did it, equivalent to means "Now I need help", the control center and other flight crew in air can know it, know the approximate situation, what happened, I did this with the keyboard.


    Reporter: In the situation of automation completely failed, including the FCU damaged, you can not know the flight data, how to determine the direction, course, return to the airport and so on?


    Liu: Yes, completely manual operation, visually rely on my own to judge, many of the civil aviation is automatic operation, but this time the automatic equipment can’t help. I have flown this route over 100 times. I should say everything of flying here is familiar to me.


    Reporter: Did you pay attention to your physical condition while you were trying to save the plane and passengers?


    Liu: At that time, I just want to be able to operate the aircraft safely, unable to pay attention to my and other’s physical condition. In order to avoid further damage to my colleague in the cockpit and passengers, the first is to reduce the speed, and then try to make the emergency height reduction. The noise was great, automatic equipment can’t help. Completely by hand and visual, rely on perseverance to grasp the stick to complete the return and safe landing. My body should have been a very big wobble.


    Reporter: How much time did it take from the accident to the landing?


    Liu: About more than 20 minutes.


    Reporter: What's the weather like this morning? Did it affect the emergency landing?


    Liu: The weather helped a lot. There was almost no cloud this morning, and the visibility was very good, and if it was accompanied by rain or bad weather, the consequences would be unpredictable.


    Reporter: Insiders say when learning to fly there will be a simulated noise, low-temperature and other processes?


    Liu: In the primary trainer stage, there will be an extreme situation simulation training. But neither height nor speed can be as fast as this one.


    Reporter: There are rumors on the internet during the landing, you burst the tires.


    Liu: No. The aircraft is overweight and the thrust reverser is not working, it is longer than the normal taxing distance, the tire rubs longer, causes the temperature too high, and then the tire automatically deflated--this is a protection, not a flat tire.


    Reporter: Can you tell me something about your experience?


    Liu: I had been flying in military school before. I work in Sichuan Airlines since 2006.


    Reporter: Netizens say your experience is more like that of Captain Sully?


    Liu: I respect Captain Sully. But this time it was more close to the accident of the British Airways.


    Reporter: Is the BA flight 5390? Do you have special attention to movies or documentaries of aviation?


    Liu: Yes. We usually pay attention to flight accidents, from the professional point of view, consider the cause of the accident, how they operate,to make some preparations.


    Reporter: Have you ever thought that you would encounter this situation?


    Liu: I have been preparing every day, from just graduated to now have flown for decades. I do some my own preparation. Who knows what happen in the next? My job, as a pilot, is going ready to deal with any abnormals. Nobody has problems in normal situations.
    "Travel is fatal to prejudice, bigotry and narrow-mindedness, and many of our people need it sorely on these accounts. Broad, wholesome and charitable views of men and things cannot be acquired by vegetating in one little corner of the earth all one's lifetime" Mark Twain... so... Carpe the living sh!t out of the Diem

  12. #12
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    Default Re: Another aircraft window failure

    That panel is how you fly the plane. They were truly back to very basic flying. Good job.
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    Default Re: Another aircraft window failure

    and:

    The update: Attendant shouted, We Have The Confidence To Safely Landing!

    May 14 4:10 P.M., one of flight 3u8633 passengers, 25-Year-old Phuntsog just returned to the home in Lhasa. Recalling the incident,in addition to fright, he felt more warmth. Phuntsog was dozing off at the time of the incident. With such a loud "bang", he was suddenly awakened. The plane weightlessness down, oxygen masks also fell down, the flight attendants hurriedly help everyone put on oxygen masks.

    "Except the moment of weightlessness, rest of the flying is quite smooth." Phuntsog said, but the panic still spread in the cabin, some passengers began to vomit, he also felt the hands are numb. He knew very well that he was going through an accident, but there was nothing to do about it.


    "One of the 'buddies'sitting next to me looked up at me and asked me what happened." Phuntsog said, the man who has never met before help him rub his hands, comfort him not nervous.He felt his hands better, but his heart was still uneasy. The cabin was out of power and the cabin PA system couldn't work. "Suddenly, I heard a flight attendant shouting at everyone's throat: 'Please believe us, we have the confidence to be able to take you to the ground!'"


    Hearing this, Phuntsog's heart suddenly bright."That's a very important thing in that atmosphere!We understand that the crew has done everything in their power to do what it takes to wait."


    All flight attendants worked as usual such as serving waters to the passengers. In such an atmosphere,the passengers remained remarkably consistent and peace during the entire landing. Phuntsog deeply hugged the passenger of in his next seat each other at the moment of the plane successfully landing on the Shuangliu airport.


    He wrote lovingly in his circle of friends:"Thanks to the pilots and flight attendants of the 3u8633, it was your composure that created the crash-landing miracle. I give you my praise!"


    Sorry for my poor translation and unable to inset the images of accident cabin here.
    "Travel is fatal to prejudice, bigotry and narrow-mindedness, and many of our people need it sorely on these accounts. Broad, wholesome and charitable views of men and things cannot be acquired by vegetating in one little corner of the earth all one's lifetime" Mark Twain... so... Carpe the living sh!t out of the Diem

  14. #14
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    Default Re: Another aircraft window failure

    Update: Nice To Be Alive
    A passenger's note on his smart phone and send to his friends.

    In May 14, 2018, 3U8633, Chengdu Shuangliu Airport, I just experienced a life and death.

    From Chongqing to Lhasa, the route that I had taken countless times, I slept on my seat as usual. The stewardess woke me up to the breakfast time. As usual, I reckon how long it will take to get to Lhasa. The shock always happens in a sudden break. Suddenly, there was a loud noise at the top of the plane, the cabin suddenly darkened, the oxygen mask fell in front of me, and the plane began to fall as fast as it was, just for a moment. My mind was blank. After seeing around, it was confirmed that it was not my dream. Then I wore mechanically the oxygen mask according to the instructions of the stewardess. After the blanks, there was a surge of fear. I was clearly know I was going to experience an bad accident, and I had no way to do it. When I realized that I couldn't do anything about survival, depression, fear and panic began to fill me. I always thought I was not afraid of death, but when you really faced death and could do nothing, I was like a fish that had just been put into the boiling water and was attacked by little bits of death. I can see clearly that the iceberg beneath the plane and they are only about a kilometer away. Real depression just started. I feel the despair in the eyes of the passengers around, perhaps they can also feel my despair.


    Of course, I am still alive and lovely now. Just like fairy tales, pilot has become hero in the twinkling of an eye. He gradually controlled the situation, changed direction, flew to Chengdu, and then landed on the runway of Shuangliu Airport. Hanging heart also slowly landed, trance seems to have gone through a dream, to be thrilling, and finally returned to peace. I am seating in the cabin now, waiting for the trailer to pull the plane to safe area and the all the cabin is just back to life.


    It's not clear how I feel now. To escape or to die? Thank you for pilots and stewardess. Save me alive without death at such a young age. I can only say one thing: it's nice to be alive.
    "Travel is fatal to prejudice, bigotry and narrow-mindedness, and many of our people need it sorely on these accounts. Broad, wholesome and charitable views of men and things cannot be acquired by vegetating in one little corner of the earth all one's lifetime" Mark Twain... so... Carpe the living sh!t out of the Diem

  15. #15
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    Default Re: Another aircraft window failure

    That panel is how you fly the plane. They were truly back to very basic flying. Good job.
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  16. #16
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    Default Re: Another aircraft window failure

    One could forgive him for carrying some excess speed into the landing, eh?
    "Travel is fatal to prejudice, bigotry and narrow-mindedness, and many of our people need it sorely on these accounts. Broad, wholesome and charitable views of men and things cannot be acquired by vegetating in one little corner of the earth all one's lifetime" Mark Twain... so... Carpe the living sh!t out of the Diem

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